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 |
|---|---|---|---|---|---|
| Jump Financial, LLC | 15,145 | $3.56M | 0.07% | +15,145 | New |
| EFG Asset Management (Americas) Corp. | 14,946 | $3.52M | 0.68% | −70.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 14,731 | $3.47M | 0.01% | −11,081−42.9% | Reduced |
| Liontrust Investment Partners LLP | 14,023 | $3.30M | 0.05% | +8,940+175.9% | Added |
| Comerica Bank | 13,991 | $3.29M | 0.01% | +12,079+631.7% | Added |
| Edgestream Partners, L.P. | 13,806 | $3.25M | 0.14% | +13,806 | New |
| Cerity Partners LLC | 13,525 | $3.24M | 0.01% | +506+3.9% | Added |
| Mariner, LLC | 13,666 | $3.22M | 0.01% | +1,947+16.6% | Added |
| Aware Super Pty Ltd as trustee of Aware Super | 13,665 | $3.22M | 0.05% | +13,665 | New |
| Nisa Investment Advisors, LLC | 13,317 | $3.13M | 0.01% | +1,789+15.5% | Added |
| Elo Mutual Pension Insurance Co | 13,208 | $3.11M | 0.07% | +2,043+18.3% | Added |
| CWM, LLC | 13,191 | $3.10M | 0.01% | +6,427+95.0% | Added |
| Toroso Investments, LLC | 13,188 | $3.10M | 0.03% | −7,356−35.8% | Reduced |
| Public Employees Retirement Association of Colorado | 13,073 | $3.08M | 0.01% | −311−2.3% | Reduced |
| Portman Square Capital LLP | 12,939 | $3.04M | 0.59% | +4,426+52.0% | Added |
| Swiss Life Asset Management Ltd | 12,814 | $3.01M | 0.02% | +9,194+254.0% | Added |
| Guggenheim Capital LLC | 12,783 | $3.01M | 0.02% | −2,465−16.2% | Reduced |
| FORA Capital, LLC | 12,698 | $2.99M | 0.34% | +12,698 | New |
| Wealthfront Advisers LLC | 12,620 | $2.97M | 0.01% | +4,324+52.1% | Added |
| Wealth Enhancement Advisory Services, LLC | 12,566 | $2.96M | 0.01% | +6,112+94.7% | Added |
| Daiwa Securities Group Inc. | 12,551 | $2.95M | 0.01% | +479+4.0% | Added |
| The PNC Financial Services Group, Inc. | 12,540 | $2.95M | 0.00% | −30.0% | Reduced |
| E Fund Management Co., Ltd. | 12,295 | $2.89M | 0.15% | −342−2.7% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 12,049 | $2.83M | 0.01% | +6,678+124.3% | Added |
| Blair William & Co | 11,962 | $2.81M | 0.01% | −1,372−10.3% | Reduced |
| LMR Partners LLP | 11,901 | $2.80M | 0.05% | −55,588−82.4% | Reduced |
| Tobam | 11,784 | $2.77M | 0.85% | −19,683−62.6% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 11,755 | $2.77M | 0.03% | +3,232+37.9% | Added |
| Savant Capital, LLC | 11,738 | $2.76M | 0.02% | +4,291+57.6% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 11,611 | $2.73M | 0.03% | +30+0.3% | Added |
| Bank of Montreal | 11,607 | $2.73M | 0.00% | −10,184−46.7% | Reduced |
| Quantitative Investment Management, LLC | 11,010 | $2.59M | 0.19% | +10,208+1,272.8% | Added |
| Gotham Asset Management, LLC | 10,924 | $2.57M | 0.02% | −6,651−37.8% | Reduced |
| Susquehanna International Group, LLP | 10,817 | $2.55M | 0.00% | −152,917−93.4% | Reduced |
| Creative Planning | 10,813 | $2.54M | 0.00% | +801+8.0% | Added |
| MML Investors Services, LLC | 10,738 | $2.53M | 0.01% | +7,652+248.0% | Added |
| PEAK6 LLC | 10,702 | $2.52M | 0.10% | +10,702 | New |
| Cullen/Frost Bankers, Inc. | 10,639 | $2.50M | 0.03% | +40.0% | Added |
| Westpac Banking Corp | 10,560 | $2.48M | 0.16% | +4,819+83.9% | Added |
| Mirabella Financial Services LLP | 10,539 | $2.48M | 0.23% | +10,539 | New |
| Natixis Advisors, L.P. | 10,453 | $2.46M | 0.00% | +451+4.5% | Added |
| Principal Financial Group Inc | 10,378 | $2.44M | 0.00% | −230−2.2% | Reduced |
| Polymer Capital Management (HK) LTD | 10,313 | $2.43M | 0.43% | +10,313 | New |
| Nordea Investment Management AB | 10,188 | $2.42M | 0.00% | +637+6.7% | Added |
| LGT Fund Management Co Ltd. | 10,070 | $2.37M | 0.21% | +10,070 | New |
| Assetmark, Inc | 10,033 | $2.36M | 0.01% | +847+9.2% | Added |
| Caisse de Depot Et Placement du Quebec | 10,018 | $2.36M | 0.00% | −15,277−60.4% | Reduced |
| Stifel Financial Corp | 10,017 | $2.36M | 0.00% | +4,187+71.8% | Added |
| Gulf International Bank (UK) Ltd | 9,754 | $2.29M | 0.06% | −99−1.0% | Reduced |
