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 |
|---|---|---|---|---|---|
| Nixon Peabody Trust Co | 3,300 | $493.2K | 0.05% | 00.0% | Unchanged |
| Hall Laurie J Trustee | 3,250 | $486.0K | 0.17% | 00.0% | Unchanged |
| Paloma Partners Management Co | 3,250 | $485.7K | 0.07% | +3,250 | New |
| Regal Investment Advisors LLC | 3,216 | $480.6K | 0.03% | +251+8.5% | Added |
| Cerity Partners LLC | 3,192 | $477.0K | 0.00% | +3,192 | New |
| GraniteShares Advisors LLC | 3,177 | $474.8K | 0.25% | +387+13.9% | Added |
| World Equity Group, Inc. | 3,155 | $471.5K | 0.10% | +142+4.7% | Added |
| Headlands Technologies LLC | 3,150 | $470.8K | 0.11% | +3,150 | New |
| Raymond James Financial Services Advisors, Inc. | 3,107 | $464.3K | 0.00% | +810+35.3% | Added |
| Corton Capital Inc. | 3,004 | $448.9K | 0.17% | −1,823−37.8% | Reduced |
| Aquila Investment Management LLC | 3,000 | $448.4K | 0.38% | 00.0% | Unchanged |
| Fox Run Management, L.L.C. | 2,988 | $446.6K | 0.10% | +1,532+105.2% | Added |
| Los Angeles Capital Management LLC | 2,959 | $442.2K | 0.00% | −14,069−82.6% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 2,947 | $440.4K | 0.00% | +548+22.8% | Added |
| Metis Global Partners, LLC | 2,940 | $439.4K | 0.02% | −1,442−32.9% | Reduced |
| Sequoia Financial Advisors, LLC | 2,910 | $434.9K | 0.01% | −4,804−62.3% | Reduced |
| Alberta Investment Management Corp | 2,900 | $433.4K | 0.00% | −4,275−59.6% | Reduced |
| Horizon Kinetics Asset Management LLC | 2,880 | $430.4K | 0.01% | 00.0% | Unchanged |
| Prudential PLC | 2,873 | $429.4K | 0.00% | −1,994−41.0% | Reduced |
| Greenleaf Trust | 2,863 | $427.9K | 0.00% | −75−2.6% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 2,843 | $424.9K | 0.03% | +988+53.3% | Added |
| Aigen Investment Management, LP | 2,827 | $422.5K | 0.09% | −21,717−88.5% | Reduced |
| E Fund Management Co., Ltd. | 2,814 | $420.6K | 0.03% | −526−15.7% | Reduced |
| Janney Montgomery Scott LLC | 2,775 | $415.0K | 0.00% | +892+47.4% | Added |
| Scientech Research LLC | 2,688 | $401.7K | 0.21% | +2,688 | New |
| Veriti Management LLC | 2,656 | $396.9K | 0.03% | −242−8.4% | Reduced |
| Harbor Capital Advisors, Inc. | 2,568 | $384.0K | 0.05% | −370−12.6% | Reduced |
| Pictet & Cie (Europe) SA | 2,562 | $382.9K | 0.01% | +835+48.3% | Added |
| Degroof Petercam Asset Management | 2,520 | $376.6K | 0.00% | 00.0% | Unchanged |
| Moloney Securities Asset Management, LLC | 2,389 | $357.0K | 0.05% | +2,389 | New |
| Truist Financial Corp | 2,351 | $351.4K | 0.00% | −127−5.1% | Reduced |
| Integrated Wealth Concepts LLC | 2,320 | $346.7K | 0.01% | +31+1.4% | Added |
| Parallax Volatility Advisers, L.P. | 2,237 | $334.3K | 0.01% | +2,237 | New |
| New York Life Investment Management LLC | 2,218 | $331.5K | 0.00% | +20+0.9% | Added |
| O'Shaughnessy Asset Management, LLC | 2,181 | $325.9K | 0.00% | +191+9.6% | Added |
| Asahi Life Asset Management Co., Ltd. | 2,150 | $321.3K | 0.19% | +2,150 | New |
| 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 |
| Moody Aldrich Partners LLC | 2,138 | $319.5K | 0.05% | −1,147−34.9% | Reduced |
| Monograph Wealth Advisors, LLC | 2,126 | $317.7K | 0.05% | −12−0.6% | Reduced |
| Altfest L J & Co Inc | 2,100 | $314.0K | 0.05% | +27+1.3% | Added |
| Emerald Advisers, LLC | 2,070 | $309.4K | 0.01% | −24−1.1% | Reduced |
| Gotham Asset Management, LLC | 2,047 | $305.9K | 0.00% | −8,762−81.1% | Reduced |
| Proficio Capital Partners LLC | 2,046 | $305.8K | 0.03% | +2,046 | New |
| Virtus ETF Advisers LLC | 2,043 | $305.3K | 0.16% | +294+16.8% | Added |
| Vestcor Inc | 2,038 | $305.0K | 0.01% | −755−27.0% | 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 |
| Investment Management Corp of Ontario | 1,985 | $296.7K | 0.01% | −900−31.2% | Reduced |
| Motley Fool Asset Management LLC | 1,960 | $292.9K | 0.02% | −75−3.7% | Reduced |
