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 |
|---|---|---|---|---|---|
| Steward Financial Group LLC | 6 | $0 | 0.00% | +5+500.0% | Added |
| AdvisorNet Financial, Inc | 1 | $38 | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 1 | $38 | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 2 | $75 | 0.00% | −2−50.0% | Reduced |
| Disciplined Investments, LLC | 2 | $75 | 0.00% | 00.0% | Unchanged |
| Schubert & Co | 3 | $113 | 0.00% | +2+200.0% | Added |
| Global Retirement Partners, LLC | 11 | $399 | 0.00% | 00.0% | Unchanged |
| Financial Synergies Wealth Advisors, Inc. | 15 | $563 | 0.00% | 00.0% | Unchanged |
| Belpointe Asset Management LLC | 15 | $563 | 0.00% | +15 | New |
| Bell Investment Advisors, Inc | 15 | $563 | 0.00% | +15 | New |
| Farmers & Merchants Investments Inc | 28 | $1.05K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 45 | $2.00K | 0.00% | +26+136.8% | Added |
| Lindbrook Capital, LLC | 54 | $2.02K | 0.00% | +12+28.6% | Added |
| Farther Finance Advisors, LLC | 70 | $2.63K | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 90 | $3.00K | 0.00% | +15+20.0% | Added |
| Glassman Wealth Services | 92 | $3.45K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 95 | $3.56K | 0.00% | +82+630.8% | Added |
| Massmutual Trust Co FSB | 97 | $3.64K | 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 |
| Clearstead Advisors, LLC | 105 | $3.94K | 0.00% | 00.0% | Unchanged |
| City State Bank | 100 | $4.00K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 138 | $5.00K | 0.00% | +24+21.1% | Added |
| Kelly Financial Services LLC | 150 | $5.63K | 0.00% | 00.0% | Unchanged |
| Asset Management One Co.,Ltd. | 151 | $5.66K | 0.00% | −235−60.9% | Reduced |
| Daiwa Securities Group Inc. | 194 | $7.00K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 212 | $7.95K | 0.00% | +23+12.2% | Added |
| Harbour Investments, Inc. | 270 | $10.1K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 379 | $14.2K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 523 | $15.0K | 0.00% | −88−14.4% | Reduced |
| Huntington National Bank | 429 | $16.1K | 0.00% | −23−5.1% | Reduced |
| Signaturefd, LLC | 453 | $17.0K | 0.00% | −26−5.4% | Reduced |
| Versant Capital Management, Inc | 456 | $17.1K | 0.01% | −18−3.8% | Reduced |
| CWM, LLC | 511 | $19.0K | 0.00% | −65−11.3% | Reduced |
| TD Private Client Wealth LLC | 608 | $22.8K | 0.00% | +119+24.3% | Added |
| Fifth Third Bancorp | 634 | $23.8K | 0.00% | +59+10.3% | Added |
| China Universal Asset Management Co., Ltd. | 655 | $24.6K | 0.01% | +164+33.4% | Added |
| Quadrant Capital Group LLC | 812 | $30.4K | 0.00% | +511+169.8% | Added |
| Proequities, Inc. | 829 | $31.1K | 0.00% | −54−6.1% | Reduced |
| State of Wyoming | 995 | $37.3K | 0.01% | −2,840−74.1% | Reduced |
| Pinnacle Financial Partners Inc | 1,000 | $37.5K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,130 | $42.0K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 1,414 | $53.0K | 0.00% | +31+2.2% | Added |
| Advisor Group Holdings, Inc. | 1,744 | $65.4K | 0.00% | +42+2.5% | Added |
| Tower Research Capital LLC (TRC) | 1,998 | $75.0K | 0.00% | +1,347+206.9% | Added |
| Metropolitan Life Insurance Co | 2,074 | $77.8K | 0.00% | −193−8.5% | Reduced |
| The PNC Financial Services Group, Inc. | 2,280 | $85.5K | 0.00% | −96−4.0% | Reduced |
| Ameritas Investment Partners, Inc. | 3,073 | $115.2K | 0.00% | 00.0% | Unchanged |
| KBC Group NV | 3,178 | $119.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 3,358 | $125.9K | 0.00% | +58+1.8% | Added |
| Royal Bank of Canada | 3,989 | $149.0K | 0.00% | −4,777−54.5% | Reduced |
| Lazard Asset Management LLC | 4,059 | $152.0K | 0.00% | −1,974−32.7% | Reduced |
