22 institutions reported holding $136.0M of ALNYLAM PHARMACEUTICALS INC (ALNY) in SEC 13F filings for 2026-06-30. Largest institutional holders: CONGRESS ASSET MANAGEMENT CO ($80.0M), Assenagon Asset Management S.A. ($46.9M), PensionDanmark Pensionsforsikringsaktieselskab ($6.8M), BANNERMAN WEALTH MANAGEMENT GROUP, LLC ($566,839), Central Pacific Bank - Trust Division ($424,356). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CONGRESS ASSET MANAGEMENT CO | $80.0M | 265,701 | Trimmed |
| 2 | Assenagon Asset Management S.A. | $46.9M | 155,695 | Added |
| 3 | PensionDanmark Pensionsforsikringsaktieselskab | $6.8M | 22,451 | New |
| 4 | BANNERMAN WEALTH MANAGEMENT GROUP, LLC | $566,839 | 1,883 | Trimmed |
| 5 | Central Pacific Bank - Trust Division | $424,356 | 224,515 | Trimmed |
| 6 | Breakwater Capital Group | $303,137 | 1,007 | Hold |
| 7 | Westmount Partners, LLC | $301,030 | 1,000 | Hold |
| 8 | GAMMA Investing LLC | $282,065 | 937 | Trimmed |
| 9 | CHAPIN DAVIS, INC. | $255,876 | 850 | Added |
| 10 | Versant Capital Management, Inc | $117,402 | 390 | Trimmed |
| 11 | MassMutual Private Wealth & Trust, FSB | $59,002 | 196 | Trimmed |
| 12 | BEACON INVESTMENT ADVISORY SERVICES, INC. | $29,802 | 99 | Trimmed |
| 13 | Dogwood Wealth Management LLC | $9,031 | 30 | Added |
| 14 | CoreCap Advisors, LLC | $5,419 | 18 | Added |
| 15 | Grove Bank & Trust | $4,214 | 14 | Trimmed |
| 16 | Retirement Wealth Solutions LLC | $1,807 | 6 | Hold |
| 17 | Beaird Harris Wealth Management, LLC | $1,205 | 4 | Hold |
| 18 | Hilltop National Bank | $0 | 0 | Exited |
| 19 | EASTERN BANK | $0 | 0 | Exited |
| 20 | SANDERS MORRIS HARRIS LLC | $0 | 0 | Exited |
| 21 | CX Institutional | $0 | 0 | Exited |
| 22 | Arlington Trust Co LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30