Why did PFE stock drop? — 2026-11-12

Research session: 2026-11-12. Published: 2026-11-12T21:36:23.441567+00:00.

Final report

PFE — Pfizer, Inc. Common Stock

Session close: $28.83. Regular-session share volume: 24,967,203. Change from previous close: -2.11%.

Key developments

Pfizer and Blackstone Life Sciences announced a strategic co-funding agreement under which Blackstone funds will cover a substantial share of berobenatide development costs through the end of the decade. In exchange, Blackstone is eligible for milestone-based payments tied to U.S. regulatory approval of monthly dosing and to commercial sales milestones, without acquiring rights or ownership of the drug; Pfizer retains full control of the obesity program.

Company news Pfizer and Blackstone Life Sciences Announce Strategic Funding Agreement for Obesity Program · Company news Pfizer Secures Up to $1.5B Funding From Blackstone for Obesity Program · Company news Why Pfizer Is Tapping Private Equity to Back Its Once-Monthly Weight-Loss Drug

News sources

Company news Pfizer Says Will Discontinue Premarin Vaginal Cream And Three Tablet Strengths In Canada; Says Decision Made Following Internal Review, Not Related To Safety, Efficacy Or Quality Concerns · Company news Thin Film Drug Manufacturing - Global Strategic Business Report 2026: Secure Share of a $14.3B Market by 2032 | Features Competitive Intelligence on Novartis, Pfizer, Indivior, IntelGenx and MonoSol Rx · Company news Why Pfizer Is Tapping Private Equity to Back Its Once-Monthly Weight-Loss Drug · Company news Blackstone Bankrolls Pfizer’s Weight Loss Drug Trials for Slice of Future Sales · Company news Pfizer Secures Up to $1.5B Funding From Blackstone for Obesity Program · Company news Pfizer Takes New Stake In Wave Life Sciences Of 1.857M Shares · Company news Pfizer and Blackstone Life Sciences Announce Strategic Funding Agreement for Obesity Program · Company news Pfizer And Blackstone Life Sciences Enter Co-Funding Agreement Under Which Blackstone Will Pay Up To $1.5B Of Development Costs For Study Of Monthly GLP-1 Receptor Agonist Peptide Berobenatide Through 2028 · Company news Pfizer and Blackstone Life Sciences Announce Strategic Funding Agreement for Obesity Program

Full report for 2026-11-12

Research from 2026-11-12. PFE is not in the latest top-50 ranking (2026-11-13). Live quotes are separate from this saved research.

Research history