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ALKS Insider Trading

Insider Ownership Percentage: 4.40%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $6,302,767.27

Alkermes Insider Trading History Chart

This chart shows the insider buying and selling history at Alkermes by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Alkermes Share Price & Price History

Current Price: $28.40
Price Change: ▲ Price Increase of +1.2 (4.41%)
As of 03/19/2026 05:00 PM ET

This chart shows the closing price history over time for ALKS up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Alkermes Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
3/2/2026Christian Todd NicholsSVPSell6,000$30.00$180,000.00109,769View SEC Filing Icon  
3/2/2026Craig C HopkinsonEVPSell9,000$29.72$267,480.0089,389View SEC Filing Icon  
3/2/2026David Joseph GaffinEVPSell2,034$29.29$59,575.86237,660View SEC Filing Icon  
2/2/2026Craig C HopkinsonEVPSell9,000$33.93$305,370.0057,740View SEC Filing Icon  
2/2/2026Shane M. CookeDirectorSell61,200$34.57$2,115,684.00103,744View SEC Filing Icon  
2/2/2026Shane M. CookeDirectorSell61,200$34.57$2,115,684.00103,744View SEC Filing Icon  
1/8/2026Craig C HopkinsonEVPSell5,000$30.00$150,000.0061,740View SEC Filing Icon  
1/2/2026Craig C HopkinsonEVPSell4,000$28.00$112,000.0061,740View SEC Filing Icon  
12/3/2025Craig C HopkinsonEVPSell3,748$30.00$112,440.0065,740View SEC Filing Icon  
12/1/2025Craig C HopkinsonEVPSell4,000$29.30$117,200.0065,740View SEC Filing Icon  
11/3/2025Craig C HopkinsonEVPSell9,000$30.38$273,420.0069,740View SEC Filing Icon  
10/15/2025Craig C HopkinsonEVPSell9,000$31.53$283,770.0073,740View SEC Filing Icon  
6/10/2025Christian Todd NicholsSVPSell3,334$31.09$103,654.0686,208View SEC Filing Icon  
6/9/2025Christian Todd NicholsSVPSell3,333$31.95$106,489.3589,542View SEC Filing Icon  
2/13/2025Craig C HopkinsonEVPSell144,419$35.53$5,131,207.0757,875View SEC Filing Icon  
1/30/2025Craig C HopkinsonEVPSell100,918$32.05$3,234,421.9044,290View SEC Filing Icon  
12/9/2024Cato T. LaurencinDirectorSell2,691$31.85$85,708.3523,013View SEC Filing Icon  
12/9/2024Craig C HopkinsonEVPSell61,151$32.07$1,961,112.5747,576View SEC Filing Icon  
12/5/2024Craig C HopkinsonEVPSell9,221$31.50$290,461.5059,730View SEC Filing Icon  
11/27/2024Christian Todd NicholsSVPSell5,208$29.15$151,813.2060,703View SEC Filing Icon  
11/11/2024Craig C HopkinsonEVPSell58,996$30.08$1,774,599.6883,300View SEC Filing Icon  
11/6/2024Craig C HopkinsonEVPSell10,471$29.53$309,208.6399,238View SEC Filing Icon  
3/18/2024Christian Todd NicholsSVPSell10,417$28.10$292,717.7065,911View SEC Filing Icon  
6/7/2023Cato T. LaurencinDirectorSell2,800$31.50$88,200.007,479View SEC Filing Icon  
5/30/2023Christian Todd NicholsSVPSell27,134$28.93$784,986.6240,984View SEC Filing Icon  
5/9/2023Nancy WysenskiDirectorSell41,250$31.24$1,288,650.0015,829View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Alkermes (NASDAQ:ALKS)

