Amphastar Pharmaceuticals, Inc.
AMPH- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001297184
In the last 90 days, Amphastar Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 5 sales; 212 institutions reported holding it in 13F filings for Q2 2026, worth $572.1M in total; no superinvestor holds it.
Q3 2025 vs. Q2 2025
How the institutions holding Amphastar Pharmaceuticals, Inc. changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Of which not filed for Q3 2025 | Q3 2025 | Change |
|---|---|---|---|---|
| Holders | 245 | 2 | 243 | 0 |
| Shares | 32.7M | 68 | 32.7M | +30.4K (+0.1%) |
| Value | $752.0M | $1.56K | $872.8M | +$120.8M (+16.1%) |
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (34)
Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q3 2025 but not at the end of Q2 2025.
Sold out (34)
Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.
Not filed for Q3 2025 yet (2)
Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| First Horizon Advisors, Inc. | 58 | $1.33K |
| Legacy Investment Solutions, LLC | 10 | $230 |