Amphastar Pharmaceutical (amph 2 03/15/29)
13F holders, Q4 2025 (December 31)6holders −4
1new positions
5sold out
$0.93avg. 13F price*
At the end of Q4 2025, 6 institutions reported holding Amphastar Pharmaceutical (amph 2 03/15/29) in their 13F filings, down 4 from Q3 2025. 1 opened new positions and 5 sold out. The largest holders were Bank of New York Mellon Corp ($278K), Financial Sense Advisors, Inc. ($218K) and Sei Investments Co. ($128K).
- Company
- Amphastar Pharmaceutical (amph 2 03/15/29)
- CUSIP
- 03209RAB9
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $218K |
| Exits | 5 | $1.2M |
All 13F filers, Q3 2025 → Q4 2025: 235,000 shares bought and 649,875 shares sold, net −414,875 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 6 holders
| Bank of New York Mellon Corp | 0.00% | No change | 300,000 | $278K |
| Financial Sense Advisors, Inc. | 0.05% | New | 235,000 | $218K |
| Sei Investments Co. | 0.00% | No change | 139,000 | $128K |
| Cetera Investment Advisers | 0.00% | No change | 111,000 | $102K |
| Choreo, LLC | 0.00% | No change | 37,000 | $34K |
| Comerica Bank | 0.00% | No change | 11,000 | $10K |
"% of holder's portfolio" is AMPHASTAR PHARMACEUTICAL (AMPH 2 03/15/29)'s weight in each manager's 13F, not the share of Amphastar Pharmaceutical (amph 2 03/15/29) the manager owns.