Alnylam Pharmaceuticals, Inc.
ALNY- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001178670
No open-market purchases or sales by Alnylam Pharmaceuticals, Inc. insiders were filed in the last 90 days; 794 institutions reported holding it in 13F filings for Q2 2026, worth $40.1B in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 653
- +35 vs. Q1 2025
- Shares held
- 132.1M
- +2.77M (+2.1%) vs. Q1 2025
- Total value
- $43.1B
- +$8.27B (+23.8%) vs. Q1 2025
- New holders
- 98
- 262 more added
- Sold out
- 63
- 214 more reduced
7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALNY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 794 | $40.1B |
| Q1 2026 | 793 | $43.4B |
| Q4 2025 | 852 | $52.7B |
| Q3 2025 | 823 | $59.2B |
| Q2 2025 | 653 | $43.1B |
| Q1 2025 | 625 | $34.8B |
| Q4 2024 | 594 | $30.1B |
| Q3 2024 | 569 | $34.1B |
| Q2 2024 | 525 | $29.1B |
| Q1 2024 | 499 | $17.2B |
| Q4 2023 | 501 | $22.4B |
| Q3 2023 | 454 | $20.9B |
| Q2 2023 | 477 | $22.5B |
| Q1 2023 | 478 | $24.0B |
| Q4 2022 | 489 | $28.4B |
| Q3 2022 | 497 | $26.7B |
| Q2 2022 | 424 | $16.6B |
| Q1 2022 | 443 | $18.6B |
| Q4 2021 | 435 | $19.0B |
| Q3 2021 | 407 | $21.1B |
| Q2 2021 | 401 | $19.0B |
| Q1 2021 | 391 | $15.4B |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Steel Peak Wealth Management LLC | 2,808 | $915.5K | 0.04% | +81+3.0% | Added |
| Summit Trail Advisors, LLC | 2,809 | $916.0K | 0.02% | +1,006+55.8% | Added |
| Vestcor Inc | 2,836 | $925.0K | 0.03% | +375+15.2% | Added |
| Empowered Funds, LLC | 2,853 | $930.3K | 0.01% | −3,048−51.7% | Reduced |
| Generali Investments CEE, investicni spolecnost, a.s. | 2,900 | $945.7K | 0.08% | 00.0% | Unchanged |
| Regal Investment Advisors LLC | 2,906 | $947.7K | 0.07% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 2,917 | $951.2K | 0.00% | +1,226+72.5% | Added |
| Callan Family Office, LLC | 2,931 | $955.8K | 0.03% | +1,913+187.9% | Added |
| Everence Capital Management Inc | 2,970 | $968.0K | 0.06% | 00.0% | Unchanged |
| Mirabella Financial Services LLP | 2,970 | $972.8K | 0.10% | −8,767−74.7% | Reduced |
| Central Pacific Bank - Trust Division | 3,018 | $984.1K | 0.13% | +365+13.8% | Added |
| Grandfield & Dodd, LLC | 3,052 | $995.2K | 0.06% | +20+0.7% | Added |
| Colony Group, LLC | 3,150 | $1.03M | 0.00% | −1,068−25.3% | Reduced |
| Graham Capital Management, L.P. | 3,150 | $1.03M | 0.03% | +1,240+64.9% | Added |
| B. Metzler seel. Sohn & Co. AG | 3,233 | $1.05M | 0.01% | 00.0% | Unchanged |
| Orion Capital Management LLC | 3,240 | $1.06M | 0.40% | −100−3.0% | Reduced |
| Hall Laurie J Trustee | 3,250 | $1.06M | 0.35% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 3,302 | $1.08M | 0.02% | 00.0% | Unchanged |
| Sectoral Asset Management Inc | 3,323 | $1.08M | 0.72% | −1,882−36.2% | Reduced |
| Spectrum Planning & Advisory Services Inc. | 3,359 | $1.10M | 0.71% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 3,445 | $1.12M | 0.01% | +706+25.8% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 3,455 | $1.13M | 0.03% | +2,500+261.8% | Added |