| Centiva Capital, LP | 5,344 | $200.4K | 0.01% | +5,344 | New |
| Dakota Wealth Management | 5,426 | $203.5K | 0.01% | +5,426 | New |
| Amundi | 5,404 | $210.4K | 0.00% | +5,404 | New |
| State Board of Administration of Florida Retirement System | 5,623 | $210.9K | 0.00% | +5,623 | New |
| Aquatic Capital Management LLC | 5,700 | $214.0K | 0.01% | +5,700 | New |
| Cim, LLC | 6,352 | $238.2K | 0.05% | −149−2.3% | Reduced |
| Quantedge Capital Pte Ltd | 6,389 | $239.6K | 0.09% | −28,764−81.8% | Reduced |
| Bailard, Inc. | 6,400 | $240.0K | 0.01% | +6,400 | New |
| Everence Capital Management Inc | 6,470 | $243.0K | 0.02% | +6,470 | New |
| TD Asset Management Inc | 6,500 | $243.8K | 0.00% | +6,500 | New |
| Watershed Asset Management, L.L.C. | 6,723 | $252.1K | 0.31% | −2,832−29.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,803 | $255.1K | 0.00% | −1,028−13.1% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 6,982 | $262.0K | 0.02% | +6,982 | New |
| Aigen Investment Management, LP | 7,799 | $292.5K | 0.04% | +7,799 | New |
| Perigon Wealth Management, LLC | 8,050 | $301.9K | 0.02% | +200+2.5% | Added |
| Gotham Asset Management, LLC | 8,497 | $318.6K | 0.01% | −11,765−58.1% | Reduced |
| Alps Advisors Inc | 8,826 | $331.0K | 0.00% | −2,075−19.0% | Reduced |
| Veriti Management LLC | 8,865 | $332.4K | 0.04% | −395−4.3% | Reduced |
| ProShare Advisors LLC | 8,887 | $333.3K | 0.00% | −1,136−11.3% | Reduced |
| Bank of Montreal | 8,738 | $333.5K | 0.00% | +1,324+17.9% | Added |
| Handelsbanken Fonder AB | 9,000 | $338.0K | 0.00% | +9,000 | New |
| Envestnet Asset Management Inc | 9,077 | $340.4K | 0.00% | +9,077 | New |
| Nations Financial Group Inc, | 9,273 | $347.7K | 0.04% | +9,273 | New |
| Franklin Resources Inc | 9,533 | $357.5K | 0.00% | −59−0.6% | Reduced |
| Cornerstone Investment Partners, LLC | 9,813 | $368.0K | 0.02% | −1,487−13.2% | Reduced |
| Ergoteles LLC | 10,024 | $375.9K | 0.01% | +10,024 | New |
| Glenmede Trust Co NA | 10,471 | $392.7K | 0.00% | −29−0.3% | Reduced |
| Teachers Retirement System of the State of Kentucky | 11,021 | $413.0K | 0.00% | 00.0% | Unchanged |
| Shell Asset Management Co | 11,098 | $416.0K | 0.02% | −39−0.4% | Reduced |
| Arizona State Retirement System | 11,203 | $420.1K | 0.00% | +139+1.3% | Added |
| Public Employees Retirement Association of Colorado | 11,238 | $421.0K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 11,256 | $422.1K | 0.00% | −4,197−27.2% | Reduced |
| Crossmark Global Holdings, Inc. | 11,504 | $432.0K | 0.01% | −107−0.9% | Reduced |
| Guggenheim Capital LLC | 11,866 | $445.0K | 0.00% | −6,303−34.7% | Reduced |
| Teacher Retirement System of Texas | 11,911 | $447.0K | 0.00% | −27,583−69.8% | Reduced |
| Oregon Public Employees Retirement Fund | 12,117 | $454.4K | 0.01% | −430−3.4% | Reduced |
| HighTower Advisors, LLC | 12,042 | $459.0K | 0.00% | +1,983+19.7% | Added |
| New York Life Investment Management LLC | 12,581 | $471.8K | 0.01% | −3,180−20.2% | Reduced |
| Engineers Gate Manager LP | 12,826 | $481.0K | 0.02% | −3,447−21.2% | Reduced |
| LPL Financial LLC | 13,213 | $495.5K | 0.00% | +13,213 | New |
| Versor Investments LP | 14,302 | $536.3K | 0.07% | −1,498−9.5% | Reduced |
| Vestcor Inc | 14,355 | $538.0K | 0.02% | 00.0% | Unchanged |
| SEI Investments Co | 14,422 | $540.8K | 0.00% | +14,422 | New |
| Advisory Research Inc | 14,779 | $554.2K | 0.09% | +14,779 | New |
| Maryland State Retirement & Pension System | 15,181 | $569.3K | 0.01% | −337−2.2% | Reduced |
| Capital Impact Advisors, LLC | 15,304 | $573.9K | 0.70% | +635+4.3% | Added |
| Manufacturers Life Insurance Company, The | 15,560 | $583.5K | 0.00% | +69+0.4% | Added |
| Tudor Investment Corp Et Al | 16,010 | $600.0K | 0.01% | +16,010 | New |