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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
Prudential Financial Inc82,965$22.8M0.03%+79,306+2,167.4%Added
Ensign Peak Advisors, Inc80,568$22.2M0.04%+7,095+9.7%Added
State of Wisconsin Investment Board79,094$21.8M0.05%+1,158+1.5%Added
Eagle Health Investments LP76,256$21.0M4.04%00.0%Unchanged
New York State Common Retirement Fund76,228$21.0M0.03%−18,457−19.5%Reduced
Citigroup Inc74,271$20.4M0.02%−327,389−81.5%Reduced
Robeco Institutional Asset Management B.V.73,568$20.2M0.04%+23,898+48.1%Added
Connor, Clark & Lunn Investment Management Ltd.73,320$20.2M0.10%+13,422+22.4%Added
Handelsbanken Fonder AB73,181$20.1M0.08%+130+0.2%Added
Macquarie Group Ltd72,616$20.0M0.02%+13,161+22.1%Added
Great West Life Assurance Co68,713$18.9M0.03%+14,308+26.3%Added
Asset Management One Co.,Ltd.67,953$18.7M0.07%+2,257+3.4%Added
LMR Partners LLP67,489$18.6M0.41%+58,518+652.3%Added
Rafferty Asset Management, LLC63,831$17.6M0.06%−17,279−21.3%Reduced
Marshall Wace, LLP63,467$17.5M0.02%+63,467New
Van Eck Associates Corp57,399$16.9M0.02%−3,539−5.8%Reduced
U.S. Capital Wealth Advisors, LLC61,500$16.9M0.60%00.0%Unchanged
Soleus Capital Management, L.P.59,400$16.3M1.36%−12,300−17.2%Reduced
Worldquant Millennium Advisors LLC58,520$16.1M0.12%−71,073−54.8%Reduced
HSBC Holdings PLC56,870$15.6M0.01%+2,715+5.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)54,570$15.0M0.04%−10,915−16.7%Reduced
Swedbank AB53,729$14.8M0.02%+33,090+160.3%Added
Alliancebernstein L.P.52,624$14.5M0.00%+7,251+16.0%Added
Danske Bank A/S52,405$14.4M0.05%+100+0.2%Added
Forsta Ap-Fonden50,900$14.0M0.11%+25,700+102.0%Added
Rhenman & Partners Asset Management AB50,350$13.8M1.12%−35,150−41.1%Reduced
Public Employees Retirement System of Ohio48,437$13.3M0.06%−3,275−6.3%Reduced
State of New Jersey Common Pension Fund D47,433$13.0M0.05%−1,025−2.1%Reduced
Schroder Investment Management Group47,342$13.0M0.01%−9,382−16.5%Reduced
Jefferies Financial Group Inc.47,193$13.0M0.21%+44,893+1,951.9%Added
Victory Capital Management Inc42,909$11.8M0.01%+4,229+10.9%Added
Squarepoint Ops LLC42,701$11.7M0.04%−56,093−56.8%Reduced
Capital Group Private Client Services, Inc.42,449$11.7M0.11%−675−1.6%Reduced
Russell Investments Group, Ltd.42,324$11.6M0.02%+1,139+2.8%Added
Brown Advisory Inc39,123$10.8M0.01%−3,234−7.6%Reduced
Resona Asset Management Co.,Ltd.37,577$10.3M0.06%−5,890−13.6%Reduced
Illinois Municipal Retirement Fund37,367$10.3M0.15%+495+1.3%Added
Bridger Management, LLC37,022$10.2M5.09%00.0%Unchanged
China Universal Asset Management Co., Ltd.36,340$9.99M1.10%+9,831+37.1%Added
Arizona State Retirement System36,240$9.97M0.06%+1,504+4.3%Added
Silverarc Capital Management, LLC35,774$9.84M2.22%−226−0.6%Reduced
Rosenblum Silverman Sutton S F Inc35,155$9.67M2.47%−45−0.1%Reduced
Artia Global Partners LP35,000$9.63M2.72%00.0%Unchanged
Teachers Retirement System of the State of Kentucky34,713$9.55M0.08%+1,500+4.5%Added
Acadian Asset Management LLC34,417$9.46M0.03%−2,893−7.8%Reduced
Teacher Retirement System of Texas33,650$9.26M0.04%+4,285+14.6%Added
Balyasny Asset Management LLC33,405$9.19M0.02%+33,405New
USS Investment Management Ltd32,871$9.04M0.07%−3,976−10.8%Reduced
