Mason Hawkins - Southeastern Asset Management Inc
Holding/activity history for Regeneron Pharmaceuticals (REGN)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 130,662 | 4.97 | Reduce 21.19% | 1.21 | $772.64 | $100,954,687 | SEC |
| 2025 Q4 | 165,792 | 5.70 | Add 14.65% | 0.73 | $771.87 | $127,969,871 | SEC |
| 2025 Q3 | 144,607 | 4.15 | Reduce 9.95% | 0.42 | $562.27 | $81,308,178 | SEC |
| 2025 Q2 | 160,581 | 4.25 | Add 39.78% | 1.21 | $525.00 | $84,305,025 | SEC |
| 2025 Q1 | 114,880 | 3.88 | Buy | 3.88 | $634.23 | $72,860,344 | SEC |