Regeneron Pharmaceuticals vs Amgen: why the prices moved differently

Weekly · monthly · quarterly news summaries, side by side in time

Regeneron Pharmaceuticals Inc (REGN)

Q3 20264 Jul – 1 Oct 2026

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Regeneron's Q3: Pipeline Wins, Melanoma Setback, Sanofi Deal

Q2 earnings beat with 17% revenue growth Regeneron's Q2 revenue rose 17% to $4.29 billion, beating estimates, driven by strong Dupixent and high-dose Eylea sales, while Sanofi repayment improved margins.
Strong financial results directly boost investor confidence and the stock price.
Failed melanoma trial triggers lawsuits and $11B value loss A failed melanoma trial led to securities lawsuits and wiped out $11 billion in market value, highlighting pipeline execution risks and disappointing investors.
This major setback significantly impacted Regeneron's market value and reputation.
Sanofi alliance expands with $1B upfront but Dupixent profit-sharing unchanged Sanofi's expanded alliance brought $1 billion upfront and up to $7 billion in milestones, but left Dupixent profit-sharing unchanged, causing shares to drop 4%.
The deal has both positive financial aspects and negative implications for Dupixent economics.

September 202617 Sep – 1 Oct 2026

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Regeneron's pipeline wins and Sanofi deal offset by Eylea competition

Sanofi alliance expansion brings $1B upfront and pipeline growth Sanofi will pay Regeneron $1 billion upfront plus up to $7 billion in milestones for four new antibodies, expanding the partnership that made Dupixent. This boosts Regeneron's cash and pipeline, but the deal left Dupixent profit-sharing unchanged, disappointing some investors and causing a 4% share drop.
This is the period's biggest capital and pipeline event, directly affecting Regeneron's finances and investor sentiment.
Trevogrumab preserves muscle in Phase 2 obesity trial Regeneron's trevogrumab preserved about 70% of muscle loss caused by semaglutide in a Phase 2 trial. This opens a potential new obesity treatment, a large market, and shows Regeneron's research engine is producing promising results, which supports the stock.
A positive clinical readout in a major new market area is a key driver of future growth expectations.
Kodiak eye drug matches Eylea with less frequent dosing Kodiak Sciences reported Phase 3 data showing its eye drugs matched Eylea's vision results with dosing every six months versus Eylea's eight weeks. This threatens Regeneron's key Eylea franchise, which is already facing biosimilar competition, and could pressure future sales.
Eylea is a major revenue source, and new competition with better convenience could erode Regeneron's market share.
Pozelimab-cemdisiran highlighted as top emerging PNH therapy An analyst forecast named Regeneron's pozelimab plus cemdisiran as the emerging PNH therapy expected to generate the highest revenue, with Phase 3 results due late 2026 or early 2027. This supports hopes for a new blockbuster beyond current drugs.
It points to a future growth driver and validates Regeneron's pipeline in a rare disease market.

Latest17 Sep – 1 Oct 2026

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Regeneron's pipeline wins and Sanofi deal offset by Eylea competition

Sanofi alliance expansion brings $1B upfront and pipeline growth Sanofi will pay Regeneron $1 billion upfront plus up to $7 billion in milestones for four new antibodies, expanding the partnership that made Dupixent. This boosts Regeneron's cash and pipeline, but the deal left Dupixent profit-sharing unchanged, disappointing some investors and causing a 4% share drop.
This is the period's biggest capital and pipeline event, directly affecting Regeneron's finances and investor sentiment.
Trevogrumab preserves muscle in Phase 2 obesity trial Regeneron's trevogrumab preserved about 70% of muscle loss caused by semaglutide in a Phase 2 trial. This opens a potential new obesity treatment, a large market, and shows Regeneron's research engine is producing promising results, which supports the stock.
A positive clinical readout in a major new market area is a key driver of future growth expectations.
Kodiak eye drug matches Eylea with less frequent dosing Kodiak Sciences reported Phase 3 data showing its eye drugs matched Eylea's vision results with dosing every six months versus Eylea's eight weeks. This threatens Regeneron's key Eylea franchise, which is already facing biosimilar competition, and could pressure future sales.
Eylea is a major revenue source, and new competition with better convenience could erode Regeneron's market share.
Pozelimab-cemdisiran highlighted as top emerging PNH therapy An analyst forecast named Regeneron's pozelimab plus cemdisiran as the emerging PNH therapy expected to generate the highest revenue, with Phase 3 results due late 2026 or early 2027. This supports hopes for a new blockbuster beyond current drugs.
It points to a future growth driver and validates Regeneron's pipeline in a rare disease market.

August 202627 Jul – 4 Sep 2026

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Regeneron beats on Dupixent/Eylea, wins rare-disease approval, faces lawsuit

Q2 beat on Dupixent and high-dose Eylea Regeneron beat second-quarter estimates: revenue rose 17% to $4.29 billion and adjusted profit was $14.29 a share. Dupixent sales jumped 38% to about $6 billion, and U.S. high-dose Eylea sales rose 52%. Strong demand for these key drugs lifts profit and supports the stock.
This is the period's biggest positive fundamental driver of REGN's value.
Sanofi repayment improves margins Regeneron fully repaid the Sanofi Development Balance. An RBC analyst said this should improve margins and make second-half numbers look much better. Paying off this obligation frees up cash and boosts future profit, a positive for the stock.
It is a concrete capital event that improves future profitability.
FDA approves Pasatru for rare FOP disease The FDA approved Pasatru (garetosmab) for fibrodysplasia ossificans progressiva, a rare bone disease, based on a Phase 3 trial showing 90% fewer new lesions. The patient group is tiny, so near-term sales are modest, but it proves Regeneron's drug platform still produces new approved medicines.
A new FDA approval is a fresh product and pipeline milestone for REGN.
Securities class action over failed melanoma trial A securities class action alleges Regeneron misled investors about the Phase 3 Fianlimab-Libtayo melanoma trial, which failed its main goal and wiped out $11 billion in market value. The lead plaintiff deadline is September 14. Legal costs and uncertainty weigh on the stock.
This is the main negative overhang on REGN this period.

27 Jul – 4 Sep 2026

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Regeneron beats on Dupixent/Eylea, wins rare-disease approval, faces lawsuit

Q2 beat on Dupixent and high-dose Eylea Regeneron beat second-quarter estimates: revenue rose 17% to $4.29 billion and adjusted profit was $14.29 a share. Dupixent sales jumped 38% to about $6 billion, and U.S. high-dose Eylea sales rose 52%. Strong demand for these key drugs lifts profit and supports the stock.
This is the period's biggest positive fundamental driver of REGN's value.
Sanofi repayment improves margins Regeneron fully repaid the Sanofi Development Balance. An RBC analyst said this should improve margins and make second-half numbers look much better. Paying off this obligation frees up cash and boosts future profit, a positive for the stock.
It is a concrete capital event that improves future profitability.
FDA approves Pasatru for rare FOP disease The FDA approved Pasatru (garetosmab) for fibrodysplasia ossificans progressiva, a rare bone disease, based on a Phase 3 trial showing 90% fewer new lesions. The patient group is tiny, so near-term sales are modest, but it proves Regeneron's drug platform still produces new approved medicines.
A new FDA approval is a fresh product and pipeline milestone for REGN.
Securities class action over failed melanoma trial A securities class action alleges Regeneron misled investors about the Phase 3 Fianlimab-Libtayo melanoma trial, which failed its main goal and wiped out $11 billion in market value. The lead plaintiff deadline is September 14. Legal costs and uncertainty weigh on the stock.
This is the main negative overhang on REGN this period.

July 20264 Jul – 24 Jul 2026

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Regeneron's pipeline setbacks trigger lawsuits, but cemdisiran advances

Cemdisiran regulatory progress FDA granted Priority Review and EMA accepted filings for cemdisiran in generalized myasthenia gravis. If approved, it would be the first siRNA treatment and only subcutaneous option dosed four times a year, opening a new revenue stream. FDA decision expected November 2026.
This is a new positive regulatory catalyst that could drive future revenue and investor optimism.
Failed melanoma trial and securities lawsuits Regeneron faces multiple class action lawsuits alleging it misled investors about its Phase 3 Fianlimab-Libtayo melanoma trial, which failed to meet its primary endpoint. The trial failure wiped out $11 billion in market value, and the lawsuits create legal overhang and reputational risk.
This is a new negative development that directly impacts Regeneron's stock through legal uncertainty and investor confidence.
Pipeline setbacks and mixed trial results Longleaf Partners Fund reported Regeneron was a Q2 detractor after disappointing trial results for a pipeline drug. The fund noted only one of three key pipeline readouts succeeded, below expectations. This highlights execution risk in Regeneron's drug development, weighing on sentiment.
This new analyst commentary underscores pipeline challenges that could pressure the stock.

