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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
Suvretta Capital Management, LLC13,824$3.80M0.14%−23,800−63.3%Reduced
Public Employees Retirement Association of Colorado13,384$3.68M0.01%00.0%Unchanged
Blair William & Co13,334$3.67M0.01%+13,334New
Cerity Partners LLC13,019$3.58M0.01%+7,445+133.6%Added
Andra AP-fonden12,700$3.49M0.05%+9,600+309.7%Added
E Fund Management Co., Ltd.12,637$3.48M0.18%+7,711+156.5%Added
The PNC Financial Services Group, Inc.12,543$3.45M0.00%+144+1.2%Added
Profund Advisors LLC12,074$3.32M0.13%−2,328−16.2%Reduced
Daiwa Securities Group Inc.12,072$3.32M0.02%+780+6.9%Added
Engineers Gate Manager LP11,863$3.26M0.06%+4,789+67.7%Added
Mariner, LLC11,719$3.22M0.01%+3,832+48.6%Added
Sumitomo Mitsui DS Asset Management Company, Ltd11,581$3.19M0.03%−533−4.4%Reduced
Nisa Investment Advisors, LLC11,528$3.17M0.02%+3,373+41.4%Added
J. Safra Sarasin Holding AG11,274$3.10M0.05%+4,403+64.1%Added
Elo Mutual Pension Insurance Co11,165$3.07M0.07%−207−1.8%Reduced
Raymond James & Associates10,942$3.01M0.00%−5,315−32.7%Reduced
Raymond James Financial Services Advisors, Inc.10,786$2.97M0.00%+8,589+390.9%Added
Cullen/Frost Bankers, Inc.10,635$2.92M0.04%+80+0.8%Added
Principal Financial Group Inc10,608$2.92M0.00%−3,581−25.2%Reduced
Mirae Asset Global Investments Co., Ltd.10,428$2.87M0.01%−2,764−21.0%Reduced
Mediolanum International Funds Ltd10,198$2.80M0.04%+10,198New
Creative Planning10,012$2.75M0.00%+1,978+24.6%Added
Natixis Advisors, L.P.10,002$2.75M0.01%+10,002New
Gulf International Bank (UK) Ltd9,853$2.71M0.07%−475−4.6%Reduced
Algert Global LLC9,825$2.70M0.07%+7,865+401.3%Added
Sectoral Asset Management Inc9,690$2.67M1.57%−2,790−22.4%Reduced
Nordea Investment Management AB9,551$2.63M0.00%+117+1.2%Added
Assetmark, Inc9,186$2.53M0.01%+700+8.2%Added
Jupiter Asset Management Ltd9,147$2.52M0.02%+9,147New
JustInvest LLC8,978$2.47M0.04%+1,825+25.5%Added
Values First Advisors, Inc.8,790$2.42M1.31%+1,200+15.8%Added
Ikarian Capital, LLC8,741$2.40M0.75%+8,741New
M&T Bank Corp8,645$2.38M0.01%+206+2.4%Added
BI Asset Management Fondsmaeglerselskab A/S8,523$2.34M0.04%+3,961+86.8%Added
Portman Square Capital LLP8,513$2.34M0.78%−3,335−28.1%Reduced
Caption Management, LLC8,405$2.31M0.25%−162,145−95.1%Reduced
Employees Retirement System of Texas8,403$2.31M0.02%+686+8.9%Added
Wealthfront Advisers LLC8,296$2.28M0.01%+200+2.5%Added
Amalgamated Bank8,279$2.28M0.02%−75−0.9%Reduced
Pinebridge Investments, L.P.8,222$2.26M0.02%−688−7.7%Reduced
GTS Securities LLC8,203$2.26M0.05%+7,107+648.4%Added
ProShare Advisors LLC7,586$2.09M0.01%−223−2.9%Reduced
Nicholas Investment Partners, LP7,526$2.07M0.19%+7,526New
CSS LLC7,500$2.06M0.12%+6,800+971.4%Added
Savant Capital, LLC7,447$2.05M0.02%+7,447New
CIBC World Markets Corp7,371$2.03M0.01%+553+8.1%Added
MetLife Investment Management7,318$2.01M0.01%−144−1.9%Reduced
Vontobel Holding Ltd.7,264$2.00M0.01%−1,149−13.7%Reduced
Traynor Capital Management, Inc.7,249$1.99M0.16%+7,249New
