REGN
Regeneron Pharmaceuticals, Inc.Company with tickers: REGN
CIK
872589
CUSIP
75886F107
Shares Outstanding
103,021,886
13F Activity (30d)
986 filings
972 filers
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-05-15 | 2,780,809 | 3,270,341 | -489,532 | 3.64 |
| 2026-04-30 | 3,270,341 | 2,841,780 | +428,561 | 4.06 |
| 2026-04-15 | 2,841,780 | 2,548,311 | +293,469 | 4.36 |
| 2026-03-31 | 2,548,311 | 2,451,498 | +96,813 | 4.22 |
| 2026-03-13 | 2,451,498 | 2,286,750 | +164,748 | 4.18 |
| 2026-02-27 | 2,286,750 | 2,051,997 | +234,753 | 3.77 |
| 2026-02-13 | 2,051,997 | 2,176,530 | -124,533 | 2.49 |
| 2026-01-30 | 2,176,530 | 2,289,214 | -112,684 | 2.34 |
| 2026-01-15 | 2,289,214 | 2,484,091 | -194,877 | 2.56 |
| 2025-12-31 | 2,484,091 | 2,738,113 | -254,022 | 3.30 |
| 2025-12-15 | 2,738,113 | 3,148,430 | -410,317 | 2.81 |
| 2025-11-28 | 3,148,430 | 2,844,265 | +304,165 | 2.44 |
| 2025-11-14 | 2,844,265 | 2,793,459 | +50,806 | 2.96 |
| 2025-10-31 | 2,793,459 | 2,927,169 | -133,710 | 2.75 |
| 2025-10-15 | 2,927,169 | 2,760,203 | +166,966 | 2.46 |
| 2025-09-30 | 2,760,203 | 2,985,318 | -225,115 | 2.36 |
| 2025-09-15 | 2,985,318 | 2,827,689 | +157,629 | 3.11 |
| 2025-08-29 | 2,827,689 | 2,349,138 | +478,551 | 2.95 |
| 2025-08-15 | 2,349,138 | 2,291,886 | +57,252 | 2.21 |
| 2025-07-31 | 2,291,886 | 2,074,491 | +217,395 | 2.49 |
| 2025-07-15 | 2,074,491 | 2,252,720 | -178,229 | 2.46 |
| 2025-06-30 | 2,252,720 | 2,031,432 | +221,288 | 1.97 |
| 2025-06-13 | 2,031,432 | 2,697,824 | -666,392 | 1.27 |
| 2025-05-30 | 2,697,824 | 2,798,186 | -100,362 | 1.91 |