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, Q4 2021
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Dec 31, 2021. 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
- 168
- +30 vs. Q3 2021
- Shares held
- 29.2M
- +1.25M (+4.5%) vs. Q3 2021
- Total value
- $678.8M
- +$148.1M (+27.9%) vs. Q3 2021
- New holders
- 38
- 62 more added
- Sold out
- 8
- 48 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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, Q4 2021
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rockefeller Capital Management L.P. | 9 | $0 | 0.00% | +9 | New |
| Sageworth Trust Co | 48 | $1.00K | 0.00% | −162−77.1% | Reduced |
| Aua Capital Management, LLC | 30 | $1.00K | 0.00% | +7+30.4% | Added |
| NEXT Financial Group, Inc | 26 | $1.00K | 0.00% | +26 | New |
| McDonald Partners LLC | 66 | $1.54K | 0.00% | +66 | New |
| Absolute Capital Management, LLC | 66 | $1.54K | 0.00% | +66 | New |
| Glassman Wealth Services | 89 | $2.00K | 0.00% | +32+56.1% | Added |
| Lindbrook Capital, LLC | 76 | $2.00K | 0.00% | +34+81.0% | Added |
| Massmutual Trust Co FSB | 97 | $2.00K | 0.00% | +97 | New |
| Parallel Advisors, LLC | 113 | $3.00K | 0.00% | +4+3.7% | Added |
| Parkside Financial Bank & Trust | 117 | $3.00K | 0.00% | +117 | New |
| City State Bank | 150 | $3.00K | 0.00% | +150 | New |
| Kelly Financial Services LLC | 150 | $3.49K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 165 | $4.00K | 0.00% | 00.0% | Unchanged |
| Tarbox Family Office, Inc. | 168 | $4.00K | 0.00% | +168 | New |
| Sageworth Trust Co of South Dakota | 155 | $4.00K | 0.01% | +155 | New |
| CWM, LLC | 231 | $5.00K | 0.00% | +231 | New |
| Covestor Ltd | 201 | $5.00K | 0.01% | +201 | New |
| Quadrant Capital Group LLC | 245 | $6.00K | 0.00% | −111−31.2% | Reduced |
| Total Clarity Wealth Management, Inc. | 325 | $8.00K | 0.00% | +325 | New |
| TCI Wealth Advisors, Inc. | 379 | $9.00K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 448 | $10.0K | 0.00% | +373+497.3% | Added |
| Signaturefd, LLC | 457 | $11.0K | 0.00% | +124+37.2% | Added |
| Versant Capital Management, Inc | 564 | $13.0K | 0.00% | +61+12.1% | Added |
| Proequities, Inc. | 846 | $20.0K | 0.00% | +217+34.5% | Added |
| Pinnacle Financial Partners Inc | 1,000 | $23.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,087 | $25.0K | 0.00% | −3,380−75.7% | Reduced |
| Captrust Financial Advisors | 1,292 | $30.0K | 0.00% | +110+9.3% | Added |
| US Bancorp | 1,310 | $31.0K | 0.00% | +149+12.8% | Added |
| Sutton Wealth Advisors Inc. | 1,350 | $31.4K | 0.01% | +7+0.5% | Added |
| First Quadrant L P | 1,562 | $36.0K | 0.00% | +1,562 | New |
| Lazard Asset Management LLC | 1,846 | $42.0K | 0.00% | +1,846 | New |
| Allworth Financial LP | 1,790 | $42.0K | 0.00% | +1,790 | New |
| The PNC Financial Services Group, Inc. | 1,936 | $44.0K | 0.00% | −215−10.0% | Reduced |
| Signet Financial Management, LLC | 1,926 | $45.0K | 0.01% | +1,926 | New |
| Eaton Vance Management | 2,034 | $48.0K | 0.00% | +493+32.0% | Added |
| Altshuler Shaham Ltd | 2,267 | $53.0K | 0.00% | +2,267 | New |
| Advisor Group Holdings, Inc. | 2,311 | $54.0K | 0.00% | +1,753+314.2% | Added |
| State of Wyoming | 2,584 | $60.0K | 0.03% | +2,584 | New |
| AdvisorNet Financial, Inc | 3,000 | $70.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,073 | $72.0K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 4,700 | $109.0K | 0.00% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 5,034 | $117.0K | 0.00% | +103+2.1% | Added |
| Denali Advisors LLC | 5,700 | $133.0K | 0.05% | +5,700 | New |
| Macquarie Group Ltd | 6,148 | $144.0K | 0.00% | +5,694+1,254.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,710 | $156.0K | 0.00% | +3,161+89.1% | Added |
| Royal Bank of Canada | 7,443 | $174.0K | 0.00% | +2,919+64.5% | Added |
| Veriti Management LLC | 9,565 | $223.0K | 0.03% | +9,565 | New |
| Money Concepts Capital Corp | 9,630 | $224.0K | 0.02% | +9,630 | New |
| Metropolitan Life Insurance Co | 10,115 | $235.6K | 0.00% | −2,428−19.4% | Reduced |
