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, Q4 2024
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Dec 31, 2024. 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
- 594
- +35 vs. Q3 2024
- Shares held
- 127.8M
- +4.29M (+3.5%) vs. Q3 2024
- Total value
- $30.1B
- −$3.90B (−11.5%) vs. Q3 2024
- New holders
- 98
- 239 more added
- Sold out
- 63
- 180 more reduced
10 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ethic Inc. | 4,886 | $1.15M | 0.02% | +910+22.9% | Added |
| Silvercrest Asset Management Group LLC | 4,891 | $1.15M | 0.01% | +4,891 | New |
| CIBC Asset Management Inc | 5,134 | $1.21M | 0.00% | +651+14.5% | Added |
| Omers Administration Corp | 5,252 | $1.24M | 0.01% | +891+20.4% | Added |
| Knollwood Investment Advisory, LLC | 5,355 | $1.26M | 0.13% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 5,381 | $1.27M | 0.03% | +4,840+894.6% | Added |
| Plato Investment Management Ltd | 5,547 | $1.31M | 0.10% | +845+18.0% | Added |
| Advisors Asset Management, Inc. | 5,647 | $1.33M | 0.02% | +880+18.5% | Added |
| S&CO Inc | 5,750 | $1.35M | 0.09% | 00.0% | Unchanged |
| Sanctuary Advisors, LLC | 4,915 | $1.36M | 0.01% | +357+7.8% | Added |
| CIBC World Markets Corp | 5,810 | $1.37M | 0.01% | −1,561−21.2% | Reduced |
| New York State Teachers Retirement System | 5,836 | $1.37M | 0.00% | +553+10.5% | Added |
| Achmea Investment Management B.V. | 5,847 | $1.38M | 0.02% | +105+1.8% | Added |
| Shell Asset Management Co | 5,992 | $1.41M | 0.06% | −205−3.3% | Reduced |
| E. Ohman J:or Asset Management AB | 6,100 | $1.44M | 0.03% | +700+13.0% | Added |
| ProShare Advisors LLC | 6,110 | $1.44M | 0.00% | −1,476−19.5% | Reduced |
| Pathstone Holdings, LLC | 6,183 | $1.45M | 0.01% | −66−1.1% | Reduced |
| Advisory Services Network, LLC | 6,268 | $1.47M | 0.03% | −301−4.6% | Reduced |
| Captrust Financial Advisors | 6,414 | $1.51M | 0.00% | +1,581+32.7% | Added |
| Bridgewater Associates, LP | 6,452 | $1.52M | 0.01% | +4,450+222.3% | Added |
| Commonwealth Equity Services, LLC | 6,537 | $1.54M | 0.00% | +1,234+23.3% | Added |
| Maryland State Retirement & Pension System | 6,990 | $1.64M | 0.04% | −203−2.8% | Reduced |
| Sivik Global Healthcare LLC | 7,000 | $1.65M | 0.91% | +7,000 | New |
| Investment Management Corp of Ontario | 7,099 | $1.67M | 0.06% | +40+0.6% | Added |
| MetLife Investment Management | 7,304 | $1.72M | 0.01% | −14−0.2% | Reduced |
| Wolverine Trading, LLC | 7,323 | $1.73M | 0.04% | +7,323 | New |
| Gateway Investment Advisers LLC | 7,383 | $1.74M | 0.02% | +1,222+19.8% | Added |
| Hudson Bay Capital Management LP | 7,500 | $1.76M | 0.01% | −10,762−58.9% | Reduced |
| Intech Investment Management LLC | 7,573 | $1.78M | 0.02% | +428+6.0% | Added |
| Empowered Funds, LLC | 7,630 | $1.80M | 0.03% | +566+8.0% | Added |
| Garda Capital Partners LP | 8,143 | $1.92M | 1.54% | +8,143 | New |
| Sectoral Asset Management Inc | 8,300 | $1.95M | 1.30% | −1,390−14.3% | Reduced |
| Employees Retirement System of Texas | 8,403 | $1.98M | 0.02% | 00.0% | Unchanged |
| Amalgamated Bank | 8,484 | $2.00M | 0.02% | +205+2.5% | Added |
| JustInvest LLC | 8,574 | $2.02M | 0.03% | −404−4.5% | Reduced |
| M&T Bank Corp | 8,608 | $2.03M | 0.01% | −37−0.4% | Reduced |
| Mackenzie Financial Corp | 8,859 | $2.08M | 0.00% | −10,832−55.0% | Reduced |
| Perpetual Ltd | 8,931 | $2.10M | 0.02% | +4,819+117.2% | Added |
| Values First Advisors, Inc. | 8,992 | $2.12M | 1.16% | +202+2.3% | Added |
| Mediolanum International Funds Ltd | 9,063 | $2.13M | 0.03% | −1,135−11.1% | Reduced |
| Federation des caisses Desjardins du Quebec | 9,081 | $2.13M | 0.01% | −9,735−51.7% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 9,130 | $2.16M | 0.01% | −1,298−12.4% | Reduced |
| Traynor Capital Management, Inc. | 9,350 | $2.20M | 0.17% | +2,101+29.0% | Added |
| Profund Advisors LLC | 9,695 | $2.28M | 0.08% | −2,379−19.7% | Reduced |
| Tredje AP-fonden | 9,742 | $2.29M | 0.02% | −9,741−50.0% | Reduced |
| Gulf International Bank (UK) Ltd | 9,754 | $2.29M | 0.06% | −99−1.0% | Reduced |
| Stifel Financial Corp | 10,017 | $2.36M | 0.00% | +4,187+71.8% | Added |
