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, Q1 2024
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Mar 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
- 499
- +6 vs. Q4 2023
- Shares held
- 114.8M
- −2.25M (−1.9%) vs. Q4 2023
- Total value
- $17.2B
- −$5.24B (−23.4%) vs. Q4 2023
- New holders
- 71
- 204 more added
- Sold out
- 65
- 151 more reduced
8 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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, Q1 2024
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Steward Partners Investment Advisory, LLC | 715 | $106.9K | 0.00% | +235+49.0% | Added |
| Covestor Ltd | 732 | $110.0K | 0.07% | +375+105.0% | Added |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 850 | $127.0K | 0.05% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 845 | $130.8K | 0.00% | +31+3.8% | Added |
| Quarry LP | 1,000 | $149.4K | 0.06% | +1,000 | New |
| Central Pacific Bank - Trust Division | 1,050 | $161.0K | 0.02% | +1,050 | New |
| Rakuten Investment Management, Inc. | 1,086 | $162.3K | 0.00% | +996+1,106.7% | Added |
| Signaturefd, LLC | 1,099 | $164.2K | 0.00% | −90−7.6% | Reduced |
| Plante Moran Financial Advisors, LLC | 1,100 | $164.4K | 0.02% | 00.0% | Unchanged |
| Ossiam | 1,105 | $165.1K | 0.00% | −882−44.4% | Reduced |
| Peregrine Capital Management LLC | 1,147 | $171.4K | 0.00% | 00.0% | Unchanged |
| Oxford Asset Management LLP | 1,344 | $200.9K | 0.22% | −1,720−56.1% | Reduced |
| Cigna Investments Inc | 1,352 | $202.0K | 0.04% | +30+2.3% | Added |
| Kestra Advisory Services, LLC | 1,359 | $203.1K | 0.00% | +91+7.2% | Added |
| Stevens Capital Management LP | 1,390 | $208.0K | 0.04% | +1,390 | New |
| Pearl River Capital, LLC | 1,400 | $209.2K | 0.03% | −2,476−63.9% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 1,409 | $210.6K | 0.00% | +41+3.0% | Added |
| Abbrea Capital, LLC | 1,425 | $213.0K | 0.03% | 00.0% | Unchanged |
| Wetherby Asset Management Inc | 1,446 | $216.1K | 0.01% | −177−10.9% | Reduced |
| Forum Financial Management, LP | 1,457 | $217.7K | 0.00% | 00.0% | Unchanged |
| Westpac Banking Corp | 1,467 | $219.2K | 0.02% | −45−3.0% | Reduced |
| Winton Group Ltd | 1,471 | $219.8K | 0.02% | +1,471 | New |
| Cipher Capital LP | 1,490 | $222.7K | 0.10% | +1,490 | New |
| Ieq Capital, LLC | 1,490 | $222.7K | 0.00% | +1,490 | New |
| High Net Worth Advisory Group LLC | 1,500 | $224.2K | 0.07% | 00.0% | Unchanged |
| North Star Asset Management Inc | 1,510 | $225.7K | 0.01% | −5−0.3% | Reduced |
| Mutual of America Capital Management LLC | 1,519 | $227.0K | 0.00% | 00.0% | Unchanged |
| Humankind Investments LLC | 1,532 | $229.0K | 0.06% | +262+20.6% | Added |
| Kennedy Capital Management, Inc. | 1,548 | $231.3K | 0.00% | +1,548 | New |
| Vident Advisory, LLC | 1,561 | $233.3K | 0.00% | −308−16.5% | Reduced |
| Advisor Group Holdings, Inc. | 1,563 | $233.6K | 0.00% | −2,032−56.5% | Reduced |
| Cantor Fitzgerald, L. P. | 1,584 | $236.7K | 0.06% | +1,584 | New |
| Yousif Capital Management, LLC | 1,635 | $244.4K | 0.00% | +144+9.7% | Added |
| Beacon Pointe Advisors, LLC | 1,636 | $244.5K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 1,659 | $247.0K | 0.00% | +386+30.3% | Added |
| Oppenheimer & Co Inc | 1,716 | $256.5K | 0.00% | −2,663−60.8% | Reduced |
| CWM, LLC | 1,722 | $257.0K | 0.00% | −41,678−96.0% | Reduced |
| EntryPoint Capital, LLC | 1,724 | $257.7K | 0.23% | +711+70.2% | Added |
| Tower Research Capital LLC (TRC) | 1,735 | $259.3K | 0.01% | −4,937−74.0% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 1,760 | $263.0K | 0.01% | +380+27.5% | Added |
| UniSuper Management Pty Ltd | 1,800 | $269.0K | 0.00% | +900+100.0% | Added |
| Ontario Teachers Pension Plan Board | 1,833 | $273.9K | 0.00% | +1,833 | New |
| Jefferies Financial Group Inc. | 1,842 | $275.3K | 0.01% | +1,696+1,161.6% | Added |
| Leonteq Securities AG | 1,850 | $276.5K | 0.04% | +1,408+318.6% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 1,905 | $277.7K | 0.00% | 00.0% | Unchanged |
| Bridgefront Capital, LLC | 1,869 | $279.3K | 0.21% | +1,869 | New |
| American International Group, Inc. | 1,883 | $281.4K | 0.00% | 00.0% | Unchanged |
