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 |
|---|---|---|---|---|---|
| Oregon Public Employees Retirement Fund | 14,160 | $330.0K | 0.00% | −600−4.1% | Reduced |
| Public Employees Retirement Association of Colorado | 13,727 | $320.0K | 0.00% | 00.0% | Unchanged |
| Oberweis Asset Management Inc | 13,500 | $314.0K | 0.06% | +2,900+27.4% | Added |
| UBS Group AG | 13,418 | $313.0K | 0.00% | +4,158+44.9% | Added |
| Trexquant Investment LP | 13,042 | $304.0K | 0.02% | +13,042 | New |
| Bank of Montreal | 12,658 | $298.0K | 0.00% | −1,659−11.6% | Reduced |
| Bluestein R H & Co | 12,500 | $291.0K | 0.01% | 00.0% | Unchanged |
| Cornerstone Investment Partners, LLC | 12,029 | $280.0K | 0.02% | +12,029 | New |
| State of Tennessee, Treasury Department | 11,789 | $275.0K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 11,803 | $274.9K | 0.00% | 00.0% | Unchanged |
| Norges Bank | 11,600 | $270.0K | 0.00% | −80,600−87.4% | Reduced |
| Diversified Trust Co | 11,018 | $257.0K | 0.01% | +11,018 | New |
| MQS Management LLC | 10,935 | $255.0K | 0.41% | +10,935 | New |
| 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 |
| AQR Capital Management LLC | 10,575 | $246.0K | 0.00% | −8,702−45.1% | 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 |
| Metropolitan Life Insurance Co | 10,115 | $235.6K | 0.00% | −2,428−19.4% | Reduced |
| Money Concepts Capital Corp | 9,630 | $224.0K | 0.02% | +9,630 | New |
| Veriti Management LLC | 9,565 | $223.0K | 0.03% | +9,565 | New |
| Royal Bank of Canada | 7,443 | $174.0K | 0.00% | +2,919+64.5% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,710 | $156.0K | 0.00% | +3,161+89.1% | Added |
| Macquarie Group Ltd | 6,148 | $144.0K | 0.00% | +5,694+1,254.2% | Added |
| Denali Advisors LLC | 5,700 | $133.0K | 0.05% | +5,700 | New |
| Mutual of America Capital Management LLC | 5,034 | $117.0K | 0.00% | +103+2.1% | Added |
| STRS Ohio | 4,700 | $109.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,073 | $72.0K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 3,000 | $70.0K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 2,584 | $60.0K | 0.03% | +2,584 | New |
| Advisor Group Holdings, Inc. | 2,311 | $54.0K | 0.00% | +1,753+314.2% | Added |
| Altshuler Shaham Ltd | 2,267 | $53.0K | 0.00% | +2,267 | New |
| Eaton Vance Management | 2,034 | $48.0K | 0.00% | +493+32.0% | Added |
| Signet Financial Management, LLC | 1,926 | $45.0K | 0.01% | +1,926 | New |
| The PNC Financial Services Group, Inc. | 1,936 | $44.0K | 0.00% | −215−10.0% | Reduced |
| 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 |
| First Quadrant L P | 1,562 | $36.0K | 0.00% | +1,562 | New |
| Sutton Wealth Advisors Inc. | 1,350 | $31.4K | 0.01% | +7+0.5% | Added |
| US Bancorp | 1,310 | $31.0K | 0.00% | +149+12.8% | Added |
| Captrust Financial Advisors | 1,292 | $30.0K | 0.00% | +110+9.3% | Added |
| Tower Research Capital LLC (TRC) | 1,087 | $25.0K | 0.00% | −3,380−75.7% | Reduced |
| Pinnacle Financial Partners Inc | 1,000 | $23.0K | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 846 | $20.0K | 0.00% | +217+34.5% | Added |
| Versant Capital Management, Inc | 564 | $13.0K | 0.00% | +61+12.1% | Added |
| Signaturefd, LLC | 457 | $11.0K | 0.00% | +124+37.2% | Added |
| Fifth Third Bancorp | 448 | $10.0K | 0.00% | +373+497.3% | Added |
| TCI Wealth Advisors, Inc. | 379 | $9.00K | 0.00% | 00.0% | Unchanged |
| Total Clarity Wealth Management, Inc. | 325 | $8.00K | 0.00% | +325 | New |
| Quadrant Capital Group LLC | 245 | $6.00K | 0.00% | −111−31.2% | Reduced |
| CWM, LLC | 231 | $5.00K | 0.00% | +231 | New |
| Covestor Ltd | 201 | $5.00K | 0.01% | +201 | New |
| 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 |
| Kelly Financial Services LLC | 150 | $3.49K | 0.00% | 00.0% | Unchanged |
| 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 |
| 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 |
| McDonald Partners LLC | 66 | $1.54K | 0.00% | +66 | New |
| Absolute Capital Management, LLC | 66 | $1.54K | 0.00% | +66 | 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 |
| Rockefeller Capital Management L.P. | 9 | $0 | 0.00% | +9 | New |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −21,718−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −14,315−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −800−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −177−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −139−100.0% | Sold out |
| Carroll Financial Associates, Inc. | 0 | $0 | 0.00% | −85−100.0% | Sold out |
| Meridian Wealth Partners, LLC | 0 | $0 | 0.00% | −56−100.0% | Sold out |
| First Mercantile Trust Co | – | – | – | – | Not filed |
| Berman Capital Advisors, LLC | – | – | – | – | Not filed |