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Alkermes (ALKS) Institutional Ownership

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$31.21 -0.17 (-0.54%)
Closing price 10/10/2025 04:00 PM Eastern
Extended Trading
$30.45 -0.76 (-2.43%)
As of 10/10/2025 05:20 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Alkermes (NASDAQ:ALKS)

Current
Institutional Ownership
Percentage
95.21%
Number of
Institutional Buyers
(last 12 months)
239
Total
Institutional Inflows
(last 12 months)
$1.04B
Number of
Institutional Sellers
(last 12 months)
165
Total
Institutional Outflows
(last 12 months)
$948.25M
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ALKS Institutional Buying and Selling by Quarter

Alkermes Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/10/2025 Wedge Capital Management L L P NC141,090$4.23M0.1%+9.8%0.085%
10/9/2025 Voya Investment Management LLC533,650$16.01M0.0%+6.0%0.323%
10/7/2025 Assenagon Asset Management S.A.106,561$3.20M0.0%+26.8%0.065%
10/2/2025 GAMMA Investing LLC4,394$132K0.0%-11.5%0.003%
9/26/2025Corient Private Wealth LLC41,492$1.19M0.0%+3.8%0.025%
9/24/2025Texas Permanent School Fund Corp90,738$2.60M0.0%+17.0%0.055%
9/4/2025Osaic Holdings Inc.1,945$56K0.0%+56.4%0.001%
8/28/2025China Universal Asset Management Co. Ltd.33,120$948K0.1%+1.5%0.020%
8/27/2025Orion Porfolio Solutions LLC8,386$240K0.0%-26.7%0.005%
8/27/2025Squarepoint Ops LLC49,267$1.41M0.0%+65.5%0.030%
8/26/2025Thrivent Financial for Lutherans121,254$3.47M0.0%+1.5%0.073%
8/25/2025Neuberger Berman Group LLC196,331$5.62M0.0%-1.8%0.119%
8/19/2025State of Wyoming18,677$534K0.1%+68.0%0.011%
8/19/2025Hohimer Wealth Management LLC9,319$267K0.0%-24.6%0.006%
8/16/2025Public Sector Pension Investment Board636,913$18.22M0.1%+8.8%0.386%
8/15/2025Tower Research Capital LLC TRC 13,710$392K0.0%+88.5%0.008%
8/15/2025Corient Private Wealth LLC41,494$1.19M0.0%+3.8%0.025%
8/15/2025State of Tennessee Department of Treasury72,275$2.07M0.0%-1.6%0.044%
8/15/2025E Fund Management Co. Ltd.18,003$515K0.0%+28.0%0.011%
8/15/2025Captrust Financial Advisors32,019$916K0.0%+64.5%0.019%
8/15/2025Vident Advisory LLC59,576$1.70M0.0%+4.9%0.036%
8/15/2025Tidal Investments LLC35,130$1.01M0.0%+1.1%0.021%
8/15/2025Rafferty Asset Management LLC161,285$4.61M0.0%+7.2%0.098%
8/15/2025Oxford Asset Management LLP32,321$925K0.3%+392.3%0.020%
8/15/2025Orion Porfolio Solutions LLC8,386$240K0.0%-26.7%0.005%
8/15/2025Man Group plc275,822$7.89M0.0%+103.1%0.167%
8/15/2025Lazard Asset Management LLC23,753$679K0.0%-83.0%0.014%
8/15/2025Holocene Advisors LP2,853,768$81.65M0.2%+31.2%1.729%
8/15/2025Frazier Life Sciences Management L.P.1,000,647$28.63M1.1%+66.5%0.606%
8/15/2025EcoR1 Capital LLC500,000$14.31M0.8%N/A0.303%
8/15/2025Engineers Gate Manager LP47,594$1.36M0.0%+44.3%0.029%
8/15/2025BNP Paribas Financial Markets1,135,478$32.49M0.0%+787.2%0.688%
8/15/2025Boothbay Fund Management LLC10,000$286K0.0%N/A0.006%
8/15/2025Bank of America Corp DE2,155,087$61.66M0.0%+43.0%1.305%
8/15/2025Ameriprise Financial Inc.706,007$20.20M0.0%+33.0%0.428%
8/15/2025AQR Capital Management LLC452,522$12.95M0.0%-15.0%0.274%
8/14/2025MPM Bioimpact LLC549,262$15.71M2.7%+62.7%0.333%
8/14/2025PDT Partners LLC91,610$2.62M0.1%-30.3%0.055%
8/14/2025Commodore Capital LP2,450,000$70.09M4.9%+25.6%1.484%
8/14/2025Jane Street Group LLC357,097$10.22M0.0%-32.8%0.216%
8/14/2025Raymond James Financial Inc.454,417$13.00M0.0%+5.8%0.275%
8/14/2025Canada Pension Plan Investment Board370,900$10.61M0.0%+21.4%0.225%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.96,813$2.77M0.0%-5.9%0.059%
8/14/2025DZ BANK AG Deutsche Zentral Genossenschafts Bank Frankfurt am Main3,342$96K0.0%-74.6%0.002%
