Alnylam Pharmaceuticals, Inc. (ALNY) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for ALNY. 13F holdings as of 2026-06-30.

Top Institutional Holders

InstitutionSharesValueChange
Capital Group20,902,019$6.3BINCREASED
FMR15,023,962$4.5BINCREASED
Vanguard13,831,694$4.2BINCREASED
BlackRock10,907,675$3.3BINCREASED
T. Rowe Price6,791,374$2.0BINCREASED

Recent Congressional Trades

MemberTypeAmountDate
Cory BookerSALE$1,001 - $15,0002026-08-11

Full institutional holdings, insider history, and congressional trades for Alnylam Pharmaceuticals, Inc. on SentiSense.