ALKS

Alkermes plc.

Pharmaceutical Preparations · SIC 2834CIK 1520262Held by 5 tracked managersEDGAR filings ↗10-K/10-Q ↗

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5 managers · Q2 2026 13F

13F bookWeight

Baker Bros. Advisors

Baker Bros. AdvisorsPosition history →

2.6%

—

$524.6M

$19.96B13F book · 2026-06-30

Renaissance Technologies

Renaissance TechnologiesPosition history →

0.47%

+4.9%

$338.5M

$72.62B13F book · 2026-06-30

Holocene Advisors

Holocene AdvisorsPosition history →

0.43%

+55.4%

$188.7M

$43.69B13F book · 2026-06-30

Adage Capital Management

Adage Capital ManagementPosition history →

0.10%

NEW

$71.7M

$71.32B13F book · 2026-06-30

Royce & Associates

Royce & AssociatesPosition history →

0.02%

+4.3%

$3.0M

$12.42B13F book · 2026-06-30

Weight = position value ÷ the manager's total 13F long-equity value in the same filing — one definition for every row. “1st obs.” marks a position with no earlier stored 13F to compare against — it is not shown as a purchase.