| Kentucky Retirement Systems Insurance Trust Fund | 3,503 | $1.14M | 0.08% | −243−6.5% | Reduced |
| Captrust Financial Advisors | 3,506 | $1.14M | 0.00% | −2,875−45.1% | Reduced |
| Winton Group Ltd | 3,533 | $1.15M | 0.06% | +3,533 | New |
| E Fund Management Co., Ltd. | 3,594 | $1.17M | 0.06% | −9,114−71.7% | Reduced |
| Advisor Group Holdings, Inc. | 3,787 | $1.20M | 0.00% | +2,158+132.5% | Added |
| Sequoia Financial Advisors, LLC | 3,917 | $1.28M | 0.01% | +522+15.4% | Added |
| Vident Advisory, LLC | 3,925 | $1.28M | 0.01% | +1,258+47.2% | Added |
| Values First Advisors, Inc. | 3,947 | $1.29M | 0.70% | −4,166−51.3% | Reduced |
| Gilbert & Cook, Inc. | 3,994 | $1.30M | 0.18% | +90+2.3% | Added |
| Howland Capital Management LLC | 4,000 | $1.30M | 0.05% | 00.0% | Unchanged |
| Truist Financial Corp | 4,007 | $1.31M | 0.00% | +383+10.6% | Added |
| Sanctuary Advisors, LLC | 4,072 | $1.33M | 0.01% | +782+23.8% | Added |
| Plato Investment Management Ltd | 4,113 | $1.34M | 0.10% | −546−11.7% | Reduced |
| Prudential PLC | 4,112 | $1.34M | 0.01% | +2,065+100.9% | Added |
| Ci Investments Inc. | 4,115 | $1.34M | 0.01% | +1,894+85.3% | Added |
| Brandywine Managers, LLC | 4,218 | $1.38M | 1.37% | −130−3.0% | Reduced |
| AustralianSuper Pty Ltd | 4,218 | $1.38M | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 4,241 | $1.38M | 0.00% | −1,599−27.4% | Reduced |
| Atria Investments LLC | 4,276 | $1.39M | 0.02% | +72+1.7% | Added |
| Atlantic Trust, LLC | 4,280 | $1.40M | 0.26% | +288+7.2% | Added |
| Brinker Capital Investments, LLC | 4,309 | $1.41M | 0.01% | +452+11.7% | Added |
| RSM US Wealth Management LLC | 4,403 | $1.44M | 0.02% | +221+5.3% | Added |
| Intech Investment Management LLC | 4,408 | $1.44M | 0.01% | −1,490−25.3% | Reduced |
| Omers Administration Corp | 4,517 | $1.47M | 0.01% | 00.0% | Unchanged |
| Commerce Bank | 4,536 | $1.48M | 0.01% | −21−0.5% | Reduced |
| Advisors Asset Management, Inc. | 4,545 | $1.48M | 0.03% | −1,306−22.3% | Reduced |
| Inceptionr LLC | 4,576 | $1.49M | 0.35% | +3,238+242.0% | Added |
| Metis Global Partners, LLC | 4,637 | $1.51M | 0.04% | −929−16.7% | Reduced |
| US Bancorp | 4,700 | $1.53M | 0.00% | +110+2.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 4,775 | $1.56M | 0.01% | −1,759−26.9% | Reduced |
| SummitTX Capital, L.P. | 4,800 | $1.57M | 0.07% | −1,526−24.1% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 5,005 | $1.63M | 0.04% | +5,005 | New |
| Burney Co | 5,142 | $1.68M | 0.06% | −1,060−17.1% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 5,118 | $1.70M | 0.00% | −9,286−64.5% | Reduced |
| NEOS Investment Management LLC | 5,301 | $1.73M | 0.02% | −1,174−18.1% | Reduced |
| Tema ETFs LLC | 5,301 | $1.73M | 0.46% | −1,174−18.1% | Reduced |
| Knollwood Investment Advisory, LLC | 5,355 | $1.75M | 0.17% | 00.0% | Unchanged |
| CIBC World Markets Corp | 5,417 | $1.77M | 0.01% | −451−7.7% | Reduced |
| CIBC Asset Management Inc | 5,458 | $1.78M | 0.01% | +36+0.7% | Added |
| CWM, LLC | 5,512 | $1.80M | 0.01% | −11,152−66.9% | Reduced |
