Go Pro
→ Your $29.97 book is free today (From Profits Run) (Ad)tc pixel Free ALKS Stock Alerts

Alkermes (ALKS) Institutional Ownership

Alkermes logo
$52.85 +1.13 (+2.18%)
Closing price 04:00 PM Eastern
Extended Trading
$52.84 -0.01 (-0.02%)
As of 04:10 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 Massive. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for Alkermes (NASDAQ:ALKS)

Current
Institutional Ownership
Percentage
95.21%
Number of
Institutional Buyers
(last 12 months)
253
Total
Institutional Inflows
(last 12 months)
$1.13B
Number of
Institutional Sellers
(last 12 months)
160
Total
Institutional Outflows
(last 12 months)
$617.66M
Get ALKS Insider Trade Alerts

Want to know when executives and insiders are buying or selling Alkermes stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Subscribe Now
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

ALKS Institutional Buying and Selling by Quarter

Alkermes Major Shareholders & Ownership History

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/9/2026 Hennion & Walsh Asset Management Inc.47,317$2.48M0.1%N/A0.028%
7/7/2026 GAMMA Investing LLC6,705$351K0.0%+24.5%0.004%
7/7/2026 Harbor Investment Advisory LLC1,556$82K0.0%N/A0.001%
7/2/2026 Versant Capital Management Inc1,445$76K0.0%+33.9%0.001%
6/18/2026Pacer Advisors Inc.688,563$24.35M0.0%+2.0%0.413%
6/16/2026Empowered Funds LLC7,817$276K0.0%-87.2%0.005%
6/4/2026Seven Fleet Capital Management LP24,170$855K0.3%N/A0.015%
5/26/2026Glenmede Trust Co. NA378,090$13.37M0.1%-8.4%0.227%
5/22/2026Segall Bryant & Hamill LLC585,769$20.71M0.3%-4.8%0.351%
5/19/2026Bank of America Corp DE1,210,851$42.82M0.0%-9.2%0.726%
5/19/2026Stempoint Capital LP80,492$2.85M0.5%N/A0.048%
5/19/2026Edgestream Partners L.P.52,826$1.87M0.1%-81.9%0.032%
5/19/2026Janus Henderson Group PLC154,016$5.45M0.0%+5.6%0.092%
5/18/2026ADAR1 Capital Management LLC46,400$1.64M0.1%-27.2%0.028%
5/18/2026Amundi64,710$2.29M0.0%+99.8%0.039%
5/18/2026EverSource Wealth Advisors LLC3,278$116K0.0%+33.5%0.002%
5/18/2026California State Teachers Retirement System183,795$6.50M0.0%+23.5%0.110%
5/18/2026Royal Bank of Canada304,337$10.76M0.0%-6.5%0.183%
5/18/2026Rock Springs Capital Management LP183,986$6.51M0.4%+32.1%0.110%
5/18/2026Eagle Health Investments LP238,673$8.44M1.5%+191.8%0.143%
5/18/2026Empowered Funds LLC7,817$276K0.0%-87.2%0.005%
5/18/2026Exome Asset Management LLC84,103$2.97M1.5%N/A0.050%
5/16/2026The Manufacturers Life Insurance Company 71,415$2.53M0.0%-37.2%0.043%
5/16/2026Quantinno Capital Management LP44,932$1.59M0.0%+131.1%0.027%
5/16/2026SummitTX Capital L.P.156,259$5.53M0.2%N/A0.094%
5/16/2026ABS Direct Equity Fund LLC4,900$167K0.1%N/A0.003%
5/15/2026Commodore Capital LP4,200,000$148.51M8.6%+18.3%2.520%
5/15/2026OMERS ADMINISTRATION Corp16,516$584K0.0%+10.7%0.010%
5/15/2026Rice Hall James & Associates LLC390,344$13.80M0.8%+2.9%0.234%
5/15/2026Lombard Odier Asset Management USA Corp10,232$362K0.0%N/A0.006%
5/15/2026Affinity Asset Advisors LLC1,350,000$47.74M2.5%+35.0%0.810%
5/15/2026Entropy Technologies LP22,885$809K0.0%-64.1%0.014%
5/15/2026Spruce Street Capital LP317,992$11.24M2.7%N/A0.191%
5/14/2026Renaissance Technologies LLC6,160,428$217.83M0.3%-7.6%3.696%
5/14/2026 GC Wealth Management RIA LLC16,980$600K0.0%-54.6%0.010%
5/14/2026Public Employees Retirement System of Ohio4,929$174K0.0%+413.4%0.003%
5/14/2026Knott David M Jr120,000$4.24M2.5%+26.3%0.072%
5/14/2026Sei Investments Co.153,817$5.44M0.0%-19.3%0.092%
5/14/2026State of Wyoming14,676$519K0.1%-15.4%0.009%
5/13/2026Cetera Investment Advisers14,758$522K0.0%-22.0%0.009%
SpaceX IPO hides a much bigger story (Ad)

