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, Q1 2024
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Mar 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
- 271
- −5 vs. Q4 2023
- Shares held
- 33.6M
- +264.9K (+0.8%) vs. Q4 2023
- Total value
- $1.47B
- −$585.9M (−28.5%) vs. Q4 2023
- New holders
- 48
- 89 more added
- Sold out
- 53
- 98 more reduced
Compare with Q4 2023: 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, Q1 2024
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Engineers Gate Manager LP | 25,445 | $1.12M | 0.03% | +14,391+130.2% | Added |
| Envestnet Asset Management Inc | 23,797 | $1.04M | 0.00% | +726+3.1% | Added |
| State of Alaska, Department of Revenue | 22,764 | $999.0K | 0.01% | −225−1.0% | Reduced |
| Arrowstreet Capital, Limited Partnership | 22,539 | $990.0K | 0.00% | +22,539 | New |
| D.A. Davidson & Co. | 21,651 | $950.7K | 0.01% | −4,973−18.7% | Reduced |
| Susquehanna International Group, LLP | 21,408 | $940.0K | 0.00% | −5,757−21.2% | Reduced |
| Illinois Municipal Retirement Fund | 21,365 | $938.0K | 0.01% | −228−1.1% | Reduced |
| Manufacturers Life Insurance Company, The | 21,292 | $934.9K | 0.00% | +1,641+8.4% | Added |
| FMR LLC | 20,886 | $917.1K | 0.00% | +1,481+7.6% | Added |
| Deutsche Bank AG | 20,775 | $912.2K | 0.00% | −9,911−32.3% | Reduced |
| Winton Group Ltd | 20,581 | $903.7K | 0.06% | +12,514+155.1% | Added |
| American International Group, Inc. | 20,347 | $893.4K | 0.00% | −554−2.7% | Reduced |
| DekaBank Deutsche Girozentrale | 20,848 | $892.0K | 0.00% | 00.0% | Unchanged |
| Caitlin John, LLC | 20,022 | $879.2K | 0.67% | +5,580+38.6% | Added |
| State of Tennessee, Treasury Department | 19,614 | $861.3K | 0.00% | −827−4.0% | Reduced |
| MetLife Investment Management | 19,517 | $857.0K | 0.01% | −950−4.6% | Reduced |
| HRT Financial LP | 18,608 | $817.0K | 0.01% | +18,608 | New |
| Louisiana State Employees Retirement System | 18,500 | $812.3K | 0.02% | −200−1.1% | Reduced |
| Dynamic Technology Lab Private Ltd | 17,689 | $777.0K | 0.08% | +17,689 | New |
| Los Angeles Capital Management LLC | 17,428 | $765.3K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 17,100 | $750.0K | 0.00% | +1,100+6.9% | Added |
| US Bancorp | 17,056 | $748.9K | 0.00% | −4,192−19.7% | Reduced |
| Glenmede Trust Co NA | 17,036 | $748.0K | 0.00% | −1,080−6.0% | Reduced |
| Versor Investments LP | 16,700 | $733.3K | 0.15% | +16,700 | New |
| Capital Impact Advisors, LLC | 16,425 | $721.2K | 0.94% | +1,121+7.3% | Added |
| Shariaportfolio, Inc. | 16,019 | $703.4K | 0.41% | +2,445+18.0% | Added |
| Concurrent Investment Advisors, LLC | 15,778 | $692.8K | 0.03% | +15,778 | New |
| Mirae Asset Global Investments Co., Ltd. | 17,920 | $688.1K | 0.00% | −509−2.8% | Reduced |
| Comerica Bank | 15,591 | $684.6K | 0.00% | −1,179−7.0% | Reduced |
| CI Private Wealth, LLC | 15,398 | $676.1K | 0.00% | −20.0% | Reduced |
| Truist Financial Corp | 15,380 | $675.3K | 0.00% | −410−2.6% | Reduced |
| Nations Financial Group Inc, | 14,923 | $655.3K | 0.06% | +399+2.7% | Added |
| Annex Advisory Services, LLC | 14,777 | $648.9K | 0.02% | +917+6.6% | Added |
| Handelsbanken Fonder AB | 14,100 | $619.0K | 0.00% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 13,792 | $605.6K | 0.05% | +13,792 | New |
| Yousif Capital Management, LLC | 13,707 | $601.9K | 0.01% | −2,961−17.8% | Reduced |
| Advisory Research Inc | 13,329 | $585.3K | 0.12% | −845−6.0% | Reduced |
| Maryland State Retirement & Pension System | 13,581 | $549.1K | 0.01% | 00.0% | Unchanged |
| BI Asset Management Fondsmaeglerselskab A/S | 12,455 | $547.0K | 0.01% | +4,811+62.9% | Added |
| Royal Bank of Canada | 12,139 | $532.0K | 0.00% | −44,162−78.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 11,691 | $514.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 11,618 | $510.0K | 0.00% | −4,726−28.9% | Reduced |
| Juncture Wealth Strategies, LLC | 11,560 | $507.6K | 0.22% | −7,236−38.5% | Reduced |
| Crossmark Global Holdings, Inc. | 11,025 | $484.0K | 0.01% | −194−1.7% | Reduced |
| ProShare Advisors LLC | 10,973 | $481.8K | 0.00% | +708+6.9% | Added |
| Quantbot Technologies LP | 10,948 | $480.7K | 0.03% | +10,948 | New |
