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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, Q1 2023

Institutional positions in Alnylam Pharmaceuticals, Inc. as of Mar 31, 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
478
0 vs. Q4 2022
Shares held
119.6M
+131.7K (+0.1%) vs. Q4 2022
Total value
$24.0B
−$4.42B (−15.6%) vs. Q4 2022
New holders
53
174 more added
Sold out
53
170 more reduced

11 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 holdersQ1 2023: 478 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 heldQ1 2023: $24.0B
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, Q1 2023

Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q4 2022.

Institutions holding ALNY in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Daiwa Securities Group Inc.10,448$2.09M0.01%+610+6.2%Added
ETF Managers Group, LLC10,382$2.08M0.07%−742−6.7%Reduced
Nisa Investment Advisors, LLC10,355$2.07M0.02%−25−0.2%Reduced
Maryland State Retirement & Pension System9,665$1.94M0.04%00.0%Unchanged
Weiss Multi-Strategy Advisers LLC8,987$1.80M0.04%−2,708−23.2%Reduced
Schroder Investment Management Group8,864$1.78M0.00%+384+4.5%Added
ProShare Advisors LLC8,814$1.77M0.01%−3,227−26.8%Reduced
Nordea Investment Management AB8,643$1.71M0.00%+96+1.1%Added
Rockefeller Capital Management L.P.8,339$1.67M0.01%−2,332−21.9%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd8,290$1.66M0.03%00.0%Unchanged
US Bancorp8,005$1.60M0.00%−26−0.3%Reduced
Stifel Financial Corp7,711$1.54M0.00%+261+3.5%Added
Edgestream Partners, L.P.7,673$1.54M0.17%+7,673New
Atom Investors LP7,533$1.51M0.82%+6,135+438.8%Added
Sivik Global Healthcare LLC7,500$1.50M0.65%+7,500New
MetLife Investment Management7,450$1.49M0.01%+18+0.2%Added
Achmea Investment Management B.V.7,411$1.48M0.04%+2,919+65.0%Added
Dai-Ichi Life Insurance Company, Ltd6,979$1.40M0.03%00.0%Unchanged
M&T Bank Corp6,870$1.38M0.01%+661+10.6%Added
PEAK6 Investments LLC6,778$1.36M0.09%+3,465+104.6%Added
Profund Advisors LLC6,770$1.36M0.08%−6,954−50.7%Reduced
Farallon Capital Management, L.L.C.6,719$1.35M0.01%−123,337−94.8%Reduced
Values First Advisors, Inc.6,411$1.28M0.82%+109+1.7%Added
JustInvest LLC6,299$1.26M0.04%−293−4.4%Reduced
Engineers Gate Manager LP6,195$1.24M0.05%+6,195New
Chartwell Investment Partners, LLC6,178$1.24M0.05%+6,178New
AQR Capital Management LLC6,107$1.21M0.00%+6,107New
Walleye Trading LLC6,037$1.21M0.04%+6,037New
Estate Counselors, LLC6,015$1.20M0.16%+6,015New
Parametrica Management Ltd5,953$1.19M2.15%−3,547−37.3%Reduced
Prudential PLC5,720$1.15M0.01%+6+0.1%Added
AIA Group Ltd5,684$1.14M0.06%+685+13.7%Added
Bokf, NA5,165$1.03M0.02%−492−8.7%Reduced
Panagora Asset Management Inc5,121$1.03M0.01%−152−2.9%Reduced
Gotham Asset Management, LLC5,116$1.02M0.02%+1,730+51.1%Added
Banque Pictet & Cie SA5,107$1.02M0.01%−2,316−31.2%Reduced
Shell Asset Management Co5,008$1.00M0.04%+492+10.9%Added
Quattro Financial Advisors LLC5,000$1.00M0.41%00.0%Unchanged
Portman Square Capital LLP4,892$980.0K0.25%+4,892New
Raymond James Financial Services Advisors, Inc.4,767$954.9K0.00%−380−7.4%Reduced
Lakeview Capital Partners, LLC4,556$938.9K0.29%−20−0.4%Reduced
Vontobel Holding Ltd.4,634$928.3K0.01%−671−12.6%Reduced
Brandywine Managers, LLC4,608$923.1K0.66%00.0%Unchanged
Commerce Bank4,608$923.1K0.01%+158+3.6%Added
