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 2025
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Mar 31, 2025. 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
- 625
- +39 vs. Q4 2024
- Shares held
- 129.4M
- +2.10M (+1.7%) vs. Q4 2024
- Total value
- $34.8B
- +$4.88B (+16.3%) vs. Q4 2024
- New holders
- 106
- 235 more added
- Sold out
- 67
- 205 more reduced
8 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nissay Asset Management Corp | 16,214 | $4.38M | 0.03% | +267+1.7% | Added |
| Silvant Capital Management LLC | 16,195 | $4.37M | 0.20% | 00.0% | Unchanged |
| Creative Planning | 16,099 | $4.35M | 0.00% | +5,286+48.9% | Added |
| Point72 Europe (London) LLP | 15,958 | $4.31M | 0.30% | +15,958 | New |
| Tredje AP-fonden | 15,907 | $4.30M | 0.04% | +6,165+63.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 15,833 | $4.29M | 0.01% | +3,784+31.4% | Added |
| Jump Financial, LLC | 15,717 | $4.24M | 0.06% | +572+3.8% | Added |
| Jefferies Financial Group Inc. | 15,347 | $4.14M | 0.07% | +15,347 | New |
| Himension Fund | 15,302 | $4.13M | 0.35% | +10,773+237.9% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 15,006 | $4.05M | 1.06% | +15,006 | New |
| Mariner, LLC | 14,883 | $4.02M | 0.01% | +1,217+8.9% | Added |
| Cerity Partners LLC | 14,642 | $3.95M | 0.01% | +1,117+8.3% | Added |
| Jupiter Asset Management Ltd | 14,610 | $3.94M | 0.04% | −825−5.3% | Reduced |
| Gotham Asset Management, LLC | 14,517 | $3.92M | 0.03% | +3,593+32.9% | Added |
| Wealth Enhancement Advisory Services, LLC | 14,404 | $3.89M | 0.01% | +1,838+14.6% | Added |
| Aquatic Capital Management LLC | 14,348 | $3.87M | 0.10% | −26,204−64.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 13,953 | $3.76M | 0.01% | −778−5.3% | Reduced |
| OP Asset Management Ltd | 13,679 | $3.69M | 0.06% | +13,679 | New |
| Aware Super Pty Ltd as trustee of Aware Super | 13,665 | $3.69M | 0.06% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 13,644 | $3.68M | 0.04% | +11,881+673.9% | Added |
| Advisory Services Network, LLC | 13,516 | $3.65M | 0.07% | +7,248+115.6% | Added |
| EFG Asset Management (Americas) Corp. | 13,372 | $3.61M | 0.73% | −1,574−10.5% | Reduced |
| The PNC Financial Services Group, Inc. | 13,125 | $3.54M | 0.00% | +585+4.7% | Added |
| Balyasny Asset Management LLC | 13,116 | $3.54M | 0.01% | +13,116 | New |
| Diadema Partners LP | 13,115 | $3.54M | 2.83% | +13,115 | New |
| Sterling Capital Management LLC | 13,097 | $3.54M | 0.05% | −4,990−27.6% | Reduced |
| Public Employees Retirement Association of Colorado | 13,073 | $3.53M | 0.02% | 00.0% | Unchanged |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 12,957 | $3.50M | 0.04% | +1,346+11.6% | Added |
| MML Investors Services, LLC | 12,927 | $3.49M | 0.01% | +2,189+20.4% | Added |
| Daiwa Securities Group Inc. | 12,906 | $3.48M | 0.01% | +355+2.8% | Added |
| E Fund Management Co., Ltd. | 12,708 | $3.43M | 0.16% | +413+3.4% | Added |
| Portman Square Capital LLP | 12,529 | $3.38M | 0.47% | −410−3.2% | Reduced |
| Guggenheim Capital LLC | 12,367 | $3.34M | 0.03% | −416−3.3% | Reduced |
| Voleon Capital Management LP | 11,914 | $3.22M | 0.25% | −25,267−68.0% | Reduced |
| Lazard Asset Management LLC | 11,888 | $3.21M | 0.00% | −12,306−50.9% | Reduced |
| Mirabella Financial Services LLP | 11,737 | $3.18M | 0.13% | +1,198+11.4% | Added |
| Blair William & Co | 11,078 | $2.99M | 0.01% | −884−7.4% | Reduced |
| Elo Mutual Pension Insurance Co | 10,905 | $2.94M | 0.07% | −2,303−17.4% | Reduced |
| Verition Fund Management LLC | 10,779 | $2.91M | 0.02% | +7,876+271.3% | Added |
| Cullen/Frost Bankers, Inc. | 10,717 | $2.89M | 0.04% | +78+0.7% | Added |
| Bank of Montreal | 10,684 | $2.88M | 0.00% | −923−8.0% | Reduced |
| Assetmark, Inc | 10,641 | $2.87M | 0.01% | +608+6.1% | Added |
| Boothbay Fund Management, LLC | 10,090 | $2.72M | 0.10% | +10,090 | New |
| S&CO Inc | 10,050 | $2.71M | 0.18% | +4,300+74.8% | Added |
| Nordea Investment Management AB | 10,235 | $2.71M | 0.00% | +47+0.5% | Added |
| Traynor Capital Management, Inc. | 9,833 | $2.66M | 0.22% | +483+5.2% | Added |
