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 2024
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Jun 30, 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
- 269
- 0 vs. Q1 2024
- Shares held
- 34.4M
- +857.8K (+2.6%) vs. Q1 2024
- Total value
- $1.37B
- −$96.0M (−6.5%) vs. Q1 2024
- New holders
- 38
- 100 more added
- Sold out
- 38
- 100 more reduced
2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2024
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Gallacher Capital Management LLC | 6,971 | $278.8K | 0.15% | +6,971 | New |
| Petrus Trust Company, LTA | 7,061 | $282.4K | 0.03% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 7,479 | $298.0K | 0.00% | −1,538−17.1% | Reduced |
| Pathstone Holdings, LLC | 7,452 | $298.1K | 0.00% | +1,845+32.9% | Added |
| Alps Advisors Inc | 7,889 | $315.6K | 0.00% | −39−0.5% | Reduced |
| Bank of Montreal | 7,654 | $315.6K | 0.00% | +8+0.1% | Added |
| Capstone Investment Advisors, LLC | 7,944 | $317.8K | 0.01% | +7,944 | New |
| Hennion & Walsh Asset Management, Inc. | 8,087 | $323.5K | 0.02% | −147−1.8% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,219 | $328.8K | 0.00% | +149+1.8% | Added |
| Cornerstone Investment Partners, LLC | 8,455 | $338.2K | 0.02% | −690−7.5% | Reduced |
| Tower Research Capital LLC (TRC) | 8,458 | $338.3K | 0.01% | +7,277+616.2% | Added |
| Profund Advisors LLC | 8,490 | $339.6K | 0.01% | −168−1.9% | Reduced |
| Teacher Retirement System of Texas | 8,583 | $343.0K | 0.00% | +54+0.6% | Added |
| Campbell & CO Investment Adviser LLC | 8,668 | $346.7K | 0.03% | −5,124−37.2% | Reduced |
| Man Group plc | 8,776 | $351.0K | 0.00% | +8,776 | New |
| ProShare Advisors LLC | 8,840 | $353.6K | 0.00% | −2,133−19.4% | Reduced |
| Royce & Associates LP | 9,076 | $363.0K | 0.00% | +9,076 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 9,100 | $364.0K | 0.00% | +9,100 | New |
| Oregon Public Employees Retirement Fund | 9,242 | $369.7K | 0.01% | −800−8.0% | Reduced |
| Cynosure Management, LLC | 9,276 | $371.0K | 0.06% | +2,022+27.9% | Added |
| UniSuper Management Pty Ltd | 9,331 | $373.2K | 0.00% | +2,600+38.6% | Added |
| Vestcor Inc | 9,383 | $375.0K | 0.01% | 00.0% | Unchanged |
| STRS Ohio | 9,700 | $388.0K | 0.00% | −7,400−43.3% | Reduced |
| Sanctuary Advisors, LLC | 9,439 | $388.0K | 0.00% | +9,439 | New |
| PDT Partners, LLC | 9,702 | $388.1K | 0.04% | +9,702 | New |
| First Trust Advisors LP | 9,710 | $388.4K | 0.00% | −57,376−85.5% | Reduced |
| Commonwealth Equity Services, LLC | 10,190 | $408.0K | 0.00% | −17−0.2% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 10,389 | $415.6K | 0.00% | +1,505+16.9% | Added |
| Guidance Capital, Inc | 9,770 | $425.2K | 0.14% | +1,353+16.1% | Added |
| Intech Investment Management LLC | 10,658 | $426.3K | 0.01% | +10,658 | New |
| State Board of Administration of Florida Retirement System | 10,913 | $436.5K | 0.00% | +5,290+94.1% | Added |
| Stephens Inc | 10,935 | $437.4K | 0.01% | +1,796+19.7% | Added |
| Arizona State Retirement System | 10,943 | $437.7K | 0.00% | +410+3.9% | Added |
| Invst, LLC | 11,638 | $448.2K | 0.05% | +5,857+101.3% | Added |
| Juncture Wealth Strategies, LLC | 11,220 | $448.8K | 0.19% | −340−2.9% | Reduced |
| Crossmark Global Holdings, Inc. | 11,300 | $452.0K | 0.01% | +275+2.5% | Added |
| Cim, LLC | 10,016 | $454.9K | 0.07% | +701+7.5% | Added |
| Amalgamated Bank | 11,481 | $459.0K | 0.00% | −137−1.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 11,691 | $467.0K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 11,750 | $470.0K | 0.00% | +5,521+88.6% | Added |
| Cambridge Investment Research Advisors, Inc. | 11,870 | $475.0K | 0.00% | +11,870 | New |
| Yousif Capital Management, LLC | 12,182 | $487.3K | 0.01% | −1,525−11.1% | Reduced |
| Quantbot Technologies LP | 12,430 | $497.2K | 0.02% | +1,482+13.5% | Added |
| Maryland State Retirement & Pension System | 13,299 | $532.0K | 0.01% | −282−2.1% | Reduced |
| Comerica Bank | 13,393 | $535.7K | 0.00% | −2,198−14.1% | Reduced |
| Advisory Research Inc | 14,270 | $570.8K | 0.11% | +941+7.1% | Added |
| US Bancorp | 14,354 | $574.2K | 0.00% | −2,702−15.8% | Reduced |
| Truist Financial Corp | 14,485 | $579.4K | 0.00% | −895−5.8% | Reduced |