95.21% of Alkermes stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at ALKS by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Alkermes Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
3/17/2026Rockefeller Capital Management L.P.1,411$39K0.0%-34.6%0.001%Search for SEC Filing on Google Icon
3/16/2026Avoro Capital Advisors LLC1,400,000$39.17M0.4%-37.5%0.840%Search for SEC Filing on Google Icon
3/9/2026Corient Private Wealth LLC21,932$0.61M0.0%-47.0%0.013%Search for SEC Filing on Google Icon
3/9/2026EMC Capital Management2,064$58K0.0%-15.0%0.001%Search for SEC Filing on Google Icon
3/6/2026Hsbc Holdings PLC42,817$1.20M0.0%+20.4%0.026%Search for SEC Filing on Google Icon
2/24/2026Pacer Advisors Inc.674,874$18.88M0.0%-16.5%0.409%Search for SEC Filing on Google Icon
2/19/2026T. Rowe Price Investment Management Inc.2,099$59K0.0%N/A0.001%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.538,716$15.07M0.0%-7.8%0.326%Search for SEC Filing on Google Icon
2/19/2026Corient Private Wealth LLC21,932$0.61M0.0%-47.0%0.013%Search for SEC Filing on Google Icon
2/18/2026Mercer Global Advisors Inc. ADV9,138$0.26M0.0%N/A0.006%Search for SEC Filing on Google Icon
2/18/2026Summit Global Investments29,662$0.83M0.0%+48.8%0.018%Search for SEC Filing on Google Icon
2/18/2026Vident Advisory LLC82,294$2.30M0.0%+1.1%0.050%Search for SEC Filing on Google Icon
2/18/2026State of Tennessee Department of Treasury66,414$1.86M0.0%-10.0%0.040%Search for SEC Filing on Google Icon
2/18/2026Krensavage Asset Management LLC107,822$3.02M1.1%-48.1%0.065%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp95,447$2.65M0.0%-78.4%0.058%Search for SEC Filing on Google Icon
2/18/2026Empowered Funds LLC61,198$1.71M0.0%N/A0.037%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd12,322$0.35M0.0%-72.4%0.007%Search for SEC Filing on Google Icon
2/18/2026Zacks Investment Management84,361$2.36M0.0%N/A0.051%Search for SEC Filing on Google Icon
2/18/2026Voloridge Investment Management LLC273,158$7.64M0.0%+3.3%0.165%Search for SEC Filing on Google Icon
2/18/2026Tudor Investment Corp ET AL82,720$2.32M0.0%+46.7%0.050%Search for SEC Filing on Google Icon
2/18/2026Oxford Asset Management LLP26,767$0.75M0.3%N/A0.016%Search for SEC Filing on Google Icon
2/18/2026Opaleye Management Inc.490,000$13.71M1.8%+8.9%0.297%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC54,642$1.53M0.0%-62.9%0.033%Search for SEC Filing on Google Icon
2/18/2026Man Group plc312,512$8.74M0.0%-65.2%0.189%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC145,804$4.08M0.0%-57.7%0.088%Search for SEC Filing on Google Icon
2/18/2026Gotham Asset Management LLC62,469$1.75M0.0%-0.8%0.038%Search for SEC Filing on Google Icon
2/18/2026Evolve Private Wealth LLC19,749$0.55M0.0%N/A0.012%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP47,731$1.34M0.0%-42.6%0.029%Search for SEC Filing on Google Icon
2/18/2026Commodore Capital LP3,550,000$99.33M6.6%+14.6%2.150%Search for SEC Filing on Google Icon
2/18/2026Baker BROS. Advisors LP10,012,267$280.14M1.6%+23.7%6.064%Search for SEC Filing on Google Icon
2/18/2026Bridgeway Capital Management LLC31,200$0.87M0.0%N/A0.019%Search for SEC Filing on Google Icon
2/17/2026ADAR1 Capital Management LLC63,700$1.78M0.1%+13.3%0.039%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC514,324$14.39M0.0%+38.1%0.311%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers18,922$0.53M0.0%-19.5%0.011%Search for SEC Filing on Google Icon
2/17/2026Amundi32,383$0.91M0.0%+10.1%0.020%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC32,629$0.91M0.0%N/A0.020%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD8,998,963$251.79M0.0%-12.1%5.450%Search for SEC Filing on Google Icon
2/17/2026T. Rowe Price Investment Management Inc.2,099$59K0.0%N/A0.001%Search for SEC Filing on Google Icon
2/17/2026Rock Springs Capital Management LP139,228$3.90M0.2%+30.7%0.084%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.157,359$4.39M0.0%-12.3%0.095%Search for SEC Filing on Google Icon
2/17/2026Maryland State Retirement & Pension System24,161$0.68M0.0%+1.8%0.015%Search for SEC Filing on Google Icon
2/17/2026Atom Investors LP65,706$1.84M0.1%N/A0.040%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board93,233$2.61M0.0%-6.7%0.056%Search for SEC Filing on Google Icon
2/17/2026Captrust Financial Advisors36,767$1.03M0.0%+19.6%0.022%Search for SEC Filing on Google Icon
2/17/2026Artisan Partners Limited Partnership1,349,122$37.75M0.1%-36.1%0.817%Search for SEC Filing on Google Icon
2/17/2026Avoro Capital Advisors LLC1,400,000$39.17M0.4%-37.5%0.848%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada325,496$9.11M0.0%-22.4%0.197%Search for SEC Filing on Google Icon
2/17/2026Graham Capital Management L.P.19,646$0.55M0.0%N/A0.012%Search for SEC Filing on Google Icon
2/17/2026Magnetar Financial LLC13,701$0.38M0.0%N/A0.008%Search for SEC Filing on Google Icon
2/17/2026Rice Hall James & Associates LLC379,458$10.62M0.6%-1.5%0.230%Search for SEC Filing on Google Icon
2/16/2026OMERS ADMINISTRATION Corp14,916$0.42M0.0%-49.4%0.009%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC1,095,846$30.66M0.0%+146.1%0.664%Search for SEC Filing on Google Icon
2/16/2026Vanguard Personalized Indexing Management LLC14,118$0.40M0.0%-4.2%0.009%Search for SEC Filing on Google Icon
2/16/2026Panagora Asset Management Inc.928,964$25.99M0.1%+4.7%0.563%Search for SEC Filing on Google Icon
2/16/2026Focus Partners Wealth124,041$3.47M0.0%N/A0.075%Search for SEC Filing on Google Icon
2/16/2026Hudson Portfolio Management LLC33,505$0.94M0.8%-8.1%0.020%Search for SEC Filing on Google Icon
