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 2021
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 2021. 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
- 401
- +11 vs. Q1 2021
- Shares held
- 112.3M
- +3.08M (+2.8%) vs. Q1 2021
- Total value
- $19.0B
- +$3.63B (+23.5%) vs. Q1 2021
- New holders
- 55
- 139 more added
- Sold out
- 44
- 133 more reduced
1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| B. Metzler seel. Sohn & Co. Holding AG | 1,945 | $330.0K | 0.00% | +468+31.7% | Added |
| Fox Run Management, L.L.C. | 1,947 | $330.0K | 0.30% | +1,947 | New |
| Vestcor Inc | 1,963 | $333.0K | 0.01% | +1,963 | New |
| Global Retirement Partners, LLC | 1,972 | $334.0K | 0.03% | +160+8.8% | Added |
| J.P. Marvel Investment Advisors, LLC | 2,000 | $339.0K | 0.07% | −400−16.7% | Reduced |
| Segall Bryant & Hamill, LLC | 2,000 | $339.0K | 0.00% | −9−0.4% | Reduced |
| North Star Asset Management Inc | 2,000 | $339.0K | 0.02% | 00.0% | Unchanged |
| Nixon Peabody Trust Co | 2,000 | $339.0K | 0.13% | 00.0% | Unchanged |
| Toroso Investments, LLC | 2,001 | $339.0K | 0.01% | +2,001 | New |
| Leonteq Securities AG | 2,023 | $342.9K | 0.03% | −892−30.6% | Reduced |
| Corient Capital Partners, LLC | 2,028 | $344.0K | 0.03% | +198+10.8% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 2,042 | $346.0K | 0.00% | −5−0.2% | Reduced |
| Two Sigma Securities, LLC | 2,066 | $350.0K | 0.09% | +2,066 | New |
| Cetera Advisor Networks LLC | 2,065 | $350.0K | 0.00% | +2,065 | New |
| Tower Research Capital LLC (TRC) | 2,078 | $352.0K | 0.01% | +793+61.7% | Added |
| Vontobel Holding Ltd. | 2,131 | $354.0K | 0.00% | −45−2.1% | Reduced |
| QS Investors, LLC | 2,124 | $361.0K | 0.00% | −200−8.6% | Reduced |
| Argent Trust Co | 2,158 | $366.0K | 0.02% | +139+6.9% | Added |
| Private Advisor Group, LLC | 2,224 | $377.0K | 0.00% | +788+54.9% | Added |
| JustInvest LLC | 2,229 | $378.0K | 0.04% | +2,229 | New |
| Walleye Trading LLC | 2,251 | $382.0K | 0.01% | +1,597+244.2% | Added |
| Fifth Third Bancorp | 2,341 | $397.0K | 0.00% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 2,339 | $397.0K | 0.01% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 2,473 | $419.0K | 0.01% | +558+29.1% | Added |
| American International Group, Inc. | 2,479 | $420.0K | 0.00% | −110−4.2% | Reduced |
| Redpoint Investment Management Pty Ltd | 2,490 | $422.0K | 0.03% | 00.0% | Unchanged |
| AlphaCrest Capital Management LLC | 2,637 | $447.0K | 0.02% | −294−10.0% | Reduced |
| Advisory Research Inc | 2,652 | $450.0K | 0.03% | +519+24.3% | Added |
| Quantbot Technologies LP | 2,664 | $451.0K | 0.04% | +2,664 | New |
| FORA Capital, LLC | 2,664 | $452.0K | 0.08% | +2,664 | New |
| Gsa Capital Partners LLP | 2,732 | $463.0K | 0.05% | +1,122+69.7% | Added |
| Driehaus Capital Management LLC | 2,779 | $471.0K | 0.01% | −29−1.0% | Reduced |
| Spearhead Capital Advisors, LLC | 2,829 | $480.0K | 0.07% | +402+16.6% | Added |
| Davenport & Co LLC | 2,884 | $489.0K | 0.00% | +2,884 | New |
| BP PLC | 2,921 | $495.0K | 0.02% | −1,178−28.7% | Reduced |
| Virtus ETF Advisers LLC | 2,996 | $508.0K | 0.21% | −1,725−36.5% | Reduced |
| Clearstead Advisors, LLC | 3,000 | $509.0K | 0.04% | 00.0% | Unchanged |
| Horizon Kinetics Asset Management LLC | 3,000 | $509.0K | 0.01% | 00.0% | Unchanged |
| Virtu Financial LLC | 3,092 | $524.0K | 0.05% | +3,092 | New |
| Banque Cantonale Vaudoise | 3,100 | $526.0K | 0.02% | 00.0% | Unchanged |
| Agf Investments Inc. | 3,151 | $534.0K | 0.00% | +2,035+182.3% | Added |
| Greenleaf Trust | 3,187 | $540.0K | 0.01% | +40+1.3% | Added |
| Aigen Investment Management, LP | 3,283 | $557.0K | 0.10% | +3,283 | New |
| IBM Retirement Fund | 3,316 | $562.0K | 0.04% | −613−15.6% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 3,357 | $569.0K | 0.01% | 00.0% | Unchanged |
| Kornitzer Capital Management Inc | 3,360 | $570.0K | 0.01% | −2,400−41.7% | Reduced |
| Citizens Business Bank | 3,500 | $593.0K | 0.08% | 00.0% | Unchanged |
| M&T Bank Corp | 3,557 | $604.0K | 0.00% | −120−3.3% | Reduced |
