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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 2024

Institutional positions in Alnylam Pharmaceuticals, Inc. as of Sep 30, 2024. 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
569
+49 vs. Q2 2024
Shares held
123.8M
+13.6M (+12.3%) vs. Q2 2024
Total value
$34.1B
+$7.26B (+27.1%) vs. Q2 2024
New holders
107
222 more added
Sold out
58
170 more reduced

5 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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.

Institutional holdersQ3 2024: 569 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 2024: $34.1B
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 2024

Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q2 2024.

Institutions holding ALNY in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Storebrand Asset Management AS23,183$6.38M0.02%+11,897+105.4%Added
Citadel Advisors LLC23,932$6.58M0.01%−343,357−93.5%Reduced
Aviva PLC24,506$6.74M0.02%+13,615+125.0%Added
KBC Group NV24,566$6.76M0.02%+9,470+62.7%Added
Integral Health Asset Management, LLC25,000$6.88M0.81%+25,000New
Caisse de Depot Et Placement du Quebec25,295$6.96M0.01%00.0%Unchanged
DnB Asset Management AS25,398$6.99M0.03%−617−2.4%Reduced
Parkman Healthcare Partners LLC25,485$7.01M0.89%+25,485New
Mirae Asset Global ETFs Holdings Ltd.25,812$7.10M0.02%−5,481−17.5%Reduced
IFM Investors Pty Ltd25,919$7.13M0.07%+165+0.6%Added
CNH Partners LLC26,430$7.26M0.17%+26,430New
Parallax Volatility Advisers, L.P.26,535$7.30M0.19%+26,535New
Allianz Asset Management GmbH26,806$7.37M0.01%+8,632+47.5%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund27,815$7.65M0.08%+27,815New
Schonfeld Strategic Advisors LLC27,867$7.66M0.06%−16,108−36.6%Reduced
AIA Group Ltd28,217$7.76M0.20%+8,789+45.2%Added
STRS Ohio29,468$8.10M0.03%+4,468+17.9%Added
Atika Capital Management LLC31,000$8.53M0.91%+6,500+26.5%Added
Envestnet Asset Management Inc31,367$8.63M0.00%+6,227+24.8%Added
Tobam31,467$8.65M1.58%+1,736+5.8%Added
Driehaus Capital Management LLC32,350$8.90M0.08%−139−0.4%Reduced
USS Investment Management Ltd32,871$9.04M0.07%−3,976−10.8%Reduced
Balyasny Asset Management LLC33,405$9.19M0.02%+33,405New
Teacher Retirement System of Texas33,650$9.26M0.04%+4,285+14.6%Added
Acadian Asset Management LLC34,417$9.46M0.03%−2,893−7.8%Reduced
Teachers Retirement System of the State of Kentucky34,713$9.55M0.08%+1,500+4.5%Added
Artia Global Partners LP35,000$9.63M2.72%00.0%Unchanged
Rosenblum Silverman Sutton S F Inc35,155$9.67M2.47%−45−0.1%Reduced
Silverarc Capital Management, LLC35,774$9.84M2.22%−226−0.6%Reduced
Arizona State Retirement System36,240$9.97M0.06%+1,504+4.3%Added
China Universal Asset Management Co., Ltd.36,340$9.99M1.10%+9,831+37.1%Added
Bridger Management, LLC37,022$10.2M5.09%00.0%Unchanged
Illinois Municipal Retirement Fund37,367$10.3M0.15%+495+1.3%Added
Resona Asset Management Co.,Ltd.37,577$10.3M0.06%−5,890−13.6%Reduced
Brown Advisory Inc39,123$10.8M0.01%−3,234−7.6%Reduced
Russell Investments Group, Ltd.42,324$11.6M0.02%+1,139+2.8%Added
Capital Group Private Client Services, Inc.42,449$11.7M0.11%−675−1.6%Reduced
Squarepoint Ops LLC42,701$11.7M0.04%−56,093−56.8%Reduced
Victory Capital Management Inc42,909$11.8M0.01%+4,229+10.9%Added
Jefferies Financial Group Inc.47,193$13.0M0.21%+44,893+1,951.9%Added
Schroder Investment Management Group47,342$13.0M0.01%−9,382−16.5%Reduced
State of New Jersey Common Pension Fund D47,433$13.0M0.05%−1,025−2.1%Reduced
Public Employees Retirement System of Ohio48,437$13.3M0.06%−3,275−6.3%Reduced
