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 |
|---|---|---|---|---|---|
| Transamerica Financial Advisors, Inc. | 8,288 | $2.50M | 0.21% | −1,015−10.9% | Reduced |
| Elyxium Wealth, LLC | 8,229 | $2.48M | 0.26% | +8,229 | New |
| Vestmark Advisory Solutions, Inc. | 8,217 | $2.47M | 0.02% | −1,372−14.3% | Reduced |
| Allstate Corp | 8,185 | $2.46M | 0.02% | +1,850+29.2% | Added |
| Mercer Global Advisors Inc | 8,156 | $2.46M | 0.00% | −423−4.9% | Reduced |
| Bank of Nova Scotia | 8,130 | $2.45M | 0.00% | +332+4.3% | Added |
| M&T Bank Corp | 8,071 | $2.43M | 0.01% | −166−2.0% | Reduced |
| Kentucky Retirement Systems | 8,002 | $2.41M | 0.06% | +8,002 | New |
| Pacer Advisors, Inc. | 7,982 | $2.40M | 0.01% | +3,504+78.2% | Added |
| Quantitative Investment Management, LLC | 7,981 | $2.40M | 0.26% | +4,124+106.9% | Added |
| J. Safra Sarasin Holding AG | 7,921 | $2.38M | 0.03% | +4,691+145.2% | Added |
| O'Shaughnessy Asset Management, LLC | 7,910 | $2.38M | 0.01% | −1,727−17.9% | Reduced |
| US Bancorp | 7,888 | $2.37M | 0.00% | +507+6.9% | Added |
| Winton Group Ltd | 7,880 | $2.37M | 0.08% | +7,880 | New |
| St Germain D J Co Inc | 7,834 | $2.36M | 0.08% | −18−0.2% | Reduced |
| AIA Group Ltd | 7,742 | $2.33M | 0.03% | 00.0% | Unchanged |
| Prudential PLC | 7,696 | $2.32M | 0.02% | 00.0% | Unchanged |
| Abn Amro Investment Solutions | 7,557 | $2.27M | 0.02% | +1,790+31.0% | Added |
| Concurrent Investment Advisors, LLC | 7,521 | $2.26M | 0.02% | +6,576+695.9% | Added |
| PKO Investment Management Joint-Stock Co | 7,500 | $2.26M | 0.16% | +700+10.3% | Added |
| Wealth Enhancement Advisory Services, LLC | 7,494 | $2.24M | 0.00% | −984−11.6% | Reduced |
| Pathstone Holdings, LLC | 7,417 | $2.23M | 0.01% | +345+4.9% | Added |
| MetLife Investment Management | 7,410 | $2.23M | 0.01% | −390−5.0% | Reduced |
| S&CO Inc | 7,400 | $2.23M | 0.13% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 7,303 | $2.20M | 0.09% | +1,325+22.2% | Added |
| CIBC World Markets Inc. | 7,221 | $2.17M | 0.00% | +7,221 | New |
| Maryland State Retirement & Pension System | 7,141 | $2.15M | 0.04% | +795+12.5% | Added |
| J.P. Marvel Investment Advisors, LLC | 7,105 | $2.14M | 0.25% | 00.0% | Unchanged |
| BI Asset Management Fondsmaeglerselskab A/S | 7,097 | $2.14M | 0.02% | +1,400+24.6% | Added |
| MUFG Securities EMEA plc | 6,758 | $2.03M | 0.02% | +6,758 | New |
| Atria Investments LLC | 6,676 | $2.01M | 0.02% | −3,198−32.4% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 6,561 | $1.98M | 0.04% | −4,800−42.2% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 6,512 | $1.96M | 0.07% | +307+4.9% | Added |
| Capital Group Investment Management Pte. Ltd. | 6,474 | $1.95M | 0.29% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 6,356 | $1.91M | 0.02% | +42+0.7% | Added |
| Fisher Asset Management, LLC | 6,252 | $1.88M | 0.00% | +207+3.4% | Added |
| Boothbay Fund Management, LLC | 6,235 | $1.88M | 0.04% | +6,235 | New |
| PEAK6 LLC | 6,231 | $1.88M | 0.05% | −3,485−35.9% | Reduced |
| Rockefeller Capital Management L.P. | 6,216 | $1.87M | 0.00% | −221−3.4% | Reduced |
| E Fund Management Co., Ltd. | 6,073 | $1.83M | 0.04% | −10.0% | Reduced |
| Vestcor Inc | 6,060 | $1.82M | 0.05% | +741+13.9% | Added |
| Walleye Trading LLC | 6,037 | $1.82M | 0.03% | +281+4.9% | Added |
| Vontobel Holding Ltd. | 6,018 | $1.81M | 0.01% | +542+9.9% | Added |
| Legato Capital Management LLC | 6,004 | $1.81M | 0.15% | −510−7.8% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 5,873 | $1.77M | 0.04% | −57−1.0% | Reduced |
| XTX Topco Ltd | 5,810 | $1.75M | 0.02% | +5,810 | New |
| Sterling Capital Management LLC | 5,687 | $1.71M | 0.03% | +505+9.7% | Added |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 5,588 | $1.68M | 0.49% | +5,588 | New |
| Two Sigma Securities, LLC | 5,585 | $1.68M | 0.15% | +5,585 | New |
| Vident Advisory, LLC | 5,518 | $1.66M | 0.01% | −939−14.5% | Reduced |
