Regeneron Pharmaceuticals, Inc. REGN
930.67 USD -42.69 (-4.39%)
At closeNov 4, 2026, 7:41 PM EST
936.99 +6.32 +0.68%
After hours · Nov 4, 7:41 PM ET
927.42 Day range 991.73
591.52 52-week range 991.73
- YTD
- +20.57%
- 1 year
- +48.20%
Held by funds
507 US ETFs and mutual funds hold REGN · largest positions
Ownership
Held by insiders 2.08%
Held by institutions 92.75%
Float held by institutions 94.72%
Institutions 2,008
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Blackrock Inc. | 8.97% | 9,113,506 | 8.48B | Jun 29, 2026 |
| Vanguard Capital Management LLC | 6.52% | 6,629,759 | 6.17B | Jun 29, 2026 |
| Dodge & Cox Inc. | 4.79% | 4,871,137 | 4.53B | Jun 29, 2026 |
| State Street Corporation | 4.76% | 4,834,688 | 4.50B | Jun 29, 2026 |
| Invesco Ltd. | 3.88% | 3,940,665 | 3.67B | Jun 29, 2026 |
| JPMORGAN CHASE & CO | 3.71% | 3,774,199 | 3.51B | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 3.22% | 3,270,896 | 3.04B | Jun 29, 2026 |
| Dodge & Cox Funds-Dodge & Cox Stock Fund | 3.07% | 3,121,304 | 2.90B | Jun 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard 500 Index Fund | 2.55% | 2,588,231 | 2.41B | Jun 29, 2026 |
| Invesco QQQ Trust, Series 1 | 2.08% | 2,112,569 | 1.97B | Sep 29, 2026 |
| iShares Trust-iShares Core S&P 500 ETF | 1.29% | 1,306,480 | 1.22B | Sep 29, 2026 |
| Fidelity Concord Street Trust-Fidelity 500 Index Fund | 1.25% | 1,274,099 | 1.19B | Sep 29, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| BROWN MICHAEL S | Director | Sale | Oct 29, 2026 | 12,865 |
| FENIMORE CHRISTOPHER R | Chief Financial Officer | Conversion of Exercise of derivative security | Aug 17, 2026 | 23,505 |
| LAROSA JOSEPH J | General Counsel | Conversion of Exercise of derivative security | Aug 18, 2026 | 45,595 |
| MCCOURT MARION E | Officer | Sale | Oct 29, 2026 | 11,090 |
| MURPHY ANDREW J | Officer | Stock Award(Grant) | Dec 4, 2025 | 56,437 |
| RYAN ARTHUR F. | Director | Sale | Jul 1, 2026 | 17,303 |