ALNY — ALNYLAM PHARMACEUTICALS INC

Ownership history in Advisor OS, LLC  ·  1 quarter on record

This page tracks every 13F SEC filing in which Advisor OS, LLC reported a position in ALNYLAM PHARMACEUTICALS INC (ALNY). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.02% (2025 Q3)
Avg. % of fund
0.02%
First filed
2025 Q3
Last filed
2025 Q3
Quarters held
1
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 INITIATED 461 — — 0.02% $210K $456.00
% of Fund (quarterly)    ALNY price (monthly, adj. close)

Other funds also holding ALNY

As of 2025 Q4 — sorted by position size

FengHe Fund Management Pte. Ltd. 3Y 4.9% Bellevue Group AG 3Y 7Y 3.36% ROSENBLUM SILVERMAN SUTTON S F INC /CA 3Y 7Y 3.05% Orbis Allan Gray Ltd 3Y 7Y 2.7% 683 Capital Management, LLC 3Y 7Y 2.44% Avidity Partners Management LP 3Y 2.41% ORBIMED ADVISORS LLC 3Y 7Y 2.34% Polymer Capital Management (HK) LTD 2.08% Casdin Capital, LLC 3Y 7Y 1.85% Parkman Healthcare Partners LLC 3Y 1.81%
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