8/14/2025TFG Asset Management GP Ltd15,632$447K0.1%N/A0.009%
8/14/2025The Manufacturers Life Insurance Company 208,088$5.95M0.0%+6.7%0.126%
8/14/2025Squarepoint Ops LLC49,267$1.41M0.0%+65.5%0.030%
8/14/2025Sei Investments Co.216,906$6.21M0.0%+125.4%0.131%
8/14/2025HighVista Strategies LLC52,944$1.52M0.6%-25.2%0.032%
8/14/2025Stempoint Capital LP351,124$10.04M3.2%+82.5%0.213%
8/14/2025AXA S.A.236,189$6.76M0.0%+0.2%0.143%
8/14/2025State Street Corp8,208,256$234.84M0.0%+2.3%4.972%
8/14/2025California Public Employees Retirement System308,542$8.83M0.0%+5.2%0.187%
8/14/2025Cerity Partners LLC20,010$572K0.0%-23.7%0.012%
8/14/2025Federated Hermes Inc.22,814$653K0.0%-71.3%0.014%
8/13/2025Amundi27,020$784K0.0%-59.9%0.016%
8/13/2025Marshall Wace LLP207,511$5.94M0.0%N/A0.126%
8/13/2025First Trust Advisors LP1,397,281$39.98M0.0%-13.8%0.846%
8/13/2025EverSource Wealth Advisors LLC3,283$94K0.0%+96.2%0.002%
8/13/2025Invesco Ltd.613,023$17.54M0.0%-16.7%0.371%
8/13/2025Arrowstreet Capital Limited Partnership103,278$2.96M0.0%N/A0.063%
8/13/2025Quantbot Technologies LP6,976$200K0.0%+539.4%0.004%
8/13/2025Fisher Asset Management LLC291,947$8.35M0.0%-9.2%0.177%
8/13/2025Edgestream Partners L.P.73,898$2.11M0.1%-33.0%0.045%
8/13/2025Panagora Asset Management Inc.877,174$25.10M0.1%+2.0%0.531%
8/13/2025Schroder Investment Management Group48,506$1.39M0.0%N/A0.029%
8/13/2025Mackenzie Financial Corp290,327$8.31M0.0%+22.5%0.176%
8/13/2025Loomis Sayles & Co. L P2,109,894$60.36M0.1%-13.5%1.278%
8/13/2025Neuberger Berman Group LLC196,331$5.62M0.0%-1.8%0.119%
8/13/2025Norges Bank1,863,895$53.33M0.0%N/A1.129%
8/13/2025Hsbc Holdings PLC110,816$3.18M0.0%+36.7%0.067%
8/13/2025Capital Fund Management S.A.39,929$1.14M0.0%N/A0.024%
8/13/2025Advantage Alpha Capital Partners LP17,322$496K0.1%-18.9%0.010%
8/13/2025State Board of Administration of Florida Retirement System97,350$2.79M0.0%-20.5%0.059%
8/13/2025Elevation Point Wealth Partners LLC2,862$82K0.0%N/A0.002%
8/13/2025Quadrant Capital Group LLC14,353$411K0.0%-26.8%0.009%
8/13/2025Choreo LLC24,314$696K0.0%+16.8%0.015%
8/13/2025Russell Investments Group Ltd.140,723$4.05M0.0%-7.9%0.085%
8/12/2025Horizon Kinetics Asset Management LLC22,066$631K0.0%-4.2%0.013%
8/12/2025Prudential Financial Inc.176,301$5.04M0.0%-1.3%0.107%
8/12/2025American Century Companies Inc.3,657,223$104.63M0.1%+5.5%2.215%
8/12/2025Segall Bryant & Hamill LLC593,938$16.99M0.2%+12.3%0.360%
8/12/2025Rhumbline Advisers472,857$13.53M0.0%+3.9%0.286%
8/12/2025Legal & General Group Plc535,342$15.32M0.0%-3.1%0.324%
8/12/2025Neo Ivy Capital Management16,150$462K0.1%N/A0.010%
8/12/2025JPMorgan Chase & Co.4,836,294$138.37M0.0%-7.6%2.930%
8/12/2025DNB Asset Management AS11,446$327K0.0%+15.3%0.007%
8/12/2025Magnetar Financial LLC123,678$3.54M0.0%N/A0.075%
8/12/2025Swiss National Bank299,300$8.56M0.0%+0.5%0.181%
8/12/2025Handelsbanken Fonder AB318,400$9.11M0.0%+46.7%0.193%
8/12/2025Ensign Peak Advisors Inc101,288$2.90M0.0%-78.0%0.061%
8/12/2025Artisan Partners Limited Partnership1,541,807$44.11M0.1%-5.8%0.934%
8/11/2025EMC Capital Management2,428$69K0.0%N/A0.001%
8/11/2025Primecap Management Co. CA2,902,510$83.04M0.1%-3.4%1.758%
8/11/2025Knott David M Jr49,000$1.40M0.6%N/A0.030%
8/11/2025Universal Beteiligungs und Servicegesellschaft mbH123,665$3.54M0.0%-11.2%0.075%
8/8/2025Cetera Investment Advisers13,907$398K0.0%+32.3%0.008%
8/8/2025Intech Investment Management LLC84,709$2.42M0.0%-1.0%0.051%
8/8/2025Creative Planning78,423$2.24M0.0%-8.2%0.048%
8/8/2025SG Americas Securities LLC60,842$1.74M0.0%+335.0%0.037%
(Data available from 1/1/2016 forward)

