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 2023
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Mar 31, 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
- 218
- +6 vs. Q4 2022
- Shares held
- 30.2M
- +1.08M (+3.7%) vs. Q4 2022
- Total value
- $1.13B
- +$316.8M (+38.8%) vs. Q4 2022
- New holders
- 32
- 76 more added
- Sold out
- 26
- 82 more reduced
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royce & Associates LP | 22,315 | $836.8K | 0.01% | +22,315 | New |
| Gsa Capital Partners LLP | 21,852 | $819.0K | 0.08% | +21,852 | New |
| Juncture Wealth Strategies, LLC | 21,453 | $804.5K | 0.40% | +9,148+74.3% | Added |
| Alberta Investment Management Corp | 20,982 | $786.8K | 0.01% | 00.0% | Unchanged |
| American International Group, Inc. | 20,870 | $782.6K | 0.01% | +98+0.5% | Added |
| State of Tennessee, Treasury Department | 20,746 | $778.0K | 0.00% | −5,893−22.1% | Reduced |
| MetLife Investment Management | 20,467 | $767.5K | 0.01% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 20,427 | $766.0K | 0.01% | −3,220−13.6% | Reduced |
| Panagora Asset Management Inc | 19,785 | $741.9K | 0.00% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 19,704 | $738.9K | 0.00% | +7,104+56.4% | Added |
| Voya Investment Management LLC | 19,696 | $738.6K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 17,684 | $663.1K | 0.00% | −31−0.2% | Reduced |
| Louisiana State Employees Retirement System | 17,600 | $660.0K | 0.02% | −300−1.7% | Reduced |
| Amalgamated Bank | 17,221 | $646.0K | 0.01% | −1,188−6.5% | Reduced |
| Wells Fargo & Company | 17,091 | $640.9K | 0.00% | +13,577+386.4% | Added |
| SG Americas Securities, LLC | 16,870 | $633.0K | 0.01% | +6,282+59.3% | Added |
| GWM Advisors LLC | 16,786 | $629.5K | 0.01% | +16,775+152,500.0% | Added |
| DekaBank Deutsche Girozentrale | 16,800 | $624.0K | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 16,010 | $600.0K | 0.01% | +16,010 | New |
| Manufacturers Life Insurance Company, The | 15,560 | $583.5K | 0.00% | +69+0.4% | Added |
| Capital Impact Advisors, LLC | 15,304 | $573.9K | 0.70% | +635+4.3% | Added |
| Maryland State Retirement & Pension System | 15,181 | $569.3K | 0.01% | −337−2.2% | Reduced |
| Advisory Research Inc | 14,779 | $554.2K | 0.09% | +14,779 | New |
| SEI Investments Co | 14,422 | $540.8K | 0.00% | +14,422 | New |
| Vestcor Inc | 14,355 | $538.0K | 0.02% | 00.0% | Unchanged |
| Versor Investments LP | 14,302 | $536.3K | 0.07% | −1,498−9.5% | Reduced |
| LPL Financial LLC | 13,213 | $495.5K | 0.00% | +13,213 | New |
| Engineers Gate Manager LP | 12,826 | $481.0K | 0.02% | −3,447−21.2% | Reduced |
| New York Life Investment Management LLC | 12,581 | $471.8K | 0.01% | −3,180−20.2% | Reduced |
| HighTower Advisors, LLC | 12,042 | $459.0K | 0.00% | +1,983+19.7% | Added |
| Oregon Public Employees Retirement Fund | 12,117 | $454.4K | 0.01% | −430−3.4% | Reduced |
| Teacher Retirement System of Texas | 11,911 | $447.0K | 0.00% | −27,583−69.8% | Reduced |
| Guggenheim Capital LLC | 11,866 | $445.0K | 0.00% | −6,303−34.7% | Reduced |
| Crossmark Global Holdings, Inc. | 11,504 | $432.0K | 0.01% | −107−0.9% | Reduced |
| Squarepoint Ops LLC | 11,256 | $422.1K | 0.00% | −4,197−27.2% | Reduced |
| Public Employees Retirement Association of Colorado | 11,238 | $421.0K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 11,203 | $420.1K | 0.00% | +139+1.3% | Added |
| Shell Asset Management Co | 11,098 | $416.0K | 0.02% | −39−0.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 11,021 | $413.0K | 0.00% | 00.0% | Unchanged |
| Glenmede Trust Co NA | 10,471 | $392.7K | 0.00% | −29−0.3% | Reduced |
| Ergoteles LLC | 10,024 | $375.9K | 0.01% | +10,024 | New |
| Cornerstone Investment Partners, LLC | 9,813 | $368.0K | 0.02% | −1,487−13.2% | Reduced |
| Franklin Resources Inc | 9,533 | $357.5K | 0.00% | −59−0.6% | Reduced |
| Nations Financial Group Inc, | 9,273 | $347.7K | 0.04% | +9,273 | New |
| Envestnet Asset Management Inc | 9,077 | $340.4K | 0.00% | +9,077 | New |