| Toroso Investments, LLC | 5,574 | $1.82M | 0.01% | −553−9.0% | Reduced |
| E. Ohman J:or Asset Management AB | 5,700 | $1.86M | 0.05% | −100−1.7% | Reduced |
| Verition Fund Management LLC | 5,703 | $1.86M | 0.01% | −5,076−47.1% | Reduced |
| Banque Cantonale Vaudoise | 5,743 | $1.87M | 0.08% | +2,015+54.1% | Added |
| AG2R la Mondiale Gestion D'Actifs | 5,825 | $1.90M | 0.10% | 00.0% | Unchanged |
| Gateway Investment Advisers LLC | 5,889 | $1.92M | 0.02% | −651−10.0% | Reduced |
| Maryland State Retirement & Pension System | 6,021 | $1.96M | 0.04% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 6,076 | $1.98M | 0.01% | −222−3.5% | Reduced |
| Thematics Asset Management | 6,118 | $2.00M | 0.09% | +6,118 | New |
| Ieq Capital, LLC | 6,122 | $2.00M | 0.01% | −37,892−86.1% | Reduced |
| Hussman Strategic Advisors, Inc. | 6,300 | $2.05M | 0.47% | −2,100−25.0% | Reduced |
| Profund Advisors LLC | 6,418 | $2.09M | 0.08% | −2,408−27.3% | Reduced |
| O'Shaughnessy Asset Management, LLC | 6,436 | $2.10M | 0.01% | +2,633+69.2% | Added |
| Gulf International Bank (UK) Ltd | 6,495 | $2.12M | 0.07% | −869−11.8% | Reduced |
| Sivik Global Healthcare LLC | 6,500 | $2.12M | 0.95% | +6,500 | New |
| Motley Fool Asset Management LLC | 6,652 | $2.17M | 0.10% | +623+10.3% | Added |
| J.P. Marvel Investment Advisors, LLC | 6,824 | $2.23M | 0.36% | +2,824+70.6% | Added |
| Andra AP-fonden | 6,900 | $2.25M | 0.03% | −9,900−58.9% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 6,912 | $2.25M | 0.02% | +1,570+29.4% | Added |
| Portman Square Capital LLP | 6,967 | $2.27M | 0.24% | −5,562−44.4% | Reduced |
| Shell Asset Management Co | 7,257 | $2.37M | 0.08% | +1,602+28.3% | Added |
| Federation des caisses Desjardins du Quebec | 7,549 | $2.46M | 0.01% | −1,873−19.9% | Reduced |
| Voloridge Investment Management, LLC | 7,702 | $2.51M | 0.01% | −54,600−87.6% | Reduced |
| Acadian Asset Management LLC | 7,719 | $2.52M | 0.01% | −1,258−14.0% | Reduced |
| Advisory Services Network, LLC | 6,415 | $2.52M | 0.04% | −7,101−52.5% | Reduced |
| Lazard Asset Management LLC | 7,750 | $2.53M | 0.00% | −4,138−34.8% | Reduced |
| MetLife Investment Management | 7,761 | $2.53M | 0.01% | +466+6.4% | Added |
| Man Group plc | 8,109 | $2.64M | 0.01% | +1,038+14.7% | Added |
| M&T Bank Corp | 8,203 | $2.67M | 0.01% | +335+4.3% | Added |
| Genus Capital Management Inc. | 8,230 | $2.68M | 0.34% | +2,100+34.3% | Added |
| Nisa Investment Advisors, LLC | 8,242 | $2.69M | 0.01% | +87+1.1% | Added |
| Kentucky Retirement Systems | 8,253 | $2.69M | 0.08% | −541−6.2% | Reduced |
| La Banque Postale Asset Management SA | 8,322 | $2.71M | 0.04% | +8,322 | New |
| Jefferies Financial Group Inc. | 8,342 | $2.72M | 0.04% | −7,005−45.6% | Reduced |
| Schroder Investment Management Group | 8,580 | $2.80M | 0.00% | −19,203−69.1% | Reduced |
| Raiffeisen Bank International AG | 8,904 | $2.87M | 0.04% | +8,904 | New |
| ASR Vermogensbeheer N.V. | 8,926 | $2.91M | 0.04% | +163+1.9% | Added |
| St Germain D J Co Inc | 8,994 | $2.93M | 0.13% | +8,994 | New |