REGN fund manager activity
Regeneron Pharmaceuticals, Inc · Nasdaq. Reported by 15 tracked fund managers in their 13F filings, Q2 2013 to Q2 2026.
Q4 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| Dodge & Cox Funds | Added | 4,596,358 | $3,547,790,849 | 1.92% | Feb 13, 2026 |
| Ken Fisher - Fisher Asset Management | Added | 4,990 | $3,852,578 | 0.00% | Feb 9, 2026 |
| Jeremy Grantham - GMO | Trimmed | 56,704 | $43,768,116 | 0.11% | Feb 17, 2026 |
| Joel Greenblatt - Gotham Asset Management | Trimmed | 80,271 | $61,958,777 | 0.23% | Feb 17, 2026 |
| Harry Burn - Sound Shore | Added | 175,887 | $135,761,899 | 4.32% | Feb 10, 2026 |
| Mason Hawkins - Southeastern Asset Management | Added | 165,792 | $127,969,871 | 5.70% | Feb 13, 2026 |
Q3 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| Dodge & Cox Funds | Added | 4,550,845 | $2,558,803,618 | 1.38% | Nov 13, 2025 |
| Ken Fisher - Fisher Asset Management | Added | 4,637 | $2,607,912 | 0.00% | Nov 12, 2025 |
| Jeremy Grantham - GMO | Trimmed | 61,474 | $34,564,986 | 0.10% | Nov 13, 2025 |
| Joel Greenblatt - Gotham Asset Management | Added | 84,230 | $47,360,002 | 0.21% | Nov 14, 2025 |
| Michael Burry - Scion Asset Management | Sold out | — | — | 0.00% | Nov 3, 2025 |
| Harry Burn - Sound Shore | New | 115,028 | $64,676,793 | 2.14% | Nov 6, 2025 |
| Mason Hawkins - Southeastern Asset Management | Trimmed | 144,607 | $81,308,178 | 4.15% | Nov 14, 2025 |
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