| Handelsbanken Fonder AB | 9,000 | $338.0K | 0.00% | +9,000 | New |
| Bank of Montreal | 8,738 | $333.5K | 0.00% | +1,324+17.9% | Added |
| ProShare Advisors LLC | 8,887 | $333.3K | 0.00% | −1,136−11.3% | Reduced |
| Veriti Management LLC | 8,865 | $332.4K | 0.04% | −395−4.3% | Reduced |
| Alps Advisors Inc | 8,826 | $331.0K | 0.00% | −2,075−19.0% | Reduced |
| Gotham Asset Management, LLC | 8,497 | $318.6K | 0.01% | −11,765−58.1% | Reduced |
| Perigon Wealth Management, LLC | 8,050 | $301.9K | 0.02% | +200+2.5% | Added |
| Aigen Investment Management, LP | 7,799 | $292.5K | 0.04% | +7,799 | New |
| Hennion & Walsh Asset Management, Inc. | 6,982 | $262.0K | 0.02% | +6,982 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,803 | $255.1K | 0.00% | −1,028−13.1% | Reduced |
| Watershed Asset Management, L.L.C. | 6,723 | $252.1K | 0.31% | −2,832−29.6% | Reduced |
| TD Asset Management Inc | 6,500 | $243.8K | 0.00% | +6,500 | New |
| Everence Capital Management Inc | 6,470 | $243.0K | 0.02% | +6,470 | New |
| Bailard, Inc. | 6,400 | $240.0K | 0.01% | +6,400 | New |
| Quantedge Capital Pte Ltd | 6,389 | $239.6K | 0.09% | −28,764−81.8% | Reduced |
| Cim, LLC | 6,352 | $238.2K | 0.05% | −149−2.3% | Reduced |
| Aquatic Capital Management LLC | 5,700 | $214.0K | 0.01% | +5,700 | New |
| State Board of Administration of Florida Retirement System | 5,623 | $210.9K | 0.00% | +5,623 | New |
| Amundi | 5,404 | $210.4K | 0.00% | +5,404 | New |
| Dakota Wealth Management | 5,426 | $203.5K | 0.01% | +5,426 | New |
| Centiva Capital, LP | 5,344 | $200.4K | 0.01% | +5,344 | New |
| Lazard Asset Management LLC | 4,059 | $152.0K | 0.00% | −1,974−32.7% | Reduced |
| Royal Bank of Canada | 3,989 | $149.0K | 0.00% | −4,777−54.5% | Reduced |
| US Bancorp | 3,358 | $125.9K | 0.00% | +58+1.8% | Added |
| KBC Group NV | 3,178 | $119.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,073 | $115.2K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 2,280 | $85.5K | 0.00% | −96−4.0% | Reduced |
| Metropolitan Life Insurance Co | 2,074 | $77.8K | 0.00% | −193−8.5% | Reduced |
| Tower Research Capital LLC (TRC) | 1,998 | $75.0K | 0.00% | +1,347+206.9% | Added |
| Advisor Group Holdings, Inc. | 1,744 | $65.4K | 0.00% | +42+2.5% | Added |
| Allworth Financial LP | 1,414 | $53.0K | 0.00% | +31+2.2% | Added |
| Nisa Investment Advisors, LLC | 1,130 | $42.0K | 0.00% | 00.0% | Unchanged |
| Pinnacle Financial Partners Inc | 1,000 | $37.5K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 995 | $37.3K | 0.01% | −2,840−74.1% | Reduced |
| Proequities, Inc. | 829 | $31.1K | 0.00% | −54−6.1% | Reduced |
| Quadrant Capital Group LLC | 812 | $30.4K | 0.00% | +511+169.8% | Added |
| China Universal Asset Management Co., Ltd. | 655 | $24.6K | 0.01% | +164+33.4% | Added |
| Fifth Third Bancorp | 634 | $23.8K | 0.00% | +59+10.3% | Added |
| TD Private Client Wealth LLC | 608 | $22.8K | 0.00% | +119+24.3% | Added |
| CWM, LLC | 511 | $19.0K | 0.00% | −65−11.3% | Reduced |
| Versant Capital Management, Inc | 456 | $17.1K | 0.01% | −18−3.8% | Reduced |
| Signaturefd, LLC | 453 | $17.0K | 0.00% | −26−5.4% | Reduced |
| Huntington National Bank | 429 | $16.1K | 0.00% | −23−5.1% | Reduced |
| Ronald Blue Trust, Inc. | 523 | $15.0K | 0.00% | −88−14.4% | Reduced |
| TCI Wealth Advisors, Inc. | 379 | $14.2K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 270 | $10.1K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 212 | $7.95K | 0.00% | +23+12.2% | Added |
| Daiwa Securities Group Inc. | 194 | $7.00K | 0.00% | 00.0% | Unchanged |
| Asset Management One Co.,Ltd. | 151 | $5.66K | 0.00% | −235−60.9% | Reduced |
| Kelly Financial Services LLC | 150 | $5.63K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 138 | $5.00K | 0.00% | +24+21.1% | Added |
| City State Bank | 100 | $4.00K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 105 | $3.94K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 100 | $3.75K | 0.00% | +100 | New |
| Advisory Services Network, LLC | 100 | $3.75K | 0.00% | +100 | New |