ALKS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ALKS shares?

During the previous two years, 372 institutional investors and hedge funds held shares of Alkermes. The most heavily invested institutionals were Vanguard Group Inc. ($601.38M), Price T Rowe Associates Inc. MD ($389.25M), State Street Corp ($234.84M), RTW Investments LP ($217.36M), Renaissance Technologies LLC ($157.57M), Hardman Johnston Global Advisors LLC ($151.91M), and Baker BROS. Advisors LP ($148.04M).Learn more on Alkermes' institutional investors.

What percentage of Alkermes' stock is owned by institutional investors?

95.21% of Alkermes' stock is owned by institutional investors. Learn more on ALKS's institutional investor holdings.

Which institutional investors have been buying Alkermes' stock?

Of the 326 institutional investors that purchased Alkermes' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Wellington Management Group LLP ($7.55M), Price T Rowe Associates Inc. MD ($6.73M), Norges Bank ($5.84M), JPMorgan Chase & Co. ($4.88M), RTW Investments LP ($4.81M), Avoro Capital Advisors LLC ($2.45M), and Vanguard Group Inc. ($2.36M).

How much institutional buying is happening at Alkermes?

Institutional investors have bought a total of 34,812,602 shares in the last 24 months. This purchase volume represents approximately $1.04B in transactions.

Which of Alkermes' major shareholders have been selling company stock?

Of the 165 institutional investors that sold Alkermes' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Wellington Management Group LLP ($11.26M), Pacer Advisors Inc. ($4.75M), Bank of America Corp DE ($1.52M), Price T Rowe Associates Inc. MD ($1.21M), Vanguard Group Inc. ($758.96K), Segall Bryant & Hamill LLC ($692.11K), and Bank of New York Mellon Corp ($657.08K).

How much institutional selling is happening at Alkermes?

Institutional investors have sold a total of 31,664,530 shares in the last 24 months. This volume of shares sold represents approximately $948.25M in transactions.


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This page (NASDAQ:ALKS) was last updated on 10/12/2025 by MarketBeat.com Staff
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