Alkermes plc. (ALKS)
- Sector
- Biotechnology
- Last price
- $45.90
- As of
Kresmion compiles this page from ALKS's SEC filings, its 13F institutional holders and the market events Kresmion detects, each linked to its source.
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 10-Q filed 2026-11-03.
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Preview the ALKS dossierActive events for ALKS
- mediumEarnings above estimates
Q3-2026: Beat consensus by 225.0%, EPS $0.09 vs $-0.072 estimate
- high13F: funds added
4 tracked funds increased ALKS this 2026Q2, institutional consensus
- high13F: large increase
CITADEL ADVISORS LLC added +119% to ALKS (2026Q2)
- high13F: large increase
CITADEL ADVISORS LLC added +1896% to ALKS (2026Q2)
- high13F: large reduction
MILLENNIUM MANAGEMENT LLC cut 54% of ALKS (2026Q2)
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Every event on ALKS, as it fires
You are seeing 5 of 14 events recorded on ALKS since 2026-05-26.
The five above landed across 3 days. The other 9 were recorded on 3 other days. 7 of the 14 are institutional flow rows, which arrive in batches on filing days.
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ALKS positions held by the managers we follow (2026Q2)
What the managers we follow bought and sold in Q2 2026
| Manager / security | Market value | % of reported value |
|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC FundCUSIP G01767105 · 2026Q2 | $338.5M | 0.47% |
| CITADEL ADVISORS LLC FundCUSIP G01767105 · 2026Q2 | $86.2M | 0.05% |
| D. E. Shaw & Co., Inc. FundCUSIP G01767105 · 2026Q2 | $68.7M | 0.04% |
| TWO SIGMA INVESTMENTS, LP FundCUSIP G01767105 · 2026Q2 | $54.4M | 0.04% |
| MILLENNIUM MANAGEMENT LLC FundCUSIP G01767105 · 2026Q2 | $16.7M | 0.01% |
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. The share of reported value is each position's value over the sum of the values that manager reported for the quarter; option lines are not in that sum, as on each fund page. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.
Recent SEC filings, ALKS
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
More data on ALKS
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Cite this data
Kresmion counts the managers it follows that reported a non-option position in ALKS on Form 13F-HR for the latest reporting quarter, orders those positions by the value each filing reports, and lists the company's latest SEC filings and the events Kresmion recorded on ALKS in the last 180 days.
Upstream: SEC EDGAR filings for ALKS
Kresmion, "Alkermes plc. (ALKS) institutional holdings and SEC filings", data as of 2026-11-05, https://kresmion.com/research/ALKS. Upstream data: SEC EDGAR filings for ALKS.
Link to this data (HTML):
<a href="https://kresmion.com/research/ALKS">Alkermes plc. (ALKS) institutional holdings and SEC filings (Kresmion)</a>
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