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, Q4 2024
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Dec 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
- 264
- −13 vs. Q3 2024
- Shares held
- 35.2M
- −142.7K (−0.4%) vs. Q3 2024
- Total value
- $1.31B
- −$405.9M (−23.7%) vs. Q3 2024
- New holders
- 37
- 84 more added
- Sold out
- 50
- 100 more reduced
2 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wells Fargo & Company | 23,552 | $874.5K | 0.00% | −19,136−44.8% | Reduced |
| MetLife Investment Management | 23,452 | $870.8K | 0.00% | +845+3.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 21,876 | $812.3K | 0.00% | +792+3.8% | Added |
| Man Group plc | 21,825 | $810.4K | 0.00% | +21,825 | New |
| Redwood Investments, LLC | 21,459 | $796.8K | 0.21% | −27−0.1% | Reduced |
| FMR LLC | 21,345 | $792.5K | 0.00% | −12,990−37.8% | Reduced |
| State of Alaska, Department of Revenue | 21,325 | $791.0K | 0.01% | −342−1.6% | Reduced |
| Manufacturers Life Insurance Company, The | 21,257 | $789.3K | 0.00% | −610−2.8% | Reduced |
| Illinois Municipal Retirement Fund | 20,959 | $778.2K | 0.01% | −431−2.0% | Reduced |
| DekaBank Deutsche Girozentrale | 20,848 | $772.0K | 0.00% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 20,449 | $759.3K | 0.00% | −1,613−7.3% | Reduced |
| LPL Financial LLC | 20,366 | $756.2K | 0.00% | +1,510+8.0% | Added |
| Amundi | 19,583 | $717.3K | 0.00% | +12,899+193.0% | Added |
| Dynamic Technology Lab Private Ltd | 19,150 | $711.0K | 0.11% | +14,468+309.0% | Added |
| Segall Bryant & Hamill, LLC | 18,881 | $701.1K | 0.01% | −87−0.5% | Reduced |
| Fox Run Management, L.L.C. | 18,526 | $687.9K | 0.12% | +18,526 | New |
| Shaker Investments LLC | 18,520 | $687.6K | 0.29% | −16−0.1% | Reduced |
| Legato Capital Management LLC | 18,461 | $685.5K | 0.09% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 18,100 | $672.1K | 0.01% | −300−1.6% | Reduced |
| Jain Global LLC | 17,974 | $667.4K | 0.02% | +17,974 | New |
| Wellington Management Group LLP | 17,784 | $660.3K | 0.00% | −1,939−9.8% | Reduced |
| Squarepoint Ops LLC | 17,664 | $655.9K | 0.00% | +11,929+208.0% | Added |
| Gsa Capital Partners LLP | 17,434 | $647.0K | 0.05% | +11,185+179.0% | Added |
| Illumine Investment Management, LLC | 17,049 | $633.0K | 0.52% | +17,049 | New |
| State of Tennessee, Treasury Department | 16,792 | $623.5K | 0.00% | −3,058−15.4% | Reduced |
| Voya Investment Management LLC | 16,785 | $623.2K | 0.00% | −422−2.5% | Reduced |
| Advisor Group Holdings, Inc. | 16,200 | $601.5K | 0.00% | −19,263−54.3% | Reduced |
| CI Private Wealth, LLC | 15,381 | $571.1K | 0.00% | +34+0.2% | Added |
| Handelsbanken Fonder AB | 14,400 | $535.0K | 0.00% | −2,500−14.8% | Reduced |
| Advisory Research Inc | 13,853 | $514.4K | 0.09% | +43+0.3% | Added |
| ProShare Advisors LLC | 13,852 | $514.3K | 0.00% | +2,958+27.2% | Added |
| Allspring Global Investments Holdings, LLC | 14,064 | $511.4K | 0.00% | −10,199−42.0% | Reduced |
| EntryPoint Capital, LLC | 13,658 | $507.1K | 0.21% | +4,348+46.7% | Added |
| Maryland State Retirement & Pension System | 12,630 | $469.0K | 0.01% | −191−1.5% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 12,096 | $449.0K | 0.00% | +181+1.5% | Added |
| Comerica Bank | 11,805 | $438.3K | 0.00% | −1,101−8.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 11,691 | $434.0K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 11,548 | $429.0K | 0.00% | +1,736+17.7% | Added |
| Yousif Capital Management, LLC | 11,346 | $421.3K | 0.00% | −410−3.5% | Reduced |
| Invst, LLC | 11,346 | $421.3K | 0.05% | −3,044−21.2% | Reduced |
| Arizona State Retirement System | 11,304 | $419.7K | 0.00% | +39+0.3% | Added |
| D.A. Davidson & Co. | 11,244 | $417.5K | 0.00% | +11,244 | New |
| Amalgamated Bank | 10,998 | $408.0K | 0.00% | −278−2.5% | Reduced |
| State Board of Administration of Florida Retirement System | 10,913 | $405.2K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 10,195 | $378.5K | 0.04% | +833+8.9% | Added |
| Cim, LLC | 10,078 | $374.2K | 0.05% | +126+1.3% | Added |
| Centiva Capital, LP | 9,803 | $364.0K | 0.01% | +3,338+51.6% | Added |
