Which hedge funds own ALKS? ALKERMES PLC, Q2 2026 13F holders
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12 of the hedge funds tracked by WhaleCreep disclosed a position in ALKS (ALKERMES PLC) in their Q2 2026 13F filings, worth $800.2m in total. The largest holder by portfolio weight is Senator Investment Group at 0.6% of its book. 3 managers opened a new position this quarter: Millennium Management, Tudor Investment, Brevan Howard Capital Management. 2 exited: Bridgewater Associates, Farallon Capital Management.
12tracked managers holding
3opened this quarter
2exited this quarter
Which hedge funds hold ALKS? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Senator Investment Group | Q2 2026 | 0.6% | $14.4m | 275,000 | 17% | added |
| Renaissance Technologies LLC | Q2 2026 | 0.5% | $338.5m | 6,460,928 | 5% | added |
| Holocene Advisors | Q2 2026 | 0.4% | $188.7m | 3,601,472 | 55% | added |
| Moore Capital Management | Q2 2026 | 0.1% | $4.0m | 76,540 | -52% | reduced |
| Woodline Partners | Q2 2026 | 0.1% | $29.4m | 560,282 | 0% | held |
| Citadel Advisors | Q2 2026 | 0.0% | $86.2m | 1,645,101 | -27% | reduced |
| Marshall Wace | Q2 2026 | 0.0% | $50.8m | 969,954 | -3% | reduced |
| D. E. Shaw & Co | Q2 2026 | 0.0% | $68.7m | 1,312,031 | 85% | added |
| Horizon Kinetics | Q2 2026 | 0.0% | $1.1m | 20,132 | -5% | reduced |
| Millennium Management | Q2 2026 | 0.0% | $16.7m | 319,595 | – | new |
| Tudor Investment | Q2 2026 | 0.0% | $1.4m | 25,889 | – | new |
| Brevan Howard Capital Management | Q2 2026 | 0.0% | $306.0k | 5,840 | – | new |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Bridgewater Associates | 0.4% | $3.0m |
| Farallon Capital Management | 0.0% | $735.5k |
How has hedge fund ownership of ALKS changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 12 | $800.2m |
| Q1 2026 | 11 | $477.6m |
| Q4 2025 | 6 | $215.4m |
| Q3 2025 | 6 | $282.6m |
| Q2 2025 | 5 | $284.3m |
| Q1 2025 | 6 | $334.8m |
| Q4 2024 | 5 | $187.5m |
| Q3 2024 | 3 | $173.1m |
| Q2 2024 | 3 | $158.5m |
| Q1 2024 | 4 | $189.1m |
| Q4 2023 | 4 | $202.1m |
| Q3 2023 | 5 | $208.0m |
| Q2 2023 | 8 | $287.6m |
| Q1 2023 | 6 | $305.6m |
| Q4 2022 | 6 | $224.4m |
| Q3 2022 | 6 | $181.3m |
Counts every tracked manager that disclosed ALKS in that quarter's filing, including managers that have since stopped filing.