Companies / Regeneron Pharmaceuticals, Inc.
Regeneron Pharmaceuticals, Inc.
Financials · FY2025
Ownership
103.0M shares outstanding · as of Jul 23, 2026
Ownership
Share classes
| Common Stock | 98.23% | |
| Class A | 1.76% |
| Insiders | 0.58% | 598,491 |
| Institutions | 87.61% | 90,193,917 |
| Public float | 11.81% | 12,162,580 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 14
View all →| Insider | % of shares | Shares |
|---|---|---|
Yancopoulos GeorgeBd. Co-Chair, President & CSO · Director | 0.30% | 310,460 |
Schleifer Leonard SCEOBd. Co-Chair, President & CEO · Director | 0.21% | 214,523 |
Sing George LDirector | 0.03% | 31,007 |
Ryan Arthur FDirector | 0.02% | 17,503 |
Goldstein Joseph LDirector | <0.01% | 6,703 |
Poon Christine aDirector | <0.01% | 5,219 |
Pitofsky JasonSVP Controller | <0.01% | 4,272 |
Coles N AnthonyDirector | <0.01% | 1,714 |
Bassler Bonnie LDirector | <0.01% | 1,703 |
Brown Michael SDirector | <0.01% | 1,703 |
Institutional holders 1,389
View all →| Holder | Value | % of shares |
|---|---|---|
| $7.00B | 8.81% | |
| $5.68B | 8.85% | |
| $3.55B | 4.46% | |
| $3.04B | 3.83% | |
| $3.01B | 4.70% | |
| $2.01B | 2.53% | |
| $1.98B | 2.49% | |
| $1.79B | 2.25% | |
| $1.55B | 1.95% | |
| $1.49B | 1.88% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | Yancopoulos George Executive | Other | Common Stock | $22.06M | -29K -8.43% | 310,460 0.30% of shares | low |
| Dec 31, 2025 | Schleifer Leonard S CEO | Other | Common Stock | $22.06M | -29K -11.75% | 214,523 0.21% of shares | low |
| Jan 7, 2026 | Bassler Bonnie L Director | Sell | Common Stock | $1.20M | -2K -46.83% | 1,703 <0.01% of shares | medium |
| Feb 19, 2026 | Zoghbi Huda Y Director | Exercise | Common Stock | $617.0K | +2K +96.18% | 3,341 <0.01% of shares | low |
| Jan 7, 2026 | Bassler Bonnie L Director | Exercise | Common Stock | $561.2K | +2K +88.08% | 3,203 <0.01% of shares | low |
| Feb 9, 2026 | Pitofsky Jason Executive | Exercise | Common Stock | $492.0K | +1K +18.84% | 6,308 <0.01% of shares | low |
| Feb 9, 2026 | Pitofsky Jason Executive | Sell | Common Stock | $438.2K | -563 -10.47% | 4,813 <0.01% of shares | medium |
| Feb 9, 2026 | Pitofsky Jason Executive | Sell | Common Stock | $404.5K | -521 -8.29% | 5,767 <0.01% of shares | medium |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| REGN | — | 75886F107 |