| Sanders Morris Harris LLC | 3,500 | $610.0K | 0.12% | 00.0% | Unchanged |
| Robeco Institutional Asset Management B.V. | 3,602 | $611.0K | 0.00% | −5,208−59.1% | Reduced |
| Franklin Resources Inc | 3,605 | $611.0K | 0.00% | +515+16.7% | Added |
| Spectrum Planning & Advisory Services Inc. | 3,635 | $616.0K | 0.59% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 3,685 | $625.0K | 0.01% | −1,232−25.1% | Reduced |
| Nomura Holdings Inc | 3,722 | $631.0K | 0.01% | −2,700−42.0% | Reduced |
| Hall Laurie J Trustee | 3,800 | $644.0K | 0.24% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 3,871 | $656.0K | 0.01% | +246+6.8% | Added |
| Shell Asset Management Co | 3,927 | $666.0K | 0.01% | +960+32.4% | Added |
| Emerald Advisers, LLC | 4,089 | $693.0K | 0.03% | 00.0% | Unchanged |
| Prudential Financial Inc | 4,107 | $697.0K | 0.00% | −27−0.7% | Reduced |
| Brewin Dolphin Ltd | 4,145 | $702.7K | 0.03% | −4,000−49.1% | Reduced |
| Gateway Investment Advisers LLC | 4,244 | $719.0K | 0.01% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 4,351 | $738.0K | 0.00% | +11+0.3% | Added |
| Commonwealth Equity Services, LLC | 4,372 | $741.0K | 0.00% | −444−9.2% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 4,544 | $770.0K | 0.00% | +95+2.1% | Added |
| Brandywine Managers, LLC | 4,608 | $781.0K | 0.89% | 00.0% | Unchanged |
| Schroder Investment Management Group | 4,656 | $789.0K | 0.00% | +911+24.3% | Added |
| Centiva Capital, LP | 4,676 | $793.0K | 0.06% | +4,676 | New |
| SG3 Management, LLC | 5,000 | $848.0K | 0.36% | +1,000+25.0% | Added |
| Nordea Investment Management AB | 5,152 | $873.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 5,168 | $876.0K | 0.00% | +604+13.2% | Added |
| Bradley Foster & Sargent Inc | 5,223 | $885.0K | 0.02% | −1,622−23.7% | Reduced |
| Aevitas Wealth Management, Inc. | 5,457 | $925.0K | 0.59% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 5,798 | $983.0K | 0.01% | −2,015−25.8% | Reduced |
| Allstate Corp | 5,814 | $986.0K | 0.03% | −375−6.1% | Reduced |
| Commerce Bank | 5,841 | $990.0K | 0.01% | +53+0.9% | Added |
| Panagora Asset Management Inc | 6,009 | $1.02M | 0.01% | −411−6.4% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 6,029 | $1.02M | 0.02% | −28−0.5% | Reduced |
| Bridgewater Associates, LP | 6,099 | $1.03M | 0.01% | +6,099 | New |
| Susquehanna Fundamental Investments, LLC | 6,288 | $1.07M | 0.02% | −17,733−73.8% | Reduced |
| Values First Advisors, Inc. | 6,304 | $1.07M | 0.73% | −130−2.0% | Reduced |
| Cushing Asset Management, LP | 6,345 | $1.08M | 0.10% | −160−2.5% | Reduced |
| HRT Financial LP | 6,516 | $1.10M | 0.01% | +1,292+24.7% | Added |
| Truist Financial Corp | 6,563 | $1.11M | 0.00% | +838+14.6% | Added |
| Caption Management, LLC | 6,600 | $1.12M | 0.10% | +6,600 | New |
| HighTower Advisors, LLC | 6,595 | $1.12M | 0.00% | −78−1.2% | Reduced |
| Wolverine Trading, LLC | 6,766 | $1.12M | 0.03% | +2,394+54.8% | Added |
| Orion Capital Management LLC | 6,675 | $1.13M | 0.70% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 7,592 | $1.29M | 0.33% | +3,832+101.9% | Added |
| MML Investors Services, LLC | 7,667 | $1.30M | 0.01% | +440+6.1% | Added |
| Amalgamated Bank | 7,944 | $1.35M | 0.01% | +2,264+39.9% | Added |
| Prelude Capital Management, LLC | 7,964 | $1.35M | 0.07% | −6,216−43.8% | Reduced |
| AtonRa Partners | 8,097 | $1.37M | 0.50% | −12,113−59.9% | Reduced |
| Metropolitan Life Insurance Co | 8,123 | $1.38M | 0.02% | −268−3.2% | Reduced |
| Natixis | 8,472 | $1.44M | 0.01% | +1,961+30.1% | Added |
| US Bancorp | 8,483 | $1.44M | 0.00% | +239+2.9% | Added |
| Tobam | 8,657 | $1.47M | 0.06% | −29,764−77.5% | Reduced |
| Ergoteles LLC | 8,811 | $1.49M | 0.03% | +8,811 | New |
| Beacon Investment Advisory Services, Inc. | 8,935 | $1.51M | 0.06% | +602+7.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 8,964 | $1.52M | 0.01% | −6,092−40.5% | Reduced |
| Maryland State Retirement & Pension System | 8,827 | $1.54M | 0.05% | 00.0% | Unchanged |