2/16/2026Entropy Technologies LP63,724$1.78M0.1%+173.6%0.039%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC565,033$15.81M0.0%+1.5%0.342%Search for SEC Filing on Google Icon
2/16/2026Arrowstreet Capital Limited Partnership1,450,841$40.60M0.0%+20.0%0.879%Search for SEC Filing on Google Icon
2/13/2026Marshall Wace LLP129,899$3.64M0.0%N/A0.079%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 113,734$3.18M0.0%-21.7%0.069%Search for SEC Filing on Google Icon
2/13/2026Segall Bryant & Hamill LLC615,292$17.22M0.2%+3.2%0.373%Search for SEC Filing on Google Icon
2/13/2026Affinity Asset Advisors LLC1,000,000$27.98M1.6%-20.0%0.606%Search for SEC Filing on Google Icon
2/13/2026Bridgewater Associates LP344,452$9.64M0.0%N/A0.209%Search for SEC Filing on Google Icon
2/13/2026UMB Bank n.a.1,220$34K0.0%+57.6%0.001%Search for SEC Filing on Google Icon
2/13/2026C M Bidwell & Associates Ltd.2,630$74K0.0%N/A0.002%Search for SEC Filing on Google Icon
2/13/2026Bridgefront Capital LLC7,381$0.21M0.1%N/A0.004%Search for SEC Filing on Google Icon
2/13/2026Morgan Stanley1,888,487$52.84M0.0%+21.7%1.144%Search for SEC Filing on Google Icon
2/13/2026Schroder Investment Management Group55,523$1.54M0.0%-3.7%0.034%Search for SEC Filing on Google Icon
2/13/2026Public Sector Pension Investment Board671,170$18.78M0.1%-5.6%0.406%Search for SEC Filing on Google Icon
2/13/2026Rafferty Asset Management LLC203,264$5.69M0.0%+13.0%0.123%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP1,454,002$40.68M0.0%+4.0%0.881%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.2,152,756$60.23M0.0%+0.6%1.304%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey44,145$1.24M0.0%-2.6%0.027%Search for SEC Filing on Google Icon
2/13/2026State Street Corp9,472,858$265.05M0.0%+10.9%5.737%Search for SEC Filing on Google Icon
2/13/2026Vontobel Holding Ltd.26,047$0.73M0.0%-39.8%0.016%Search for SEC Filing on Google Icon
2/13/2026Martingale Asset Management L P170,267$4.76M0.1%+3.1%0.103%Search for SEC Filing on Google Icon
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC394,853$11.05M0.0%+0.6%0.239%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN232,987$6.52M0.0%+75.7%0.141%Search for SEC Filing on Google Icon
2/13/2026Rhenman & Partners Asset Management AB133,250$3.73M0.3%+41.8%0.081%Search for SEC Filing on Google Icon
2/12/2026Advisors Asset Management Inc.12,140$0.34M0.0%-26.2%0.007%Search for SEC Filing on Google Icon
2/12/2026Federation des caisses Desjardins du Quebec60,006$1.68M0.0%N/A0.036%Search for SEC Filing on Google Icon
2/12/2026Hohimer Wealth Management LLC9,050$0.25M0.0%-15.9%0.005%Search for SEC Filing on Google Icon
2/12/2026HRT Financial LP200,224$5.60M0.0%+995.5%0.121%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC530,379$14.84M0.1%-25.0%0.321%Search for SEC Filing on Google Icon
2/12/2026Cibc World Markets Corp10,734$0.30M0.0%N/A0.007%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC6,668,028$186.57M0.3%+6.0%4.038%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP4,412,783$123.47M0.0%+19.3%2.672%Search for SEC Filing on Google Icon
2/12/2026Federated Hermes Inc.26,546$0.74M0.0%+658.2%0.016%Search for SEC Filing on Google Icon
2/12/2026Ensign Peak Advisors Inc22,828$0.64M0.0%-38.4%0.014%Search for SEC Filing on Google Icon
2/12/2026Marex Group plc44,851$1.26M0.0%+218.1%0.027%Search for SEC Filing on Google Icon
2/12/2026New York State Common Retirement Fund149,284$4.18M0.0%-23.8%0.090%Search for SEC Filing on Google Icon
2/12/2026Campbell & CO Investment Adviser LLC73,134$2.05M0.1%+196.2%0.044%Search for SEC Filing on Google Icon
2/12/2026Knott David M Jr95,000$2.66M1.2%+392.2%0.058%Search for SEC Filing on Google Icon
2/12/2026Bank of Montreal Can14,359$0.40M0.0%-9.6%0.009%Search for SEC Filing on Google Icon
2/12/2026Loomis Sayles & Co. L P1,902,522$53.23M0.1%-7.1%1.152%Search for SEC Filing on Google Icon
2/12/2026Alps Advisors Inc.135,379$3.79M0.0%+73.9%0.082%Search for SEC Filing on Google Icon
2/12/2026Swiss National Bank309,200$8.65M0.0%+1.8%0.187%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC2,427,028$67.91M0.0%+11.7%1.470%Search for SEC Filing on Google Icon
2/11/2026Primecap Management Co. CA2,564,300$71.75M0.1%-7.1%1.553%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Alkermes logo
Alkermes plc, a biopharmaceutical company, researches, develops, and commercializes pharmaceutical products to address unmet medical needs of patients in therapeutic areas in the United States, Ireland, and internationally. It has a portfolio of proprietary commercial products for the treatment of alcohol dependence, opioid dependence, schizophrenia and bipolar I disorder and a pipeline of clinical and preclinical product candidates in development for neurological disorders. Its marketed products include ARISTADA, an intramuscular injectable suspension for the treatment of schizophrenia; ARISTADA INITIO for the treatment of schizophrenia in adults; VIVITROL for the treatment of alcohol and prevention of opioid dependence; and LYBALVI, an oral atypical antipsychotic drug candidate for the treatment of adults with schizophrenia and bipolar I disorder. It has collaboration agreements primarily with Janssen Pharmaceutica N.V., Janssen Pharmaceutica Inc, and Janssen Pharmaceutica International. The company also offers proprietary technology platforms to third parties to enable them to develop, commercialize, and manufacture products. Alkermes plc was founded in 1987 and is headquartered in Dublin, Ireland.
Read More on Alkermes

