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 |
|---|---|---|---|---|---|
| Mirae Asset Global Investments Co., Ltd. | 17,227 | $484.0K | 0.00% | +4,908+39.8% | Added |
| State Board of Administration of Florida Retirement System | 18,259 | $513.0K | 0.00% | +18,259 | New |
| Louisiana State Employees Retirement System | 18,300 | $514.0K | 0.02% | +100+0.5% | Added |
| Deutsche Bank AG | 18,309 | $515.0K | 0.00% | −4,328−19.1% | Reduced |
| Amalgamated Bank | 18,577 | $522.0K | 0.01% | +371+2.0% | Added |
| Voya Investment Management LLC | 19,696 | $553.5K | 0.00% | 00.0% | Unchanged |
| Summit Global Investments | 20,100 | $565.0K | 0.05% | −33,114−62.2% | Reduced |
| MetLife Investment Management | 20,467 | $575.1K | 0.00% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 20,924 | $588.0K | 0.00% | −10,085−32.5% | Reduced |
| American International Group, Inc. | 20,973 | $589.0K | 0.00% | +275+1.3% | Added |
| Navellier & Associates Inc | 22,591 | $635.0K | 0.14% | −178−0.8% | Reduced |
| Gotham Asset Management, LLC | 23,032 | $647.0K | 0.02% | −16,400−41.6% | Reduced |
| Panagora Asset Management Inc | 24,668 | $693.0K | 0.00% | +16,382+197.7% | Added |
| SEI Investments Co | 25,632 | $720.0K | 0.00% | −34,993−57.7% | Reduced |
| Raymond James & Associates | 25,912 | $728.0K | 0.00% | +7,629+41.7% | Added |
| Assetmark, Inc | 26,132 | $734.0K | 0.00% | +26,132 | New |
| Winton Group Ltd | 26,353 | $741.0K | 0.05% | −3,288−11.1% | Reduced |
| State of Alaska, Department of Revenue | 26,469 | $743.0K | 0.01% | −1,969−6.9% | Reduced |
| Trexquant Investment LP | 26,482 | $744.0K | 0.03% | −4,881−15.6% | Reduced |
| State of Tennessee, Treasury Department | 26,639 | $748.0K | 0.00% | −1,228−4.4% | Reduced |
| New York State Common Retirement Fund | 26,746 | $752.0K | 0.00% | +142+0.5% | Added |
| STRS Ohio | 27,300 | $767.0K | 0.00% | +5,700+26.4% | Added |
| Texas Permanent School Fund | 27,499 | $773.0K | 0.01% | +323+1.2% | Added |
| Jackson Creek Investment Advisors LLC | 27,577 | $775.0K | 0.36% | −1,260−4.4% | Reduced |
| Yousif Capital Management, LLC | 28,292 | $795.0K | 0.01% | +163+0.6% | Added |
| New York State Teachers Retirement System | 28,387 | $798.0K | 0.00% | +226+0.8% | Added |
| FMR LLC | 29,276 | $823.0K | 0.00% | −231−0.8% | Reduced |
| Comerica Bank | 27,592 | $852.0K | 0.01% | −2,680−8.9% | Reduced |
| Citigroup Inc | 30,990 | $871.0K | 0.00% | −349−1.1% | Reduced |
| Marshall Wace, LLP | 31,638 | $890.0K | 0.00% | +3,197+11.2% | Added |
| Cubist Systematic Strategies, LLC | 32,330 | $908.0K | 0.01% | −79,827−71.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 32,900 | $924.0K | 0.01% | +25,100+321.8% | Added |
| Ziegler Capital Management, LLC | 33,747 | $948.0K | 0.04% | −199−0.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 34,834 | $979.0K | 0.01% | +559+1.6% | Added |
| Algert Global LLC | 35,523 | $998.0K | 0.06% | +4,790+15.6% | Added |
| Exchange Traded Concepts, LLC | 36,017 | $1.01M | 0.03% | −18,276−33.7% | Reduced |
| Victory Capital Management Inc | 36,427 | $1.02M | 0.00% | −8,323−18.6% | Reduced |
| Robeco Institutional Asset Management B.V. | 36,497 | $1.03M | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 37,295 | $1.05M | 0.00% | +19,710+112.1% | Added |
| Credit Suisse AG | 38,929 | $1.09M | 0.00% | +3,531+10.0% | Added |
| State of Wisconsin Investment Board | 39,081 | $1.10M | 0.00% | −2,487−6.0% | Reduced |
| Thrivent Financial for Lutherans | 39,521 | $1.11M | 0.00% | +2,581+7.0% | Added |
| Cornercap Investment Counsel Inc | 41,046 | $1.15M | 0.22% | +10,939+36.3% | Added |
| Great West Life Assurance Co | 42,367 | $1.19M | 0.00% | +4,855+12.9% | Added |
| Occudo Quantitative Strategies LP | 43,450 | $1.22M | 0.09% | −22,663−34.3% | Reduced |
| Renaissance Group LLC | 44,364 | $1.25M | 0.07% | +1,425+3.3% | Added |
| UBS Asset Management Americas Inc | 46,423 | $1.30M | 0.00% | −1,462−3.1% | Reduced |
| California State Teachers Retirement System | 49,024 | $1.38M | 0.00% | −727−1.5% | Reduced |
| D.A. Davidson & Co. | 49,090 | $1.38M | 0.02% | −1,249−2.5% | Reduced |
| Teacher Retirement System of Texas | 49,156 | $1.38M | 0.01% | +42,037+590.5% | Added |
