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, Q2 2022
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Jun 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
- 223
- +24 vs. Q1 2022
- Shares held
- 30.6M
- +1.09M (+3.7%) vs. Q1 2022
- Total value
- $1.06B
- +$5.17M (+0.5%) vs. Q1 2022
- New holders
- 38
- 90 more added
- Sold out
- 14
- 74 more reduced
4 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2022
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Russell Investments Group, Ltd. | 227,809 | $7.92M | 0.02% | +73,470+47.6% | Added |
| Silvercrest Asset Management Group LLC | 231,276 | $8.05M | 0.06% | −10,425−4.3% | Reduced |
| Principal Financial Group Inc | 256,544 | $8.93M | 0.01% | −10,360−3.9% | Reduced |
| Portolan Capital Management, LLC | 274,889 | $9.56M | 0.96% | +274,889 | New |
| Arrowstreet Capital, Limited Partnership | 304,672 | $10.6M | 0.02% | −86,913−22.2% | Reduced |
| Charles Schwab Investment Management Inc | 314,793 | $11.0M | 0.00% | +46,395+17.3% | Added |
| Goldman Sachs Group Inc | 329,843 | $11.5M | 0.00% | +213,355+183.2% | Added |
| Nordea Investment Management AB | 346,781 | $11.9M | 0.02% | +62,390+21.9% | Added |
| MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income | 341,294 | $11.9M | 1.52% | +89,635+35.6% | Added |
| Bank of New York Mellon Corp | 365,846 | $12.7M | 0.00% | −35,559−8.9% | Reduced |
| Renaissance Technologies LLC | 406,900 | $14.2M | 0.02% | +98,200+31.8% | Added |
| Northern Trust Corp | 415,143 | $14.4M | 0.00% | +11,001+2.7% | Added |
| Assenagon Asset Management S.A. | 419,017 | $14.6M | 0.06% | −8,588−2.0% | Reduced |
| Invesco Ltd. | 510,047 | $17.7M | 0.01% | −223,795−30.5% | Reduced |
| Nuveen Asset Management, LLC | 590,824 | $20.6M | 0.01% | +114,149+23.9% | Added |
| Geode Capital Management, LLC | 692,388 | $24.1M | 0.00% | −11,091−1.6% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 726,516 | $25.3M | 0.17% | +111,661+18.2% | Added |
| Morgan Stanley | 826,791 | $28.8M | 0.00% | +264,396+47.0% | Added |
| State Street Corp | 1,540,846 | $53.6M | 0.00% | +218,895+16.6% | Added |
| Dimensional Fund Advisors LP | 1,826,043 | $63.5M | 0.02% | +29,774+1.7% | Added |
| Vanguard Group Inc | 2,560,777 | $89.1M | 0.00% | +77,572+3.1% | Added |
| Federated Hermes, Inc. | 3,282,967 | $114.2M | 0.31% | −204,463−5.9% | Reduced |
| BlackRock Inc. | 7,072,197 | $246.0M | 0.01% | −31,327−0.4% | Reduced |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −178,801−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −59,466−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −51,304−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −30,634−100.0% | Sold out |
| Lido Advisors, LLC | 0 | $0 | 0.00% | −13,731−100.0% | Sold out |
| Eqis Capital Management, Inc. | 0 | $0 | 0.00% | −8,556−100.0% | Sold out |
| Aaron Wealth Advisors | 0 | $0 | 0.00% | −10,805−100.0% | Sold out |
| AdvisorShares Investments LLC | 0 | $0 | 0.00% | −8,200−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −6,867−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −6,990−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −5,963−100.0% | Sold out |
| AdvisorNet Financial, Inc | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| Tarbox Family Office, Inc. | 0 | $0 | 0.00% | −168−100.0% | Sold out |
| Parametric Portfolio Associates LLC | – | – | – | – | Not filed |
| Amalgamated Financial Corp. | – | – | – | – | Not filed |
| IndexIQ Advisors LLC | – | – | – | – | Not filed |
| Teachers Retirement System of the State of Kentucky | – | – | – | – | Not filed |