Marshall Wace, LLP
- SEC CIK
- 0001318757
- Latest filing
- Aug 13, 2026
ALKS holding history
Alkermes plc. in every 13F filed by Marshall Wace, LLP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
ALKS overviewAll 13F holders of ALKSFull Q2 2026 holdings
- Shares (Q2 2026)
- 969,954
- Value
- $50.8M
- % of portfolio
- <0.1%
- Quarters held
- 9
- Since Q3 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 969,954 | $50.8M | <0.1% | −29,368−2.9% | Reduced | Holders |
| Q1 2026 | 999,322 | $35.3M | <0.1% | +869,423+669.3% | Added | Holders |
| Q4 2025 | 129,899 | $3.63M | <0.1% | +129,899 | New | Holders |
| Q3 2025 | 0 | $0 | 0.0% | −207,511−100.0% | Sold out | Holders |
| Q2 2025 | 207,511 | $5.94M | <0.1% | +207,511 | New | Holders |
| Q4 2023 | 0 | $0 | 0.0% | −1,768,014−100.0% | Sold out | Holders |
| Q3 2023 | 1,768,014 | $49.5M | 0.1% | +1,042,937+143.8% | Added | Holders |
| Q2 2023 | 725,077 | $22.7M | <0.1% | +611,673+539.4% | Added | Holders |
| Q1 2023 | 113,404 | $3.20M | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2022 | 113,404 | $2.96M | <0.1% | +113,404 | New | Holders |
| Q4 2021 | 0 | $0 | 0.0% | −21,043−100.0% | Sold out | Holders |
| Q3 2021 | 21,043 | $649.0K | <0.1% | +21,043 | New | Holders |