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 2023
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Jun 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
- 246
- +28 vs. Q1 2023
- Shares held
- 31.4M
- +1.20M (+4.0%) vs. Q1 2023
- Total value
- $1.80B
- +$671.1M (+59.2%) vs. Q1 2023
- New holders
- 50
- 80 more added
- Sold out
- 22
- 90 more reduced
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cim, LLC | 9,156 | $526.2K | 0.10% | +2,804+44.1% | Added |
| Envestnet Asset Management Inc | 9,457 | $543.5K | 0.00% | +380+4.2% | Added |
| Vestcor Inc | 9,571 | $550.0K | 0.02% | −4,784−33.3% | Reduced |
| Cornerstone Investment Partners, LLC | 9,813 | $564.0K | 0.03% | 00.0% | Unchanged |
| Winton Group Ltd | 9,859 | $566.6K | 0.05% | −15,928−61.8% | Reduced |
| Trexquant Investment LP | 10,239 | $588.4K | 0.02% | −46,265−81.9% | Reduced |
| Teacher Retirement System of Texas | 10,460 | $601.0K | 0.00% | −1,451−12.2% | Reduced |
| Advisor Group Holdings, Inc. | 10,656 | $612.2K | 0.00% | +8,912+511.0% | Added |
| State Board of Administration of Florida Retirement System | 10,783 | $619.7K | 0.00% | +5,160+91.8% | Added |
| Arizona State Retirement System | 10,829 | $622.3K | 0.01% | −374−3.3% | Reduced |
| GWM Advisors LLC | 10,895 | $626.1K | 0.01% | −5,891−35.1% | Reduced |
| J.W. Cole Advisors, Inc. | 10,922 | $627.7K | 0.04% | +10,922 | New |
| New York Life Investment Management LLC | 10,990 | $631.6K | 0.01% | −1,591−12.6% | Reduced |
| Shell Asset Management Co | 11,035 | $634.0K | 0.03% | −63−0.6% | Reduced |
| Centiva Capital, LP | 11,189 | $643.0K | 0.03% | +5,845+109.4% | Added |
| Teachers Retirement System of the State of Kentucky | 11,691 | $672.0K | 0.01% | +670+6.1% | Added |
| Oregon Public Employees Retirement Fund | 11,717 | $673.4K | 0.01% | −400−3.3% | Reduced |
| HighTower Advisors, LLC | 11,936 | $682.0K | 0.00% | −106−0.9% | Reduced |
| Crossmark Global Holdings, Inc. | 11,245 | $684.0K | 0.01% | −259−2.3% | Reduced |
| Assenagon Asset Management S.A. | 12,123 | $696.7K | 0.00% | −156,933−92.8% | Reduced |
| Allianz Asset Management GmbH | 12,800 | $735.6K | 0.00% | −20,800−61.9% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 13,200 | $759.0K | 0.00% | +13,200 | New |
| LPL Financial LLC | 13,257 | $761.9K | 0.00% | +44+0.3% | Added |
| Maryland State Retirement & Pension System | 14,670 | $843.1K | 0.02% | −511−3.4% | Reduced |
| UBS Group AG | 14,848 | $853.3K | 0.00% | −8,142−35.4% | Reduced |
| STRS Ohio | 15,100 | $867.0K | 0.00% | +15,100 | New |
| Capital Impact Advisors, LLC | 15,304 | $879.5K | 0.97% | 00.0% | Unchanged |
| Advisory Research Inc | 15,407 | $885.4K | 0.11% | +628+4.2% | Added |
| Manufacturers Life Insurance Company, The | 15,701 | $902.3K | 0.00% | +141+0.9% | Added |
