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 2023
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Sep 30, 2023. 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
- 256
- +13 vs. Q2 2023
- Shares held
- 32.0M
- +617.6K (+2.0%) vs. Q2 2023
- Total value
- $1.47B
- −$330.6M (−18.3%) vs. Q2 2023
- New holders
- 41
- 89 more added
- Sold out
- 28
- 93 more reduced
3 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| ProShare Advisors LLC | 8,979 | $412.9K | 0.00% | −69−0.8% | Reduced |
| Handelsbanken Fonder AB | 9,100 | $419.0K | 0.00% | 00.0% | Unchanged |
| Cornerstone Investment Partners, LLC | 9,145 | $420.6K | 0.03% | −668−6.8% | Reduced |
| Lazard Asset Management LLC | 9,187 | $422.0K | 0.00% | +2,491+37.2% | Added |
| Profund Advisors LLC | 9,350 | $430.0K | 0.02% | +3,132+50.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,436 | $434.0K | 0.00% | +1,582+20.1% | Added |
| New York Life Investment Management LLC | 9,480 | $436.0K | 0.00% | −1,510−13.7% | Reduced |
| Commonwealth Equity Services, LLC | 9,861 | $454.0K | 0.00% | +2,674+37.2% | Added |
| HRT Financial LP | 10,057 | $462.0K | 0.00% | +4,028+66.8% | Added |
| Glenmede Trust Co NA | 10,444 | $480.3K | 0.00% | −27−0.3% | Reduced |
| Nations Financial Group Inc, | 10,542 | $484.8K | 0.05% | +1,389+15.2% | Added |
| Teacher Retirement System of Texas | 10,967 | $504.0K | 0.00% | +507+4.8% | Added |
| State Board of Administration of Florida Retirement System | 10,963 | $504.2K | 0.00% | +180+1.7% | Added |
| Arizona State Retirement System | 10,996 | $505.7K | 0.00% | +167+1.5% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 11,000 | $506.0K | 0.00% | −2,200−16.7% | Reduced |
| Petrus Trust Company, LTA | 11,085 | $509.8K | 0.05% | +3,075+38.4% | Added |
| FORA Capital, LLC | 11,219 | $516.0K | 0.05% | +11,219 | New |
| Oregon Public Employees Retirement Fund | 11,317 | $520.5K | 0.01% | −400−3.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 11,691 | $538.0K | 0.01% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 11,413 | $548.0K | 0.01% | +168+1.5% | Added |
| Shariaportfolio, Inc. | 12,505 | $575.0K | 0.45% | +12,505 | New |
| Vestcor Inc | 13,211 | $608.0K | 0.02% | +3,640+38.0% | Added |
| Twinbeech Capital LP | 13,992 | $643.5K | 0.01% | +13,992 | New |
| Maryland State Retirement & Pension System | 14,036 | $645.5K | 0.01% | −634−4.3% | Reduced |
| Truist Financial Corp | 14,310 | $658.1K | 0.00% | −2,956−17.1% | Reduced |
| Advisory Research Inc | 14,890 | $684.8K | 0.10% | −517−3.4% | Reduced |
| Capital Impact Advisors, LLC | 15,304 | $703.8K | 1.18% | 00.0% | Unchanged |
| Comerica Bank | 16,150 | $742.7K | 0.00% | +16,150 | New |
| Occudo Quantitative Strategies LP | 16,543 | $760.8K | 0.10% | +16,543 | New |
| Jackson Creek Investment Advisors LLC | 16,620 | $764.0K | 0.32% | −10,138−37.9% | Reduced |
| Algert Global LLC | 16,820 | $773.6K | 0.04% | −34,560−67.3% | Reduced |
| Amalgamated Bank | 16,922 | $778.0K | 0.01% | −357−2.1% | Reduced |
| Envestnet Asset Management Inc | 16,925 | $778.4K | 0.00% | +7,468+79.0% | Added |
| Point72 Middle East FZE | 17,161 | $789.2K | 0.05% | +17,161 | New |
| Juncture Wealth Strategies, LLC | 17,711 | $814.5K | 0.40% | +1,795+11.3% | Added |
| Yousif Capital Management, LLC | 17,728 | $815.3K | 0.01% | −1,104−5.9% | Reduced |
| UBS Group AG | 18,372 | $844.9K | 0.00% | +3,524+23.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 18,381 | $845.3K | 0.00% | +57+0.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 18,427 | $847.5K | 0.00% | +18,427 | New |
| Empowered Funds, LLC | 18,445 | $848.3K | 0.03% | +926+5.3% | Added |
| STRS Ohio | 18,600 | $855.0K | 0.00% | +3,500+23.2% | Added |
| Louisiana State Employees Retirement System | 19,400 | $892.2K | 0.02% | −400−2.0% | Reduced |
| Manufacturers Life Insurance Company, The | 20,082 | $923.6K | 0.00% | +4,381+27.9% | Added |
| Voya Investment Management LLC | 20,127 | $925.6K | 0.00% | +130+0.7% | Added |
| CI Private Wealth, LLC | 20,342 | $935.5K | 0.00% | −30.0% | Reduced |
| MetLife Investment Management | 20,467 | $941.3K | 0.01% | 00.0% | Unchanged |
| LPL Financial LLC | 20,628 | $948.7K | 0.00% | +7,371+55.6% | Added |