4 Jul – 24 Jul 2026

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Regeneron's pipeline setbacks trigger lawsuits, but cemdisiran advances

Cemdisiran regulatory progress FDA granted Priority Review and EMA accepted filings for cemdisiran in generalized myasthenia gravis. If approved, it would be the first siRNA treatment and only subcutaneous option dosed four times a year, opening a new revenue stream. FDA decision expected November 2026.
This is a new positive regulatory catalyst that could drive future revenue and investor optimism.
Failed melanoma trial and securities lawsuits Regeneron faces multiple class action lawsuits alleging it misled investors about its Phase 3 Fianlimab-Libtayo melanoma trial, which failed to meet its primary endpoint. The trial failure wiped out $11 billion in market value, and the lawsuits create legal overhang and reputational risk.
This is a new negative development that directly impacts Regeneron's stock through legal uncertainty and investor confidence.
Pipeline setbacks and mixed trial results Longleaf Partners Fund reported Regeneron was a Q2 detractor after disappointing trial results for a pipeline drug. The fund noted only one of three key pipeline readouts succeeded, below expectations. This highlights execution risk in Regeneron's drug development, weighing on sentiment.
This new analyst commentary underscores pipeline challenges that could pressure the stock.

Q2 202619 Jun – 25 Jun 2026

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Regeneron advances new drugs as Dupixent soars and AbbVie threat looms

CytomX collaboration expands cancer pipeline Regeneron expanded its cancer drug partnership with CytomX, paying $37 million upfront and potentially up to $4 billion in milestones. This gives Regeneron access to new technology for next-generation cancer therapies, which could boost future revenue and growth prospects.
This is a new deal that adds to Regeneron's pipeline and potential future earnings.
Dupixent sales surge 30.8% Sanofi reported that Dupixent, co-developed with Regeneron, generated €4.17 billion in first-quarter sales, up 30.8% from a year ago. This strong growth directly boosts Regeneron's revenue and profit, as Regeneron shares in the profits.
Dupixent is a major revenue driver for Regeneron, and its strong sales growth directly impacts Regeneron's financial performance.
FDA and EMA accept cemdisiran filings Regeneron's new drug cemdisiran for generalized myasthenia gravis was accepted for review by the FDA and EMA. The FDA granted Priority Review with a decision expected by November 2026. If approved, it could be a first-in-class treatment, adding a new revenue stream.
This regulatory milestone brings Regeneron closer to launching a new drug, which could drive future sales.
AbbVie acquires Apogee, increasing competition AbbVie agreed to buy Apogee Therapeutics for $10.9 billion, gaining a potential competitor to Regeneron's Dupixent. This could pressure Dupixent's market share in inflammatory diseases like atopic dermatitis and asthma, posing a long-term risk to Regeneron's revenue.
This is a new competitive threat that could impact Regeneron's key product, Dupixent.

June 202619 Jun – 25 Jun 2026

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Regeneron advances new drugs as Dupixent soars and AbbVie threat looms

CytomX collaboration expands cancer pipeline Regeneron expanded its cancer drug partnership with CytomX, paying $37 million upfront and potentially up to $4 billion in milestones. This gives Regeneron access to new technology for next-generation cancer therapies, which could boost future revenue and growth prospects.
This is a new deal that adds to Regeneron's pipeline and potential future earnings.
Dupixent sales surge 30.8% Sanofi reported that Dupixent, co-developed with Regeneron, generated €4.17 billion in first-quarter sales, up 30.8% from a year ago. This strong growth directly boosts Regeneron's revenue and profit, as Regeneron shares in the profits.
Dupixent is a major revenue driver for Regeneron, and its strong sales growth directly impacts Regeneron's financial performance.
FDA and EMA accept cemdisiran filings Regeneron's new drug cemdisiran for generalized myasthenia gravis was accepted for review by the FDA and EMA. The FDA granted Priority Review with a decision expected by November 2026. If approved, it could be a first-in-class treatment, adding a new revenue stream.
This regulatory milestone brings Regeneron closer to launching a new drug, which could drive future sales.
AbbVie acquires Apogee, increasing competition AbbVie agreed to buy Apogee Therapeutics for $10.9 billion, gaining a potential competitor to Regeneron's Dupixent. This could pressure Dupixent's market share in inflammatory diseases like atopic dermatitis and asthma, posing a long-term risk to Regeneron's revenue.
This is a new competitive threat that could impact Regeneron's key product, Dupixent.