| Tredje AP-fonden | 9,742 | $2.29M | 0.02% | −9,741−50.0% | Reduced |
| Profund Advisors LLC | 9,695 | $2.28M | 0.08% | −2,379−19.7% | Reduced |
| Traynor Capital Management, Inc. | 9,350 | $2.20M | 0.17% | +2,101+29.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 9,130 | $2.16M | 0.01% | −1,298−12.4% | Reduced |
| Federation des caisses Desjardins du Quebec | 9,081 | $2.13M | 0.01% | −9,735−51.7% | Reduced |
| Mediolanum International Funds Ltd | 9,063 | $2.13M | 0.03% | −1,135−11.1% | Reduced |
| Values First Advisors, Inc. | 8,992 | $2.12M | 1.16% | +202+2.3% | Added |
| Perpetual Ltd | 8,931 | $2.10M | 0.02% | +4,819+117.2% | Added |
| Mackenzie Financial Corp | 8,859 | $2.08M | 0.00% | −10,832−55.0% | Reduced |
| M&T Bank Corp | 8,608 | $2.03M | 0.01% | −37−0.4% | Reduced |
| JustInvest LLC | 8,574 | $2.02M | 0.03% | −404−4.5% | Reduced |
| Amalgamated Bank | 8,484 | $2.00M | 0.02% | +205+2.5% | Added |
| Employees Retirement System of Texas | 8,403 | $1.98M | 0.02% | 00.0% | Unchanged |
| Sectoral Asset Management Inc | 8,300 | $1.95M | 1.30% | −1,390−14.3% | Reduced |
| Garda Capital Partners LP | 8,143 | $1.92M | 1.54% | +8,143 | New |
| Empowered Funds, LLC | 7,630 | $1.80M | 0.03% | +566+8.0% | Added |
| Intech Investment Management LLC | 7,573 | $1.78M | 0.02% | +428+6.0% | Added |
| Hudson Bay Capital Management LP | 7,500 | $1.76M | 0.01% | −10,762−58.9% | Reduced |
| Gateway Investment Advisers LLC | 7,383 | $1.74M | 0.02% | +1,222+19.8% | Added |
| Wolverine Trading, LLC | 7,323 | $1.73M | 0.04% | +7,323 | New |
| MetLife Investment Management | 7,304 | $1.72M | 0.01% | −14−0.2% | Reduced |
| Investment Management Corp of Ontario | 7,099 | $1.67M | 0.06% | +40+0.6% | Added |
| Sivik Global Healthcare LLC | 7,000 | $1.65M | 0.91% | +7,000 | New |
| Maryland State Retirement & Pension System | 6,990 | $1.64M | 0.04% | −203−2.8% | Reduced |
| Commonwealth Equity Services, LLC | 6,537 | $1.54M | 0.00% | +1,234+23.3% | Added |
| Bridgewater Associates, LP | 6,452 | $1.52M | 0.01% | +4,450+222.3% | Added |
| Captrust Financial Advisors | 6,414 | $1.51M | 0.00% | +1,581+32.7% | Added |
| Advisory Services Network, LLC | 6,268 | $1.47M | 0.03% | −301−4.6% | Reduced |
| Pathstone Holdings, LLC | 6,183 | $1.45M | 0.01% | −66−1.1% | Reduced |
| ProShare Advisors LLC | 6,110 | $1.44M | 0.00% | −1,476−19.5% | Reduced |
| E. Ohman J:or Asset Management AB | 6,100 | $1.44M | 0.03% | +700+13.0% | Added |
| Shell Asset Management Co | 5,992 | $1.41M | 0.06% | −205−3.3% | Reduced |
| Achmea Investment Management B.V. | 5,847 | $1.38M | 0.02% | +105+1.8% | Added |
| New York State Teachers Retirement System | 5,836 | $1.37M | 0.00% | +553+10.5% | Added |
| CIBC World Markets Corp | 5,810 | $1.37M | 0.01% | −1,561−21.2% | Reduced |
| Sanctuary Advisors, LLC | 4,915 | $1.36M | 0.01% | +357+7.8% | Added |
| S&CO Inc | 5,750 | $1.35M | 0.09% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 5,647 | $1.33M | 0.02% | +880+18.5% | Added |
| Plato Investment Management Ltd | 5,547 | $1.31M | 0.10% | +845+18.0% | Added |
| Tower Research Capital LLC (TRC) | 5,381 | $1.27M | 0.03% | +4,840+894.6% | Added |
| Knollwood Investment Advisory, LLC | 5,355 | $1.26M | 0.13% | 00.0% | Unchanged |
| Omers Administration Corp | 5,252 | $1.24M | 0.01% | +891+20.4% | Added |
| CIBC Asset Management Inc | 5,134 | $1.21M | 0.00% | +651+14.5% | Added |
| Silvercrest Asset Management Group LLC | 4,891 | $1.15M | 0.01% | +4,891 | New |
| Ethic Inc. | 4,886 | $1.15M | 0.02% | +910+22.9% | Added |
| Simplex Trading, LLC | 4,829 | $1.14M | 0.03% | +4,829 | New |
| Prelude Capital Management, LLC | 4,813 | $1.13M | 0.10% | −20−0.4% | Reduced |
| US Bancorp | 4,782 | $1.13M | 0.00% | −796−14.3% | Reduced |
| Cetera Investment Advisers | 4,770 | $1.12M | 0.00% | +1,902+66.3% | Added |
| RSM US Wealth Management LLC | 4,748 | $1.12M | 0.02% | +378+8.6% | Added |
| Metis Global Partners, LLC | 4,727 | $1.11M | 0.03% | +347+7.9% | Added |