| Juncture Wealth Strategies, LLC | 15,916 | $914.7K | 0.43% | −5,537−25.8% | Reduced |
| DekaBank Deutsche Girozentrale | 16,800 | $944.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 16,814 | $966.3K | 0.00% | −11,529−40.7% | Reduced |
| Truist Financial Corp | 17,266 | $992.3K | 0.00% | −16,138−48.3% | Reduced |
| Amalgamated Bank | 17,279 | $993.0K | 0.01% | +58+0.3% | Added |
| Empowered Funds, LLC | 17,519 | $1.01M | 0.04% | +17,519 | New |
| EA Series Trust | 17,519 | $1.01M | 0.04% | +17,519 | New |
| Mirae Asset Global Investments Co., Ltd. | 18,324 | $1.05M | 0.00% | +640+3.6% | Added |
| Yousif Capital Management, LLC | 18,832 | $1.08M | 0.01% | −1,595−7.8% | Reduced |
| Deutsche Bank AG | 19,065 | $1.10M | 0.00% | −9,625−33.5% | Reduced |
| ExodusPoint Capital Management, LP | 19,381 | $1.11M | 0.01% | +19,381 | New |
| Spire Wealth Management | 19,523 | $1.12M | 0.04% | +19,523 | New |
| Louisiana State Employees Retirement System | 19,800 | $1.14M | 0.03% | +2,200+12.5% | Added |
| Summit Global Investments | 19,844 | $1.14M | 0.08% | −17,456−46.8% | Reduced |
| Voya Investment Management LLC | 19,997 | $1.15M | 0.00% | +301+1.5% | Added |
| CI Private Wealth, LLC | 20,345 | $1.17M | 0.00% | +641+3.3% | Added |
| American International Group, Inc. | 20,381 | $1.17M | 0.01% | −489−2.3% | Reduced |
| MetLife Investment Management | 20,467 | $1.18M | 0.01% | 00.0% | Unchanged |
| Zacks Investment Management | 20,686 | $1.19M | 0.01% | +20,686 | New |
| Shaker Investments LLC | 20,952 | $1.20M | 0.61% | −61,301−74.5% | Reduced |
| State of Tennessee, Treasury Department | 22,426 | $1.29M | 0.01% | +1,680+8.1% | Added |
| Bridge City Capital, LLC | 22,814 | $1.31M | 0.62% | +22,814 | New |
| Tudor Investment Corp Et Al | 24,107 | $1.39M | 0.02% | +8,097+50.6% | Added |
| State of Alaska, Department of Revenue | 24,759 | $1.42M | 0.02% | −1,056−4.1% | Reduced |
| Royal Bank of Canada | 25,449 | $1.46M | 0.00% | +21,460+538.0% | Added |
| UBS Asset Management Americas Inc | 39,051 | $1.46M | 0.00% | 00.0% | Unchanged |
| Jackson Creek Investment Advisors LLC | 26,758 | $1.54M | 0.61% | +881+3.4% | Added |
| Roman Butler Fullerton & Co | 24,710 | $1.54M | 0.71% | +24,710 | New |
| Los Angeles Capital Management LLC | 27,085 | $1.56M | 0.01% | +610+2.3% | Added |
| New York State Teachers Retirement System | 27,534 | $1.58M | 0.00% | +1,360+5.2% | Added |
| Franklin Resources Inc | 27,586 | $1.59M | 0.00% | +18,053+189.4% | Added |
| Tucker Asset Management LLC | 27,802 | $1.60M | 0.46% | −3,870−12.2% | Reduced |
| Victory Capital Management Inc | 28,936 | $1.66M | 0.00% | −14,802−33.8% | Reduced |
| Arrowstreet Capital, Limited Partnership | 29,099 | $1.67M | 0.00% | −45,175−60.8% | Reduced |
| Virginia Retirement Systems Et Al | 29,300 | $1.68M | 0.02% | +2,400+8.9% | Added |
