REGN: Regeneron Pharmaceuticals insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 27 sales totaling $3.20M in the last 180 days.
Insider sales
| Trade date | Insider | Role | Value | 10b5-1 plan |
|---|---|---|---|---|
| 2026-10-14 | Murphy Andrew J | Officer | $5K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $26K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $12K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $18K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $11K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $56K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $21K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $42K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $19K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $167K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $207K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $214K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $147K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $81K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $98K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $9K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $218K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $163K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $173K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $94K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $292K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $51K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $30K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $354K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $296K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $361K | yes |
| 2026-10-14 | Murphy Andrew J | Officer | $39K | yes |
Institutional ownership (Q2 2026)
1,346 institutions reported holding $55.66B of Regeneron Pharmaceuticals on Form 13F (1,400 the quarter before). 116 opened a new position and 168 sold out. Shares held by institutions: +1%.
| Largest holders | Shares | Value |
|---|---|---|
| BlackRock, Inc. | 9,113,506 | $5.68B |
| VANGUARD CAPITAL MANAGEMENT LLC | 6,629,759 | $4.13B |
| Dodge & Cox | 4,871,137 | $3.04B |
| STATE STREET CORP | 4,834,688 | $3.01B |
| Invesco Ltd. | 3,940,665 | $2.46B |
| JPMORGAN CHASE & CO | 3,774,199 | $2.38B |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3,175,313 | $1.98B |
| FRANKLIN RESOURCES INC | 2,771,839 | $1.73B |
| GEODE CAPITAL MANAGEMENT, LLC | 2,625,810 | $1.63B |
| Nuveen, LLC | 2,019,974 | $1.26B |
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