| Bleakley Financial Group, LLC | 1,938 | $289.6K | 0.01% | −88−4.3% | Reduced |
| Simplicity Wealth,LLC | 1,934 | $289.0K | 0.01% | +1,934 | New |
| American International Group, Inc. | 1,883 | $281.4K | 0.00% | 00.0% | Unchanged |
| Bridgefront Capital, LLC | 1,869 | $279.3K | 0.21% | +1,869 | New |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 1,905 | $277.7K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 1,850 | $276.5K | 0.04% | +1,408+318.6% | Added |
| Jefferies Financial Group Inc. | 1,842 | $275.3K | 0.01% | +1,696+1,161.6% | Added |
| Ontario Teachers Pension Plan Board | 1,833 | $273.9K | 0.00% | +1,833 | New |
| UniSuper Management Pty Ltd | 1,800 | $269.0K | 0.00% | +900+100.0% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 1,760 | $263.0K | 0.01% | +380+27.5% | Added |
| Tower Research Capital LLC (TRC) | 1,735 | $259.3K | 0.01% | −4,937−74.0% | Reduced |
| EntryPoint Capital, LLC | 1,724 | $257.7K | 0.23% | +711+70.2% | Added |
| CWM, LLC | 1,722 | $257.0K | 0.00% | −41,678−96.0% | Reduced |
| Oppenheimer & Co Inc | 1,716 | $256.5K | 0.00% | −2,663−60.8% | Reduced |
| Acadian Asset Management LLC | 1,659 | $247.0K | 0.00% | +386+30.3% | Added |
| Beacon Pointe Advisors, LLC | 1,636 | $244.5K | 0.00% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 1,635 | $244.4K | 0.00% | +144+9.7% | Added |
| Cantor Fitzgerald, L. P. | 1,584 | $236.7K | 0.06% | +1,584 | New |
| Advisor Group Holdings, Inc. | 1,563 | $233.6K | 0.00% | −2,032−56.5% | Reduced |
| Vident Advisory, LLC | 1,561 | $233.3K | 0.00% | −308−16.5% | Reduced |
| Kennedy Capital Management, Inc. | 1,548 | $231.3K | 0.00% | +1,548 | New |
| Humankind Investments LLC | 1,532 | $229.0K | 0.06% | +262+20.6% | Added |
| Mutual of America Capital Management LLC | 1,519 | $227.0K | 0.00% | 00.0% | Unchanged |
| North Star Asset Management Inc | 1,510 | $225.7K | 0.01% | −5−0.3% | Reduced |
| High Net Worth Advisory Group LLC | 1,500 | $224.2K | 0.07% | 00.0% | Unchanged |
| Cipher Capital LP | 1,490 | $222.7K | 0.10% | +1,490 | New |
| Ieq Capital, LLC | 1,490 | $222.7K | 0.00% | +1,490 | New |
| Winton Group Ltd | 1,471 | $219.8K | 0.02% | +1,471 | New |
| Westpac Banking Corp | 1,467 | $219.2K | 0.02% | −45−3.0% | Reduced |
| Forum Financial Management, LP | 1,457 | $217.7K | 0.00% | 00.0% | Unchanged |
| Wetherby Asset Management Inc | 1,446 | $216.1K | 0.01% | −177−10.9% | Reduced |
| Abbrea Capital, LLC | 1,425 | $213.0K | 0.03% | 00.0% | Unchanged |
| Envestnet Portfolio Solutions, Inc. | 1,409 | $210.6K | 0.00% | +41+3.0% | Added |
| Pearl River Capital, LLC | 1,400 | $209.2K | 0.03% | −2,476−63.9% | Reduced |
| Stevens Capital Management LP | 1,390 | $208.0K | 0.04% | +1,390 | New |
| Kestra Advisory Services, LLC | 1,359 | $203.1K | 0.00% | +91+7.2% | Added |
| Cigna Investments Inc | 1,352 | $202.0K | 0.04% | +30+2.3% | Added |
| Oxford Asset Management LLP | 1,344 | $200.9K | 0.22% | −1,720−56.1% | Reduced |
| Peregrine Capital Management LLC | 1,147 | $171.4K | 0.00% | 00.0% | Unchanged |
| Ossiam | 1,105 | $165.1K | 0.00% | −882−44.4% | Reduced |
| Plante Moran Financial Advisors, LLC | 1,100 | $164.4K | 0.02% | 00.0% | Unchanged |
| Signaturefd, LLC | 1,099 | $164.2K | 0.00% | −90−7.6% | Reduced |
| Rakuten Investment Management, Inc. | 1,086 | $162.3K | 0.00% | +996+1,106.7% | Added |
| Central Pacific Bank - Trust Division | 1,050 | $161.0K | 0.02% | +1,050 | New |
| Quarry LP | 1,000 | $149.4K | 0.06% | +1,000 | New |
| TD Waterhouse Canada Inc. | 845 | $130.8K | 0.00% | +31+3.8% | Added |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 850 | $127.0K | 0.05% | 00.0% | Unchanged |
| Covestor Ltd | 732 | $110.0K | 0.07% | +375+105.0% | Added |
| Steward Partners Investment Advisory, LLC | 715 | $106.9K | 0.00% | +235+49.0% | Added |
| Natixis | 682 | $101.9K | 0.00% | +682 | New |