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, Q3 2022
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Sep 30, 2022. 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
- 207
- −15 vs. Q2 2022
- Shares held
- 29.8M
- −611.9K (−2.0%) vs. Q2 2022
- Total value
- $839.3M
- −$220.2M (−20.8%) vs. Q2 2022
- New holders
- 21
- 80 more added
- Sold out
- 36
- 81 more reduced
1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2022: 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, Q3 2022
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Parallel Advisors, LLC | 13 | $0 | 0.00% | −6−31.6% | Reduced |
| Covestor Ltd | 13 | $0 | 0.00% | −13−50.0% | Reduced |
| Global Retirement Partners, LLC | 11 | $0 | 0.00% | +3+37.5% | Added |
| Disciplined Investments, LLC | 2 | $0 | 0.00% | +2 | New |
| SJS Investment Consulting Inc. | 1 | $0 | 0.00% | +1 | New |
| Schubert & Co | 1 | $0 | 0.00% | +1 | New |
| Sofos Investments, Inc. | 448 | – | – | +448 | New |
| Proequities, Inc. | 0 | $0 | 0.00% | −747−100.0% | Sold out |
| MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income | 0 | $0 | 0.00% | −341,294−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −192,649−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −149,964−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −100,942−100.0% | Sold out |
| Clark Capital Management Group, Inc. | 0 | $0 | 0.00% | −68,957−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −68,855−100.0% | Sold out |
| State of New Jersey Common Pension Fund D | 0 | $0 | 0.00% | −67,410−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −60,386−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −54,804−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −48,505−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −30,676−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −21,200−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −15,900−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −13,955−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −13,546−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −12,340−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −7,767−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −7,735−100.0% | Sold out |
| Quantamental Technologies LLC | 0 | $0 | 0.00% | −7,677−100.0% | Sold out |
| Sawtooth Solutions, LLC | 0 | $0 | 0.00% | −7,074−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −6,500−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −6,053−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −3,826−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −3,316−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −2,990−100.0% | Sold out |
| Altshuler Shaham Ltd | 0 | $0 | 0.00% | −1,647−100.0% | Sold out |
| Gladius Capital Management LP | 0 | $0 | 0.00% | −997−100.0% | Sold out |
| Total Clarity Wealth Management, Inc. | 0 | $0 | 0.00% | −207−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| C M Bidwell & Associates Ltd | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| Zions Bancorporation, N.A. | 0 | $0 | 0.00% | −59−100.0% | Sold out |
| Sageworth Trust Co of South Dakota | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Raffa Wealth Management, LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| First Horizon Advisors, Inc. | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Friess Associates LLC | – | – | – | – | Not filed |