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Alnylam Pharmaceuticals (ALNY) Institutional Ownership

Alnylam Pharmaceuticals logo
$320.87 +3.37 (+1.06%)
Closing price 04:00 PM Eastern
Extended Trading
$320.74 -0.13 (-0.04%)
As of 06:46 PM 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)
377
Total
Institutional Inflows
(last 12 months)
$4.62B
Number of
Institutional Sellers
(last 12 months)
216
Total
Institutional Outflows
(last 12 months)
$3.87B
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ALNY Institutional Buying and Selling by Quarter

Alnylam Pharmaceuticals Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/9/2025MassMutual Private Wealth & Trust FSB196$64K0.0%+36.1%0.000%
7/8/2025E. Ohman J or Asset Management AB5,700$1.86M0.0%-1.7%0.004%
7/8/2025Parallel Advisors LLC817$266K0.0%-5.2%0.001%
6/26/2025AG2R LA Mondiale Gestion D Actifs5,825$1.57M0.1%N/A0.004%
6/23/2025Swedbank AB59,993$16.20M0.0%+8.0%0.046%
5/28/2025Strs Ohio28,817$7.78M0.0%N/A0.022%
5/21/2025Acadian Asset Management LLC8,977$2.42M0.0%-46.2%0.007%
5/21/2025Geneos Wealth Management Inc.222$60K0.0%+372.3%0.000%
5/21/2025IFM Investors Pty Ltd23,850$6.44M0.1%+0.6%0.018%
5/20/2025Intech Investment Management LLC5,898$1.59M0.0%-22.1%0.005%
5/20/2025Focus Partners Wealth4,218$1.14M0.0%-4.7%0.003%
5/20/2025Plato Investment Management Ltd4,659$1.27M0.1%-16.0%0.004%
5/19/2025Bayforest Capital Ltd306$83K0.0%+14.6%0.000%
5/19/2025SCS Capital Management LLC171,077$46.19M0.6%N/A0.131%
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC736,111$198.77M0.1%-65.7%0.565%
5/16/2025Woodline Partners LP156,464$42.25M0.3%N/A0.120%
5/16/2025Empowered Funds LLC5,901$1.59M0.0%-22.7%0.005%
5/16/2025Ascent Group LLC749$202K0.0%N/A0.001%
5/16/2025Voleon Capital Management LP 11,914$3.22M0.3%-68.0%0.009%
5/16/2025Parkman Healthcare Partners LLC68,938$18.62M2.2%+78.3%0.053%
5/16/2025Nissay Asset Management Corp Japan ADV16,214$4.38M0.0%+1.7%0.012%
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.13,953$3.76M0.0%-5.3%0.011%
5/16/2025Integrated Wealth Concepts LLC2,739$740K0.0%+9.0%0.002%
5/16/2025Jacobs Levy Equity Management Inc.152,970$41.31M0.2%N/A0.117%
5/16/2025Edmond DE Rothschild Holding S.A.318$86K0.0%+18.2%0.000%
5/16/2025EFG Asset Management North America Corp.24,691$6.67M1.1%-7.3%0.019%
5/16/2025Eventide Asset Management LLC166,450$44.94M0.9%-30.8%0.128%
5/16/2025Cinctive Capital Management LP24,862$6.71M0.5%+36.3%0.019%
5/16/2025Bridger Management LLC34,975$9.44M4.7%-15.1%0.027%
5/16/2025AQR Capital Management LLC828,344$217.03M0.2%+1.8%0.635%
5/16/2025Advisors Asset Management Inc.5,851$1.58M0.0%+3.6%0.004%
5/16/2025Adage Capital Partners GP L.L.C.282,184$76.20M0.1%+203.2%0.216%
5/15/2025Federation des caisses Desjardins du Quebec9,422$2.55M0.0%+3.8%0.007%
5/15/2025Palo Alto Investors LP83,488$22.54M4.3%-40.7%0.064%
5/15/2025EP Wealth Advisors LLC998$269K0.0%N/A0.001%
5/15/2025Focus Partners Advisor Solutions LLC2,724$736K0.0%+216.0%0.002%
5/15/2025Point72 Europe London LLP15,958$4.31M0.3%N/A0.012%
5/15/2025Graham Capital Management L.P.1,910$516K0.0%-18.7%0.001%
5/15/2025Panagora Asset Management Inc.96,804$26.14M0.1%+74.5%0.074%
5/15/2025Orbis Allan Gray Ltd1,634,923$441.46M2.5%+11.0%1.254%
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5/15/2025Vident Advisory LLC2,667$720K0.0%+101.0%0.002%
5/15/2025Kodai Capital Management LP21,159$5.71M0.2%N/A0.016%
5/15/2025The Manufacturers Life Insurance Company 98,869$26.69M0.0%-9.4%0.076%
5/15/2025Driehaus Capital Management LLC57,128$15.43M0.1%+70.6%0.044%
5/15/2025Canada Pension Plan Investment Board60,532$16.35M0.0%-65.2%0.046%
5/15/2025Iron Triangle Partners LP65,409$17.66M2.8%N/A0.050%
5/15/2025Tema Etfs LLC6,475$1.75M0.5%-60.3%0.005%
5/15/2025Lansforsakringar Fondforvaltning AB publ 42,303$11.42M0.1%-0.6%0.032%
5/15/2025OMERS ADMINISTRATION Corp4,517$1.22M0.0%-14.0%0.003%
5/14/2025B. Metzler seel. Sohn & Co. AG3,233$873K0.0%-1.4%0.002%
5/14/2025Ieq Capital LLC44,014$11.89M0.1%+13.4%0.034%
5/14/2025Rafferty Asset Management LLC44,585$12.04M0.1%-15.6%0.034%
5/14/2025FORA Capital LLC8,624$2.33M0.2%-32.1%0.007%
