Amphastar Pharmaceuticals, Inc. (AMPH) research
Amphastar Pharmaceuticals, Inc.- Sector
- Pharmaceuticals
- Last price
- $23.78
- As of
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- mediumNEW_POSITION
Point72 Asset Management, L.P. new position in AMPH
- highINSTITUTIONAL_EXIT
MILLENNIUM MANAGEMENT LLC cut 91% of AMPH (2026Q2)
- highINSTITUTIONAL_EXIT
CITADEL ADVISORS LLC cut 95% of AMPH (2026Q2)
- highINSTITUTIONAL_EXIT
CITADEL ADVISORS LLC cut 93% of AMPH (2026Q2)
- highINSTITUTIONAL_EXIT
CITADEL ADVISORS LLC cut 95% of AMPH (2026Q2)
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Every signal on AMPH, as it fires
You are seeing 5 of 27 signals recorded on AMPH since 2026-05-16.
The five above all landed on 2026-09-06. The other 22 were recorded on 4 other days. 21 of the 27 are institutional flow rows, which arrive in batches on filing days.
No fixed schedule: it goes out when the data has something in it. Unsubscribe anytime. We never sell your data.
Largest reported share positions in AMPH (2026Q2)
| Manager / security | Market value | % portfolio | QoQ |
|---|---|---|---|
| D. E. Shaw & Co., Inc.CUSIP 03209R103 · 2026Q2 | $17.9M | 0.01% | , |
| RENAISSANCE TECHNOLOGIES LLCCUSIP 03209R103 · 2026Q2 | $10.6M | 0.01% | , |
| TWO SIGMA INVESTMENTS, LPCUSIP 03209R103 · 2026Q2 | $5M | 0.00% | , |
| Point72 Asset Management, L.P.CUSIP 03209R103 · 2026Q2 | $1.1M | 0.00% | , |
| MILLENNIUM MANAGEMENT LLCCUSIP 03209R103 · 2026Q2 | $642K | 0.00% | , |
| CITADEL ADVISORS LLCCUSIP 03209R103 · 2026Q2 | $328K | 0.00% | , |
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, AMPH
- 8-KSEC EDGAR ↗
- 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 ↗
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