Who Holds Amphastar Pharmaceuticals, Inc. (AMPH)? 210 Institutional Holders, Q2 2026
Managers with more than $100 million in US equities report their holdings on Form 13F within 45 days of each quarter end. Quarter ended 30 Jun 2026: 210 holders, $539 million in total.
Largest holders
The 100 largest by value. Change in shares against Q1 2026.
| Manager | Shares | Value | Change | |
|---|---|---|---|---|
| BlackRock, Inc. | 5,224,934 | $105 million | -4% | 13F |
| DIMENSIONAL FUND ADVISORS LP | 2,305,107 | $47 million | +14% | 13F |
| STATE STREET CORP | 1,642,126 | $33 million | +2% | 13F |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,481,952 | $30 million | -4% | 13F |
| AMERICAN CENTURY COMPANIES INC | 1,176,626 | $24 million | +16% | 13F |
| MARSHALL WACE, LLP | 1,066,322 | $22 million | +4% | 13F |
| GEODE CAPITAL MANAGEMENT, LLC | 969,840 | $20 million | -1% | 13F |
| FULLER & THALER ASSET MANAGEMENT, INC. | 949,238 | $19 million | -32% | 13F |
| D. E. Shaw & Co., Inc. | 887,048 | $18 million | +33% | 13F |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 809,568 | $16 million | +3% | 13F |
| RENAISSANCE TECHNOLOGIES LLC | 525,100 | $11 million | -5% | 13F |
| GOLDMAN SACHS GROUP INC | 505,360 | $10 million | +53% | 13F |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | 437,384 | $9 million | -3% | 13F |
| MORGAN STANLEY | 434,840 | $9 million | +3% | 13F |
| UBS Group AG | 393,110 | $8 million | -6% | 13F |
| DENALI ADVISORS LLC | 375,965 | $8 million | +41% | 13F |
| NORTHERN TRUST CORP | 370,991 | $7 million | 0% | 13F |
| Bridge City Capital, LLC | 338,708 | $7 million | +1% | 13F |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 310,178 | $6 million | -3% | 13F |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 298,954 | $6 million | -10% | 13F |
| ROYCE & ASSOCIATES LP | 294,758 | $6 million | -27% | 13F |
| TWO SIGMA INVESTMENTS, LP | 248,115 | $5 million | +80% | 13F |
| FIRST TRUST ADVISORS LP | 246,951 | $5 million | +64% | 13F |
| Bank of New York Mellon Corp | 232,343 | $5 million | -4% | 13F |
| VANGUARD FIDUCIARY TRUST CO | 224,478 | $5 million | -3% | 13F |
| AQR CAPITAL MANAGEMENT LLC | 208,651 | $4 million | +165% | 13F |
| PRINCIPAL FINANCIAL GROUP INC | 204,250 | $4 million | -2% | 13F |
| NEW YORK STATE COMMON RETIREMENT FUND | 181,122 | $4 million | +22% | 13F |
| JANE STREET GROUP, LLC | 178,734 | $4 million | +93% | 13F |
| Empowered Funds, LLC | 162,812 | $3 million | -10% | 13F |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 159,427 | $3 million | +53% | 13F |
| Invesco Ltd. | 158,064 | $3 million | -74% | 13F |
| VICTORY CAPITAL MANAGEMENT INC | 149,612 | $3 million | -40% | 13F |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 139,402 | $3 million | +0% | 13F |
| BANK OF AMERICA CORP /DE/ | 136,824 | $3 million | -22% | 13F |
| ALGERT GLOBAL LLC | 131,400 | $3 million | +111% | 13F |
| LAM GROUP, INC. | 130,800 | $3 million | +0% | 13F |
| NORDEA INVESTMENT MANAGEMENT AB | 126,931 | $3 million | +3% | 13F |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 116,653 | $2 million | -64% | 13F |
| Public Sector Pension Investment Board | 116,648 | $2 million | -8% | 13F |
