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 |
|---|---|---|---|---|---|
| Hightower 6M Holding, LLC | 15,998 | $557.0K | 0.05% | −115−0.7% | Reduced |
| APG Asset Management N.V. | 17,200 | $572.0K | 0.00% | −12,800−42.7% | Reduced |
| Susquehanna International Group, LLP | 16,581 | $577.0K | 0.00% | −39,001−70.2% | Reduced |
| DekaBank Deutsche Girozentrale | 16,800 | $579.0K | 0.00% | 00.0% | Unchanged |
| Shell Asset Management Co | 16,908 | $588.0K | 0.02% | −15,495−47.8% | Reduced |
| Jane Street Group, LLC | 17,585 | $612.0K | 0.00% | +8,309+89.6% | Added |
| Oberweis Asset Management Inc | 17,900 | $623.0K | 0.16% | +4,400+32.6% | Added |
| Amalgamated Bank | 18,206 | $633.0K | 0.01% | +1,297+7.7% | Added |
| Raymond James & Associates | 18,283 | $636.0K | 0.00% | +1,591+9.5% | Added |
| Wells Fargo & Company | 18,932 | $659.0K | 0.00% | −61,753−76.5% | Reduced |
| Louisiana State Employees Retirement System | 18,200 | $667.0K | 0.02% | +300+1.7% | Added |
| Truist Financial Corp | 19,376 | $674.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 19,696 | $685.0K | 0.00% | −1,195−5.7% | Reduced |
| MetLife Investment Management | 20,467 | $712.0K | 0.01% | 00.0% | Unchanged |
| American International Group, Inc. | 20,698 | $720.0K | 0.00% | −491−2.3% | Reduced |
| Two Sigma Investments, LP | 21,200 | $738.0K | 0.00% | +21,200 | New |
| STRS Ohio | 21,600 | $751.0K | 0.00% | +16,300+307.5% | Added |
| Deutsche Bank AG | 22,637 | $787.0K | 0.00% | +1,659+7.9% | Added |
| Navellier & Associates Inc | 22,769 | $792.0K | 0.17% | +31+0.1% | Added |
| Macquarie Group Ltd | 25,707 | $895.0K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 26,604 | $926.0K | 0.00% | +204+0.8% | Added |
| Texas Permanent School Fund | 27,176 | $945.0K | 0.02% | +1,056+4.0% | Added |
| UBS Group AG | 27,536 | $958.0K | 0.00% | −353−1.3% | Reduced |
| State of Tennessee, Treasury Department | 27,867 | $969.0K | 0.00% | +13,972+100.6% | Added |
| Yousif Capital Management, LLC | 28,129 | $979.0K | 0.01% | −3,040−9.8% | Reduced |
| New York State Teachers Retirement System | 28,161 | $980.0K | 0.00% | +6,702+31.2% | Added |
| State of Alaska, Department of Revenue | 28,438 | $989.0K | 0.01% | +2,810+11.0% | Added |
| Marshall Wace, LLP | 28,441 | $989.0K | 0.00% | +11,024+63.3% | Added |
| FMR LLC | 29,507 | $1.03M | 0.00% | −118−0.4% | Reduced |
| Winton Group Ltd | 29,641 | $1.03M | 0.05% | +12,920+77.3% | Added |
| Cornercap Investment Counsel Inc | 30,107 | $1.05M | 0.18% | −16,888−35.9% | Reduced |
| Tudor Investment Corp Et Al | 30,676 | $1.07M | 0.03% | −9,719−24.1% | Reduced |
| Algert Global LLC | 30,733 | $1.07M | 0.08% | +16,490+115.8% | Added |
| Jackson Creek Investment Advisors LLC | 28,837 | $1.08M | 0.44% | −20,977−42.1% | Reduced |
| Allianz Asset Management GmbH | 31,009 | $1.08M | 0.00% | +7,780+33.5% | Added |
| Citigroup Inc | 31,339 | $1.09M | 0.00% | −7,325−18.9% | Reduced |
| Trexquant Investment LP | 31,363 | $1.09M | 0.05% | −5,042−13.8% | Reduced |
| Comerica Bank | 30,272 | $1.11M | 0.01% | +90+0.3% | Added |
| Ziegler Capital Management, LLC | 33,946 | $1.18M | 0.05% | +767+2.3% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 34,275 | $1.19M | 0.01% | +2,512+7.9% | Added |
| AQR Capital Management LLC | 35,290 | $1.23M | 0.00% | +21,791+161.4% | Added |
| Credit Suisse AG | 35,398 | $1.23M | 0.00% | −6,137−14.8% | Reduced |
| Robeco Institutional Asset Management B.V. | 36,497 | $1.27M | 0.00% | +2,936+8.7% | Added |
| Thrivent Financial for Lutherans | 36,940 | $1.28M | 0.00% | +6,946+23.2% | Added |
| Shaker Investments LLC | 37,117 | $1.29M | 0.82% | +3,323+9.8% | Added |
| Great West Life Assurance Co | 37,512 | $1.30M | 0.00% | +5,236+16.2% | Added |
| Gotham Asset Management, LLC | 39,432 | $1.37M | 0.04% | +28,492+260.4% | Added |
| Citadel Advisors LLC | 41,398 | $1.44M | 0.00% | −196,485−82.6% | Reduced |
| State of Wisconsin Investment Board | 41,568 | $1.45M | 0.00% | −9,032−17.8% | Reduced |
| Renaissance Group LLC | 42,939 | $1.49M | 0.08% | −5,894−12.1% | Reduced |