| Shaker Investments LLC | 20,795 | $956.4K | 0.53% | −157−0.7% | Reduced |
| American International Group, Inc. | 20,849 | $958.8K | 0.01% | +468+2.3% | Added |
| DekaBank Deutsche Girozentrale | 20,848 | $975.0K | 0.00% | +4,048+24.1% | Added |
| Exchange Traded Concepts, LLC | 21,271 | $978.3K | 0.03% | −24,822−53.9% | Reduced |
| Deutsche Bank AG | 21,406 | $984.5K | 0.00% | +2,341+12.3% | Added |
| State of Tennessee, Treasury Department | 21,424 | $985.3K | 0.00% | −1,002−4.5% | Reduced |
| Zacks Investment Management | 21,975 | $1.01M | 0.01% | +1,289+6.2% | Added |
| Illinois Municipal Retirement Fund | 22,072 | $1.01M | 0.02% | +22,072 | New |
| Bridge City Capital, LLC | 22,659 | $1.04M | 0.53% | −155−0.7% | Reduced |
| Virginia Retirement Systems Et Al | 22,800 | $1.05M | 0.01% | −6,500−22.2% | Reduced |
| State of Alaska, Department of Revenue | 23,727 | $1.09M | 0.01% | −1,032−4.2% | Reduced |
| Barclays PLC | 23,793 | $1.09M | 0.00% | −6,464−21.4% | Reduced |
| Victory Capital Management Inc | 24,460 | $1.12M | 0.00% | −4,476−15.5% | Reduced |
| Tudor Investment Corp Et Al | 24,503 | $1.13M | 0.02% | +396+1.6% | Added |
| Lisanti Capital Growth, LLC | 25,175 | $1.16M | 0.18% | +25,175 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 25,477 | $1.17M | 0.01% | −17,086−40.1% | Reduced |
| SEI Investments Co | 26,556 | $1.22M | 0.00% | +20,370+329.3% | Added |
| Franklin Resources Inc | 26,750 | $1.23M | 0.00% | −836−3.0% | Reduced |
| FMR LLC | 26,822 | $1.23M | 0.00% | −3,394−11.2% | Reduced |
| D.A. Davidson & Co. | 26,829 | $1.23M | 0.01% | −3,058−10.2% | Reduced |
| Los Angeles Capital Management LLC | 27,443 | $1.26M | 0.01% | +358+1.3% | Added |
| New York State Teachers Retirement System | 27,541 | $1.27M | 0.00% | +70.0% | Added |
| Wells Fargo & Company | 28,223 | $1.30M | 0.00% | −8,269−22.7% | Reduced |
| Arrowstreet Capital, Limited Partnership | 28,230 | $1.30M | 0.00% | −869−3.0% | Reduced |
| Tucker Asset Management LLC | 28,950 | $1.33M | 0.36% | +1,148+4.1% | Added |
| AQR Capital Management LLC | 28,990 | $1.33M | 0.00% | −30,046−50.9% | Reduced |
| Susquehanna International Group, LLP | 29,325 | $1.35M | 0.00% | −5,612−16.1% | Reduced |
| Assetmark, Inc | 31,191 | $1.43M | 0.01% | +94+0.3% | Added |
| Texas Permanent School Fund | 32,364 | $1.49M | 0.01% | −789−2.4% | Reduced |
| Great West Life Assurance Co | 33,317 | $1.53M | 0.00% | +780+2.4% | Added |
| Summit Global Investments | 36,238 | $1.67M | 0.11% | +16,394+82.6% | Added |
| Quantedge Capital Pte Ltd | 36,389 | $1.67M | 0.91% | +5,300+17.0% | Added |
| Jump Financial, LLC | 37,276 | $1.71M | 0.06% | +37,276 | New |
| Eagle Asset Management Inc | 37,701 | $1.73M | 0.01% | −31,888−45.8% | Reduced |
| Monashee Investment Management LLC | 39,461 | $1.81M | 0.76% | +39,461 | New |
| Martingale Asset Management L P | 39,781 | $1.83M | 0.04% | −1,782−4.3% | Reduced |
| Walleye Capital LLC | 39,854 | $1.83M | 0.03% | +39,854 | New |
| Jane Street Group, LLC | 40,111 | $1.84M | 0.00% | +23,297+138.6% | Added |
| Citigroup Inc | 41,590 | $1.91M | 0.00% | +3,841+10.2% | Added |
| California State Teachers Retirement System | 42,523 | $1.96M | 0.00% | −4,041−8.7% | Reduced |
| State of Wisconsin Investment Board | 43,003 | $1.98M | 0.01% | +9,594+28.7% | Added |
| Prudential Financial Inc | 44,605 | $2.05M | 0.00% | −1,903−4.1% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 45,000 | $2.07M | 0.01% | +45,000 | New |
| Renaissance Group LLC | 45,496 | $2.09M | 0.10% | +887+2.0% | Added |
| State of New Jersey Common Pension Fund D | 45,960 | $2.11M | 0.01% | +45,960 | New |
| UBS Asset Management Americas Inc | 46,717 | $2.15M | 0.00% | +7,666+19.6% | Added |
| Public Sector Pension Investment Board | 47,100 | $2.17M | 0.02% | −19,736−29.5% | Reduced |
| New York State Common Retirement Fund | 48,327 | $2.22M | 0.00% | −14,789−23.4% | Reduced |
| SG Americas Securities, LLC | 50,727 | $2.33M | 0.03% | +50,727 | New |
| Credit Suisse AG | 51,487 | $2.37M | 0.00% | +302+0.6% | Added |
| Raymond James & Associates | 52,743 | $2.43M | 0.00% | −2,425−4.4% | Reduced |
| Clark Capital Management Group, Inc. | 58,005 | $2.67M | 0.03% | +23,373+67.5% | Added |
| AXA S.A. | 62,900 | $2.89M | 0.01% | −12,700−16.8% | Reduced |