| Legato Capital Management LLC | 14,810 | $592.4K | 0.08% | +4,303+41.0% | Added |
| Sherbrooke Park Advisers LLC | 15,147 | $605.9K | 0.11% | +5,423+55.8% | Added |
| CI Private Wealth, LLC | 15,337 | $613.5K | 0.00% | −61−0.4% | Reduced |
| Glenmede Trust Co NA | 15,445 | $617.8K | 0.00% | −1,591−9.3% | Reduced |
| Dynamic Technology Lab Private Ltd | 15,906 | $636.0K | 0.07% | −1,783−10.1% | Reduced |
| Capital Impact Advisors, LLC | 16,425 | $657.0K | 1.85% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 16,900 | $676.0K | 0.00% | +2,800+19.9% | Added |
| Susquehanna International Group, LLP | 17,693 | $707.7K | 0.00% | −3,715−17.4% | Reduced |
| Deutsche Bank AG | 18,145 | $725.8K | 0.00% | −2,630−12.7% | Reduced |
| Shaker Investments LLC | 18,545 | $741.8K | 0.32% | −30,645−62.3% | Reduced |
| Louisiana State Employees Retirement System | 19,200 | $768.0K | 0.01% | +700+3.8% | Added |
| Tudor Investment Corp Et Al | 19,427 | $777.1K | 0.01% | +19,427 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 19,524 | $781.0K | 0.00% | +19,524 | New |
| State of Tennessee, Treasury Department | 19,614 | $784.6K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 20,767 | $830.7K | 0.00% | −23,835−53.4% | Reduced |
| DekaBank Deutsche Girozentrale | 20,848 | $832.0K | 0.00% | 00.0% | Unchanged |
| Illinois Municipal Retirement Fund | 21,295 | $851.8K | 0.01% | −70−0.3% | Reduced |
| Winton Group Ltd | 22,234 | $889.4K | 0.06% | +1,653+8.0% | Added |
| Manufacturers Life Insurance Company, The | 22,246 | $889.8K | 0.00% | +954+4.5% | Added |
| Corebridge Financial, Inc. | 22,303 | $892.1K | 0.00% | +22,303 | New |
| State of Alaska, Department of Revenue | 22,395 | $895.0K | 0.01% | −369−1.6% | Reduced |
| MetLife Investment Management | 22,607 | $904.3K | 0.01% | +3,090+15.8% | Added |
| Centiva Capital, LP | 23,575 | $943.0K | 0.05% | +23,575 | New |
| AlphaCentric Advisors LLC | 25,000 | $1.00M | 0.74% | +25,000 | New |
| Envestnet Asset Management Inc | 25,360 | $1.01M | 0.00% | +1,563+6.6% | Added |
| Arkadios Wealth Advisors | 25,755 | $1.03M | 0.07% | +25,755 | New |
| Advisor OS, LLC | 26,012 | $1.04M | 0.11% | −927−3.4% | Reduced |
| SEI Investments Co | 26,543 | $1.06M | 0.00% | −4,087−13.3% | Reduced |
| Redwood Investments, LLC | 26,769 | $1.06M | 0.36% | −8,287−23.6% | Reduced |
| Gotham Asset Management, LLC | 27,675 | $1.11M | 0.01% | −1,206−4.2% | Reduced |
| FMR LLC | 27,752 | $1.11M | 0.00% | +6,866+32.9% | Added |
| New York State Teachers Retirement System | 27,980 | $1.12M | 0.00% | −2,875−9.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 28,616 | $1.14M | 0.00% | −166,369−85.3% | Reduced |
| Franklin Resources Inc | 28,640 | $1.15M | 0.00% | +2,970+11.6% | Added |
| State of Wisconsin Investment Board | 31,296 | $1.25M | 0.00% | −46,532−59.8% | Reduced |
| Thrivent Financial for Lutherans | 31,665 | $1.27M | 0.00% | −752−2.3% | Reduced |
| Royal Bank of Canada | 33,184 | $1.33M | 0.00% | +21,045+173.4% | Added |
| Citigroup Inc | 34,995 | $1.40M | 0.00% | +47+0.1% | Added |
| Engineers Gate Manager LP | 35,695 | $1.43M | 0.03% | +10,250+40.3% | Added |
| California State Teachers Retirement System | 38,117 | $1.52M | 0.00% | −152−0.4% | Reduced |
| Martingale Asset Management L P | 39,265 | $1.57M | 0.03% | −80.0% | Reduced |
| Assetmark, Inc | 40,256 | $1.61M | 0.00% | +4,479+12.5% | Added |
| Allspring Global Investments Holdings, LLC | 40,946 | $1.64M | 0.00% | −23,618−36.6% | Reduced |
| Prudential Financial Inc | 41,425 | $1.66M | 0.00% | −559−1.3% | Reduced |
| Twinbeech Capital LP | 45,224 | $1.81M | 0.04% | −71,845−61.4% | Reduced |
| Barclays PLC | 48,578 | $1.94M | 0.00% | −22,254−31.4% | Reduced |
| Bridge City Capital, LLC | 48,946 | $1.96M | 0.66% | +14,173+40.8% | Added |
| Great West Life Assurance Co | 49,122 | $1.97M | 0.00% | +9,192+23.0% | Added |
| Alliancebernstein L.P. | 49,770 | $1.99M | 0.00% | +2,530+5.4% | Added |
| ExodusPoint Capital Management, LP | 51,315 | $2.05M | 0.02% | −3,216−5.9% | Reduced |
| Aurora Investment Counsel | 54,466 | $2.18M | 1.28% | +54,466 | New |
| Cubist Systematic Strategies, LLC | 55,107 | $2.20M | 0.04% | −65−0.1% | Reduced |