Filing Flows › Regeneron Pharmaceuticals (REGN) › Who owns the stock
Who owns Regeneron Pharmaceuticals (REGN) stock
1,336 funds reported Regeneron Pharmaceuticals (REGN) shares in their latest 13F filings, worth $61.9B in all. The largest holder is Vanguard Group ($7.0B). Last quarter 555 funds added to their stakes and 636 cut them. Members of Congress and other officials disclosed 4 trades (3 buys, 1 sales).
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| Vanguard Group | 9,075,153 | $7.0B | increase | 2025-12-31 |
| BlackRock | 9,113,506 | $5.7B | increase | 2026-06-30 |
| Vanguard Capital Management LLC | 6,629,759 | $4.1B | decrease | 2026-06-30 |
| Dodge & COX | 4,871,137 | $3.0B | increase | 2026-06-30 |
| State Street | 4,834,688 | $3.0B | increase | 2026-06-30 |
| Invesco | 3,940,665 | $2.5B | increase | 2026-06-30 |
| Vanguard Portfolio Management LLC | 3,175,313 | $2.0B | increase | 2026-06-30 |
| Franklin Resources | 2,771,839 | $1.7B | increase | 2026-06-30 |
| Geode Capital Management, LLC | 2,625,810 | $1.6B | increase | 2026-06-30 |
| Nuveen, LLC | 2,019,974 | $1.3B | decrease | 2026-06-30 |
| Loomis Sayles & Co L P | 1,859,172 | $1.2B | decrease | 2026-06-30 |
| PeakShares LLC | 1,564 | $975M | increase | 2026-06-30 |
| Price T Rowe Associates | 1,529,709 | $954M | decrease | 2026-06-30 |
| Amundi | 1,151,032 | $873M | increase | 2026-09-30 |
| Morgan Stanley | 1,397,712 | $872M | increase | 2026-06-30 |
Trades by Congress and other officials
| Date | Who | Trade | Amount |
|---|---|---|---|
| 2026-05-15 | Gilbert Cisneros | sale | $1K–$15K |
| 2026-03-27 | Alan Armstrong | purchase | $1K–$15K |
| 2026-02-12 | Julia Letlow | purchase | $1K–$15K |
| 2025-11-18 | Gilbert Cisneros | purchase | $1K–$15K |
Regeneron Pharmaceuticals' latest quarter
Regeneron Pharmaceuticals, Q3 2026: revenue $5.1B (+36% year over year), operating margin 40.0%, net earnings $1.9B, operating cash flow $1.8B. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most REGN stock?
By the latest 13F filings: Vanguard Group ($7.0B); BlackRock ($5.7B); Vanguard Capital Management LLC ($4.1B); Dodge & COX ($3.0B); State Street ($3.0B).
Has Congress traded REGN stock?
Officials disclosed 4 trades on file: 3 buys and 1 sales. The latest: Gilbert Cisneros, sale on 2026-05-15.
What is the short interest in REGN?
2,134,934 shares were sold short at the 2026-10-15 settlement, -0.71% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.