19 Jun – 25 Jun 2026

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Regeneron advances new drugs as Dupixent soars and AbbVie threat looms

CytomX collaboration expands cancer pipeline Regeneron expanded its cancer drug partnership with CytomX, paying $37 million upfront and potentially up to $4 billion in milestones. This gives Regeneron access to new technology for next-generation cancer therapies, which could boost future revenue and growth prospects.
This is a new deal that adds to Regeneron's pipeline and potential future earnings.
Dupixent sales surge 30.8% Sanofi reported that Dupixent, co-developed with Regeneron, generated €4.17 billion in first-quarter sales, up 30.8% from a year ago. This strong growth directly boosts Regeneron's revenue and profit, as Regeneron shares in the profits.
Dupixent is a major revenue driver for Regeneron, and its strong sales growth directly impacts Regeneron's financial performance.
FDA and EMA accept cemdisiran filings Regeneron's new drug cemdisiran for generalized myasthenia gravis was accepted for review by the FDA and EMA. The FDA granted Priority Review with a decision expected by November 2026. If approved, it could be a first-in-class treatment, adding a new revenue stream.
This regulatory milestone brings Regeneron closer to launching a new drug, which could drive future sales.
AbbVie acquires Apogee, increasing competition AbbVie agreed to buy Apogee Therapeutics for $10.9 billion, gaining a potential competitor to Regeneron's Dupixent. This could pressure Dupixent's market share in inflammatory diseases like atopic dermatitis and asthma, posing a long-term risk to Regeneron's revenue.
This is a new competitive threat that could impact Regeneron's key product, Dupixent.

Amgen Inc (AMGN)

Q3 20268 Jul – 14 Sep 2026

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Amgen Q3: Pelacarsen Blow Sinks Shares, Recalls and Rival Threats Weigh

Pelacarsen failure casts doubt on Amgen's olpasiran Novartis' heart drug pelacarsen failed, and because Amgen's similar olpasiran works the same way, investors feared it could fail too. Shares fell about 10% and BMO downgraded the stock.
This was the single most severe event of the quarter, directly sinking the share price.
Court blocks Colorado's 70% Enbrel price cap A court blocked Colorado's 70% price cap on Enbrel, reducing regulatory risk for Amgen's biggest drug. This removes a threat that could have slashed revenue from a key product.
A major legal win that eased a key overhang on the stock.
Q2 beat and raised guidance, key products grow 26% Amgen's Q2 earnings and revenue beat estimates, and the company raised its full-year guidance. Six key products grew 26%, showing the new drug lineup is driving growth.
Strong financial results and raised outlook support the stock.
Recalls, competition, pipeline setback, cyberattack Corlanor and Sensipar recalls raised quality concerns. Merck's cheaper oral PCSK9 threatens Repatha, Sotyktu may erode Otezla, AMG 513 was discontinued, and a cyberattack triggered lawsuits.
Multiple negative events that weighed on sentiment and future growth prospects.

September 20267 Sep – 14 Sep 2026

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Novartis Lp(a) Failure Sinks Amgen; IMDELLTRA Wins Offer Counterweight

Novartis Lp(a) failure casts doubt on Amgen's olpasiran Novartis' rival Lp(a)-lowering drug pelacarsen failed its Phase 3 heart trial, even though it lowered Lp(a). Amgen's similar drug olpasiran now faces the same doubt, and Amgen shares fell about 10% — their worst day since 2000 — as investors fear olpasiran may also fail to prevent heart attacks.
This is the main new force driving AMGN down this period.
BMO downgrades Amgen on olpasiran risk BMO Capital downgraded Amgen to Market Perform from Outperform, keeping a $450 target but warning that olpasiran now carries more risk. A downgrade tells investors the analyst sees less upside, which can push the stock down and keep a lid on any recovery.
Analyst downgrade is a direct new negative catalyst for the stock.
IMDELLTRA combo shows landmark survival benefit in lung cancer Amgen's IMDELLTRA combined with AstraZeneca's Imfinzi met its main goal in a Phase 3 lung-cancer study, significantly extending overall survival. This is the first such win for a bispecific T-cell engager in this setting, boosting confidence in a key new growth drug.
A major positive pipeline win that offsets some of the Lp(a) pessimism.
FDA eases IMDELLTRA monitoring, making it easier to use The FDA approved a label update cutting required monitoring after the first two IMDELLTRA doses from 22–24 hours to 6–8 hours. Shorter monitoring makes the drug simpler to give, especially in community clinics, which could widen its use and support sales.
Regulatory win that improves commercial practicality of a growth drug.