| Caisse de Depot Et Placement du Quebec | 10,018 | $2.36M | 0.00% | −15,277−60.4% | Reduced |
| Assetmark, Inc | 10,033 | $2.36M | 0.01% | +847+9.2% | Added |
| LGT Fund Management Co Ltd. | 10,070 | $2.37M | 0.21% | +10,070 | New |
| Nordea Investment Management AB | 10,188 | $2.42M | 0.00% | +637+6.7% | Added |
| Polymer Capital Management (HK) LTD | 10,313 | $2.43M | 0.43% | +10,313 | New |
| Principal Financial Group Inc | 10,378 | $2.44M | 0.00% | −230−2.2% | Reduced |
| Natixis Advisors, L.P. | 10,453 | $2.46M | 0.00% | +451+4.5% | Added |
| Mirabella Financial Services LLP | 10,539 | $2.48M | 0.23% | +10,539 | New |
| Westpac Banking Corp | 10,560 | $2.48M | 0.16% | +4,819+83.9% | Added |
| Cullen/Frost Bankers, Inc. | 10,639 | $2.50M | 0.03% | +40.0% | Added |
| PEAK6 LLC | 10,702 | $2.52M | 0.10% | +10,702 | New |
| MML Investors Services, LLC | 10,738 | $2.53M | 0.01% | +7,652+248.0% | Added |
| Creative Planning | 10,813 | $2.54M | 0.00% | +801+8.0% | Added |
| Susquehanna International Group, LLP | 10,817 | $2.55M | 0.00% | −152,917−93.4% | Reduced |
| Gotham Asset Management, LLC | 10,924 | $2.57M | 0.02% | −6,651−37.8% | Reduced |
| Quantitative Investment Management, LLC | 11,010 | $2.59M | 0.19% | +10,208+1,272.8% | Added |
| Bank of Montreal | 11,607 | $2.73M | 0.00% | −10,184−46.7% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 11,611 | $2.73M | 0.03% | +30+0.3% | Added |
| Savant Capital, LLC | 11,738 | $2.76M | 0.02% | +4,291+57.6% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 11,755 | $2.77M | 0.03% | +3,232+37.9% | Added |
| Tobam | 11,784 | $2.77M | 0.85% | −19,683−62.6% | Reduced |
| LMR Partners LLP | 11,901 | $2.80M | 0.05% | −55,588−82.4% | Reduced |
| Blair William & Co | 11,962 | $2.81M | 0.01% | −1,372−10.3% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 12,049 | $2.83M | 0.01% | +6,678+124.3% | Added |
| E Fund Management Co., Ltd. | 12,295 | $2.89M | 0.15% | −342−2.7% | Reduced |
| The PNC Financial Services Group, Inc. | 12,540 | $2.95M | 0.00% | −30.0% | Reduced |
| Daiwa Securities Group Inc. | 12,551 | $2.95M | 0.01% | +479+4.0% | Added |
| Wealth Enhancement Advisory Services, LLC | 12,566 | $2.96M | 0.01% | +6,112+94.7% | Added |
| Wealthfront Advisers LLC | 12,620 | $2.97M | 0.01% | +4,324+52.1% | Added |
| FORA Capital, LLC | 12,698 | $2.99M | 0.34% | +12,698 | New |
| Guggenheim Capital LLC | 12,783 | $3.01M | 0.02% | −2,465−16.2% | Reduced |
| Swiss Life Asset Management Ltd | 12,814 | $3.01M | 0.02% | +9,194+254.0% | Added |
| Portman Square Capital LLP | 12,939 | $3.04M | 0.59% | +4,426+52.0% | Added |
| Public Employees Retirement Association of Colorado | 13,073 | $3.08M | 0.01% | −311−2.3% | Reduced |
| Toroso Investments, LLC | 13,188 | $3.10M | 0.03% | −7,356−35.8% | Reduced |
| CWM, LLC | 13,191 | $3.10M | 0.01% | +6,427+95.0% | Added |
| Elo Mutual Pension Insurance Co | 13,208 | $3.11M | 0.07% | +2,043+18.3% | Added |
| Nisa Investment Advisors, LLC | 13,317 | $3.13M | 0.01% | +1,789+15.5% | Added |
| Aware Super Pty Ltd as trustee of Aware Super | 13,665 | $3.22M | 0.05% | +13,665 | New |
| Mariner, LLC | 13,666 | $3.22M | 0.01% | +1,947+16.6% | Added |
| Cerity Partners LLC | 13,525 | $3.24M | 0.01% | +506+3.9% | Added |
| Edgestream Partners, L.P. | 13,806 | $3.25M | 0.14% | +13,806 | New |
| Comerica Bank | 13,991 | $3.29M | 0.01% | +12,079+631.7% | Added |
| Liontrust Investment Partners LLP | 14,023 | $3.30M | 0.05% | +8,940+175.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 14,731 | $3.47M | 0.01% | −11,081−42.9% | Reduced |
| EFG Asset Management (Americas) Corp. | 14,946 | $3.52M | 0.68% | −70.0% | Reduced |
| Jump Financial, LLC | 15,145 | $3.56M | 0.07% | +15,145 | New |
| Jupiter Asset Management Ltd | 15,435 | $3.63M | 0.04% | +6,288+68.7% | Added |
| Fiera Capital Corp | 15,970 | $3.76M | 0.01% | +15,970 | New |
| Nissay Asset Management Corp | 15,947 | $3.79M | 0.02% | +324+2.1% | Added |
| Silvant Capital Management LLC | 16,195 | $3.81M | 0.16% | 00.0% | Unchanged |
| NEOS Investment Management LLC | 16,323 | $3.84M | 0.09% | −1,853−10.2% | Reduced |
| Tema ETFs LLC | 16,323 | $3.84M | 1.59% | +16,323 | New |