| Arizona State Retirement System | 10,533 | $462.5K | 0.00% | −393−3.6% | Reduced |
| Point72 (DIFC) Ltd | 10,533 | $462.5K | 0.04% | +10,533 | New |
| Legato Capital Management LLC | 10,507 | $461.4K | 0.06% | −4,710−31.0% | Reduced |
| Commonwealth Equity Services, LLC | 10,207 | $448.0K | 0.00% | +5,246+105.7% | Added |
| Oregon Public Employees Retirement Fund | 10,042 | $440.9K | 0.01% | −900−8.2% | Reduced |
| Sherbrooke Park Advisers LLC | 9,724 | $427.0K | 0.08% | +9,724 | New |
| Vestcor Inc | 9,383 | $412.0K | 0.01% | −3,828−29.0% | Reduced |
| Cim, LLC | 9,315 | $409.0K | 0.06% | +70+0.8% | Added |
| China Universal Asset Management Co., Ltd. | 9,246 | $406.0K | 0.05% | +3,704+66.8% | Added |
| Cornerstone Investment Partners, LLC | 9,145 | $401.6K | 0.02% | 00.0% | Unchanged |
| Stephens Inc | 9,139 | $401.3K | 0.01% | +9,139 | New |
| Lazard Asset Management LLC | 9,017 | $395.0K | 0.00% | −180−2.0% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 8,884 | $390.1K | 0.00% | +8,884 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,867 | $389.4K | 0.00% | −1,925−17.8% | Reduced |
| Profund Advisors LLC | 8,658 | $380.2K | 0.01% | +1,763+25.6% | Added |
| Teacher Retirement System of Texas | 8,529 | $375.0K | 0.00% | −496−5.5% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 8,234 | $361.6K | 0.02% | −3,022−26.8% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,070 | $354.4K | 0.00% | +6+0.1% | Added |
| Alps Advisors Inc | 7,928 | $348.1K | 0.00% | +1,717+27.6% | Added |
| Guidance Capital, Inc | 8,417 | $343.2K | 0.13% | +941+12.6% | Added |
| Bank of Montreal | 7,646 | $339.7K | 0.00% | +200+2.7% | Added |
| Fox Run Management, L.L.C. | 7,689 | $337.6K | 0.07% | +7,689 | New |
| HSBC Holdings PLC | 7,429 | $326.2K | 0.00% | +7,429 | New |
| Cynosure Management, LLC | 7,254 | $318.5K | 0.06% | +7,254 | New |
| Petrus Trust Company, LTA | 7,061 | $310.0K | 0.03% | +1,374+24.2% | Added |
| UniSuper Management Pty Ltd | 6,731 | $295.6K | 0.00% | +6,731 | New |
| The PNC Financial Services Group, Inc. | 6,642 | $291.7K | 0.00% | +4,394+195.5% | Added |
| Mackenzie Financial Corp | 6,592 | $289.5K | 0.00% | +837+14.5% | Added |
| Baird Financial Group, Inc. | 6,567 | $288.4K | 0.00% | −8,972−57.7% | Reduced |
| Everence Capital Management Inc | 6,470 | $284.0K | 0.02% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 6,339 | $278.3K | 0.01% | +6,339 | New |
| Schonfeld Strategic Advisors LLC | 6,229 | $273.5K | 0.00% | +6,229 | New |
| Virtus Investment Advisers, Inc. | 6,109 | $268.2K | 0.19% | 00.0% | Unchanged |
| Hancock Whitney Corp | 6,107 | $268.2K | 0.01% | +2,252+58.4% | Added |
| Public Employees Retirement Association of Colorado | 6,049 | $266.0K | 0.00% | −360−5.6% | Reduced |
| Amundi | 6,879 | $265.9K | 0.00% | +1,800+35.4% | Added |
| First Hawaiian Bank | 5,864 | $257.5K | 0.01% | 00.0% | Unchanged |
| Invst, LLC | 5,781 | $251.1K | 0.03% | +5,781 | New |
| Pathstone Holdings, LLC | 5,607 | $246.2K | 0.00% | −76−1.3% | Reduced |
| Corton Capital Inc. | 5,586 | $245.3K | 0.09% | −329−5.6% | Reduced |
| Brevan Howard Capital Management LP | 5,514 | $242.1K | 0.02% | +5,514 | New |
| Stratos Wealth Partners, LTD. | 5,492 | $241.2K | 0.00% | −1,434−20.7% | Reduced |
| Rafferty Asset Management, LLC | 5,417 | $237.9K | 0.00% | +1,788+49.3% | Added |
| Perigon Wealth Management, LLC | 5,215 | $229.0K | 0.01% | −6,887−56.9% | Reduced |
| Pictet Asset Management Holding SA | 5,116 | $224.6K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 4,826 | $211.9K | 0.00% | +4,826 | New |
| State Board of Administration of Florida Retirement System | 5,623 | $210.9K | 0.00% | −5,340−48.7% | Reduced |
| Shell Asset Management Co | 5,128 | $205.0K | 0.01% | −514−9.1% | Reduced |
| Guggenheim Capital LLC | 4,611 | $202.5K | 0.00% | +133+3.0% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 4,502 | $197.7K | 0.05% | +4,055+907.2% | Added |
| Ameritas Investment Partners, Inc. | 3,987 | $175.1K | 0.01% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 3,607 | $158.4K | 0.14% | +2,859+382.2% | Added |
| EMC Capital Management | 3,113 | $137.0K | 0.08% | +3,113 | New |
| Point72 Hong Kong Ltd | 2,400 | $105.4K | 0.01% | +2,400 | New |