Amphastar PharmaceuticalsAMPH
13F holders, Q1 2024 (March 31)270holders
6famous investors
$43.90avg. 13F price*
At the end of Q1 2024, 270 institutions reported holding Amphastar Pharmaceuticals Inc. (AMPH) in their 13F filings. The largest holders were BlackRock Inc. ($266.9M), Vanguard Group Inc. ($120.1M) and Federated Hermes, Inc. ($91.2M). 6 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Amphastar Pharmaceuticals Inc.
- CUSIP
- 03209R103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 45 | $43.1M |
| Exits | 54 | $44.3M |
Ownership 270 holders
| BlackRock Inc. | 0.01% | Add +0.7% | 6,079,042 | $266.9M |
| Vanguard Group Inc. | 0.00% | Reduce -2.9% | 2,734,040 | $120.1M |
| Federated Hermes, Inc. | 0.21% | Reduce -36.5% | 2,077,101 | $91.2M |
| Neuberger Berman Group LLC | 0.06% | Reduce -2.0% | 1,659,817 | $72.9M |
| State Street Corp. | 0.00% | Add +2.9% | 1,514,249 | $66.5M |
| Fuller & Thaler Asset Management, Inc. | 0.24% | Add +0.1% | 1,274,178 | $55.9M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -11.6% | 1,183,830 | $52.0M |
| TD Asset Management Inc | 0.04% | Add +27.4% | 1,010,593 | $44.4M |
| Geode Capital Management, LLC | 0.00% | Add +2.3% | 866,032 | $38.0M |
| Epoch Investment Partners, Inc. | 0.16% | Add +34.8% | 798,462 | $35.1M |
| American Century Companies Inc. | 0.02% | Add +83.2% | 618,644 | $27.2M |
| Boone Capital Management LLC | 5.39% | Add +51.7% | 606,688 | $26.6M |
| Renaissance Technologies | 0.04% | Reduce -6.7% | 599,100 | $26.3M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -0.4% | 584,544 | $25.7M |
| Northern Trust Corp. | 0.00% | Reduce -2.5% | 560,782 | $24.6M |
| Morgan Stanley | 0.00% | Reduce -2.1% | 559,039 | $24.5M |
| Oberweis Asset Management Inc./ | 1.33% | Add +22.8% | 417,865 | $18.3M |
| Invesco Ltd. | 0.00% | Add +0.5% | 403,040 | $17.7M |
| Millennium Management | 0.02% | Add +95.2% | 400,095 | $17.6M |
| Bessemer Group Inc. | 0.03% | Add +21.5% | 395,941 | $17.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -6.1% | 356,405 | $15.6M |
| Granite Investment Partners, LLC | 0.59% | Reduce -3.4% | 352,770 | $15.5M |
| Mesirow Institutional Investment Management, Inc. | 1.37% | Add +38.5% | 350,294 | $15.4M |
| Nordea Investment Management AB | 0.02% | Add +0.4% | 333,014 | $14.8M |
| Bank of New York Mellon Corp | 0.00% | Reduce -6.0% | 294,483 | $12.9M |
| Point72 Asset Management | 0.03% | New | 262,400 | $11.5M |
| LSV Asset Management | 0.02% | Reduce -29.2% | 224,768 | $9.9M |
| Voloridge Investment Management, LLC | 0.04% | Reduce -3.0% | 221,800 | $9.7M |
| Principal Financial Group Inc. | 0.01% | Add +7.7% | 218,574 | $9.6M |
| Victory Capital Management Inc. | 0.01% | Reduce -10.4% | 212,686 | $9.3M |
| Goldman Sachs Group Inc. | 0.00% | Add +79.9% | 199,636 | $8.8M |
| Jacobs Levy Equity Management, Inc. | 0.04% | Reduce -6.5% | 194,985 | $8.6M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -1.2% | 187,491 | $8.2M |
| Janus Henderson Group PLC | 0.00% | Reduce -3.6% | 159,198 | $7.0M |
| Assenagon Asset Management S.A. | 0.02% | New | 154,299 | $6.8M |
| JPMorgan Chase & Co. | 0.00% | Add +89.2% | 140,454 | $6.2M |
| Ameriprise Financial Inc. | 0.00% | Reduce -3.3% | 134,629 | $5.9M |
| Lam Group, Inc. | 4.68% | No change | 130,800 | $5.7M |
| Frontier Capital Management Co. LLC | 0.05% | Reduce -1.2% | 125,963 | $5.5M |
| Two Sigma Advisers, LP | 0.01% | Reduce -1.2% | 125,900 | $5.5M |
| Qube Research & Technologies Ltd | 0.01% | Add +127.1% | 125,835 | $5.5M |
| Bank of America Corp. | 0.00% | Reduce -41.8% | 125,379 | $5.5M |
| Twinbeech Capital LP | 0.11% | New | 117,069 | $5.1M |
| Silvercrest Asset Management Group LLC | 0.03% | Add +35.1% | 112,428 | $4.9M |
| Legal & General Group Plc | 0.00% | Add +0.2% | 107,327 | $4.7M |
| Raymond James & Associates | 0.00% | Add +5.9% | 98,145 | $4.3M |
