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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, Q3 2023

Institutional positions in Alnylam Pharmaceuticals, Inc. as of Sep 30, 2023. 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
454
−15 vs. Q2 2023
Shares held
117.8M
+10.8K (0.0%) vs. Q2 2023
Total value
$20.9B
−$1.52B (−6.8%) vs. Q2 2023
New holders
43
161 more added
Sold out
58
165 more reduced

8 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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.

Institutional holdersQ3 2023: 454 institutions
Q1 2021: 391 institutionsQ2 2021: 401 institutionsQ3 2021: 407 institutionsQ4 2021: 435 institutionsQ1 2022: 443 institutionsQ2 2022: 424 institutionsQ3 2022: 497 institutionsQ4 2022: 489 institutionsQ1 2023: 478 institutionsQ2 2023: 477 institutionsQ3 2023: 454 institutionsQ4 2023: 501 institutionsQ1 2024: 499 institutionsQ2 2024: 525 institutionsQ3 2024: 569 institutionsQ4 2024: 594 institutionsQ1 2025: 625 institutionsQ2 2025: 653 institutionsQ3 2025: 823 institutionsQ4 2025: 852 institutionsQ1 2026: 793 institutionsQ2 2026: 794 institutions
Value heldQ3 2023: $20.9B
Q1 2021: $15.4BQ2 2021: $19.0BQ3 2021: $21.1BQ4 2021: $19.0BQ1 2022: $18.6BQ2 2022: $16.6BQ3 2022: $26.7BQ4 2022: $28.4BQ1 2023: $24.0BQ2 2023: $22.5BQ3 2023: $20.9BQ4 2023: $22.4BQ1 2024: $17.2BQ2 2024: $29.1BQ3 2024: $34.1BQ4 2024: $30.1BQ1 2025: $34.8BQ2 2025: $43.1BQ3 2025: $59.2BQ4 2025: $52.7BQ1 2026: $43.4BQ2 2026: $40.1B
Institutions holding ALNY and their total value by quarter
QuarterHoldersValue
Q2 2026794$40.1B
Q1 2026793$43.4B
Q4 2025852$52.7B
Q3 2025823$59.2B
Q2 2025653$43.1B
Q1 2025625$34.8B
Q4 2024594$30.1B
Q3 2024569$34.1B
Q2 2024525$29.1B
Q1 2024499$17.2B
Q4 2023501$22.4B
Q3 2023454$20.9B
Q2 2023477$22.5B
Q1 2023478$24.0B
Q4 2022489$28.4B
Q3 2022497$26.7B
Q2 2022424$16.6B
Q1 2022443$18.6B
Q4 2021435$19.0B
Q3 2021407$21.1B
Q2 2021401$19.0B
Q1 2021391$15.4B

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q2 2023.