Maryland State Retirement & Pension System7,193$1.98M0.04%−2,643−26.9%Reduced
Intech Investment Management LLC7,145$1.97M0.02%00.0%Unchanged
Empowered Funds, LLC7,064$1.94M0.03%+5,362+315.0%Added
Investment Management Corp of Ontario7,059$1.94M0.04%+4,274+153.5%Added
Sphera Funds Management Ltd.7,000$1.93M0.31%+7,000New
Alberta Investment Management Corp6,900$1.90M0.02%+6,900New
CWM, LLC6,764$1.86M0.01%+3,272+93.7%Added
Bank of Nova Scotia6,483$1.78M0.00%−151−2.3%Reduced
Wealth Enhancement Advisory Services, LLC6,454$1.77M0.00%+2,323+56.2%Added
Pathstone Holdings, LLC6,249$1.72M0.01%+629+11.2%Added
Shell Asset Management Co6,197$1.70M0.08%+6,197New
Gateway Investment Advisers LLC6,161$1.69M0.02%−516−7.7%Reduced
Polar Asset Management Partners Inc.5,900$1.62M0.04%−4,100−41.0%Reduced
Stifel Financial Corp5,830$1.60M0.00%−109−1.8%Reduced
Advisory Services Network, LLC6,569$1.60M0.03%00.0%Unchanged
S&CO Inc5,750$1.58M0.10%00.0%Unchanged
Achmea Investment Management B.V.5,742$1.58M0.03%+1,728+43.0%Added
Westpac Banking Corp5,741$1.58M0.11%+4,274+291.3%Added
Baader Bank INC5,653$1.55M0.13%+5,653New
US Bancorp5,578$1.53M0.00%−1,516−21.4%Reduced
Banque Cantonale Vaudoise5,560$1.53M0.06%+5,560New
E. Ohman J:or Asset Management AB5,400$1.49M0.04%+5,400New
BNP PARIBAS ASSET MANAGEMENT Holding S.A.5,371$1.48M0.00%−703−11.6%Reduced
Knollwood Investment Advisory, LLC5,355$1.47M0.16%00.0%Unchanged
Commonwealth Equity Services, LLC5,303$1.46M0.00%−449−7.8%Reduced
New York State Teachers Retirement System5,283$1.45M0.00%+5,283New
Lighthouse Investment Partners, LLC5,000$1.38M0.07%+5,000New
Prelude Capital Management, LLC4,833$1.33M0.10%−100−2.0%Reduced
Captrust Financial Advisors4,833$1.33M0.00%+1,237+34.4%Added
WBI Investments4,804$1.32M0.32%+4,804New
Advisors Asset Management, Inc.4,767$1.31M0.02%+189+4.1%Added
Plato Investment Management Ltd4,702$1.29M0.10%+1,173+33.2%Added
Commerce Bank4,522$1.24M0.01%−95−2.1%Reduced
Liontrust Investment Partners LLP5,083$1.24M0.02%00.0%Unchanged
CIBC Asset Management Inc4,483$1.23M0.00%+234+5.5%Added
Ostrum Asset Management4,403$1.21M0.10%−1,339−23.3%Reduced
Beacon Investment Advisory Services, Inc.4,401$1.21M0.05%−235−5.1%Reduced
RSM US Wealth Management LLC4,370$1.21M0.02%+1,261+40.6%Added
Metis Global Partners, LLC4,380$1.20M0.04%+1,405+47.2%Added
Omers Administration Corp4,361$1.20M0.01%00.0%Unchanged
Brandywine Managers, LLC4,348$1.20M1.29%00.0%Unchanged
Ieq Capital, LLC4,193$1.15M0.01%+1,153+37.9%Added
Perpetual Ltd4,112$1.13M0.01%+4,112New
Sanctuary Advisors, LLC4,558$1.12M0.01%+2,181+91.8%Added
First Hawaiian Bank4,000$1.10M0.04%00.0%Unchanged
Howland Capital Management LLC4,000$1.10M0.05%00.0%Unchanged
J.P. Marvel Investment Advisors, LLC4,000$1.10M0.18%00.0%Unchanged
Atlantic Trust, LLC3,981$1.09M0.26%00.0%Unchanged
Gilbert & Cook, Inc.3,924$1.08M0.15%−137−3.4%Reduced
O'Shaughnessy Asset Management, LLC3,729$1.06M0.01%+2,736+275.5%Added
Walleye Capital LLC3,649$1.00M0.01%−66,658−94.8%Reduced