| D.A. Davidson & Co. | 29,887 | $1.72M | 0.02% | −15,187−33.7% | Reduced |
| Two Sigma Investments, LP | 30,010 | $1.72M | 0.00% | +30,010 | New |
| FMR LLC | 30,216 | $1.74M | 0.00% | +61+0.2% | Added |
| Barclays PLC | 30,257 | $1.74M | 0.00% | −11,057−26.8% | Reduced |
| Quantedge Capital Pte Ltd | 31,089 | $1.79M | 0.79% | +24,700+386.6% | Added |
| Assetmark, Inc | 31,097 | $1.79M | 0.01% | +1,424+4.8% | Added |
| Great West Life Assurance Co | 32,537 | $1.87M | 0.00% | −2,953−8.3% | Reduced |
| Texas Permanent School Fund | 33,153 | $1.91M | 0.02% | −655−1.9% | Reduced |
| State of Wisconsin Investment Board | 33,409 | $1.92M | 0.01% | −1,830−5.2% | Reduced |
| Clark Capital Management Group, Inc. | 34,632 | $1.99M | 0.02% | +34,632 | New |
| Susquehanna International Group, LLP | 34,937 | $2.01M | 0.00% | −7,440−17.6% | Reduced |
| Wells Fargo & Company | 36,492 | $2.10M | 0.00% | +19,401+113.5% | Added |
| Russell Investments Group, Ltd. | 36,704 | $2.11M | 0.00% | +488+1.3% | Added |
| Citigroup Inc | 37,749 | $2.17M | 0.00% | +13,000+52.5% | Added |
| Martingale Asset Management L P | 41,563 | $2.39M | 0.05% | −605−1.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 42,563 | $2.45M | 0.02% | +2,647+6.6% | Added |
| Renaissance Group LLC | 44,609 | $2.56M | 0.11% | −2,250−4.8% | Reduced |
| Exchange Traded Concepts, LLC | 46,093 | $2.65M | 0.07% | −490−1.1% | Reduced |
| Prudential Financial Inc | 46,508 | $2.67M | 0.00% | +9,391+25.3% | Added |
| California State Teachers Retirement System | 46,564 | $2.68M | 0.00% | −1,652−3.4% | Reduced |
| Alliancebernstein L.P. | 50,080 | $2.88M | 0.00% | +5,183+11.5% | Added |
| Credit Suisse AG | 51,185 | $2.94M | 0.00% | −6,771−11.7% | Reduced |
| Algert Global LLC | 51,380 | $2.95M | 0.13% | +21,060+69.5% | Added |
| Raymond James & Associates | 55,168 | $3.17M | 0.00% | +31,607+134.1% | Added |
| AQR Capital Management LLC | 59,036 | $3.39M | 0.01% | −51,851−46.8% | Reduced |
| New York State Common Retirement Fund | 63,116 | $3.63M | 0.00% | +3,330+5.6% | Added |
| Penserra Capital Management LLC | 64,291 | $3.69M | 0.07% | +64,291 | New |
| Public Sector Pension Investment Board | 66,836 | $3.84M | 0.03% | +534+0.8% | Added |
| BNP Paribas Arbitrage, SA | 67,372 | $3.87M | 0.01% | +35,574+111.9% | Added |
| Eagle Asset Management Inc | 69,589 | $4.00M | 0.02% | −237,181−77.3% | Reduced |
| Squarepoint Ops LLC | 69,628 | $4.00M | 0.02% | +58,372+518.6% | Added |
| Two Sigma Advisers, LP | 72,600 | $4.17M | 0.01% | +13,500+22.8% | Added |
| AXA S.A. | 75,600 | $4.34M | 0.01% | −76,255−50.2% | Reduced |
| JPMorgan Chase & Co | 83,848 | $4.82M | 0.00% | −33,919−28.8% | Reduced |
| Swiss National Bank | 84,000 | $4.83M | 0.00% | +600+0.7% | Added |
| Thrivent Financial for Lutherans | 88,131 | $5.07M | 0.01% | +50,772+135.9% | Added |