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.
13F holders, Q1 2024
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 271
- −5 vs. Q4 2023
- Shares held
- 33.6M
- +264.9K (+0.8%) vs. Q4 2023
- Total value
- $1.47B
- −$585.9M (−28.5%) vs. Q4 2023
- New holders
- 48
- 89 more added
- Sold out
- 53
- 98 more reduced
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMPH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 212 | $572.1M |
| Q1 2026 | 215 | $634.0M |
| Q4 2025 | 236 | $899.7M |
| Q3 2025 | 243 | $872.8M |
| Q2 2025 | 245 | $752.0M |
| Q1 2025 | 241 | $963.6M |
| Q4 2024 | 264 | $1.31B |
| Q3 2024 | 279 | $1.72B |
| Q2 2024 | 269 | $1.37B |
| Q1 2024 | 271 | $1.47B |
| Q4 2023 | 276 | $2.06B |
| Q3 2023 | 256 | $1.47B |
| Q2 2023 | 246 | $1.80B |
| Q1 2023 | 218 | $1.13B |
| Q4 2022 | 213 | $816.7M |
| Q3 2022 | 207 | $839.3M |
| Q2 2022 | 223 | $1.06B |
| Q1 2022 | 203 | $1.07B |
| Q4 2021 | 168 | $678.8M |
| Q3 2021 | 140 | $530.8M |
| Q2 2021 | 146 | $549.6M |
| Q1 2021 | 135 | $476.9M |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| MML Investors Services, LLC | 0 | $0 | 0.00% | −5,871−100.0% | Sold out |
| Gallacher Capital Management LLC | 0 | $0 | 0.00% | −5,750−100.0% | Sold out |
| Yorktown Management & Research Co Inc | 0 | $0 | 0.00% | −5,700−100.0% | Sold out |
| Court Place Advisors, LLC | 0 | $0 | 0.00% | −5,500−100.0% | Sold out |
| Dakota Wealth Management | 0 | $0 | 0.00% | −4,910−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −4,228−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −4,025−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −3,865−100.0% | Sold out |
| Lido Advisors, LLC | 0 | $0 | 0.00% | −3,562−100.0% | Sold out |
| Leeward Financial Partners, LLC | 0 | $0 | 0.00% | −3,507−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −3,399−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −3,346−100.0% | Sold out |
| McGlone Suttner Wealth Management, Inc. | 0 | $0 | 0.00% | −453−100.0% | Sold out |
| Vima LLC | 0 | $0 | 0.00% | −290−100.0% | Sold out |
| Johnson Financial Group, Inc. | 0 | $0 | 0.00% | −259−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −280−100.0% | Sold out |
| Raleigh Capital Management Inc. | 0 | $0 | 0.00% | −159−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −92−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| Horizon Investments, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| AdvisorNet Financial, Inc | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| DiNuzzo Private Wealth, Inc. | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Rosenberg Matthew Hamilton | 0 | $0 | 0.00% | −1−100.0% | Sold out |