| Arizona State Retirement System | 10,342 | $241.0K | 0.00% | −38−0.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 10,331 | $241.0K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 10,575 | $246.0K | 0.00% | −8,702−45.1% | Reduced |
| Factorial Partners, LLC | 10,900 | $254.0K | 0.17% | −28,100−72.1% | Reduced |
| Ensign Peak Advisors, Inc | 10,900 | $254.0K | 0.00% | 00.0% | Unchanged |
| MQS Management LLC | 10,935 | $255.0K | 0.41% | +10,935 | New |
| Diversified Trust Co | 11,018 | $257.0K | 0.01% | +11,018 | New |
| Norges Bank | 11,600 | $270.0K | 0.00% | −80,600−87.4% | Reduced |
| MetLife Investment Management | 11,803 | $274.9K | 0.00% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 11,789 | $275.0K | 0.00% | 00.0% | Unchanged |
| Cornerstone Investment Partners, LLC | 12,029 | $280.0K | 0.02% | +12,029 | New |
| Bluestein R H & Co | 12,500 | $291.0K | 0.01% | 00.0% | Unchanged |
| Bank of Montreal | 12,658 | $298.0K | 0.00% | −1,659−11.6% | Reduced |
| Trexquant Investment LP | 13,042 | $304.0K | 0.02% | +13,042 | New |
| UBS Group AG | 13,418 | $313.0K | 0.00% | +4,158+44.9% | Added |
| Oberweis Asset Management Inc | 13,500 | $314.0K | 0.06% | +2,900+27.4% | Added |
| Public Employees Retirement Association of Colorado | 13,727 | $320.0K | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 14,160 | $330.0K | 0.00% | −600−4.1% | Reduced |
| Maryland State Retirement & Pension System | 14,542 | $339.0K | 0.01% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 14,800 | $345.0K | 0.12% | +4,200+39.6% | Added |
| DekaBank Deutsche Girozentrale | 15,300 | $351.0K | 0.00% | +400+2.7% | Added |
| ProShare Advisors LLC | 15,979 | $372.0K | 0.00% | +20+0.1% | Added |
| Two Sigma Advisers, LP | 17,500 | $408.0K | 0.00% | +900+5.4% | Added |
| Louisiana State Employees Retirement System | 17,800 | $415.0K | 0.01% | 00.0% | Unchanged |
| Amalgamated Bank | 17,933 | $418.0K | 0.00% | +213+1.2% | Added |
| Engineers Gate Manager LP | 18,094 | $421.0K | 0.02% | +18,094 | New |
| Truist Financial Corp | 19,376 | $451.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 19,366 | $451.0K | 0.00% | +19,366 | New |
| Manufacturers Life Insurance Company, The | 19,642 | $457.0K | 0.00% | −794−3.9% | Reduced |
| Royce & Associates LP | 20,006 | $466.0K | 0.00% | +20,006 | New |
| New York State Teachers Retirement System | 20,427 | $476.0K | 0.00% | +100+0.5% | Added |
| Occudo Quantitative Strategies LP | 20,891 | $487.0K | 0.04% | −3,959−15.9% | Reduced |
| American International Group, Inc. | 22,491 | $524.0K | 0.00% | −734−3.2% | Reduced |
| Acadian Asset Management LLC | 23,035 | $534.0K | 0.00% | +4,533+24.5% | Added |
| Allianz Asset Management GmbH | 23,229 | $541.0K | 0.00% | −4,788−17.1% | Reduced |
| Deutsche Bank AG | 23,259 | $541.0K | 0.00% | +1,182+5.4% | Added |
| State Board of Administration of Florida Retirement System | 24,130 | $562.0K | 0.00% | −20,011−45.3% | Reduced |
| Exchange Traded Concepts, LLC | 24,983 | $582.0K | 0.01% | +24,983 | New |
| State of Alaska, Department of Revenue | 26,053 | $606.0K | 0.01% | −925−3.4% | Reduced |
| Nisa Investment Advisors, LLC | 26,485 | $612.0K | 0.00% | −62−0.2% | Reduced |
| Texas Permanent School Fund | 26,562 | $619.0K | 0.01% | −797−2.9% | Reduced |
| New York State Common Retirement Fund | 26,704 | $622.0K | 0.00% | −94−0.4% | Reduced |
| D. E. Shaw & Co., Inc. | 26,769 | $623.0K | 0.00% | +26,769 | New |
| Franklin Resources Inc | 26,873 | $626.0K | 0.00% | +384+1.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 27,847 | $649.0K | 0.01% | −195−0.7% | Reduced |
| Jump Financial, LLC | 28,800 | $671.0K | 0.04% | +4,800+20.0% | Added |
| Thrivent Financial for Lutherans | 29,984 | $698.0K | 0.00% | +89+0.3% | Added |
| Panagora Asset Management Inc | 29,965 | $698.0K | 0.00% | +29,965 | New |
| Walleye Capital LLC | 30,267 | $705.0K | 0.02% | +30,267 | New |
| Citigroup Inc | 30,440 | $709.0K | 0.00% | −69−0.2% | Reduced |