| Sanctuary Advisors, LLC | 9,983 | $363.1K | 0.00% | −257−2.5% | Reduced |
| Pathstone Holdings, LLC | 9,694 | $359.9K | 0.00% | −427−4.2% | Reduced |
| Vestcor Inc | 9,383 | $348.0K | 0.01% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 9,319 | $346.0K | 0.00% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 9,200 | $341.6K | 0.00% | −29,617−76.3% | Reduced |
| Royce & Associates LP | 8,902 | $330.5K | 0.00% | −174−1.9% | Reduced |
| HSBC Holdings PLC | 8,991 | $329.8K | 0.00% | +1,707+23.4% | Added |
| Oregon Public Employees Retirement Fund | 8,842 | $328.3K | 0.01% | −100−1.1% | Reduced |
| Cornerstone Investment Partners, LLC | 8,730 | $324.1K | 0.02% | +5+0.1% | Added |
| Walleye Capital LLC | 8,666 | $321.8K | 0.00% | +8,666 | New |
| Police & Firemen's Retirement System of New Jersey | 8,288 | $307.7K | 0.00% | +8,288 | New |
| Bank of Montreal | 8,215 | $305.0K | 0.00% | +361+4.6% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,006 | $297.3K | 0.00% | −109−1.3% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 7,939 | $294.8K | 0.01% | −93−1.2% | Reduced |
| Profund Advisors LLC | 7,920 | $294.1K | 0.01% | −36−0.5% | Reduced |
| BCJ Capital Management, LLC | 7,638 | $283.6K | 0.02% | +1,021+15.4% | Added |
| Cynosure Management, LLC | 7,618 | $282.9K | 0.04% | +192+2.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,504 | $278.6K | 0.00% | +1,260+20.2% | Added |
| Hohimer Wealth Management, LLC | 7,485 | $277.9K | 0.05% | +491+7.0% | Added |
| KLP Kapitalforvaltning AS | 7,400 | $274.8K | 0.00% | +7,400 | New |
| Alps Advisors Inc | 7,395 | $274.6K | 0.00% | 00.0% | Unchanged |
| Significant Wealth Partners LLC | 7,135 | $264.9K | 0.14% | +7,135 | New |
| Aquatic Capital Management LLC | 7,036 | $261.2K | 0.01% | +7,036 | New |
| Tiemann Investment Advisors, LLC | 6,962 | $258.5K | 0.11% | +6,962 | New |
| Brevan Howard Capital Management LP | 6,905 | $256.4K | 0.01% | +6,905 | New |
| Allianz Asset Management GmbH | 6,700 | $248.8K | 0.00% | 00.0% | Unchanged |
| Axq Capital, LP | 6,621 | $245.8K | 0.11% | +6,621 | New |
| Yorktown Management & Research Co Inc | 6,600 | $245.1K | 0.24% | +6,600 | New |
| Verition Fund Management LLC | 6,338 | $235.3K | 0.00% | +1,176+22.8% | Added |
| Virtus Investment Advisers, Inc. | 6,109 | $226.8K | 0.18% | 00.0% | Unchanged |
| Truist Financial Corp | 5,661 | $210.2K | 0.00% | −64−1.1% | Reduced |
| Dakota Wealth Management | 5,486 | $203.7K | 0.00% | +1,322+31.7% | Added |
| Cornercap Investment Counsel Inc | 5,421 | $201.3K | 0.06% | 00.0% | Unchanged |
| Alan B. Lancz & Associates, Inc. | 5,400 | $200.5K | 0.20% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 5,265 | $195.0K | 0.00% | 00.0% | Unchanged |
| Oakworth Capital, Inc. | 5,023 | $186.5K | 0.01% | 00.0% | Unchanged |
| Quest Partners LLC | 4,862 | $180.5K | 0.02% | −2,724−35.9% | Reduced |
| Shell Asset Management Co | 4,834 | $179.0K | 0.01% | −16−0.3% | Reduced |
| The PNC Financial Services Group, Inc. | 4,203 | $156.1K | 0.00% | +1,992+90.1% | Added |
| Ameritas Investment Partners, Inc. | 3,762 | $139.7K | 0.00% | 00.0% | Unchanged |
| Mendota Financial Group, LLC | 3,426 | $127.2K | 0.08% | −1,081−24.0% | Reduced |
| EMC Capital Management | 3,113 | $116.0K | 0.07% | 00.0% | Unchanged |
| Aster Capital Management (DIFC) Ltd | 2,869 | $106.5K | 0.04% | +2,869 | New |
| 1620 Investment Advisors, Inc. | 2,288 | $85.0K | 0.06% | −79−3.3% | Reduced |
| KBC Group NV | 2,159 | $80.0K | 0.00% | +650+43.1% | Added |
| TD Private Client Wealth LLC | 2,099 | $77.9K | 0.00% | +388+22.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,602 | $60.6K | 0.00% | −159−9.0% | Reduced |
| Lazard Asset Management LLC | 1,630 | $60.0K | 0.00% | −5,771−78.0% | Reduced |
| Allworth Financial LP | 1,426 | $51.5K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 1,340 | $49.8K | 0.00% | +361+36.9% | Added |
| Asset Management One Co.,Ltd. | 1,297 | $49.0K | 0.00% | −312−19.4% | Reduced |
| Pinnacle Financial Partners Inc | 1,000 | $48.5K | 0.00% | 00.0% | Unchanged |
| Virtus Fund Advisers, LLC | 1,220 | $45.3K | 0.14% | +42+3.6% | Added |