The SpaceX IPO could be the biggest in history at $1.75 trillion - but the real story isn't the IPO itself. Elon believes what Michael Robinson calls 'Project Unlimited' could unlock $100 trillion in potential growth. One little-known company sits at the center of it all, and most investors have no idea it exists. Position yourself before this company potentially hits the front page.tc pixel

Click here to see the details before the crowd catches on
5/13/2026Militia Capital Management LLC31,918$1.13M0.2%N/A0.019%
5/13/2026First Trust Advisors LP2,968,785$104.98M0.1%+104.2%1.781%
5/8/2026PNC Financial Services Group Inc.11,318$400K0.0%+9.6%0.007%
5/8/2026DUTCH ASSET Corp6,200$219K0.1%N/A0.004%
5/8/2026Summit Global Investments11,691$413K0.0%-60.6%0.007%
5/7/2026Dimensional Fund Advisors LP4,522,378$159.85M0.0%+2.5%2.720%
5/7/2026S&CO Inc.244,760$8.65M0.5%+21.3%0.147%
5/7/2026Swiss National Bank310,300$10.97M0.0%+0.4%0.187%
5/6/2026California Public Employees Retirement System328,202$11.61M0.0%+1.1%0.197%
5/6/2026 Gallacher Capital Management LLC7,677$271K0.1%N/A0.005%
5/6/2026AXS Investments LLC18,850$667K0.3%-3.3%0.011%
5/6/2026Bessemer Group Inc.158,397$5.60M0.0%+0.5%0.095%
5/6/2026Allspring Global Investments Holdings LLC24,610$863K0.0%+11.5%0.015%
5/5/2026Bank of New York Mellon Corp1,036,460$36.65M0.0%-3.5%0.623%
5/5/2026Illinois Municipal Retirement Fund90,989$3.22M0.0%-0.5%0.055%
5/5/2026Sanctuary Advisors LLC9,825$347K0.0%-19.1%0.006%
5/4/2026 Empirical Financial Services LLC d.b.a. Empirical Wealth Management29,805$1.05M0.0%+20.1%0.018%
5/4/2026Bleakley Financial Group LLC10,064$356K0.0%-31.7%0.006%
5/4/2026Principal Financial Group Inc.958,016$33.88M0.0%+1.1%0.576%
5/4/2026Teachers Retirement System of The State of Kentucky77,928$2.76M0.0%+18.5%0.047%
5/1/2026 Sequoia Financial Advisors LLC9,272$328K0.0%+4.8%0.006%
4/30/2026Hsbc Holdings PLC48,337$1.73M0.0%+12.9%0.029%
4/30/2026Sumitomo Mitsui Trust Group Inc.13,900$492K0.0%+4.0%0.008%
4/28/2026AdvisorShares Investments LLC26,369$932K0.2%-13.8%0.016%
4/27/2026Investors Asset Management of Georgia Inc. GA ADV8,600$303K0.1%N/A0.005%
4/27/2026New York State Teachers Retirement System54,368$1.92M0.0%-29.7%0.033%
4/25/2026Strs Ohio46,900$1.66M0.0%+1.7%0.028%
4/24/2026 Peregrine Capital Management LLC244,007$8.63M0.3%-4.1%0.147%
4/22/2026Pictet Asset Management Holding SA942,184$33.32M0.0%-36.2%0.567%
4/22/2026Sterling Capital Management LLC5,318$188K0.0%-34.7%0.003%
4/21/2026Louisiana State Employees Retirement System73,200$2.59M0.0%N/A0.044%
4/20/2026Ritholtz Wealth Management45,844$1.62M0.0%-28.5%0.028%
4/20/2026 Assenagon Asset Management S.A.122,127$4.32M0.0%+10.7%0.073%
4/16/2026SG Americas Securities LLC178,993$6.33M0.0%+399.0%0.108%
4/16/2026Evolve Private Wealth LLC20,401$721K0.0%+3.3%0.012%
4/16/2026 Diversified Trust Co54,913$1.94M0.0%+11.9%0.033%
3/20/2026Hsbc Holdings PLC42,817$1.20M0.0%+20.4%0.026%
3/17/2026Rockefeller Capital Management L.P.1,411$39K0.0%-34.6%0.001%
3/16/2026Avoro Capital Advisors LLC1,400,000$39.17M0.4%-37.5%0.840%
3/9/2026Corient Private Wealth LLC21,932$612K0.0%-47.0%0.013%
3/9/2026EMC Capital Management2,064$58K0.0%-15.0%0.001%
3/6/2026Hsbc Holdings PLC42,817$1.20M0.0%+20.4%0.026%
2/24/2026Pacer Advisors Inc.674,874$18.88M0.0%-16.5%0.409%
2/19/2026T. Rowe Price Investment Management Inc.2,099$59K0.0%N/A0.001%
2/19/2026Invesco Ltd.538,716$15.07M0.0%-7.8%0.326%
2/19/2026Corient Private Wealth LLC21,932$612K0.0%-47.0%0.013%
2/18/2026Mercer Global Advisors Inc. ADV9,138$256K0.0%N/A0.006%
2/18/2026Summit Global Investments29,662$830K0.0%+48.8%0.018%
2/18/2026Vident Advisory LLC82,294$2.30M0.0%+1.1%0.050%
2/18/2026State of Tennessee Department of Treasury66,414$1.86M0.0%-10.0%0.040%
Louis Navellier: My #1 AI stock for 2026 (name & ticker inside) (Ad)

Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top S&P 500 stock for 12 years running—and today, he's giving away his #1 AI stock pick for 2026, free. This company's sales are up 28% year over year, it holds over 30,000 patents in wireless and video technology, and it just earned an A-rating in his proprietary Stock Grader system that has cost him $9 million to build and maintain.tc pixel

Get the name and ticker of Louis Navellier's #1 AI stock free
2/18/2026Krensavage Asset Management LLC107,822$3.02M1.1%-48.1%0.065%
2/18/2026Mackenzie Financial Corp95,447$2.65M0.0%-78.4%0.058%
2/18/2026Empowered Funds LLC61,198$1.71M0.0%N/A0.037%
2/18/2026XTX Topco Ltd12,322$345K0.0%-72.4%0.007%
2/18/2026Zacks Investment Management84,361$2.36M0.0%N/A0.051%
2/18/2026Voloridge Investment Management LLC273,158$7.64M0.0%+3.3%0.165%
2/18/2026Tudor Investment Corp ET AL82,720$2.32M0.0%+46.7%0.050%
2/18/2026Oxford Asset Management LLP26,767$749K0.3%N/A0.016%
2/18/2026Opaleye Management Inc.490,000$13.71M1.8%+8.9%0.297%
2/18/2026Millennium Management LLC54,642$1.53M0.0%-62.9%0.033%


ALKS Institutional Ownership - Frequently Asked Questions

During the previous two years, 390 institutional investors and hedge funds held shares of Alkermes. The most heavily invested institutionals were Vanguard Group Inc. ($503.85M), Baker BROS. Advisors LP ($280.14M), State Street Corp ($265.05M), Price T Rowe Associates Inc. MD ($251.79M), Renaissance Technologies LLC ($217.83M), RTW Investments LP ($217.36M), and Dimensional Fund Advisors LP ($159.85M).Learn more on Alkermes' institutional investors.

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

Of the 343 institutional investors that purchased Alkermes' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: JPMorgan Chase & Co. ($6.13M), Norges Bank ($5.78M), Baker BROS. Advisors LP ($3.90M), Avoro Capital Advisors LLC ($2.45M), Nuveen LLC ($2.27M), Commodore Capital LP ($2.25M), and American Century Companies Inc. ($2.18M).

Institutional investors have bought a total of 38,224,015 shares in the last 24 months. This purchase volume represents approximately $1.13B in transactions.

Of the 160 institutional investors that sold Alkermes' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Avoro Capital Advisors LLC ($2.34M), Wellington Management Group LLP ($1.32M), JPMorgan Chase & Co. ($1.31M), Price T Rowe Associates Inc. MD ($1.24M), Bank of America Corp DE ($1.18M), Artisan Partners Limited Partnership ($855.11K), and BNP Paribas Financial Markets ($705.15K).

Institutional investors have sold a total of 20,917,389 shares in the last 24 months. This volume of shares sold represents approximately $617.66M in transactions.


Related Companies

This page (NASDAQ:ALKS) was last updated on 7/21/2026 by MarketBeat.com Staff.
From Our Partners
Louis Navellier: My #1 AI stock for 2026 (name & ticker inside)
Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top...
InvestorPlace | Sponsoredtc pixel
Trump Takes Emergency Action - Plus Elon Musk's New Venture
Elon Musk has quietly launched a new venture - one that has nothing to do with rockets, EVs, or Neuralink. Tru...
Altimetry | Sponsoredtc pixel
Your $29.97 book is free today
Why Some Traders Skip Stocks Entirely You don't need a big account to trade options. In fact, options ca...
Profits Run | Sponsoredtc pixel
Ready to give options a try? Your first trade (Ticker included) -INSIDE
Tired of trying tactic after tactic when it comes to options trades... only to be met with market noise and st...
Base Camp Trading | Sponsoredtc pixel
SPCX Warning - and Worst News for Stocks in 50 Years
Goldman Sachs and Morgan Stanley are now predicting what could be the worst news for the U.S. stock market in ...
TradeSmith | Sponsoredtc pixel
CODE RED: AI Meltdown Imminent?
After correctly predicting the 2008 and 2020 stock market meltdowns, I believe this AI company is about to tri...
Paradigm Press | Sponsoredtc pixel
Elon’s new "tollbooth"
The SpaceX IPO was valued at $1.75 trillion. But one analyst says fighting over those shares may be the wrong ...
Weiss Ratings | Sponsoredtc pixel
Elon's new "super startup"
Adam O'Dell - the analyst who recommended Palantir before it became the top S&P 500 performer - has identified...
Banyan Hill Publishing | Sponsoredtc pixel