Driehaus Capital Management LLC32,350$8.90M0.08%−139−0.4%Reduced
Tobam31,467$8.65M1.58%+1,736+5.8%Added
Envestnet Asset Management Inc31,367$8.63M0.00%+6,227+24.8%Added
Atika Capital Management LLC31,000$8.53M0.91%+6,500+26.5%Added
STRS Ohio29,468$8.10M0.03%+4,468+17.9%Added
AIA Group Ltd28,217$7.76M0.20%+8,789+45.2%Added
Schonfeld Strategic Advisors LLC27,867$7.66M0.06%−16,108−36.6%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund27,815$7.65M0.08%+27,815New
Allianz Asset Management GmbH26,806$7.37M0.01%+8,632+47.5%Added
Parallax Volatility Advisers, L.P.26,535$7.30M0.19%+26,535New
CNH Partners LLC26,430$7.26M0.17%+26,430New
IFM Investors Pty Ltd25,919$7.13M0.07%+165+0.6%Added
Mirae Asset Global ETFs Holdings Ltd.25,812$7.10M0.02%−5,481−17.5%Reduced
Parkman Healthcare Partners LLC25,485$7.01M0.89%+25,485New
DnB Asset Management AS25,398$6.99M0.03%−617−2.4%Reduced
Caisse de Depot Et Placement du Quebec25,295$6.96M0.01%00.0%Unchanged
Integral Health Asset Management, LLC25,000$6.88M0.81%+25,000New
KBC Group NV24,566$6.76M0.02%+9,470+62.7%Added
Aviva PLC24,506$6.74M0.02%+13,615+125.0%Added
Citadel Advisors LLC23,932$6.58M0.01%−343,357−93.5%Reduced
Storebrand Asset Management AS23,183$6.38M0.02%+11,897+105.4%Added
Groupama Asset Managment21,385$6.13M0.16%−2,849−11.8%Reduced
Bank of Montreal21,791$5.99M0.00%−9,385−30.1%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.21,741$5.98M0.06%+21,741New
Capital Group Investment Management Pte. Ltd.21,347$5.87M1.18%+1,777+9.1%Added
British Columbia Investment Management Corp21,108$5.81M0.03%−3,109−12.8%Reduced
Burney Co20,947$5.76M0.20%−4,492−17.7%Reduced
Utah Retirement Systems20,925$5.76M0.06%+200+1.0%Added
Xponance, Inc.20,650$5.68M0.05%−426−2.0%Reduced
EFG Asset Management (North America) Corp.20,615$5.67M0.95%+2,031+10.9%Added
Toroso Investments, LLC20,544$5.65M0.06%+8,811+75.1%Added
Aquatic Capital Management LLC20,409$5.61M0.15%+17,209+537.8%Added
Lazard Asset Management LLC19,879$5.47M0.01%−10,926−35.5%Reduced
Mackenzie Financial Corp19,691$5.42M0.01%−16,400−45.4%Reduced
Tredje AP-fonden19,483$5.36M0.05%00.0%Unchanged
Two Sigma Investments, LP19,148$5.27M0.01%−83,770−81.4%Reduced
ExodusPoint Capital Management, LP18,988$5.22M0.05%+18,988New
LPL Financial LLC18,806$5.17M0.00%+170+0.9%Added
Federation des caisses Desjardins du Quebec18,816$5.17M0.03%+2,835+17.7%Added
Hudson Bay Capital Management LP18,262$5.02M0.03%−11,738−39.1%Reduced
NEOS Investment Management LLC18,176$5.00M0.15%+531+3.0%Added
Nomura Holdings Inc17,849$4.91M0.04%+11,423+177.8%Added
Assenagon Asset Management S.A.17,633$4.85M0.01%−105,163−85.6%Reduced
Gotham Asset Management, LLC17,575$4.83M0.05%+4,338+32.8%Added
Verition Fund Management LLC17,468$4.80M0.03%+10,053+135.6%Added
Erste Asset Management GmbH16,510$4.54M0.05%−12,000−42.1%Reduced
Silvant Capital Management LLC16,195$4.45M0.20%+2,534+18.5%Added
Nissay Asset Management Corp15,623$4.30M0.03%−478−3.0%Reduced
Toronto Dominion Bank15,466$4.25M0.01%+3,315+27.3%Added
Guggenheim Capital LLC15,248$4.19M0.03%−3,939−20.5%Reduced
EFG Asset Management (Americas) Corp.14,953$4.11M0.80%−2,039−12.0%Reduced
FIL Ltd14,830$4.08M0.00%−394−2.6%Reduced