Mason Hawkins - Southeastern Asset Management
Holding/activity history for Regeneron Pharmaceuticals, Inc. (REGN)
← All REGN superinvestors
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 130,662 | 4.97 | Reduce 21.19% | 1.21 | $718.38–821.11 · VW $766.58i | $100,954,687 | SEC |
| 2025 Q4 | 165,792 | 5.70 | Add 14.65% | 0.73 | $541.00–792.77 · VW $694.37i | $127,969,871 | SEC |
| 2025 Q3 | 144,607 | 4.15 | Reduce 9.95% | 0.42 | $521.00–610.45 · VW $566.51i | $81,308,178 | SEC |
| 2025 Q2 | 160,581 | 4.25 | Add 39.78% | 1.21 | $476.49–641.24 · VW $542.64i | $84,305,025 | SEC |
| 2025 Q1 | 114,880 | 3.88 | Buy | 3.88 | $618.51–748.29 · VW $683.84i | $72,860,344 | SEC |
Price snapshot:
Current price$663.09
Avg. buy price$624.70
+/- since buy6.14%
52-week low$538.55
52-week high$818.90