Rhenman & Partners Asset Management AB50,350$13.8M1.12%−35,150−41.1%Reduced
Forsta Ap-Fonden50,900$14.0M0.11%+25,700+102.0%Added
Danske Bank A/S52,405$14.4M0.05%+100+0.2%Added
Alliancebernstein L.P.52,624$14.5M0.00%+7,251+16.0%Added
Swedbank AB53,729$14.8M0.02%+33,090+160.3%Added
Zurcher Kantonalbank (Zurich Cantonalbank)54,570$15.0M0.04%−10,915−16.7%Reduced
HSBC Holdings PLC56,870$15.6M0.01%+2,715+5.0%Added
Worldquant Millennium Advisors LLC58,520$16.1M0.12%−71,073−54.8%Reduced
Soleus Capital Management, L.P.59,400$16.3M1.36%−12,300−17.2%Reduced
U.S. Capital Wealth Advisors, LLC61,500$16.9M0.60%00.0%Unchanged
Van Eck Associates Corp57,399$16.9M0.02%−3,539−5.8%Reduced
Marshall Wace, LLP63,467$17.5M0.02%+63,467New
Rafferty Asset Management, LLC63,831$17.6M0.06%−17,279−21.3%Reduced
LMR Partners LLP67,489$18.6M0.41%+58,518+652.3%Added
Asset Management One Co.,Ltd.67,953$18.7M0.07%+2,257+3.4%Added
Great West Life Assurance Co68,713$18.9M0.03%+14,308+26.3%Added
Macquarie Group Ltd72,616$20.0M0.02%+13,161+22.1%Added
Handelsbanken Fonder AB73,181$20.1M0.08%+130+0.2%Added
Connor, Clark & Lunn Investment Management Ltd.73,320$20.2M0.10%+13,422+22.4%Added
Robeco Institutional Asset Management B.V.73,568$20.2M0.04%+23,898+48.1%Added
Citigroup Inc74,271$20.4M0.02%−327,389−81.5%Reduced
New York State Common Retirement Fund76,228$21.0M0.03%−18,457−19.5%Reduced
Eagle Health Investments LP76,256$21.0M4.04%00.0%Unchanged
State of Wisconsin Investment Board79,094$21.8M0.05%+1,158+1.5%Added
Ensign Peak Advisors, Inc80,568$22.2M0.04%+7,095+9.7%Added
Prudential Financial Inc82,965$22.8M0.03%+79,306+2,167.4%Added
Treasurer of the State of North Carolina84,605$23.3M0.09%+5,040+6.3%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.85,305$23.5M0.03%+6,744+8.6%Added
Nomura Asset Management Co Ltd85,445$23.5M0.07%+6,148+7.8%Added
Trexquant Investment LP90,743$25.0M0.32%+52,880+139.7%Added
Telemark Asset Management, LLC100,000$27.5M2.78%+100,000New
Capital International Ltd100,423$27.6M1.19%+6,198+6.6%Added
Two Sigma Advisers, LP103,100$28.4M0.07%−155,600−60.1%Reduced
Barclays PLC105,185$28.9M0.01%−26,080−19.9%Reduced
Neuberger Berman Group LLC106,197$29.2M0.02%+10,789+11.3%Added
Korea Investment CORP107,893$29.7M0.07%−4,490−4.0%Reduced
Voya Investment Management LLC108,709$29.9M0.03%−5,525−4.8%Reduced
Man Group plc109,803$30.2M0.09%−8,107−6.9%Reduced
AXA S.A.111,216$30.6M0.09%+241+0.2%Added
Frontier Capital Management Co LLC111,231$30.6M0.29%−57,211−34.0%Reduced
DekaBank Deutsche Girozentrale113,193$30.9M0.06%−270−0.2%Reduced
BNP Paribas Arbitrage, SA114,784$31.6M0.03%−11,228−8.9%Reduced
Adage Capital Partners GP, L.L.C.116,000$31.9M0.06%−138,000−54.3%Reduced
HighTower Advisors, LLC115,790$31.9M0.05%−9,251−7.4%Reduced
Novo Holdings A/S118,383$32.6M1.62%00.0%Unchanged
Mitsubishi UFJ Trust & Banking Corp120,332$33.1M0.08%−148,108−55.2%Reduced
Capital International Inc125,221$34.4M0.43%+11,237+9.9%Added
Panagora Asset Management Inc125,891$34.6M0.17%+106,081+535.5%Added
State Board of Administration of Florida Retirement System129,417$35.6M0.07%−5,930−4.4%Reduced
Capital International Sarl135,073$37.1M0.95%+25,258+23.0%Added
Jane Street Group, LLC136,281$37.5M0.06%−3,216−2.3%Reduced
Los Angeles Capital Management LLC137,017$37.7M0.15%+135,829+11,433.4%Added
Ameriprise Financial Inc137,838$37.9M0.01%−100,482−42.2%Reduced
Antipodes Partners Ltd139,375$38.3M1.33%−99,374−41.6%Reduced
Palo Alto Investors LP140,681$38.7M5.03%+140,681New
Deerfield Management Company, L.P. (Series C)145,000$39.9M0.60%+25,200+21.0%Added
Skandinaviska Enskilda Banken AB (publ)150,119$41.3M0.19%+43,227+40.4%Added