Latest7 Sep – 14 Sep 2026

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Novartis Lp(a) Failure Sinks Amgen; IMDELLTRA Wins Offer Counterweight

Novartis Lp(a) failure casts doubt on Amgen's olpasiran Novartis' rival Lp(a)-lowering drug pelacarsen failed its Phase 3 heart trial, even though it lowered Lp(a). Amgen's similar drug olpasiran now faces the same doubt, and Amgen shares fell about 10% — their worst day since 2000 — as investors fear olpasiran may also fail to prevent heart attacks.
This is the main new force driving AMGN down this period.
BMO downgrades Amgen on olpasiran risk BMO Capital downgraded Amgen to Market Perform from Outperform, keeping a $450 target but warning that olpasiran now carries more risk. A downgrade tells investors the analyst sees less upside, which can push the stock down and keep a lid on any recovery.
Analyst downgrade is a direct new negative catalyst for the stock.
IMDELLTRA combo shows landmark survival benefit in lung cancer Amgen's IMDELLTRA combined with AstraZeneca's Imfinzi met its main goal in a Phase 3 lung-cancer study, significantly extending overall survival. This is the first such win for a bispecific T-cell engager in this setting, boosting confidence in a key new growth drug.
A major positive pipeline win that offsets some of the Lp(a) pessimism.
FDA eases IMDELLTRA monitoring, making it easier to use The FDA approved a label update cutting required monitoring after the first two IMDELLTRA doses from 22–24 hours to 6–8 hours. Shorter monitoring makes the drug simpler to give, especially in community clinics, which could widen its use and support sales.
Regulatory win that improves commercial practicality of a growth drug.

August 202629 Jul – 3 Sep 2026

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Amgen beats Q2, raises guidance, but obesity setback and cyberattack weigh

Q2 earnings beat and guidance raise Amgen reported Q2 adjusted EPS of $6.29 and revenue of $10.05B, beating estimates, and raised its 2026 guidance. Six key growth products grew 26%, reducing reliance on older drugs.
This is a new positive fundamental development that directly supports the stock.
Repatha and Tezspire clinical wins Repatha cut death risk by 20% in a major heart trial, and Tezspire met all goals in an eosinophilic esophagitis study. These results lifted shares to a 52-week high and prompted analyst target hikes.
New clinical data and analyst reactions are key drivers of the stock's move this period.
Obesity drug AMG 513 discontinued Amgen discontinued its obesity drug AMG 513, leaving MariTide trailing Eli Lilly and Novo Nordisk in the lucrative obesity market. This raises concerns about Amgen's competitive position.
This is a new negative event that affects future growth prospects.
Cyberattack and drug-price pressure A July cyberattack exposed patient and proprietary data, triggering a class action investigation. Also, a looming US drug-price agreement with mid-sized biotechs could pressure Medicaid revenue.
These are new risk factors that emerged during the period and could weigh on the stock.

8 Aug – 3 Sep 2026

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Amgen Hits 52-Week High on Q2 Beat, Repatha and Tezspire Wins

Repatha Cuts Death Risk 20% in Major Heart Trial Amgen's Repatha reduced death risk by 20% in high-risk heart patients in the VESALIUS-CV trial, a major win for its biggest growth drug. This strengthens the case for wider use and future sales, supporting a higher stock price.
This is a new, high-impact clinical win that directly boosts confidence in Amgen's key growth driver.
Tezspire Meets All Goals in Eosinophilic Esophagitis Trial Amgen and AstraZeneca's Tezspire succeeded in a Phase 3 trial for eosinophilic esophagitis, a chronic throat condition with few good treatments. This opens a new market and adds to Tezspire's growth story, lifting investor optimism.
New positive trial results expand a key product's potential, a fresh catalyst for the stock.
US Drug Price Agreement with Mid-Sized Biotechs Looms The Trump administration is expected to announce a drug price agreement with mid-sized biotech firms, and Amgen was among companies urged to cut US prices. If Amgen is included, lower Medicaid prices could pressure revenue and weigh on the stock.
This is a new regulatory risk that could directly affect Amgen's pricing and profits.
Analyst Fair Value and Price Targets Raised After Q2 Beat Following Amgen's strong Q2 results, analysts raised their fair value estimate to about $372 and several price targets into the $450 range, citing broad franchise strength. Higher targets can pull the stock up as investors adjust expectations.
This is a new analyst reaction that reflects upgraded expectations and can influence the stock price.

