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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
US Bancorp5,578$1.53M0.00%−1,516−21.4%Reduced
Baader Bank INC5,653$1.55M0.13%+5,653New
Westpac Banking Corp5,741$1.58M0.11%+4,274+291.3%Added
Achmea Investment Management B.V.5,742$1.58M0.03%+1,728+43.0%Added
S&CO Inc5,750$1.58M0.10%00.0%Unchanged
Advisory Services Network, LLC6,569$1.60M0.03%00.0%Unchanged
Stifel Financial Corp5,830$1.60M0.00%−109−1.8%Reduced
Polar Asset Management Partners Inc.5,900$1.62M0.04%−4,100−41.0%Reduced
Gateway Investment Advisers LLC6,161$1.69M0.02%−516−7.7%Reduced
Shell Asset Management Co6,197$1.70M0.08%+6,197New
Pathstone Holdings, LLC6,249$1.72M0.01%+629+11.2%Added
Wealth Enhancement Advisory Services, LLC6,454$1.77M0.00%+2,323+56.2%Added
Bank of Nova Scotia6,483$1.78M0.00%−151−2.3%Reduced
CWM, LLC6,764$1.86M0.01%+3,272+93.7%Added
Alberta Investment Management Corp6,900$1.90M0.02%+6,900New
Sphera Funds Management Ltd.7,000$1.93M0.31%+7,000New
Investment Management Corp of Ontario7,059$1.94M0.04%+4,274+153.5%Added
Empowered Funds, LLC7,064$1.94M0.03%+5,362+315.0%Added
Intech Investment Management LLC7,145$1.97M0.02%00.0%Unchanged
Maryland State Retirement & Pension System7,193$1.98M0.04%−2,643−26.9%Reduced
Traynor Capital Management, Inc.7,249$1.99M0.16%+7,249New
Vontobel Holding Ltd.7,264$2.00M0.01%−1,149−13.7%Reduced
MetLife Investment Management7,318$2.01M0.01%−144−1.9%Reduced
CIBC World Markets Corp7,371$2.03M0.01%+553+8.1%Added
Savant Capital, LLC7,447$2.05M0.02%+7,447New
CSS LLC7,500$2.06M0.12%+6,800+971.4%Added
Nicholas Investment Partners, LP7,526$2.07M0.19%+7,526New
ProShare Advisors LLC7,586$2.09M0.01%−223−2.9%Reduced
GTS Securities LLC8,203$2.26M0.05%+7,107+648.4%Added
Pinebridge Investments, L.P.8,222$2.26M0.02%−688−7.7%Reduced
Amalgamated Bank8,279$2.28M0.02%−75−0.9%Reduced
Wealthfront Advisers LLC8,296$2.28M0.01%+200+2.5%Added
Employees Retirement System of Texas8,403$2.31M0.02%+686+8.9%Added
Caption Management, LLC8,405$2.31M0.25%−162,145−95.1%Reduced
Portman Square Capital LLP8,513$2.34M0.78%−3,335−28.1%Reduced
BI Asset Management Fondsmaeglerselskab A/S8,523$2.34M0.04%+3,961+86.8%Added
M&T Bank Corp8,645$2.38M0.01%+206+2.4%Added
Ikarian Capital, LLC8,741$2.40M0.75%+8,741New
Values First Advisors, Inc.8,790$2.42M1.31%+1,200+15.8%Added
JustInvest LLC8,978$2.47M0.04%+1,825+25.5%Added
Jupiter Asset Management Ltd9,147$2.52M0.02%+9,147New
Assetmark, Inc9,186$2.53M0.01%+700+8.2%Added
Nordea Investment Management AB9,551$2.63M0.00%+117+1.2%Added
Sectoral Asset Management Inc9,690$2.67M1.57%−2,790−22.4%Reduced
Algert Global LLC9,825$2.70M0.07%+7,865+401.3%Added
Gulf International Bank (UK) Ltd9,853$2.71M0.07%−475−4.6%Reduced
Natixis Advisors, L.P.10,002$2.75M0.01%+10,002New
Creative Planning10,012$2.75M0.00%+1,978+24.6%Added
Mediolanum International Funds Ltd10,198$2.80M0.04%+10,198New
Mirae Asset Global Investments Co., Ltd.10,428$2.87M0.01%−2,764−21.0%Reduced
Principal Financial Group Inc10,608$2.92M0.00%−3,581−25.2%Reduced
