Alkermes Plc (ALKS) Superinvestor holders
20 of the superinvestors we track hold Alkermes Plc (ALKS) in their latest 13F filings, $1.0B in total.
Summary
The largest holder is Jim Simons (Renaissance Technologies), with $339M, 0.5% of the portfolio.
In their latest quarter: 2 opened a new position, 6 added, 10 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Jim Simons Renaissance Technologies |
Added | 6,460,928 | $339M | 0.5% | Q2 2026 |
| Brandon Haley Holocene Advisors |
Added | 3,601,472 | $189M | 0.4% | Q2 2026 |
| PRIMECAP Management PRIMECAP Management Co |
Trimmed | 2,528,680 | $132M | 0.1% | Q2 2026 |
| Aziz Hamzaogullari Loomis Sayles & Co |
Trimmed | 1,585,518 | $83M | 0.1% | Q2 2026 |
| David Shaw D. E. Shaw & Co. |
Added | 1,312,031 | $69M | 0.0% | Q2 2026 |
| Two Sigma Two Sigma Investments |
Added | 1,038,311 | $54M | 0.0% | Q2 2026 |
| Paul Marshall Marshall Wace |
Trimmed | 969,954 | $51M | 0.0% | Q2 2026 |
| Artisan Partners | Trimmed | 831,006 | $44M | 0.1% | Q2 2026 |
| Ensign Peak Ensign Peak Advisors |
Added | 335,208 | $18M | 0.0% | Q2 2026 |
| Ken Fisher Fisher Investments |
Added | 433,263 | $18M | 0.0% | Q3 2026 |
| Cliff Asness AQR Capital Management |
Trimmed | 212,968 | $11M | 0.0% | Q2 2026 |
| Man Group Man Group plc |
Trimmed | 124,038 | $6M | 0.0% | Q2 2026 |
| Louis Bacon Moore Capital Management |
Trimmed | 76,540 | $4M | 0.1% | Q2 2026 |
| Chuck Royce Royce Investment Partners |
Held | 58,072 | $2M | 0.0% | Q3 2026 |
| Paul Tudor Jones Tudor Investment Corp |
New position | 25,889 | $1M | 0.0% | Q2 2026 |
| Acadian Acadian Asset Management |
Trimmed | 28,159 | $1M | 0.0% | Q3 2026 |
| Murray Stahl Horizon Kinetics LLC |
Trimmed | 20,132 | $1M | 0.0% | Q2 2026 |
| Josef Lakonishok LSV Asset Management |
Held | 14,800 | $600,000 | 0.0% | Q3 2026 |
| Joel Greenblatt Gotham Asset Management |
Trimmed | 11,157 | $584,571 | 0.0% | Q2 2026 |
| Alan Howard Brevan Howard |
New position | 5,840 | $305,987 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 20 |
| Q1 2026 | 20 |
| Q4 2025 | 23 |
| Q3 2025 | 22 |
| Q2 2025 | 24 |
| Q1 2025 | 21 |
| Q4 2024 | 19 |
| Q3 2024 | 18 |
Questions about Alkermes Plc
Which superinvestors own Alkermes Plc?
20 of the superinvestors we track hold Alkermes Plc (ALKS) in their latest 13F filings, $1.0B in total. Jim Simons, Brandon Haley, PRIMECAP Management, Aziz Hamzaogullari, David Shaw, Two Sigma.
Who is the largest superinvestor holder of ALKS?
The largest holder is Jim Simons (Renaissance Technologies), with $339M, 0.5% of the portfolio.
From Alkermes Plc's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.