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 2026
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 2026. 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
- 794
- +8 vs. Q1 2026
- Shares held
- 133.4M
- +2.17M (+1.7%) vs. Q1 2026
- Total value
- $40.1B
- −$3.18B (−7.4%) vs. Q1 2026
- New holders
- 88
- 322 more added
- Sold out
- 80
- 285 more reduced
7 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Summit Trail Advisors, LLC | 3,526 | $1.06M | 0.01% | −72−2.0% | Reduced |
| Kennedy Capital Management, Inc. | 3,607 | $1.09M | 0.02% | +104+3.0% | Added |
| Osmosis Investment Management UK Ltd | 3,638 | $1.10M | 0.05% | −3,375−48.1% | Reduced |
| Exchange Traded Concepts, LLC | 3,640 | $1.10M | 0.01% | +388+11.9% | Added |
| Plato Investment Management Ltd | 3,671 | $1.10M | 0.06% | −2,578−41.3% | Reduced |
| Citizens Financial Group Inc | 3,682 | $1.11M | 0.01% | +3,682 | New |
| UniSuper Management Pty Ltd | 3,687 | $1.11M | 0.01% | +1,187+47.5% | Added |
| North Dakota State Investment Board | 3,769 | $1.13M | 0.05% | −275−6.8% | Reduced |
| Howard Capital Management Inc. | 3,776 | $1.14M | 0.01% | +2,206+140.5% | Added |
| Generali Investments CEE, investicni spolecnost, a.s. | 3,850 | $1.16M | 0.05% | +950+32.8% | Added |
| Gilbert & Cook, Inc. | 3,928 | $1.18M | 0.14% | −32−0.8% | Reduced |
| Atlantic Trust, LLC | 3,940 | $1.19M | 0.16% | +2+0.1% | Added |
| Virginia Retirement Systems Et Al | 3,980 | $1.20M | 0.01% | +2,620+192.6% | Added |
| Advisors Asset Management, Inc. | 3,984 | $1.20M | 0.02% | +32+0.8% | Added |
| Metis Global Partners, LLC | 4,009 | $1.21M | 0.03% | −40−1.0% | Reduced |
| United Capital Financial Advisers, LLC | 4,155 | $1.25M | 0.01% | +67+1.6% | Added |
| New York Life Investment Management LLC | 4,304 | $1.30M | 0.01% | +526+13.9% | Added |
| Ambassador Advisors, LLC | 4,321 | $1.30M | 0.16% | +360+9.1% | Added |
| Sequoia Financial Advisors, LLC | 4,347 | $1.31M | 0.01% | −213−4.7% | Reduced |
| Empowered Funds, LLC | 4,355 | $1.31M | 0.01% | −1,055−19.5% | Reduced |
| Integrated Wealth Concepts LLC | 4,467 | $1.34M | 0.01% | −907−16.9% | Reduced |
| Jump Financial, LLC | 4,470 | $1.35M | 0.01% | −14,682−76.7% | Reduced |
| Voloridge Investment Management, LLC | 4,500 | $1.35M | 0.01% | −184,717−97.6% | Reduced |
| Omers Administration Corp | 4,517 | $1.36M | 0.01% | 00.0% | Unchanged |
| Howland Capital Management LLC | 4,534 | $1.36M | 0.05% | +300+7.1% | Added |
| E. Ohman J:or Asset Management AB | 4,584 | $1.38M | 0.03% | 00.0% | Unchanged |
| Blackstone Group Inc. | 4,611 | $1.39M | 0.00% | −4,164−47.5% | Reduced |
| Azzad Asset Management Inc | 4,630 | $1.39M | 0.12% | +39+0.8% | Added |
| Envestnet Portfolio Solutions, Inc. | 4,635 | $1.40M | 0.01% | −123−2.6% | Reduced |