Cullen/Frost Bankers, Inc.10,635$2.92M0.04%+80+0.8%Added
Raymond James Financial Services Advisors, Inc.10,786$2.97M0.00%+8,589+390.9%Added
Raymond James & Associates10,942$3.01M0.00%−5,315−32.7%Reduced
Elo Mutual Pension Insurance Co11,165$3.07M0.07%−207−1.8%Reduced
J. Safra Sarasin Holding AG11,274$3.10M0.05%+4,403+64.1%Added
Nisa Investment Advisors, LLC11,528$3.17M0.02%+3,373+41.4%Added
Sumitomo Mitsui DS Asset Management Company, Ltd11,581$3.19M0.03%−533−4.4%Reduced
Mariner, LLC11,719$3.22M0.01%+3,832+48.6%Added
Engineers Gate Manager LP11,863$3.26M0.06%+4,789+67.7%Added
Daiwa Securities Group Inc.12,072$3.32M0.02%+780+6.9%Added
Profund Advisors LLC12,074$3.32M0.13%−2,328−16.2%Reduced
The PNC Financial Services Group, Inc.12,543$3.45M0.00%+144+1.2%Added
E Fund Management Co., Ltd.12,637$3.48M0.18%+7,711+156.5%Added
Andra AP-fonden12,700$3.49M0.05%+9,600+309.7%Added
Cerity Partners LLC13,019$3.58M0.01%+7,445+133.6%Added
Blair William & Co13,334$3.67M0.01%+13,334New
Public Employees Retirement Association of Colorado13,384$3.68M0.01%00.0%Unchanged
Suvretta Capital Management, LLC13,824$3.80M0.14%−23,800−63.3%Reduced
FIL Ltd14,830$4.08M0.00%−394−2.6%Reduced
EFG Asset Management (Americas) Corp.14,953$4.11M0.80%−2,039−12.0%Reduced
Guggenheim Capital LLC15,248$4.19M0.03%−3,939−20.5%Reduced
Toronto Dominion Bank15,466$4.25M0.01%+3,315+27.3%Added
Nissay Asset Management Corp15,623$4.30M0.03%−478−3.0%Reduced
Silvant Capital Management LLC16,195$4.45M0.20%+2,534+18.5%Added
Erste Asset Management GmbH16,510$4.54M0.05%−12,000−42.1%Reduced
Verition Fund Management LLC17,468$4.80M0.03%+10,053+135.6%Added
Gotham Asset Management, LLC17,575$4.83M0.05%+4,338+32.8%Added
Assenagon Asset Management S.A.17,633$4.85M0.01%−105,163−85.6%Reduced
Nomura Holdings Inc17,849$4.91M0.04%+11,423+177.8%Added
NEOS Investment Management LLC18,176$5.00M0.15%+531+3.0%Added
Hudson Bay Capital Management LP18,262$5.02M0.03%−11,738−39.1%Reduced
Federation des caisses Desjardins du Quebec18,816$5.17M0.03%+2,835+17.7%Added
LPL Financial LLC18,806$5.17M0.00%+170+0.9%Added
ExodusPoint Capital Management, LP18,988$5.22M0.05%+18,988New
Two Sigma Investments, LP19,148$5.27M0.01%−83,770−81.4%Reduced
Tredje AP-fonden19,483$5.36M0.05%00.0%Unchanged
Mackenzie Financial Corp19,691$5.42M0.01%−16,400−45.4%Reduced
Lazard Asset Management LLC19,879$5.47M0.01%−10,926−35.5%Reduced
Aquatic Capital Management LLC20,409$5.61M0.15%+17,209+537.8%Added
Toroso Investments, LLC20,544$5.65M0.06%+8,811+75.1%Added
EFG Asset Management (North America) Corp.20,615$5.67M0.95%+2,031+10.9%Added
Xponance, Inc.20,650$5.68M0.05%−426−2.0%Reduced
Utah Retirement Systems20,925$5.76M0.06%+200+1.0%Added
Burney Co20,947$5.76M0.20%−4,492−17.7%Reduced
British Columbia Investment Management Corp21,108$5.81M0.03%−3,109−12.8%Reduced
Capital Group Investment Management Pte. Ltd.21,347$5.87M1.18%+1,777+9.1%Added
Banco Bilbao Vizcaya Argentaria, S.A.21,741$5.98M0.06%+21,741New
Bank of Montreal21,791$5.99M0.00%−9,385−30.1%Reduced
Groupama Asset Managment21,385$6.13M0.16%−2,849−11.8%Reduced