Institutions holding ALNY in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Maryland State Retirement & Pension System9,451$1.67M0.04%00.0%Unchanged
Duality Advisers, LP9,430$1.67M0.20%+5,697+152.6%Added
AQR Capital Management LLC9,460$1.66M0.00%+3,726+65.0%Added
Achmea Investment Management B.V.8,925$1.58M0.03%−184−2.0%Reduced
XTX Topco Ltd8,836$1.56M0.27%+4,332+96.2%Added
Nordea Investment Management AB8,690$1.53M0.00%+263+3.1%Added
ProShare Advisors LLC8,172$1.45M0.00%+115+1.4%Added
Nisa Investment Advisors, LLC8,155$1.44M0.01%00.0%Unchanged
Stifel Financial Corp8,069$1.43M0.00%−1,253−13.4%Reduced
Robeco Institutional Asset Management B.V.8,036$1.42M0.00%−19,107−70.4%Reduced
Ategra Capital Management, LLC7,990$1.42M0.77%−20.0%Reduced
Schroder Investment Management Group7,655$1.36M0.00%−548−6.7%Reduced
Panagora Asset Management Inc7,457$1.32M0.01%+2,336+45.6%Added
Pinebridge Investments, L.P.7,376$1.31M0.01%+7,376New
US Bancorp7,268$1.29M0.00%−149−2.0%Reduced
Profund Advisors LLC7,257$1.29M0.07%−472−6.1%Reduced
Beacon Investment Advisory Services, Inc.7,115$1.26M0.06%−3,041−29.9%Reduced
Dai-Ichi Life Insurance Company, Ltd7,100$1.26M0.03%+504+7.6%Added
M&T Bank Corp6,974$1.24M0.00%+124+1.8%Added
Simplex Trading, LLC6,845$1.21M0.04%+6,845New
Oregon Public Employees Retirement Fund6,819$1.21M0.02%−3,309−32.7%Reduced
Assenagon Asset Management S.A.6,730$1.19M0.00%−84,132−92.6%Reduced
MetLife Investment Management6,596$1.17M0.01%+4+0.1%Added
Values First Advisors, Inc.6,507$1.15M0.74%−50−0.8%Reduced
Twin Tree Management, LP6,289$1.11M0.04%+6,289New
Capital Group Private Client Services, Inc.6,261$1.11M0.01%−93−1.5%Reduced
Estate Counselors, LLC6,060$1.07M0.14%+45+0.7%Added
Assetmark, Inc5,778$1.02M0.00%+934+19.3%Added
Bokf, NA6,722$1.02M0.02%+1,706+34.0%Added
JustInvest LLC5,735$1.02M0.03%−623−9.8%Reduced
Tower Research Capital LLC (TRC)5,090$901.4K0.03%−4,481−46.8%Reduced
Quattro Financial Advisors LLC5,000$885.5K0.39%00.0%Unchanged
Prudential PLC4,878$863.9K0.01%−761−13.5%Reduced
Shell Asset Management Co4,832$856.0K0.04%−77−1.6%Reduced
Jefferies Financial Group Inc.4,778$846.2K0.02%−5,129−51.8%Reduced
Brandywine Managers, LLC4,608$816.1K1.38%00.0%Unchanged
Commerce Bank4,606$815.7K0.01%+28+0.6%Added
Oppenheimer & Co Inc4,519$800.3K0.02%+93+2.1%Added
Steel Peak Wealth Management LLC4,425$783.7K0.05%+1,408+46.7%Added
Commonwealth Equity Services, LLC4,372$774.0K0.00%+363+9.1%Added
CIBC Asset Management Inc4,322$765.4K0.00%+128+3.1%Added
Metis Global Partners, LLC4,288$759.4K0.04%+342+8.7%Added
First Hawaiian Bank4,250$752.7K0.03%00.0%Unchanged
Advisor Group Holdings, Inc.4,220$747.3K0.00%+182+4.5%Added
Captrust Financial Advisors4,187$741.5K0.00%−734−14.9%Reduced
Swiss Life Asset Management Ltd4,188$741.0K0.01%−129−3.0%Reduced
Gilbert & Cook, Inc.4,126$730.7K0.12%+2,766+203.4%Added
Creative Planning4,121$729.9K0.00%−835−16.8%Reduced
J.P. Marvel Investment Advisors, LLC4,000$708.4K0.15%00.0%Unchanged
Omers Administration Corp4,000$708.4K0.01%+4,000New
