ALNYLAM PHARMACEUTICALS INC COM is a security (CUSIP 02043Q957) tracked across SEC portfolio filings. 5 institutional managers reported $19.1M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $8.2M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $6.0M | — |
| JPMORGAN CHASE & CO | NEW YORK, NY | $3.8M | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $1.0M | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |