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Alnylam Pharmaceuticals (ALNY) Institutional Ownership

Alnylam Pharmaceuticals logo
$429.45 -5.65 (-1.30%)
As of 10:33 AM Eastern
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Institutional Ownership Changes (13F Filings) for Alnylam Pharmaceuticals (NASDAQ:ALNY)

Current
Institutional Ownership
Percentage
92.97%
Number of
Institutional Buyers
(last 12 months)
391
Total
Institutional Inflows
(last 12 months)
$4.66B
Number of
Institutional Sellers
(last 12 months)
235
Total
Institutional Outflows
(last 12 months)
$4.09B
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ALNY Institutional Buying and Selling by Quarter

Alnylam Pharmaceuticals Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/8/2025PNC Financial Services Group Inc.13,170$4.30M0.0%+0.3%0.010%
8/8/2025Tobam353$115K0.0%-89.5%0.000%
8/8/2025Forsta AP Fonden26,400$8.61M0.1%+2.3%0.020%
8/8/2025KBC Group NV193,550$63.12M0.2%-39.4%0.148%
8/8/2025Jupiter Asset Management Ltd.974$318K0.0%-93.3%0.001%
8/8/2025Mitsubishi UFJ Trust & Banking Corp85,734$27.96M0.1%-22.5%0.065%
8/8/2025National Pension Service175,046$57.08M0.0%+0.8%0.134%
8/7/2025Cascade Financial Partners LLC627$204K0.0%N/A0.000%
8/7/2025Vise Technologies Inc.1,334$435K0.0%N/A0.001%
8/7/2025Allworth Financial LP691$225K0.0%+11.8%0.001%
8/7/2025Illinois Municipal Retirement Fund26,046$8.49M0.1%-58.4%0.020%
8/7/2025Fidelis Capital Partners LLC536$175K0.0%N/A0.000%
8/7/2025ProShare Advisors LLC4,241$1.38M0.0%-27.4%0.003%
8/7/2025Profund Advisors LLC6,418$2.09M0.1%-27.3%0.005%
8/7/2025Acadian Asset Management LLC7,719$2.52M0.0%-14.0%0.006%
8/7/2025Mitsubishi UFJ Asset Management Co. Ltd.111,785$36.45M0.0%+5.6%0.085%
8/7/2025Parkside Financial Bank & Trust179$58K0.0%+32.6%0.000%
8/7/2025Aviva PLC97,065$31.65M0.1%+7.8%0.074%
8/7/2025Los Angeles Capital Management LLC67,399$21.98M0.1%-16.6%0.051%
8/6/2025 Fox Run Management L.L.C.1,263$412K0.1%N/A0.001%
8/6/2025 Metis Global Partners LLC4,637$1.51M0.0%-16.7%0.004%
8/6/2025 Vestmark Advisory Solutions Inc.1,740$567K0.0%N/A0.001%
8/6/2025 Savant Capital LLC3,766$1.23M0.0%-77.3%0.003%
8/6/2025 Souders Financial Advisors1,359$443K0.1%-24.2%0.001%
8/6/2025 Andra AP fonden6,900$2.25M0.0%-58.9%0.005%
8/6/2025 Resona Asset Management Co. Ltd.43,700$14.23M0.1%+12.3%0.033%
8/6/2025 Atlantic Union Bankshares Corp92$30K0.0%N/A0.000%
8/6/2025 Asahi Life Asset Management CO. LTD.1,280$417K0.2%-11.1%0.001%
8/6/2025 EFG Asset Management North America Corp.21,162$6.89M1.0%-14.3%0.016%
8/6/2025 First Horizon Advisors Inc.187$61K0.0%+50.8%0.000%
8/6/2025 Genus Capital Management Inc.8,230$2.68M0.3%+34.3%0.006%
8/5/2025 Fourth Dimension Wealth LLC589$192K0.1%+16.9%0.000%
8/5/2025 Hussman Strategic Advisors Inc.6,300$2.05M0.5%-25.0%0.005%
8/5/2025 Bank of Montreal Can13,111$4.28M0.0%-98.7%0.010%
8/5/2025 Burney Co.5,142$1.68M0.1%-17.1%0.004%
8/5/2025 Tredje AP fonden12,202$3.98M0.0%-23.3%0.009%
8/5/2025 Gilbert & Cook Inc.3,994$1.30M0.2%+2.3%0.003%
8/5/2025 Sumitomo Life Insurance Co.2,118$691K0.0%N/A0.002%
8/5/2025 Plato Investment Management Ltd4,113$1.34M0.1%-11.7%0.003%
8/5/2025 ANTIPODES PARTNERS Ltd122,804$40.05M1.2%-23.0%0.094%
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8/4/2025 Simon Quick Advisors LLC682$222K0.0%N/A0.001%
8/4/2025 Strs Ohio30,140$9.83M0.0%+4.6%0.023%
8/4/2025 Amalgamated Bank9,468$3.09M0.0%+6.9%0.007%
8/4/2025 Atria Investments Inc4,276$1.39M0.0%+1.7%0.003%
8/4/2025 Assetmark Inc.11,543$3.76M0.0%+8.5%0.009%
8/4/2025 Keybank National Association OH2,757$899K0.0%-1.3%0.002%
8/4/2025 Hantz Financial Services Inc.379$124K0.0%N/A0.000%
8/4/2025 Emerald Advisers LLC1,941$633K0.0%+29.7%0.001%
8/1/2025 Jennison Associates LLC350,070$114.15M0.1%+13.2%0.268%
8/1/2025 New York Life Investment Management LLC2,103$686K0.0%-5.0%0.002%
8/1/2025 Howard Capital Management Inc.830$271K0.0%N/A0.001%
8/1/2025 Motley Fool Asset Management LLC6,652$2.17M0.1%+10.3%0.005%
8/1/2025 Fjarde AP Fonden Fourth Swedish National Pension Fund30,015$9.79M0.1%+11.5%0.023%
8/1/2025 SYM FINANCIAL Corp944$308K0.0%-6.9%0.001%
8/1/2025 Teacher Retirement System of Texas36,408$11.87M0.0%+3.2%0.028%
8/1/2025 Convergence Investment Partners LLC2,259$737K0.2%N/A0.002%
8/1/2025 Bessemer Group Inc.192$63K0.0%+77.8%0.000%
8/1/2025 Envestnet Asset Management Inc.95,796$31.24M0.0%+33.0%0.073%
7/31/2025 Nisa Investment Advisors LLC8,242$2.69M0.0%+1.1%0.006%
7/31/2025 Wealthfront Advisers LLC12,084$3.94M0.0%+38.6%0.009%
7/31/2025 Orion Capital Management LLC3,240$1.06M0.4%-3.0%0.002%
7/31/2025 Brighton Jones LLC1,032$336K0.0%-14.6%0.001%
7/31/2025 Kornitzer Capital Management Inc. KS23,164$7.55M0.2%+1,058.2%0.018%
7/31/2025 Focus Partners Advisor Solutions LLC810$263K0.0%-70.3%0.001%
7/31/2025 State of New Jersey Common Pension Fund D43,859$14.30M0.1%+0.3%0.034%
7/31/2025 AlphaQuest LLC132$43K0.0%N/A0.000%
7/31/2025 Sumitomo Mitsui Trust Group Inc.293,542$95.72M0.1%+0.7%0.225%
7/31/2025 Catalyst Capital Advisors LLC453$148K0.0%N/A0.000%
7/31/2025 Asset Management One Co. Ltd.69,310$22.60M0.1%+1.2%0.053%
7/30/2025 Freedom Investment Management Inc.934$305K0.0%-9.1%0.001%
7/30/2025 Forum Financial Management LP1,556$507K0.0%+9.0%0.001%
7/30/2025 Ethic Inc.2,176$703K0.0%+6.5%0.002%
7/30/2025 Cullen Frost Bankers Inc.10,795$3.52M0.0%+0.7%0.008%
7/30/2025 DekaBank Deutsche Girozentrale113,193$36.50M0.1%+0.1%0.087%
7/29/2025 Mutual of America Capital Management LLC15,946$5.20M0.1%+16.9%0.012%
7/29/2025 Values First Advisors Inc.3,947$1.29M0.7%-51.3%0.003%
7/29/2025 Nordea Investment Management AB11,295$3.64M0.0%+10.4%0.009%
7/29/2025 S Bank Fund Management Ltd1,614$526K0.1%-8.3%0.001%
7/28/2025 Allianz Asset Management GmbH205,993$67.17M0.1%-5.7%0.158%
7/28/2025 New York State Teachers Retirement System191$62K0.0%-88.6%0.000%
7/28/2025 Sagespring Wealth Partners LLC916$299K0.0%N/A0.001%
7/28/2025 TD Asset Management Inc441,177$143.86M0.1%-9.3%0.338%
7/28/2025 Wilmington Savings Fund Society FSB1,686$550K0.0%+53.6%0.001%
7/28/2025 Perfromance Wealth Partners LLC735$240K0.0%N/A0.001%
7/25/2025 Envestnet Portfolio Solutions Inc.1,164$380K0.0%+34.3%0.001%
7/25/2025 Sequoia Financial Advisors LLC3,917$1.28M0.0%+15.4%0.003%
7/25/2025 Yousif Capital Management LLC1,567$511K0.0%-6.3%0.001%
7/25/2025 Allspring Global Investments Holdings LLC312,216$100.55M0.2%+15.2%0.239%
7/25/2025 CWM LLC5,512$1.80M0.0%-66.9%0.004%
7/25/2025 OFI Invest Asset Management381$124K0.0%+26.2%0.000%
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7/25/2025 Vanguard Personalized Indexing Management LLC13,390$4.37M0.0%+47.3%0.010%
7/25/2025 Sivik Global Healthcare LLC6,500$2.12M0.6%N/A0.005%
7/24/2025 Aberdeen Group plc218,624$70.36M0.1%+1.5%0.168%
7/24/2025 Blue Trust Inc.1,293$422K0.0%+11.7%0.001%
7/24/2025 IFP Advisors Inc200$65K0.0%-13.8%0.000%
7/24/2025 Callan Family Office LLC2,931$956K0.0%+187.9%0.002%
7/24/2025 Blair William & Co. IL10,592$3.45M0.0%-4.4%0.008%
7/23/2025 Vontobel Holding Ltd.2,917$951K0.0%+72.5%0.002%
7/23/2025 Shell Asset Management Co.7,257$2.37M0.1%+28.3%0.006%
7/23/2025 KLP Kapitalforvaltning AS49,100$16.01M0.1%+12.4%0.038%
(Data available from 1/1/2016 forward)

ALNY Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ALNY shares?

During the previous two years, 592 institutional investors and hedge funds held shares of Alnylam Pharmaceuticals. The most heavily invested institutionals were Capital World Investors ($3.91B), Vanguard Group Inc. ($3.53B), Capital Research Global Investors ($1.64B), BlackRock Inc. ($1.59B), T. Rowe Price Investment Management Inc. ($1.19B), Wellington Management Group LLP ($1.14B), and Regeneron Pharmaceuticals Inc. ($1.05B).Learn more on Alnylam Pharmaceuticals' institutional investors.

What percentage of Alnylam Pharmaceuticals' stock is owned by institutional investors?

92.97% of Alnylam Pharmaceuticals' stock is owned by institutional investors. Learn more on ALNY's institutional investor holdings.

Which institutional investors have been buying Alnylam Pharmaceuticals' stock?

Of the 504 institutional investors that purchased Alnylam Pharmaceuticals' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Norges Bank ($4.50M), Regeneron Pharmaceuticals Inc. ($4.44M), Capital Research Global Investors ($2.09M), T. Rowe Price Investment Management Inc. ($1.28M), Capital International Investors ($1.20M), Vanguard Group Inc. ($789.55K), and AQR Capital Management LLC ($453.17K).

How much institutional buying is happening at Alnylam Pharmaceuticals?

Institutional investors have bought a total of 19,042,010 shares in the last 24 months. This purchase volume represents approximately $4.66B in transactions.

Which of Alnylam Pharmaceuticals' major shareholders have been selling company stock?

Of the 231 institutional investors that sold Alnylam Pharmaceuticals' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: New York State Common Retirement Fund ($3.74M), Capital International Investors ($2.55M), Baillie Gifford & Co. ($2.38M), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($1.41M), Bank of Montreal Can ($992.57K), Canada Pension Plan Investment Board ($284.33K), and Dodge & Cox ($270.77K).

How much institutional selling is happening at Alnylam Pharmaceuticals?

Institutional investors have sold a total of 15,435,030 shares in the last 24 months. This volume of shares sold represents approximately $4.09B in transactions.



This page (NASDAQ:ALNY) was last updated on 8/8/2025 by MarketBeat.com Staff
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