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 2022
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Mar 31, 2022. 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
- 203
- +36 vs. Q4 2021
- Shares held
- 29.8M
- +671.0K (+2.3%) vs. Q4 2021
- Total value
- $1.07B
- +$392.5M (+57.8%) vs. Q4 2021
- New holders
- 55
- 69 more added
- Sold out
- 19
- 61 more reduced
1 institution that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Two Sigma Advisers, LP | 23,700 | $851.0K | 0.00% | +6,200+35.4% | Added |
| Allianz Asset Management GmbH | 23,229 | $834.0K | 0.00% | 00.0% | Unchanged |
| Navellier & Associates Inc | 22,738 | $816.0K | 0.14% | +22,738 | New |
| Schonfeld Strategic Advisors LLC | 22,500 | $807.0K | 0.01% | +22,500 | New |
| New York State Teachers Retirement System | 21,459 | $770.0K | 0.00% | +1,032+5.1% | Added |
| American International Group, Inc. | 21,189 | $761.0K | 0.00% | −1,302−5.8% | Reduced |
| Deutsche Bank AG | 20,978 | $753.0K | 0.00% | −2,281−9.8% | Reduced |
| Voya Investment Management LLC | 20,891 | $750.0K | 0.00% | −13,479−39.2% | Reduced |
| Royce & Associates LP | 20,900 | $750.0K | 0.01% | +894+4.5% | Added |
| MetLife Investment Management | 20,467 | $734.8K | 0.00% | +8,664+73.4% | Added |
| Louisiana State Employees Retirement System | 17,900 | $700.0K | 0.02% | +100+0.6% | Added |
| Truist Financial Corp | 19,376 | $696.0K | 0.00% | 00.0% | Unchanged |
| Capital Impact Advisors, LLC | 17,760 | $638.0K | 0.46% | +17,760 | New |
| Marshall Wace, LLP | 17,417 | $625.0K | 0.00% | +17,417 | New |
| DekaBank Deutsche Girozentrale | 16,800 | $612.0K | 0.00% | +1,500+9.8% | Added |
| Amalgamated Bank | 16,909 | $607.0K | 0.00% | −1,024−5.7% | Reduced |
| Amalgamated Financial Corp. | 16,909 | $607.0K | 0.00% | +16,909 | New |
| Franklin Resources Inc | 16,847 | $605.0K | 0.00% | −10,026−37.3% | Reduced |
| Winton Group Ltd | 16,721 | $600.0K | 0.03% | −19,574−53.9% | Reduced |
| Raymond James & Associates | 16,692 | $599.0K | 0.00% | +16,692 | New |
| Hightower 6M Holding, LLC | 16,113 | $578.0K | 0.04% | +16,113 | New |
| Manufacturers Life Insurance Company, The | 15,426 | $553.8K | 0.00% | −4,216−21.5% | Reduced |
| Maryland State Retirement & Pension System | 14,775 | $530.0K | 0.01% | +233+1.6% | Added |
| Algert Global LLC | 14,243 | $511.0K | 0.03% | +14,243 | New |
| State of Tennessee, Treasury Department | 13,895 | $499.0K | 0.00% | +2,106+17.9% | Added |
| Jupiter Asset Management Ltd | 13,898 | $499.0K | 0.01% | +13,898 | New |
| Oregon Public Employees Retirement Fund | 13,760 | $494.0K | 0.01% | −400−2.8% | Reduced |
| Lido Advisors, LLC | 13,731 | $492.0K | 0.01% | +13,731 | New |
| Oberweis Asset Management Inc | 13,500 | $485.0K | 0.10% | 00.0% | Unchanged |
| AQR Capital Management LLC | 13,499 | $485.0K | 0.00% | +2,924+27.7% | Added |
| Bank of Montreal | 13,029 | $477.0K | 0.00% | +371+2.9% | Added |
| ProShare Advisors LLC | 13,176 | $473.0K | 0.00% | −2,803−17.5% | Reduced |
| Bluestein R H & Co | 12,500 | $449.0K | 0.02% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 12,027 | $432.0K | 0.00% | −17,938−59.9% | Reduced |
| Cornerstone Investment Partners, LLC | 12,045 | $432.0K | 0.02% | +16+0.1% | Added |
| IndexIQ Advisors LLC | 11,499 | $413.0K | 0.01% | +11,499 | New |
| SG Americas Securities, LLC | 11,401 | $409.0K | 0.00% | −24,546−68.3% | Reduced |
| Public Employees Retirement Association of Colorado | 11,238 | $403.0K | 0.00% | −2,489−18.1% | Reduced |
| Gotham Asset Management, LLC | 10,940 | $393.0K | 0.01% | +10,940 | New |
| Ensign Peak Advisors, Inc | 10,900 | $391.0K | 0.00% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 10,331 | $371.0K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 10,347 | $371.0K | 0.00% | +50.0% | Added |
| Tower Research Capital LLC (TRC) | 10,283 | $370.0K | 0.00% | +9,196+846.0% | Added |
| Veriti Management LLC | 9,535 | $342.0K | 0.04% | −30−0.3% | Reduced |