5/14/2025Caisse DE Depot ET Placement DU Quebec23,763$6.42M0.0%+137.2%0.018%
5/14/2025Corebridge Financial Inc.2,128$575K0.0%-3.7%0.002%
5/14/2025Comerica Bank17,253$4.66M0.0%+23.3%0.013%
5/14/2025Freedom Investment Management Inc.1,028$278K0.0%-12.1%0.001%
5/14/2025Dodge & Cox3,351,762$905.04M0.5%-5.3%2.571%
5/14/2025Jump Financial LLC15,717$4.24M0.1%+3.8%0.012%
5/14/2025SVB Wealth LLC100$27K0.0%N/A0.000%
5/14/2025Smartleaf Asset Management LLC895$240K0.0%+19.8%0.001%
5/14/2025Northwestern Mutual Wealth Management Co.525$142K0.0%+10.3%0.000%
5/14/2025BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp24,666$6.66M0.0%+0.3%0.019%
5/14/2025Allstate Corp4,701$1.27M0.0%+23.8%0.004%
5/14/20251832 Asset Management L.P.144,045$38.90M0.0%N/A0.110%
5/14/2025Kaufman Rossin Wealth LLC1,300$351K0.3%N/A0.001%
5/14/2025Price T Rowe Associates Inc. MD3,505,168$946.47M0.1%+5.6%2.688%
5/14/2025T. Rowe Price Investment Management Inc.4,418,145$1.19B0.8%+0.8%3.388%
5/14/2025EntryPoint Capital LLC2,364$638K0.3%-7.0%0.002%
5/14/2025Credit Agricole S A3,287$888K0.0%-17.7%0.003%
5/14/2025Banco Bilbao Vizcaya Argentaria S.A.22,763$6.15M0.1%+2.7%0.017%
5/14/2025Groupama Asset Managment1,540,139$415.87M3.3%+0.8%1.181%
5/14/2025BI Asset Management Fondsmaeglerselskab A S5,342$1.44M0.0%-54.6%0.004%
5/14/2025Hsbc Holdings PLC61,265$16.48M0.0%-0.5%0.047%
5/14/2025Korea Investment CORP105,759$28.56M0.1%+13.0%0.081%
5/13/2025Northern Trust Corp865,020$233.57M0.0%-1.6%0.663%
5/13/2025Algert Global LLC1,150$311K0.0%N/A0.001%
5/13/2025Raymond James Financial Inc.268,970$72.63M0.0%-3.1%0.206%
5/13/2025State of New Jersey Common Pension Fund D43,745$11.81M0.1%-7.9%0.034%
5/13/2025American Century Companies Inc.1,760,435$475.35M0.3%+9.8%1.350%
5/13/2025Ethic Inc.2,043$523K0.0%-58.2%0.002%
5/13/2025Aberdeen Group plc215,385$57.05M0.1%+12.9%0.165%
5/13/2025Liontrust Investment Partners LLP18,880$5.10M0.1%+34.6%0.014%
5/13/2025Kovitz Investment Group Partners LLC2,349$634K0.0%-10.8%0.002%
5/13/2025Fjarde AP Fonden Fourth Swedish National Pension Fund26,915$7.27M0.1%-7.6%0.021%
5/13/2025E Fund Management Co. Ltd.12,708$3.43M0.2%+3.4%0.010%
5/13/2025Caitong International Asset Management Co. Ltd618$167K0.1%+3,762.5%0.000%
5/13/2025Gulf International Bank UK Ltd7,364$1.99M0.1%-24.5%0.006%
5/13/2025S Bank Fund Management Ltd1,760$475K0.1%N/A0.001%
5/13/2025National Pension Service173,659$46.89M0.0%+8.9%0.133%
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5/13/2025Prudential PLC2,047$553K0.0%-52.2%0.002%
5/13/2025Resona Asset Management Co. Ltd.38,920$10.50M0.1%+6.2%0.030%
5/13/2025Westpac Banking Corp5,073$1.37M0.1%-52.0%0.004%
5/13/2025HighTower Advisors LLC113,857$30.74M0.0%-1.3%0.087%
5/12/2025AIA Group Ltd26,491$7.15M0.2%+15.9%0.020%
5/12/2025Motley Fool Asset Management LLC6,029$1.63M0.1%+217.5%0.005%
5/12/2025Covestor Ltd415$112K0.1%-9.4%0.000%
5/12/2025Townsquare Capital LLC1,059$286K0.0%+9.6%0.001%
5/12/2025Zions Bancorporation National Association UT646$174K0.0%N/A0.000%
5/12/2025Forsta AP Fonden25,800$6.97M0.1%-52.9%0.020%
(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, 579 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 491 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 18,982,119 shares in the last 24 months. This purchase volume represents approximately $4.62B in transactions.

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

Of the 217 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), Baillie Gifford & Co. ($2.97M), Capital International Investors ($2.55M), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($1.41M), Canada Pension Plan Investment Board ($284.33K), Dodge & Cox ($270.77K), and The Manufacturers Life Insurance Company ($238.16K).

How much institutional selling is happening at Alnylam Pharmaceuticals?

Institutional investors have sold a total of 15,018,797 shares in the last 24 months. This volume of shares sold represents approximately $3.87B in transactions.


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This page (NASDAQ:ALNY) was last updated on 7/9/2025 by MarketBeat.com Staff
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