Alkermes plc.
ALKS- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001520262
In the last 90 days, Alkermes plc. insiders filed 0 open-market purchases and 7 sales; 425 institutions reported holding it in 13F filings for Q2 2026, worth $9.32B in total; no superinvestor holds it.
13F holders, Q4 2023
Institutional positions in Alkermes plc. as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 302
- −5 vs. Q3 2023
- Shares held
- 175.5M
- +13.2M (+8.1%) vs. Q3 2023
- Total value
- $4.87B
- +$306.2M (+6.7%) vs. Q3 2023
- New holders
- 56
- 121 more added
- Sold out
- 61
- 82 more reduced
2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALKS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 425 | $9.32B |
| Q1 2026 | 390 | $6.22B |
| Q4 2025 | 366 | $5.05B |
| Q3 2025 | 358 | $5.09B |
| Q2 2025 | 353 | $4.84B |
| Q1 2025 | 371 | $5.69B |
| Q4 2024 | 343 | $4.81B |
| Q3 2024 | 338 | $5.01B |
| Q2 2024 | 323 | $4.32B |
| Q1 2024 | 337 | $4.77B |
| Q4 2023 | 302 | $4.87B |
| Q3 2023 | 309 | $4.59B |
| Q2 2023 | 293 | $5.03B |
| Q1 2023 | 269 | $4.56B |
| Q4 2022 | 279 | $4.24B |
| Q3 2022 | 275 | $3.57B |
| Q2 2022 | 276 | $4.67B |
| Q1 2022 | 249 | $4.21B |
| Q4 2021 | 219 | $3.68B |
| Q3 2021 | 227 | $4.77B |
| Q2 2021 | 226 | $3.95B |
| Q1 2021 | 200 | $2.95B |
Institutions, Q4 2023
Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 20,955,454 | $581.3M | 0.01% | +2,288,185+12.3% | Added |
| BlackRock Inc. | 30,022,427 | $832.8M | 0.02% | +12,861,170+74.9% | Added |
| Sarissa Capital Management LP | 0 | $0 | 0.00% | −7,042,200−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −1,768,014−100.0% | Sold out |
| Polar Capital Holdings Plc | 0 | $0 | 0.00% | −1,388,016−100.0% | Sold out |
| PFM Health Sciences, LP | 0 | $0 | 0.00% | −1,162,030−100.0% | Sold out |
| Sofinnova Investments, Inc. | 0 | $0 | 0.00% | −537,464−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −378,762−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −361,467−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −190,941−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −175,281−100.0% | Sold out |
| Acuta Capital Partners, LLC | 0 | $0 | 0.00% | −126,500−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −101,647−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −81,774−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −72,742−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −65,214−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −61,628−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −60,196−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −54,400−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −52,836−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −49,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −46,893−100.0% | Sold out |
| AlphaCentric Advisors LLC | 0 | $0 | 0.00% | −42,500−100.0% | Sold out |
| Silverarc Capital Management, LLC | 0 | $0 | 0.00% | −41,455−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −39,773−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −38,581−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −38,106−100.0% | Sold out |
| Essex Investment Management Co LLC | 0 | $0 | 0.00% | −36,453−100.0% | Sold out |
| Jackson Creek Investment Advisors LLC | 0 | $0 | 0.00% | −34,845−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −30,041−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −25,500−100.0% | Sold out |
| Knott David M Jr | 0 | $0 | 0.00% | −22,491−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −21,564−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −20,132−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −19,238−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −18,773−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −16,741−100.0% | Sold out |
| Strategic Investment Solutions, Inc. | 0 | $0 | 0.00% | −15,750−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −16,400−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −13,316−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −12,022−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −11,631−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −11,585−100.0% | Sold out |
| Cannon Global Investment Management, LLC | 0 | $0 | 0.00% | −11,500−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −11,469−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −11,293−100.0% | Sold out |
| Spectrum Asset Management, Inc. (NB/CA) | 0 | $0 | 0.00% | −11,135−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −9,963−100.0% | Sold out |
| Brinker Capital Investments, LLC | 0 | $0 | 0.00% | −7,985−100.0% | Sold out |
| Orion Portfolio Solutions, LLC | 0 | $0 | 0.00% | −7,985−100.0% | Sold out |
| Cetera Advisor Networks LLC | 0 | $0 | 0.00% | −7,886−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −7,567−100.0% | Sold out |
| Aristides Capital LLC | 0 | $0 | 0.00% | −7,200−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −6,377−100.0% | Sold out |
| Cary Street Partner Investment Advisory LLC | 0 | $0 | 0.00% | −5,232−100.0% | Sold out |
| Colonial Trust Co | 0 | $0 | 0.00% | −2,032−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −1,881−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −183−100.0% | Sold out |
| Earnest Partners LLC | 0 | $0 | 0.00% | −62−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Raffa Wealth Management, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Assetmark, Inc | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Virginia Retirement Systems Et Al | – | – | – | – | Not filed |
| Advisor Partners II, LLC | – | – | – | – | Not filed |