ALNY

ALNYLAM PHARMACEUTICALS, INC.

Company with tickers: ALNY

CIK
1178670
CUSIP
02043Q107
Shares Outstanding
132,623,144

Short Interest History

Settlement Date Current Position Previous Position Change Days to Cover
2026-03-13 4,369,615 4,572,652 -203,037 4.18
2026-02-27 4,572,652 5,244,475 -671,823 4.46
2026-02-13 5,244,475 5,282,136 -37,661 2.80
2026-01-30 5,282,136 5,565,961 -283,825 3.66
2026-01-15 5,565,961 5,532,159 +33,802 3.72
2025-12-31 5,532,159 4,184,652 +1,347,507 2.89
2025-12-15 4,184,652 3,960,190 +224,462 3.19
2025-11-28 3,960,190 4,279,250 -319,060 4.09
2025-11-14 4,279,250 3,769,098 +510,152 4.49
2025-10-31 3,769,098 3,993,922 -224,824 3.34
2025-10-15 3,993,922 3,507,540 +486,382 3.48
2025-09-30 3,507,540 3,718,643 -211,103 3.36
2025-09-15 3,718,643 3,973,434 -254,791 3.05
2025-08-29 3,973,434 3,426,778 +546,656 3.73
2025-08-15 3,426,778 3,238,527 +188,251 2.57
2025-07-31 3,238,527 3,379,378 -140,851 2.78
2025-07-15 3,379,378 3,327,381 +51,997 3.78
2025-06-30 3,327,381 3,375,720 -48,339 3.64
2025-06-13 3,375,720 3,448,792 -73,072 4.60
2025-05-30 3,448,792 3,681,405 -232,613 3.23
2025-05-15 3,681,405 3,149,449 +531,956 3.38
2025-04-30 3,149,449 3,060,597 +88,852 4.00
2025-04-15 3,060,597 2,989,679 +70,918 2.35
2025-03-31 2,989,679 2,538,284 +451,395 2.55