Today's Range

Now: $28.40
Low: $27.00
High: $28.49

50 Day Range

MA: $31.49
Low: $27.20
High: $34.96

52 Week Range

Now: $28.40
Low: $25.17
High: $36.32

Volume

2,968,218 shs

Average Volume

2,189,047 shs

Market Capitalization

$4.73 billion

P/E Ratio

19.86

Dividend Yield

N/A

Beta

0.53

Who are the company insiders with the largest holdings of Alkermes?

Alkermes' top insider investors include:
  1. David Joseph Gaffin (EVP)
  2. Christian Todd Nichols (SVP)
  3. Shane Cooke (Director)
  4. Craig C Hopkinson (EVP)
  5. Cato T Laurencin (Director)
Learn More about top insider investors at Alkermes.

Who are the major institutional investors of Alkermes?

Alkermes' top institutional shareholders include:
  1. Vanguard Group Inc. — 10.91%
  2. Baker BROS. Advisors LP — 6.06%
  3. State Street Corp — 5.74%
  4. Price T Rowe Associates Inc. MD — 5.45%
  5. Renaissance Technologies LLC — 4.04%
  6. JPMorgan Chase & Co. — 3.14%
Learn More about top institutional investors of Alkermes stock.

Which institutional investors are selling Alkermes stock?

During the last quarter, ALKS stock was sold by these institutional investors:
  1. Price T Rowe Associates Inc. MD
  2. Avoro Capital Advisors LLC
  3. Avoro Capital Advisors LLC
  4. Artisan Partners Limited Partnership
  5. Man Group plc
  6. Bank of New York Mellon Corp
  7. Mackenzie Financial Corp
  8. BNP Paribas Financial Markets
Within the last year, company insiders that have sold Alkermes company stock include:
  1. David Joseph Gaffin (EVP)
  2. Christian Todd Nichols (SVP)
  3. Shane Cooke (Director)
  4. Craig C Hopkinson (EVP)
Learn More investors selling Alkermes stock.

Which institutional investors are buying Alkermes stock?

During the last quarter, ALKS stock was purchased by institutional investors including:
  1. Norges Bank
  2. Baker BROS. Advisors LP
  3. UBS Group AG
  4. JPMorgan Chase & Co.
  5. State Street Corp
  6. Dimensional Fund Advisors LP
  7. Squarepoint Ops LLC
  8. Pictet Asset Management Holding SA