29 Jul – 6 Aug 2026

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Amgen Q2 Beat and Guidance Raise Outweigh Data Breach and Obesity Setback

Q2 earnings beat and raised 2026 guidance Amgen reported Q2 adjusted EPS of $6.29, well above the $5.62 consensus, and revenue of $10.05 billion, up 10% and ahead of forecasts. Management raised full-year revenue and EPS guidance, signaling confidence in the business. This directly boosts the stock as investors see stronger profits ahead.
This is the main new positive event that drove the stock up over 5% this period.
Key growth drivers show strong momentum Six key products, including Repatha, Evenity, Uplizna, and Imdelltra, grew 26% year-over-year and now make up nearly 70% of product sales. This reduces reliance on older drugs like Enbrel and Otezla, which are facing competition. The shift supports future revenue growth and lifts investor confidence.
It explains the underlying strength behind the earnings beat and why the stock rose.
Cybersecurity breach and class action investigation Amgen disclosed a July cyberattack where sensitive patient and proprietary data was stolen. A law firm has launched a class action investigation. This creates legal and reputational risk, which could weigh on the stock, though Amgen says operations are not materially affected.
It is a new negative event that could pressure the stock and is important for a balanced view.
Obesity drug AMG 513 discontinued; MariTide faces tough competition Amgen ended development of early-stage obesity drug AMG 513, leaving MariTide as its only obesity candidate. MariTide's weight-loss data trails Eli Lilly's and Novo Nordisk's drugs, and switching patients may be hard. This raises doubts about Amgen's ability to compete in the lucrative obesity market.
It is a new setback that could limit future growth and is a key counterweight to the positive earnings.

July 20268 Jul – 23 Jul 2026

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Enbrel price cap blocked, but recalls and new rivals pressure Amgen

Court blocks Colorado's 70% Enbrel price cap A federal judge stopped Colorado from capping Enbrel's price by 70%. This removes a big worry that other states might follow, protecting Amgen's future sales and cash flow. The stock could rise as investors see less regulatory risk.
This is a major new legal win that directly supports Amgen's revenue outlook.
Recalls of Corlanor and Sensipar raise quality concerns Amgen recalled some lots of heart drug Corlanor and kidney drug Sensipar due to foreign substances and manufacturing issues. This adds compliance risk and could lead to fines or lost sales, weighing on the stock as investors question production quality.
New recalls create fresh regulatory and reputational risk that can hurt the stock.
New oral PCSK9 rival threatens Repatha Merck won FDA approval for Lipfendra, the first oral cholesterol drug in the same class as Amgen's injectable Repatha. It costs much less per month, so it could steal market share and slow Repatha's growth, pressuring Amgen's revenue.
A new lower-priced competitor directly challenges a key Amgen growth drug.
Sotyktu launch may take share from Otezla Bristol Myers Squibb's new oral drug Sotyktu is gaining traction among arthritis doctors, and Amgen's Otezla is cited as likely to lose patients. This could reduce Otezla sales, a negative for Amgen's earnings outlook.
New competitive data shows a direct threat to an existing Amgen product.

8 Jul – 23 Jul 2026

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Enbrel price cap blocked, but recalls and new rivals pressure Amgen

Court blocks Colorado's 70% Enbrel price cap A federal judge stopped Colorado from capping Enbrel's price by 70%. This removes a big worry that other states might follow, protecting Amgen's future sales and cash flow. The stock could rise as investors see less regulatory risk.
This is a major new legal win that directly supports Amgen's revenue outlook.
Recalls of Corlanor and Sensipar raise quality concerns Amgen recalled some lots of heart drug Corlanor and kidney drug Sensipar due to foreign substances and manufacturing issues. This adds compliance risk and could lead to fines or lost sales, weighing on the stock as investors question production quality.
New recalls create fresh regulatory and reputational risk that can hurt the stock.
New oral PCSK9 rival threatens Repatha Merck won FDA approval for Lipfendra, the first oral cholesterol drug in the same class as Amgen's injectable Repatha. It costs much less per month, so it could steal market share and slow Repatha's growth, pressuring Amgen's revenue.
A new lower-priced competitor directly challenges a key Amgen growth drug.
Sotyktu launch may take share from Otezla Bristol Myers Squibb's new oral drug Sotyktu is gaining traction among arthritis doctors, and Amgen's Otezla is cited as likely to lose patients. This could reduce Otezla sales, a negative for Amgen's earnings outlook.
New competitive data shows a direct threat to an existing Amgen product.