Jefferies Financial Group Inc.4,540$909.5K0.02%−6,171−57.6%Reduced
STRS Ohio4,528$907.0K0.00%+905+25.0%Added
Assetmark, Inc4,369$875.2K0.00%+306+7.5%Added
Swiss Life Asset Management Ltd4,342$870.2K0.01%+345+8.6%Added
World Equity Group, Inc.33,440$863.1K0.15%+30,466+1,024.4%Added
Oppenheimer & Co Inc4,277$856.8K0.02%−47−1.1%Reduced
CIBC Asset Management Inc4,191$839.5K0.00%+84+2.0%Added
HighVista Strategies LLC4,056$812.5K0.66%00.0%Unchanged
First Hawaiian Bank4,023$805.9K0.03%−1,100−21.5%Reduced
Howland Capital Management LLC4,000$801.3K0.05%00.0%Unchanged
J.P. Marvel Investment Advisors, LLC4,000$801.3K0.18%00.0%Unchanged
Atlantic Trust, LLC3,981$797.5K0.25%00.0%Unchanged
Orion Capital Management LLC3,975$796.3K0.53%−30−0.7%Reduced
Toroso Investments, LLC3,795$760.0K0.03%−473−11.1%Reduced
AtonRa Partners3,768$754.8K1.10%−485−11.4%Reduced
Advisor Group Holdings, Inc.3,754$754.4K0.00%−2,301−38.0%Reduced
Brighton Jones LLC3,753$751.8K0.04%+3,753New
B. Metzler seel. Sohn & Co. AG3,691$739.4K0.01%+367+11.0%Added
Commonwealth Equity Services, LLC3,661$733.0K0.00%−1,546−29.7%Reduced
Metis Global Partners, LLC3,646$730.4K0.05%+1,144+45.7%Added
Spectrum Planning & Advisory Services Inc.3,591$719.4K1.17%00.0%Unchanged
Creative Planning3,577$716.6K0.00%+314+9.6%Added
Winton Group Ltd3,425$686.1K0.04%+3,425New
VELA Investment Management, LLC3,417$684.5K0.31%+92+2.8%Added
Bank of Nova Scotia3,251$651.2K0.00%−1,160−26.3%Reduced
Hall Laurie J Trustee3,250$651.0K0.28%00.0%Unchanged
D.A. Davidson & Co.3,213$643.6K0.01%−36−1.1%Reduced
China Universal Asset Management Co., Ltd.3,204$641.8K0.22%−10,400−76.4%Reduced
Emerald Advisers, LLC3,132$627.4K0.03%+575+22.5%Added
National Bank of Canada3,123$626.6K0.00%−1,109−26.2%Reduced
Impax Asset Management Group plc3,020$605.0K0.00%+312+11.5%Added
Horizon Kinetics Asset Management LLC3,000$601.0K0.01%00.0%Unchanged
Caption Management, LLC3,000$601.0K0.13%+108+3.7%Added
Western Financial Corp2,976$596.2K0.42%+196+7.1%Added
Alberta Investment Management Corp2,900$580.9K0.01%+2,900New
Tokio Marine Asset Management Co Ltd2,867$574.3K0.04%+474+19.8%Added
Vestcor Inc2,833$568.0K0.02%−12−0.4%Reduced
Banque Cantonale Vaudoise2,800$561.0K0.03%00.0%Unchanged
Greenleaf Trust2,760$552.9K0.01%+61+2.3%Added
Harbor Capital Advisors, Inc.2,738$548.5K0.16%+2,363+630.1%Added
Fosun International Ltd2,730$546.9K0.05%+2,730New
Azzad Asset Management Inc2,714$543.8K0.08%+19+0.7%Added
Steel Peak Wealth Management LLC2,695$539.9K0.04%+276+11.4%Added
MML Investors Services, LLC2,662$533.0K0.00%+250+10.4%Added
Prudential Financial Inc3,494$518.0K0.00%−1,085−23.7%Reduced
La Banque Postale Asset Management SA2,536$508.0K0.01%−178−6.6%Reduced
Quintet Private Bank (Europe) S.A.2,520$504.9K0.03%+2,520New
New York Life Investment Management LLC2,503$501.4K0.01%+90+3.7%Added
Brinker Capital Investments, LLC2,484$497.6K0.01%−28−1.1%Reduced
Orion Portfolio Solutions, LLC2,484$497.6K0.01%+1,464+143.5%Added
Integrated Wealth Concepts LLC2,406$482.0K0.01%+2,406New
Illinois Municipal Retirement Fund2,381$477.0K0.01%+2,381New
Seven Eight Capital, LP2,320$464.7K0.10%+2,320New
Veriti Management LLC2,287$458.1K0.05%−183−7.4%Reduced
Souders Financial Advisors2,236$447.9K0.10%+57+2.6%Added
Captrust Financial Advisors2,185$437.7K0.00%+570+35.3%Added