| Simplicity Wealth,LLC | 1,934 | $289.0K | 0.01% | +1,934 | New |
| Bleakley Financial Group, LLC | 1,938 | $289.6K | 0.01% | −88−4.3% | Reduced |
| Motley Fool Asset Management LLC | 1,960 | $292.9K | 0.02% | −75−3.7% | Reduced |
| Investment Management Corp of Ontario | 1,985 | $296.7K | 0.01% | −900−31.2% | Reduced |
| Farallon Capital Management, L.L.C. | 2,000 | $298.9K | 0.00% | 00.0% | Unchanged |
| Security National Bank of So Dak | 2,000 | $298.9K | 0.18% | 00.0% | Unchanged |
| Vestcor Inc | 2,038 | $305.0K | 0.01% | −755−27.0% | Reduced |
| Virtus ETF Advisers LLC | 2,043 | $305.3K | 0.16% | +294+16.8% | Added |
| Proficio Capital Partners LLC | 2,046 | $305.8K | 0.03% | +2,046 | New |
| Gotham Asset Management, LLC | 2,047 | $305.9K | 0.00% | −8,762−81.1% | Reduced |
| Emerald Advisers, LLC | 2,070 | $309.4K | 0.01% | −24−1.1% | Reduced |
| Altfest L J & Co Inc | 2,100 | $314.0K | 0.05% | +27+1.3% | Added |
| Monograph Wealth Advisors, LLC | 2,126 | $317.7K | 0.05% | −12−0.6% | Reduced |
| Moody Aldrich Partners LLC | 2,138 | $319.5K | 0.05% | −1,147−34.9% | Reduced |
| Brinker Capital Investments, LLC | 2,145 | $320.6K | 0.00% | −384−15.2% | Reduced |
| Orion Portfolio Solutions, LLC | 2,145 | $320.6K | 0.00% | −384−15.2% | Reduced |
| Asahi Life Asset Management Co., Ltd. | 2,150 | $321.3K | 0.19% | +2,150 | New |
| O'Shaughnessy Asset Management, LLC | 2,181 | $325.9K | 0.00% | +191+9.6% | Added |
| New York Life Investment Management LLC | 2,218 | $331.5K | 0.00% | +20+0.9% | Added |
| Parallax Volatility Advisers, L.P. | 2,237 | $334.3K | 0.01% | +2,237 | New |
| Integrated Wealth Concepts LLC | 2,320 | $346.7K | 0.01% | +31+1.4% | Added |
| Truist Financial Corp | 2,351 | $351.4K | 0.00% | −127−5.1% | Reduced |
| Moloney Securities Asset Management, LLC | 2,389 | $357.0K | 0.05% | +2,389 | New |
| Degroof Petercam Asset Management | 2,520 | $376.6K | 0.00% | 00.0% | Unchanged |
| Pictet & Cie (Europe) SA | 2,562 | $382.9K | 0.01% | +835+48.3% | Added |
| Harbor Capital Advisors, Inc. | 2,568 | $384.0K | 0.05% | −370−12.6% | Reduced |
| Veriti Management LLC | 2,656 | $396.9K | 0.03% | −242−8.4% | Reduced |
| Scientech Research LLC | 2,688 | $401.7K | 0.21% | +2,688 | New |
| Janney Montgomery Scott LLC | 2,775 | $415.0K | 0.00% | +892+47.4% | Added |
| E Fund Management Co., Ltd. | 2,814 | $420.6K | 0.03% | −526−15.7% | Reduced |
| Aigen Investment Management, LP | 2,827 | $422.5K | 0.09% | −21,717−88.5% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 2,843 | $424.9K | 0.03% | +988+53.3% | Added |
| Greenleaf Trust | 2,863 | $427.9K | 0.00% | −75−2.6% | Reduced |
| Prudential PLC | 2,873 | $429.4K | 0.00% | −1,994−41.0% | Reduced |
| Horizon Kinetics Asset Management LLC | 2,880 | $430.4K | 0.01% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 2,900 | $433.4K | 0.00% | −4,275−59.6% | Reduced |
| Sequoia Financial Advisors, LLC | 2,910 | $434.9K | 0.01% | −4,804−62.3% | Reduced |
| Metis Global Partners, LLC | 2,940 | $439.4K | 0.02% | −1,442−32.9% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 2,947 | $440.4K | 0.00% | +548+22.8% | Added |
| Los Angeles Capital Management LLC | 2,959 | $442.2K | 0.00% | −14,069−82.6% | Reduced |
| Fox Run Management, L.L.C. | 2,988 | $446.6K | 0.10% | +1,532+105.2% | Added |
| Aquila Investment Management LLC | 3,000 | $448.4K | 0.38% | 00.0% | Unchanged |
| Corton Capital Inc. | 3,004 | $448.9K | 0.17% | −1,823−37.8% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 3,107 | $464.3K | 0.00% | +810+35.3% | Added |
| Headlands Technologies LLC | 3,150 | $470.8K | 0.11% | +3,150 | New |
| World Equity Group, Inc. | 3,155 | $471.5K | 0.10% | +142+4.7% | Added |
| GraniteShares Advisors LLC | 3,177 | $474.8K | 0.25% | +387+13.9% | Added |
| Cerity Partners LLC | 3,192 | $477.0K | 0.00% | +3,192 | New |
| Regal Investment Advisors LLC | 3,216 | $480.6K | 0.03% | +251+8.5% | Added |
| Paloma Partners Management Co | 3,250 | $485.7K | 0.07% | +3,250 | New |
| Hall Laurie J Trustee | 3,250 | $486.0K | 0.17% | 00.0% | Unchanged |
| Nixon Peabody Trust Co | 3,300 | $493.2K | 0.05% | 00.0% | Unchanged |
| Quantitative Investment Management, LLC | 3,469 | $518.0K | 0.03% | +3,469 | New |