REGN

REGENERON PHARMACEUTICALS, INC.

Company with tickers: REGN

CIK
872589
CUSIP
75886F107
Shares Outstanding
103,902,660

Short Interest History

Settlement Date Current Position Previous Position Change Days to Cover
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
2025-05-15 2,798,186 2,887,463 -89,277 1.85
2025-04-30 2,887,463 2,601,922 +285,541 2.41
2025-04-15 2,601,922 2,790,935 -189,013 2.13
2025-03-31 2,790,935 3,249,157 -458,222 2.94