| Colony Group, LLC | 4,743 | $1.43M | 0.00% | −59−1.2% | Reduced |
| AustralianSuper Pty Ltd | 4,803 | $1.45M | 0.01% | 00.0% | Unchanged |
| Strategic Global Advisors, LLC | 4,823 | $1.45M | 0.21% | +150+3.2% | Added |
| Ameritas Investment Partners, Inc. | 4,842 | $1.46M | 0.04% | +66+1.4% | Added |
| Brighton Jones LLC | 4,898 | $1.47M | 0.03% | −801−14.1% | Reduced |
| Ishara Investments LP | 5,125 | $1.54M | 1.15% | 00.0% | Unchanged |
| Norinchukin Bank, The | 5,171 | $1.56M | 0.02% | +212+4.3% | Added |
| Ethic Inc. | 5,172 | $1.56M | 0.02% | +1,303+33.7% | Added |
| Voleon Capital Management LP | 5,202 | $1.57M | 0.03% | −18,872−78.4% | Reduced |
| Principal Financial Group Inc | 5,204 | $1.57M | 0.00% | −445−7.9% | Reduced |
| FORA Capital, LLC | 5,209 | $1.57M | 0.11% | +738+16.5% | Added |
| Tokio Marine Asset Management Co Ltd | 5,316 | $1.60M | 0.05% | +36+0.7% | Added |
| ASR Vermogensbeheer N.V. | 5,375 | $1.62M | 0.02% | −5,848−52.1% | Reduced |
| Brinker Capital Investments, LLC | 5,446 | $1.64M | 0.01% | +733+15.6% | Added |
| Aware Super Pty Ltd as trustee of Aware Super | 5,473 | $1.65M | 0.02% | 00.0% | Unchanged |
| Vident Advisory, LLC | 5,518 | $1.66M | 0.01% | −939−14.5% | Reduced |
| Two Sigma Securities, LLC | 5,585 | $1.68M | 0.15% | +5,585 | New |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 5,588 | $1.68M | 0.49% | +5,588 | New |
| Sterling Capital Management LLC | 5,687 | $1.71M | 0.03% | +505+9.7% | Added |
| XTX Topco Ltd | 5,810 | $1.75M | 0.02% | +5,810 | New |
| Dai-Ichi Life Insurance Company, Ltd | 5,873 | $1.77M | 0.04% | −57−1.0% | Reduced |
| Legato Capital Management LLC | 6,004 | $1.81M | 0.15% | −510−7.8% | Reduced |
| Vontobel Holding Ltd. | 6,018 | $1.81M | 0.01% | +542+9.9% | Added |
| Walleye Trading LLC | 6,037 | $1.82M | 0.03% | +281+4.9% | Added |
| Vestcor Inc | 6,060 | $1.82M | 0.05% | +741+13.9% | Added |
| E Fund Management Co., Ltd. | 6,073 | $1.83M | 0.04% | −10.0% | Reduced |
| Rockefeller Capital Management L.P. | 6,216 | $1.87M | 0.00% | −221−3.4% | Reduced |
| PEAK6 LLC | 6,231 | $1.88M | 0.05% | −3,485−35.9% | Reduced |
| Boothbay Fund Management, LLC | 6,235 | $1.88M | 0.04% | +6,235 | New |
| Fisher Asset Management, LLC | 6,252 | $1.88M | 0.00% | +207+3.4% | Added |
| Advisory Services Network, LLC | 6,356 | $1.91M | 0.02% | +42+0.7% | Added |
| Capital Group Investment Management Pte. Ltd. | 6,474 | $1.95M | 0.29% | 00.0% | Unchanged |
| AG2R la Mondiale Gestion D'Actifs | 6,512 | $1.96M | 0.07% | +307+4.9% | Added |
| Y-Intercept (Hong Kong) Ltd | 6,561 | $1.98M | 0.04% | −4,800−42.2% | Reduced |
| Atria Investments LLC | 6,676 | $2.01M | 0.02% | −3,198−32.4% | Reduced |
| MUFG Securities EMEA plc | 6,758 | $2.03M | 0.02% | +6,758 | New |