| Alliancebernstein L.P. | 50,489 | $1.42M | 0.00% | +142+0.3% | Added |
| Aviva PLC | 54,477 | $1.53M | 0.01% | −2,270−4.0% | Reduced |
| Barclays PLC | 55,504 | $1.56M | 0.00% | −8,614−13.4% | Reduced |
| American Century Companies Inc | 55,980 | $1.57M | 0.00% | +10,687+23.6% | Added |
| D. E. Shaw & Co., Inc. | 57,879 | $1.63M | 0.00% | −3,856−6.2% | Reduced |
| Schroder Investment Management Group | 59,176 | $1.66M | 0.00% | −456−0.8% | Reduced |
| Martingale Asset Management L P | 65,536 | $1.84M | 0.04% | −9,038−12.1% | Reduced |
| Public Sector Pension Investment Board | 70,079 | $1.97M | 0.02% | +477+0.7% | Added |
| Russell Investments Group, Ltd. | 71,394 | $2.00M | 0.00% | −156,415−68.7% | Reduced |
| Globeflex Capital L P | 72,253 | $2.03M | 0.35% | 00.0% | Unchanged |
| Shaker Investments LLC | 80,399 | $2.26M | 1.51% | +43,282+116.6% | Added |
| Qube Research & Technologies Ltd | 81,792 | $2.30M | 0.01% | +22,559+38.1% | Added |
| Mutual of America Capital Management LLC | 83,250 | $2.34M | 0.03% | +76,936+1,218.5% | Added |
| Rhumbline Advisers | 84,586 | $2.38M | 0.00% | +5,399+6.8% | Added |
| Bank of America Corp | 88,767 | $2.50M | 0.00% | +4,860+5.8% | Added |
| Two Sigma Advisers, LP | 90,600 | $2.55M | 0.01% | −20,800−18.7% | Reduced |
| Legal & General Group Plc | 91,440 | $2.57M | 0.00% | +2,206+2.5% | Added |
| Swiss National Bank | 92,600 | $2.60M | 0.00% | +2,100+2.3% | Added |
| AQR Capital Management LLC | 94,753 | $2.66M | 0.01% | +59,463+168.5% | Added |
| Oberweis Asset Management Inc | 101,500 | $2.85M | 0.67% | +83,600+467.0% | Added |
| Quantedge Capital Pte Ltd | 106,200 | $2.98M | 0.92% | −15,300−12.6% | Reduced |
| Acadian Asset Management LLC | 107,173 | $3.01M | 0.02% | −21,561−16.7% | Reduced |
| Prudential Financial Inc | 141,132 | $3.97M | 0.01% | +51,117+56.8% | Added |
| Assenagon Asset Management S.A. | 145,216 | $4.08M | 0.02% | −273,801−65.3% | Reduced |
| AXA S.A. | 146,265 | $4.11M | 0.02% | +66,396+83.1% | Added |
| Voloridge Investment Management, LLC | 162,258 | $4.56M | 0.02% | −14,724−8.3% | Reduced |
| Goldman Sachs Group Inc | 174,343 | $4.90M | 0.00% | −155,500−47.1% | Reduced |
| Citadel Advisors LLC | 175,265 | $4.92M | 0.01% | +133,867+323.4% | Added |
| Jacobs Levy Equity Management, Inc | 188,039 | $5.28M | 0.04% | +910+0.5% | Added |
| Ameriprise Financial Inc | 192,894 | $5.42M | 0.00% | −3,206−1.6% | Reduced |
| Hillsdale Investment Management Inc. | 197,738 | $5.56M | 0.50% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 201,065 | $5.65M | 0.01% | −103,607−34.0% | Reduced |
| Frontier Capital Management Co LLC | 204,573 | $5.75M | 0.07% | −1,090−0.5% | Reduced |
| JPMorgan Chase & Co | 219,683 | $6.17M | 0.00% | +2,527+1.2% | Added |
| Silvercrest Asset Management Group LLC | 225,156 | $6.33M | 0.05% | −6,120−2.6% | Reduced |
| Allspring Global Investments Holdings, LLC | 226,524 | $6.37M | 0.01% | +167,471+283.6% | Added |
| Principal Financial Group Inc | 244,743 | $6.88M | 0.01% | −11,801−4.6% | Reduced |
| Portolan Capital Management, LLC | 282,187 | $7.93M | 0.84% | +7,298+2.7% | Added |
| Charles Schwab Investment Management Inc | 307,293 | $8.63M | 0.00% | −7,500−2.4% | Reduced |
| Eagle Asset Management Inc | 310,255 | $8.72M | 0.06% | +82,796+36.4% | Added |
| Nordea Investment Management AB | 345,378 | $10.1M | 0.02% | −1,403−0.4% | Reduced |
| Bank of New York Mellon Corp | 362,875 | $10.2M | 0.00% | −2,971−0.8% | Reduced |
| Mesirow Institutional Investment Management, Inc. | 377,099 | $10.6M | 1.54% | +377,099 | New |
| Northern Trust Corp | 415,117 | $11.7M | 0.00% | −260.0% | Reduced |
| Nuveen Asset Management, LLC | 416,607 | $11.7M | 0.00% | −174,217−29.5% | Reduced |
| Renaissance Technologies LLC | 433,800 | $12.2M | 0.02% | +26,900+6.6% | Added |
| Invesco Ltd. | 587,943 | $16.5M | 0.01% | +77,896+15.3% | Added |
| Geode Capital Management, LLC | 708,206 | $19.9M | 0.00% | +15,818+2.3% | Added |
| Morgan Stanley | 710,384 | $20.0M | 0.00% | −116,407−14.1% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 715,181 | $20.1M | 0.14% | −11,335−1.6% | Reduced |