| Silvercrest Asset Management Group LLC | 9,821 | $2.65M | 0.02% | +4,930+100.8% | Added |
| Swiss Life Asset Management Ltd | 9,810 | $2.65M | 0.02% | −3,004−23.4% | Reduced |
| Mackenzie Financial Corp | 9,485 | $2.56M | 0.00% | +626+7.1% | Added |
| Federation des caisses Desjardins du Quebec | 9,422 | $2.55M | 0.01% | +341+3.8% | Added |
| Suvretta Capital Management, LLC | 9,370 | $2.53M | 0.10% | +9,370 | New |
| TB Alternative Assets Ltd. | 9,168 | $2.48M | 0.58% | +9,168 | New |
| JustInvest LLC | 9,088 | $2.45M | 0.04% | +514+6.0% | Added |
| LMR Partners LLP | 9,000 | $2.43M | 0.05% | −2,901−24.4% | Reduced |
| Acadian Asset Management LLC | 8,977 | $2.42M | 0.01% | −7,699−46.2% | Reduced |
| Amalgamated Bank | 8,853 | $2.39M | 0.02% | +369+4.3% | Added |
| Profund Advisors LLC | 8,826 | $2.38M | 0.10% | −869−9.0% | Reduced |
| Kentucky Retirement Systems | 8,794 | $2.37M | 0.07% | +8,794 | New |
| ASR Vermogensbeheer N.V. | 8,763 | $2.37M | 0.04% | +8,763 | New |
| Wealthfront Advisers LLC | 8,721 | $2.35M | 0.01% | −3,899−30.9% | Reduced |
| FORA Capital, LLC | 8,624 | $2.33M | 0.24% | −4,074−32.1% | Reduced |
| Commonwealth Equity Services, LLC | 8,471 | $2.29M | 0.00% | +1,934+29.6% | Added |
| Hussman Strategic Advisors, Inc. | 8,400 | $2.27M | 0.55% | +8,400 | New |
| Nisa Investment Advisors, LLC | 8,155 | $2.20M | 0.01% | −5,162−38.8% | Reduced |
| Values First Advisors, Inc. | 8,113 | $2.19M | 1.28% | −879−9.8% | Reduced |
| Cetera Investment Advisers | 8,017 | $2.16M | 0.00% | +3,247+68.1% | Added |
| SIH Partners, LLLP | 7,959 | $2.15M | 0.19% | +7,959 | New |
| M&T Bank Corp | 7,868 | $2.12M | 0.01% | −740−8.6% | Reduced |
| Clearbridge Investments, LLC | 7,777 | $2.10M | 0.00% | +7,777 | New |
| Gulf International Bank (UK) Ltd | 7,364 | $1.99M | 0.07% | −2,390−24.5% | Reduced |
| MetLife Investment Management | 7,295 | $1.97M | 0.01% | −9−0.1% | Reduced |
| Twin Tree Management, LP | 7,074 | $1.91M | 0.04% | +7,074 | New |
| Stifel Financial Corp | 7,073 | $1.91M | 0.00% | −2,944−29.4% | Reduced |
| Man Group plc | 7,071 | $1.91M | 0.01% | −9,311−56.8% | Reduced |
| Simplex Trading, LLC | 6,704 | $1.81M | 0.06% | +1,875+38.8% | Added |
| Pallas Capital Advisors LLC | 6,635 | $1.79M | 0.07% | +3,227+94.7% | Added |
| AG2R la Mondiale Gestion D'Actifs | 5,825 | $1.77M | 0.10% | +5,825 | New |
| Gateway Investment Advisers LLC | 6,540 | $1.77M | 0.02% | −843−11.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 6,534 | $1.76M | 0.01% | −2,596−28.4% | Reduced |
| NEOS Investment Management LLC | 6,475 | $1.75M | 0.03% | −9,848−60.3% | Reduced |
| Tema ETFs LLC | 6,475 | $1.75M | 0.52% | −9,848−60.3% | Reduced |
| Quantinno Capital Management LP | 6,432 | $1.74M | 0.01% | +1,876+41.2% | Added |
| Assenagon Asset Management S.A. | 6,405 | $1.73M | 0.00% | −13,513−67.8% | Reduced |
| Captrust Financial Advisors | 6,381 | $1.72M | 0.00% | −33−0.5% | Reduced |
| SummitTX Capital, L.P. | 6,326 | $1.71M | 0.08% | +6,326 | New |
| Pathstone Holdings, LLC | 6,298 | $1.70M | 0.01% | +115+1.9% | Added |
| Squarepoint Ops LLC | 6,268 | $1.69M | 0.00% | −121,429−95.1% | Reduced |
| Jain Global LLC | 6,221 | $1.68M | 0.03% | +6,221 | New |
| Burney Co | 6,202 | $1.67M | 0.06% | −19,536−75.9% | Reduced |
| Group One Trading, L.P. | 6,202 | $1.67M | 0.07% | +6,202 | New |
| Genus Capital Management Inc. | 6,130 | $1.66M | 0.24% | +6,130 | New |
| Toroso Investments, LLC | 6,127 | $1.65M | 0.01% | −7,061−53.5% | Reduced |
| Motley Fool Asset Management LLC | 6,029 | $1.63M | 0.09% | +4,130+217.5% | Added |
| Maryland State Retirement & Pension System | 6,021 | $1.63M | 0.04% | −969−13.9% | Reduced |
| Empowered Funds, LLC | 5,901 | $1.59M | 0.02% | −1,729−22.7% | Reduced |
| Intech Investment Management LLC | 5,898 | $1.59M | 0.02% | −1,675−22.1% | Reduced |
| CIBC World Markets Corp | 5,868 | $1.58M | 0.01% | +58+1.0% | Added |
| Advisors Asset Management, Inc. | 5,851 | $1.58M | 0.03% | +204+3.6% | Added |
| ProShare Advisors LLC | 5,840 | $1.58M | 0.00% | −270−4.4% | Reduced |
| E. Ohman J:or Asset Management AB | 5,800 | $1.57M | 0.04% | −300−4.9% | Reduced |