| Mutual of America Capital Management LLC | 0.05% | Add +11.3% | 97,683 | $4.3M |
| Two Sigma Investments, LP | 0.01% | Add +131.7% | 96,804 | $4.3M |
| Portolan Capital Management, LLC | 0.30% | Reduce -38.7% | 91,005 | $4.0M |
| Rhumbline Advisers | 0.00% | Reduce -4.8% | 89,193 | $3.9M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Add +115.1% | 88,552 | $3.9M |
| Squarepoint Ops LLC | 0.01% | Reduce -1.7% | 82,051 | $3.6M |
| UBS Group AG | 0.00% | Add +13.2% | 80,452 | $3.5M |
| Voya Investment Management LLC | 0.00% | Reduce -21.9% | 79,644 | $3.5M |
| State of Wisconsin Investment Board | 0.01% | Add +82.0% | 77,828 | $3.4M |
| Trexquant Investment LP | 0.07% | Add +99.5% | 77,725 | $3.4M |
| Public Sector Pension Investment Board | 0.02% | Reduce -1.2% | 76,593 | $3.4M |
| Swiss National Bank | 0.00% | Reduce -1.9% | 75,600 | $3.3M |
| Moody Aldrich Partners LLC | 0.56% | Add +19.6% | 75,478 | $3.3M |
| Ellsworth Advisors, LLC | 0.92% | New | 81,165 | $3.2M |
| Barclays PLC | 0.00% | Add +12.0% | 70,832 | $3.1M |
| Citadel Advisors | 0.00% | Reduce -41.7% | 67,697 | $3.0M |
| First Trust Advisors LP | 0.00% | Add +43.0% | 67,086 | $2.9M |
| Allspring Global Investments Holdings, LLC | 0.00% | Add +61.9% | 64,564 | $2.8M |
| Hussman Strategic Advisors, Inc. | 0.64% | New | 63,000 | $2.8M |
| BNP Paribas Financial Markets | 0.00% | Reduce -37.4% | 61,233 | $2.7M |
| Renaissance Group LLC | 0.10% | Add +22.7% | 59,402 | $2.6M |
| Wells Fargo & Company | 0.00% | Add +56.1% | 57,241 | $2.5M |
| AQR Capital Management | 0.00% | Add +347.7% | 57,054 | $2.5M |
| Cubist Systematic Strategies, LLC | 0.03% | Add +19.4% | 55,172 | $2.4M |
| ExodusPoint Capital Management, LP | 0.03% | Add +343.5% | 54,531 | $2.4M |
| New York State Common Retirement Fund | 0.00% | Add +0.6% | 53,989 | $2.4M |
| Credit Suisse AG/ | 0.00% | No change | 51,312 | $2.3M |
| State of New Jersey Common Pension Fund D | 0.01% | Add +10.1% | 50,610 | $2.2M |
| Shaker Investments LLC | 0.91% | Add +0.2% | 49,190 | $2.2M |
| Alliancebernstein L.P. | 0.00% | Reduce -38.6% | 47,240 | $2.1M |
| Osaic Holdings, Inc. | 0.00% | Add +260.6% | 44,602 | $2.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -3.2% | 43,836 | $1.9M |
| Prudential Financial Inc. | 0.00% | Reduce -2.4% | 41,984 | $1.8M |
| Clark Capital Management Group, Inc. | 0.01% | Reduce -35.6% | 40,064 | $1.8M |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +29.3% | 39,930 | $1.8M |
| Hillsdale Investment Management Inc. | 0.14% | Reduce -59.2% | 39,279 | $1.7M |
| Martingale Asset Management L P | 0.03% | No change | 39,273 | $1.7M |
| Jane Street Group, LLC | 0.00% | Reduce -25.2% | 38,860 | $1.7M |
| Buck Wealth Strategies, LLC | 0.58% | New | 38,318 | $1.7M |
| California State Teachers Retirement System | 0.00% | Reduce -7.0% | 38,269 | $1.7M |
| Assetmark, Inc. | 0.01% | Reduce -0.0% | 35,777 | $1.6M |
| Citigroup Inc. | 0.00% | Add +12.9% | 34,948 | $1.5M |
| Bridge City Capital, LLC | 0.56% | Add +0.8% | 34,773 | $1.5M |
| Navellier & Associates Inc. | 0.19% | Add +347.7% | 34,591 | $1.5M |
| Redwood Investments, LLC | 0.44% | New | 35,056 | $1.5M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -46.1% | 34,321 | $1.5M |
| Texas Permanent School Fund Corp. | 0.01% | Add +1.3% | 32,704 | $1.4M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -2.6% | 32,417 | $1.4M |
| New York State Teachers Retirement System | 0.00% | Add +12.8% | 30,855 | $1.4M |
| Sei Investments Co. | 0.00% | Reduce -17.8% | 30,630 | $1.3M |
| AXA S.A. | 0.00% | Reduce -7.8% | 29,678 | $1.3M |
| Gotham Asset Management | 0.02% | Add +154.9% | 28,881 | $1.3M |
| Advisor OS, LLC | 0.14% | New | 26,939 | $1.2M |
| Franklin Resources Inc. | 0.00% | Reduce -3.4% | 25,670 | $1.1M |
"% of holder's portfolio" is AMPH's weight in each manager's 13F, not the share of Amphastar Pharmaceuticals Inc. the manager owns.