Alkermes plc. (ALKS) research

Alkermes plc.
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Biotechnology
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$43.39
As of

Alkermes plc. (ALKS): 5 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 8-K filed 2026-09-16.

As of . Source: SEC EDGAR filings for ALKS. Method and limitations.

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You are seeing 5 of 27 signals recorded on ALKS since 2026-05-26.

The five above landed across 2 days. The other 22 were recorded on 4 other days. 21 of the 27 are institutional flow rows, which arrive in batches on filing days.

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Largest reported share positions in ALKS (2026Q2)

Manager / securityMarket value% portfolioQoQ
RENAISSANCE TECHNOLOGIES LLCCUSIP G01767105 · 2026Q2$338.5M0.47%,
CITADEL ADVISORS LLCCUSIP G01767105 · 2026Q2$86.2M0.01%,
D. E. Shaw & Co., Inc.CUSIP G01767105 · 2026Q2$68.7M0.03%,
TWO SIGMA INVESTMENTS, LPCUSIP G01767105 · 2026Q2$54.4M0.04%,
MILLENNIUM MANAGEMENT LLCCUSIP G01767105 · 2026Q2$16.7M0.01%,

Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.

Recent SEC filings, ALKS

ALKS mentioned in Kresmion daily briefs

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