| Jane Street Group, LLC | 9,276 | $333.0K | 0.00% | −10,090−52.1% | Reduced |
| Money Concepts Capital Corp | 9,102 | $327.0K | 0.02% | −528−5.5% | Reduced |
| HSBC Holdings PLC | 8,416 | $308.0K | 0.00% | +8,416 | New |
| Eqis Capital Management, Inc. | 8,556 | $307.0K | 0.03% | +8,556 | New |
| Aaron Wealth Advisors | 10,805 | $301.0K | 0.01% | +10,805 | New |
| AdvisorShares Investments LLC | 8,200 | $294.0K | 0.05% | +8,200 | New |
| Teacher Retirement System of Texas | 7,917 | $284.0K | 0.00% | +7,917 | New |
| Belvedere Trading LLC | 6,867 | $268.0K | 0.19% | +6,867 | New |
| Dynamic Technology Lab Private Ltd | 6,990 | $251.0K | 0.03% | +6,990 | New |
| Envestnet Asset Management Inc | 6,621 | $238.0K | 0.00% | +6,621 | New |
| Profund Advisors LLC | 5,963 | $214.0K | 0.01% | +5,963 | New |
| Los Angeles Capital Management LLC | 5,635 | $202.0K | 0.00% | +5,635 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,401 | $194.0K | 0.00% | −1,309−19.5% | Reduced |
| Mutual of America Capital Management LLC | 5,309 | $191.0K | 0.00% | +275+5.5% | Added |
| STRS Ohio | 5,300 | $190.0K | 0.00% | +600+12.8% | Added |
| FinTrust Capital Advisors, LLC | 4,000 | $143.0K | 0.03% | +4,000 | New |
| USA Financial Portformulas Corp | 3,415 | $123.0K | 0.13% | +3,415 | New |
| State of Wyoming | 3,172 | $114.0K | 0.06% | +588+22.8% | Added |
| Ameritas Investment Partners, Inc. | 3,073 | $110.0K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 3,000 | $108.0K | 0.01% | 00.0% | Unchanged |
| Altshuler Shaham Ltd | 2,816 | $101.0K | 0.00% | +549+24.2% | Added |
| Captrust Financial Advisors | 2,770 | $99.0K | 0.00% | +1,478+114.4% | Added |
| Group One Trading, L.P. | 2,500 | $90.0K | 0.00% | +2,500 | New |
| Metropolitan Life Insurance Co | 2,267 | $81.4K | 0.00% | −7,848−77.6% | Reduced |
| Nisa Investment Advisors, LLC | 2,090 | $75.0K | 0.00% | −24,395−92.1% | Reduced |
| Point72 Hong Kong Ltd | 2,070 | $74.0K | 0.01% | +2,070 | New |
| The PNC Financial Services Group, Inc. | 2,017 | $73.0K | 0.00% | +81+4.2% | Added |
| Lazard Asset Management LLC | 1,917 | $68.0K | 0.00% | +71+3.8% | Added |
| Allworth Financial LP | 1,847 | $66.0K | 0.00% | +57+3.2% | Added |
| US Bancorp | 1,353 | $49.0K | 0.00% | +43+3.3% | Added |
| Sutton Wealth Advisors Inc. | 1,355 | $48.6K | 0.02% | +5+0.4% | Added |
| Proequities, Inc. | 1,169 | $42.0K | 0.00% | +323+38.2% | Added |
| Pinnacle Financial Partners Inc | 1,000 | $36.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 719 | $26.0K | 0.00% | +262+57.3% | Added |
| Quantbot Technologies LP | 600 | $21.0K | 0.00% | +600 | New |
| Versant Capital Management, Inc | 516 | $19.0K | 0.01% | −48−8.5% | Reduced |
| Fifth Third Bancorp | 537 | $19.0K | 0.00% | +89+19.9% | Added |
| CWM, LLC | 529 | $19.0K | 0.00% | +298+129.0% | Added |
| Anfield Capital Management, LLC | 509 | $18.0K | 0.01% | +509 | New |
| TCI Wealth Advisors, Inc. | 432 | $16.0K | 0.00% | +53+14.0% | Added |
| TD Private Client Wealth LLC | 436 | $15.7K | 0.00% | +436 | New |
| Quadrant Capital Group LLC | 394 | $14.0K | 0.00% | +149+60.8% | Added |
| Covestor Ltd | 201 | $7.00K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 179 | $7.00K | 0.00% | +179 | New |
| Daiwa Securities Group Inc. | 165 | $6.00K | 0.00% | 00.0% | Unchanged |
| Tarbox Family Office, Inc. | 168 | $6.00K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 162 | $6.00K | 0.00% | +162 | New |
| Kelly Financial Services LLC | 150 | $5.38K | 0.00% | 00.0% | Unchanged |
| City State Bank | 150 | $5.00K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 136 | $5.00K | 0.00% | +136 | New |
| Parkside Financial Bank & Trust | 117 | $4.00K | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 98 | $4.00K | 0.00% | +9+10.1% | Added |
| Lindbrook Capital, LLC | 105 | $4.00K | 0.00% | +29+38.2% | Added |
| Massmutual Trust Co FSB | 97 | $3.00K | 0.00% | 00.0% | Unchanged |
| Ellevest, Inc. | 75 | $3.00K | 0.00% | +75 | New |
| Zions Bancorporation, N.A. | 80 | $3.00K | 0.00% | +80 | New |