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
Congress Asset Management265,701$80MDECREASED
Robeco Institutional Asset Management B.V188,084$57MINCREASED
Assenagon Asset Management155,695$47MINCREASED
Handelsbanken Fonder AB107,255$32MDECREASED
Swedbank AB61,894$19MDECREASED

Recent Insider Trades

InsiderTypeSharesValueDate
Benjamin Cravatt (Director)AWARD4,393$1M2026-06-01
David E I Pyott (Director)EXERCISE3,8302026-06-01
David E I Pyott (Director)SELL17$5K2026-06-01
David E I Pyott (Director)SELL495$149K2026-06-01
David E I Pyott (Director)SELL1,222$366K2026-06-01

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