| Victory Capital Management Inc | 44,750 | $1.56M | 0.00% | −17,949−28.6% | Reduced |
| American Century Companies Inc | 45,293 | $1.58M | 0.00% | −32,937−42.1% | Reduced |
| UBS Asset Management Americas Inc | 47,885 | $1.67M | 0.00% | +4,651+10.8% | Added |
| EAM Global Investors LLC | 48,505 | $1.69M | 0.41% | −43,197−47.1% | Reduced |
| California State Teachers Retirement System | 49,751 | $1.73M | 0.00% | +1,383+2.9% | Added |
| D.A. Davidson & Co. | 50,339 | $1.75M | 0.02% | −795−1.6% | Reduced |
| Alliancebernstein L.P. | 50,347 | $1.75M | 0.00% | +4,141+9.0% | Added |
| BNP Paribas Arbitrage, SA | 51,006 | $1.77M | 0.00% | −88,020−63.3% | Reduced |
| Summit Global Investments | 53,214 | $1.85M | 0.16% | +8,514+19.0% | Added |
| Exchange Traded Concepts, LLC | 54,293 | $1.89M | 0.05% | +1,612+3.1% | Added |
| PDT Partners, LLC | 54,804 | $1.91M | 0.17% | +20,415+59.4% | Added |
| Aviva PLC | 56,747 | $1.97M | 0.01% | +56,747 | New |
| Schroder Investment Management Group | 59,632 | $2.04M | 0.00% | +59,632 | New |
| Allspring Global Investments Holdings, LLC | 59,053 | $2.05M | 0.00% | −23,000−28.0% | Reduced |
| Qube Research & Technologies Ltd | 59,233 | $2.06M | 0.02% | +10,409+21.3% | Added |
| Graham Capital Management, L.P. | 60,386 | $2.10M | 0.10% | +29,718+96.9% | Added |
| SEI Investments Co | 60,625 | $2.12M | 0.00% | +20,518+51.2% | Added |
| D. E. Shaw & Co., Inc. | 61,735 | $2.15M | 0.00% | −3,404−5.2% | Reduced |
| Barclays PLC | 64,118 | $2.23M | 0.00% | +11,773+22.5% | Added |
| Occudo Quantitative Strategies LP | 66,113 | $2.30M | 0.19% | +41,300+166.4% | Added |
| State of New Jersey Common Pension Fund D | 67,410 | $2.35M | 0.01% | +67,410 | New |
| EAM Investors, LLC | 68,855 | $2.40M | 0.58% | −55,842−44.8% | Reduced |
| Clark Capital Management Group, Inc. | 68,957 | $2.40M | 0.03% | −26,672−27.9% | Reduced |
| Public Sector Pension Investment Board | 69,602 | $2.42M | 0.02% | +830+1.2% | Added |
| Globeflex Capital L P | 72,253 | $2.51M | 0.61% | −47−0.1% | Reduced |
| Martingale Asset Management L P | 74,574 | $2.60M | 0.05% | −8,562−10.3% | Reduced |
| Rhumbline Advisers | 79,187 | $2.75M | 0.00% | −808−1.0% | Reduced |
| AXA S.A. | 79,869 | $2.78M | 0.01% | +79,869 | New |
| Millennium Management LLC | 82,041 | $2.85M | 0.00% | −91,280−52.7% | Reduced |
| Bank of America Corp | 83,907 | $2.92M | 0.00% | +22,678+37.0% | Added |
| Prudential Financial Inc | 90,015 | $3.07M | 0.00% | +9,130+11.3% | Added |
| Legal & General Group Plc | 89,234 | $3.10M | 0.00% | +2,043+2.3% | Added |
| Swiss National Bank | 90,500 | $3.15M | 0.00% | 00.0% | Unchanged |
| Friess Associates LLC | 97,760 | $3.40M | 5.68% | −56,655−36.7% | Reduced |
| Calamos Advisors LLC | 100,942 | $3.51M | 0.02% | +6,299+6.7% | Added |
| Two Sigma Advisers, LP | 111,400 | $3.88M | 0.01% | +87,700+370.0% | Added |
| Cubist Systematic Strategies, LLC | 112,157 | $3.90M | 0.03% | −28,072−20.0% | Reduced |
| Quantedge Capital Pte Ltd | 121,500 | $4.23M | 0.85% | +90,400+290.7% | Added |
| LSV Asset Management | 127,053 | $4.42M | 0.01% | −12,700−9.1% | Reduced |
| Acadian Asset Management LLC | 128,734 | $4.48M | 0.02% | +18,586+16.9% | Added |
| Pacer Advisors, Inc. | 149,964 | $5.22M | 0.04% | +149,964 | New |
| Price T Rowe Associates Inc | 162,814 | $5.66M | 0.00% | +162,814 | New |
| Voloridge Investment Management, LLC | 176,982 | $6.16M | 0.03% | +82,912+88.1% | Added |
| Jacobs Levy Equity Management, Inc | 187,129 | $6.51M | 0.05% | +74,613+66.3% | Added |
| Castleark Management LLC | 192,649 | $6.70M | 0.36% | +192,649 | New |
| Ameriprise Financial Inc | 196,100 | $6.82M | 0.00% | +8,316+4.4% | Added |
| Hillsdale Investment Management Inc. | 197,738 | $6.88M | 0.55% | −36,600−15.6% | Reduced |
| Frontier Capital Management Co LLC | 205,663 | $7.16M | 0.08% | −45,609−18.2% | Reduced |
| JPMorgan Chase & Co | 217,156 | $7.55M | 0.00% | +128,688+145.5% | Added |
| Eagle Asset Management Inc | 227,459 | $7.91M | 0.05% | +50,120+28.3% | Added |