Q2 202618 Jun – 3 Jul 2026

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Amgen's growth drivers offset legal and regulatory setbacks

Growth drivers now 70% of sales Amgen's key growth drugs (Repatha, rare disease) grew 24% and now make up 70% of total sales, offsetting declines in older drugs. This shows the company's transition is working, which supports the stock price.
This is the core positive force behind Amgen's business momentum.
MariTide and Repatha data advance Amgen's obesity drug MariTide is in phase 3 trials, and Repatha cut heart events by 29% in high-risk diabetes patients. These could become major new revenue sources, lifting future earnings expectations.
Pipeline progress is a key driver of long-term growth and investor optimism.
Tavneos regulatory and data integrity crisis EU regulators recommend revoking Tavneos approval, and NEJM retracted the trial supporting it after FDA found data issues. The FDA may withdraw the drug in the US. This creates uncertainty and could hurt Amgen's reputation and sales.
This is a major negative regulatory event that threatens a marketed drug and investor confidence.
Competition and patent risks Roche's divarasib beat Amgen's Lumakras in lung cancer, threatening Lumakras sales. Also, a jury found Amgen willfully infringed a patent, raising legal concerns. Both could pressure future revenue and increase costs.
These are new competitive and legal threats that could weigh on Amgen's stock.

June 202618 Jun – 3 Jul 2026

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Amgen's growth drivers offset legal and regulatory setbacks

Growth drivers now 70% of sales Amgen's key growth drugs (Repatha, rare disease) grew 24% and now make up 70% of total sales, offsetting declines in older drugs. This shows the company's transition is working, which supports the stock price.
This is the core positive force behind Amgen's business momentum.
MariTide and Repatha data advance Amgen's obesity drug MariTide is in phase 3 trials, and Repatha cut heart events by 29% in high-risk diabetes patients. These could become major new revenue sources, lifting future earnings expectations.
Pipeline progress is a key driver of long-term growth and investor optimism.
Tavneos regulatory and data integrity crisis EU regulators recommend revoking Tavneos approval, and NEJM retracted the trial supporting it after FDA found data issues. The FDA may withdraw the drug in the US. This creates uncertainty and could hurt Amgen's reputation and sales.
This is a major negative regulatory event that threatens a marketed drug and investor confidence.
Competition and patent risks Roche's divarasib beat Amgen's Lumakras in lung cancer, threatening Lumakras sales. Also, a jury found Amgen willfully infringed a patent, raising legal concerns. Both could pressure future revenue and increase costs.
These are new competitive and legal threats that could weigh on Amgen's stock.

18 Jun – 3 Jul 2026

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Amgen's growth drivers offset legal and regulatory setbacks

Growth drivers now 70% of sales Amgen's key growth drugs (Repatha, rare disease) grew 24% and now make up 70% of total sales, offsetting declines in older drugs. This shows the company's transition is working, which supports the stock price.
This is the core positive force behind Amgen's business momentum.
MariTide and Repatha data advance Amgen's obesity drug MariTide is in phase 3 trials, and Repatha cut heart events by 29% in high-risk diabetes patients. These could become major new revenue sources, lifting future earnings expectations.
Pipeline progress is a key driver of long-term growth and investor optimism.
Tavneos regulatory and data integrity crisis EU regulators recommend revoking Tavneos approval, and NEJM retracted the trial supporting it after FDA found data issues. The FDA may withdraw the drug in the US. This creates uncertainty and could hurt Amgen's reputation and sales.
This is a major negative regulatory event that threatens a marketed drug and investor confidence.
Competition and patent risks Roche's divarasib beat Amgen's Lumakras in lung cancer, threatening Lumakras sales. Also, a jury found Amgen willfully infringed a patent, raising legal concerns. Both could pressure future revenue and increase costs.
These are new competitive and legal threats that could weigh on Amgen's stock.