PFE
PFIZER INC
Closing price as of Mar 31, 2026
31 superinvestors own PFE
Based on latest 13F filings — data is 45–90 days delayed
| Investor | Weight | Activity |
|---|---|---|
| Michael Burry | 11.07% | Added |
| David Einhorn | 10.32% | Reduced |
| William Von Mueffling | 7.62% | Added |
| Hillman Capital Management | 3.66% | Added |
| Torray Funds | 3.20% | Reduced |
| Harry Burn | 2.70% | Added |
| Jensen Investment Management | 2.57% | Reduced |
| Kahn Brothers Group | 2.41% | Reduced |
| Polen Capital Management | 2.25% | Reduced |
| David Tepper | 1.55% | Reduced |
| Prem Watsa | 1.43% | Added |
| Valley Forge Capital Management | 1.01% | New |
| Kenneth Fisher | 1.00% | Added |
| David Katz | 0.89% | Added |
| Sarah Ketterer | 0.66% | Reduced |
| Richard Pzena | 0.54% | Reduced |
| Meridian / ArrowMark | 0.43% | Held |
| Christopher Davis | 0.19% | Reduced |
| Viking Global Investors | 0.15% | Reduced |
| Warren Buffett | 0.06% | New |
| Thomas Gayner | 0.03% | Reduced |
| Bill Miller | 0.03% | Held |
| Kopernik Global Investors | 0.03% | Held |
| Tweedy Browne Co. | 0.03% | Reduced |
| Bruce Berkowitz | 0.02% | Reduced |
| Mairs & Power | 0.02% | Reduced |
| Bill & Melinda Gates Foundation | 0.01% | New |
| First Eagle Investment Management | 0.01% | Added |
| Dodge & Cox | 0.00% | Reduced |
| Bill Nygren | 0.00% | Reduced |
| Ruane Cunniff | 0.00% | Reduced |
Recent insider activity — PFE
Open-market purchases (P) and sales (S) from SEC Form 4 filings · last 12 months
No open-market insider trades in the last 12 months.
Form 4 filings for option exercises and other transaction types are excluded.
Congressional trades — PFE
STOCK Act disclosures · last 12 months
Congressional trade data coming soon.
We are sourcing STOCK Act disclosures and will display them here shortly.
Learn more
What Is SEC Form 4?
Understand the insider trade filings behind PFE activity.
What Is a 13F Filing?
How superinvestors disclose their quarterly holdings.
Insider Cluster Buying
Why multiple insiders buying together is a strong signal.
Superinvestor Consensus
The most widely held stocks across all tracked institutions.