| Aware Super Pty Ltd as trustee of Aware Super | 5,473 | $1.65M | 0.02% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 5,446 | $1.64M | 0.01% | +733+15.6% | Added |
| ASR Vermogensbeheer N.V. | 5,375 | $1.62M | 0.02% | −5,848−52.1% | Reduced |
| Tokio Marine Asset Management Co Ltd | 5,316 | $1.60M | 0.05% | +36+0.7% | Added |
| FORA Capital, LLC | 5,209 | $1.57M | 0.11% | +738+16.5% | Added |
| Principal Financial Group Inc | 5,204 | $1.57M | 0.00% | −445−7.9% | Reduced |
| Voleon Capital Management LP | 5,202 | $1.57M | 0.03% | −18,872−78.4% | Reduced |
| Ethic Inc. | 5,172 | $1.56M | 0.02% | +1,303+33.7% | Added |
| Norinchukin Bank, The | 5,171 | $1.56M | 0.02% | +212+4.3% | Added |
| Ishara Investments LP | 5,125 | $1.54M | 1.15% | 00.0% | Unchanged |
| Brighton Jones LLC | 4,898 | $1.47M | 0.03% | −801−14.1% | Reduced |
| Ameritas Investment Partners, Inc. | 4,842 | $1.46M | 0.04% | +66+1.4% | Added |
| Strategic Global Advisors, LLC | 4,823 | $1.45M | 0.21% | +150+3.2% | Added |
| AustralianSuper Pty Ltd | 4,803 | $1.45M | 0.01% | 00.0% | Unchanged |
| Colony Group, LLC | 4,743 | $1.43M | 0.00% | −59−1.2% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 4,635 | $1.40M | 0.01% | −123−2.6% | Reduced |
| Azzad Asset Management Inc | 4,630 | $1.39M | 0.12% | +39+0.8% | Added |
| Blackstone Group Inc. | 4,611 | $1.39M | 0.00% | −4,164−47.5% | Reduced |
| E. Ohman J:or Asset Management AB | 4,584 | $1.38M | 0.03% | 00.0% | Unchanged |
| Howland Capital Management LLC | 4,534 | $1.36M | 0.05% | +300+7.1% | Added |
| Omers Administration Corp | 4,517 | $1.36M | 0.01% | 00.0% | Unchanged |
| Voloridge Investment Management, LLC | 4,500 | $1.35M | 0.01% | −184,717−97.6% | Reduced |
| Jump Financial, LLC | 4,470 | $1.35M | 0.01% | −14,682−76.7% | Reduced |
| Integrated Wealth Concepts LLC | 4,467 | $1.34M | 0.01% | −907−16.9% | Reduced |
| Empowered Funds, LLC | 4,355 | $1.31M | 0.01% | −1,055−19.5% | Reduced |
| Sequoia Financial Advisors, LLC | 4,347 | $1.31M | 0.01% | −213−4.7% | Reduced |
| Ambassador Advisors, LLC | 4,321 | $1.30M | 0.16% | +360+9.1% | Added |
| New York Life Investment Management LLC | 4,304 | $1.30M | 0.01% | +526+13.9% | Added |
| United Capital Financial Advisers, LLC | 4,155 | $1.25M | 0.01% | +67+1.6% | Added |
| Metis Global Partners, LLC | 4,009 | $1.21M | 0.03% | −40−1.0% | Reduced |
| Advisors Asset Management, Inc. | 3,984 | $1.20M | 0.02% | +32+0.8% | Added |
| Virginia Retirement Systems Et Al | 3,980 | $1.20M | 0.01% | +2,620+192.6% | Added |
| Atlantic Trust, LLC | 3,940 | $1.19M | 0.16% | +2+0.1% | Added |
| Gilbert & Cook, Inc. | 3,928 | $1.18M | 0.14% | −32−0.8% | Reduced |
| Generali Investments CEE, investicni spolecnost, a.s. | 3,850 | $1.16M | 0.05% | +950+32.8% | Added |
| Howard Capital Management Inc. | 3,776 | $1.14M | 0.01% | +2,206+140.5% | Added |
| North Dakota State Investment Board | 3,769 | $1.13M | 0.05% | −275−6.8% | Reduced |
| UniSuper Management Pty Ltd | 3,687 | $1.11M | 0.01% | +1,187+47.5% | Added |
| Citizens Financial Group Inc | 3,682 | $1.11M | 0.01% | +3,682 | New |
| Plato Investment Management Ltd | 3,671 | $1.10M | 0.06% | −2,578−41.3% | Reduced |
| Exchange Traded Concepts, LLC | 3,640 | $1.10M | 0.01% | +388+11.9% | Added |
| Osmosis Investment Management UK Ltd | 3,638 | $1.10M | 0.05% | −3,375−48.1% | Reduced |
| Kennedy Capital Management, Inc. | 3,607 | $1.09M | 0.02% | +104+3.0% | Added |
| Summit Trail Advisors, LLC | 3,526 | $1.06M | 0.01% | −72−2.0% | Reduced |
| Fiera Capital Corp | 3,524 | $1.06M | 0.00% | −75,298−95.5% | Reduced |
| Prudential Financial Inc | 3,511 | $1.06M | 0.00% | +555+18.8% | Added |
| Truist Financial Corp | 3,425 | $1.03M | 0.00% | −4,276−55.5% | Reduced |
| Laurion Capital Management LP | 3,391 | $1.02M | 0.07% | −1,040−23.5% | Reduced |
| Anchor Investment Management, LLC | 3,389 | $1.02M | 0.08% | +570+20.2% | Added |
| Aptus Capital Advisors, LLC | 3,389 | $1.02M | 0.01% | +1,876+124.0% | Added |