| BI Asset Management Fondsmaeglerselskab A/S | 7,097 | $2.14M | 0.02% | +1,400+24.6% | Added |
| J.P. Marvel Investment Advisors, LLC | 7,105 | $2.14M | 0.25% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 7,141 | $2.15M | 0.04% | +795+12.5% | Added |
| CIBC World Markets Inc. | 7,221 | $2.17M | 0.00% | +7,221 | New |
| Banque Cantonale Vaudoise | 7,303 | $2.20M | 0.09% | +1,325+22.2% | Added |
| S&CO Inc | 7,400 | $2.23M | 0.13% | 00.0% | Unchanged |
| MetLife Investment Management | 7,410 | $2.23M | 0.01% | −390−5.0% | Reduced |
| Pathstone Holdings, LLC | 7,417 | $2.23M | 0.01% | +345+4.9% | Added |
| Wealth Enhancement Advisory Services, LLC | 7,494 | $2.24M | 0.00% | −984−11.6% | Reduced |
| PKO Investment Management Joint-Stock Co | 7,500 | $2.26M | 0.16% | +700+10.3% | Added |
| Concurrent Investment Advisors, LLC | 7,521 | $2.26M | 0.02% | +6,576+695.9% | Added |
| Abn Amro Investment Solutions | 7,557 | $2.27M | 0.02% | +1,790+31.0% | Added |
| Prudential PLC | 7,696 | $2.32M | 0.02% | 00.0% | Unchanged |
| AIA Group Ltd | 7,742 | $2.33M | 0.03% | 00.0% | Unchanged |
| St Germain D J Co Inc | 7,834 | $2.36M | 0.08% | −18−0.2% | Reduced |
| Winton Group Ltd | 7,880 | $2.37M | 0.08% | +7,880 | New |
| US Bancorp | 7,888 | $2.37M | 0.00% | +507+6.9% | Added |
| O'Shaughnessy Asset Management, LLC | 7,910 | $2.38M | 0.01% | −1,727−17.9% | Reduced |
| J. Safra Sarasin Holding AG | 7,921 | $2.38M | 0.03% | +4,691+145.2% | Added |
| Quantitative Investment Management, LLC | 7,981 | $2.40M | 0.26% | +4,124+106.9% | Added |
| Pacer Advisors, Inc. | 7,982 | $2.40M | 0.01% | +3,504+78.2% | Added |
| Kentucky Retirement Systems | 8,002 | $2.41M | 0.06% | +8,002 | New |
| M&T Bank Corp | 8,071 | $2.43M | 0.01% | −166−2.0% | Reduced |
| Bank of Nova Scotia | 8,130 | $2.45M | 0.00% | +332+4.3% | Added |
| Mercer Global Advisors Inc | 8,156 | $2.46M | 0.00% | −423−4.9% | Reduced |
| Allstate Corp | 8,185 | $2.46M | 0.02% | +1,850+29.2% | Added |
| Vestmark Advisory Solutions, Inc. | 8,217 | $2.47M | 0.02% | −1,372−14.3% | Reduced |
| Elyxium Wealth, LLC | 8,229 | $2.48M | 0.26% | +8,229 | New |
| Transamerica Financial Advisors, Inc. | 8,288 | $2.50M | 0.21% | −1,015−10.9% | Reduced |
| Nomura Holdings Inc | 8,336 | $2.51M | 0.01% | −5,963−41.7% | Reduced |
| Employees Retirement System of Texas | 8,403 | $2.53M | 0.02% | 00.0% | Unchanged |
| Zacks Investment Management | 8,417 | $2.53M | 0.02% | +560+7.1% | Added |
| Federation des caisses Desjardins du Quebec | 8,591 | $2.59M | 0.01% | −3,140−26.8% | Reduced |
| Louisiana State Employees Retirement System | 8,600 | $2.59M | 0.04% | −100−1.1% | Reduced |
| NewEdge Wealth, LLC | 9,094 | $2.74M | 0.03% | −107−1.2% | Reduced |