Atlantic Trust, LLC3,981$705.0K0.23%00.0%Unchanged
Prudential Financial Inc3,912$692.8K0.00%+13+0.3%Added
Brighton Jones LLC3,912$692.8K0.04%+136+3.6%Added
Soleus Capital Management, L.P.3,900$690.7K0.07%+3,900New
Vontobel Holding Ltd.3,824$677.2K0.01%−70−1.8%Reduced
B. Metzler seel. Sohn & Co. AG3,728$660.2K0.01%+37+1.0%Added
Orion Capital Management LLC3,675$650.8K0.42%−300−7.5%Reduced
Ethic Inc.3,672$650.3K0.02%+1,699+86.1%Added
China Universal Asset Management Co., Ltd.3,580$634.0K0.18%−9,492−72.6%Reduced
Spectrum Planning & Advisory Services Inc.3,560$630.5K0.99%−31−0.9%Reduced
Sanders Morris Harris LLC3,500$625.0K0.13%00.0%Unchanged
VELA Investment Management, LLC3,417$605.2K0.27%00.0%Unchanged
World Equity Group, Inc.3,393$600.9K0.13%+333+10.9%Added
Tokio Marine Asset Management Co Ltd3,380$598.6K0.04%+309+10.1%Added
Exchange Traded Concepts, LLC3,373$597.4K0.02%−4,860−59.0%Reduced
Two Sigma Investments, LP3,300$584.4K0.00%−221,369−98.5%Reduced
D.A. Davidson & Co.3,290$582.7K0.01%+57+1.8%Added
Hall Laurie J Trustee3,250$576.0K0.25%00.0%Unchanged
Parametrica Management Ltd3,221$570.4K0.96%−7,025−68.6%Reduced
Gotham Asset Management, LLC3,082$545.8K0.01%−775−20.1%Reduced
Emerald Advisers, LLC3,019$534.7K0.03%−67−2.2%Reduced
MML Investors Services, LLC3,005$532.0K0.00%−261−8.0%Reduced
Horizon Kinetics Asset Management LLC3,000$531.3K0.01%00.0%Unchanged
Bank of Nova Scotia2,948$522.1K0.00%+457+18.3%Added
AtonRa Partners2,935$519.8K1.09%−675−18.7%Reduced
Impax Asset Management Group plc2,903$514.1K0.00%−165−5.4%Reduced
Alberta Investment Management Corp2,900$513.6K0.01%00.0%Unchanged
GraniteShares Advisors LLC2,893$512.4K0.48%+2,893New
Harbor Capital Advisors, Inc.2,887$511.3K0.11%+163+6.0%Added
Vestcor Inc2,819$499.0K0.02%−14−0.5%Reduced
Sequoia Financial Advisors, LLC2,803$496.4K0.01%−148−5.0%Reduced
Regal Investment Advisors LLC2,803$496.4K0.04%+8+0.3%Added
Fosun International Ltd2,730$483.5K0.08%00.0%Unchanged
Souders Financial Advisors2,692$476.8K0.09%+39+1.5%Added
Ci Investments Inc.2,648$469.0K0.00%−337−11.3%Reduced
Brinker Capital Investments, LLC2,585$457.8K0.01%+229+9.7%Added
Orion Portfolio Solutions, LLC2,585$457.8K0.01%+229+9.7%Added
Veriti Management LLC2,558$453.0K0.05%+187+7.9%Added
Lakeview Capital Partners, LLC2,553$452.1K0.09%−2,157−45.8%Reduced
Greenleaf Trust2,533$448.6K0.01%−90−3.4%Reduced
Edgestream Partners, L.P.2,425$429.5K0.03%−9,120−79.0%Reduced
Raymond James Financial Services Advisors, Inc.2,338$414.1K0.00%−40−1.7%Reduced
Moody Aldrich Partners LLC2,283$404.3K0.08%+2,283New
Toroso Investments, LLC2,277$403.3K0.01%+56+2.5%Added
Integrated Wealth Concepts LLC2,274$402.7K0.01%+3+0.1%Added
E Fund Management Co., Ltd.2,271$402.0K0.03%−70−3.0%Reduced
Motley Fool Asset Management LLC2,231$395.1K0.03%−48−2.1%Reduced
New York Life Investment Management LLC2,226$394.2K0.00%−187−7.7%Reduced
Wealth Enhancement Advisory Services, LLC2,183$386.7K0.00%+2,183New
Monograph Wealth Advisors, LLC2,126$376.5K0.07%00.0%Unchanged