| Nuveen, LLC | 88,397 | $2 million | +15% | 13F |
| Vanguard Global Advisers, LLC | 87,639 | $2 million | +75% | 13F |
| EXCHANGE TRADED CONCEPTS, LLC | 87,054 | $2 million | +6% | 13F |
| RHUMBLINE ADVISERS | 80,454 | $2 million | -4% | 13F |
| Squarepoint Ops LLC | 78,795 | $2 million | +178% | 13F |
| Legal & General Group Plc | 78,281 | $2 million | -3% | 13F |
| ASSETMARK, INC | 68,590 | $1 million | +28% | 13F |
| AMERIPRISE FINANCIAL INC | 68,244 | $1 million | -13% | 13F |
| Robeco Institutional Asset Management B.V. | 66,407 | $1 million | +0% | 13F |
| Swiss National Bank | 64,800 | $1 million | -11% | 13F |
| JPMORGAN CHASE & CO | 57,563 | $1 million | -45% | 13F |
| Jump Financial, LLC | 56,781 | $1 million | New | 13F |
| WELLS FARGO & COMPANY/MN | 55,913 | $1 million | +33% | 13F |
| CITIGROUP INC | 55,779 | $1 million | +55% | 13F |
| Point72 Asset Management, L.P. | 54,964 | $1 million | New | 13F |
| ALLIANCEBERNSTEIN L.P. | 56,430 | $1 million | +0% | 13F |
| BNP PARIBAS FINANCIAL MARKETS | 54,663 | $1 million | -65% | 13F |
| Creative Planning | 51,444 | $1 million | +214% | 13F |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 50,912 | $1 million | -70% | 13F |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 50,565 | $1 million | +246% | 13F |
| INTECH INVESTMENT MANAGEMENT LLC | 49,839 | $1 million | +106% | 13F |
| SteelPeak Wealth, LLC | 48,684 | $982,444 | +0% | 13F |
| XTX Topco Ltd | 46,808 | $944,585 | -47% | 13F |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 44,062 | $889,172 | -20% | 13F |
| Polaris Capital Management, LLC | 43,232 | $872,422 | +0% | 13F |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 36,151 | $729,527 | +28% | 13F |
| DEUTSCHE BANK AG\ | 35,307 | $712,495 | +7% | 13F |
| PRUDENTIAL FINANCIAL INC | 35,133 | $708,984 | -31% | 13F |
| Y-Intercept (Hong Kong) Ltd | 34,704 | $700,327 | New | 13F |
| Vident Advisory, LLC | 34,221 | $690,580 | +47% | 13F |
| Brevan Howard Capital Management LP | 34,201 | $690,176 | +194% | 13F |
| Legato Capital Management LLC | 34,135 | $688,844 | +0% | 13F |
| SEGALL BRYANT & HAMILL, LLC | 33,318 | $672,357 | +0% | 13F |
| SummerHaven Investment Management, LLC | 32,633 | $658,534 | +0% | 13F |
| MILLENNIUM MANAGEMENT LLC | 31,814 | $642,007 | -91% | 13F |
| Engineers Gate Manager LP | 30,191 | $609,254 | New | 13F |
| FMR LLC | 28,958 | $584,363 | +2138% | 13F |
| Advisor OS, LLC | 25,405 | $512,673 | +0% | 13F |
| ADVISORY RESEARCH INC | 25,337 | $511,301 | +0% | 13F |
| BARCLAYS PLC | 25,217 | $508,879 | +18% | 13F |
| FRANKLIN RESOURCES INC | 24,986 | $504,218 | -82% | 13F |
| Quadrature Capital Ltd | 24,428 | $492,957 | -20% | 13F |
| Campbell & CO Investment Adviser LLC | 23,211 | $468,398 | New | 13F |
| VANGUARD ASSET MANAGEMENT, Ltd | 23,052 | $465,189 | +0% | 13F |
| Quantinno Capital Management LP | 20,827 | $420,289 | New | 13F |
| MetLife Investment Management, LLC | 20,761 | $418,957 | +0% | 13F |
| RAYMOND JAMES FINANCIAL INC | 19,313 | $389,736 | +1% | 13F |
| Russell Investments Group, Ltd. | 18,108 | $365,419 | +426% | 13F |
| Illinois Municipal Retirement Fund | 17,452 | $352,181 | -11% | 13F |
| Man Group plc | 17,342 | $349,962 | -53% | 13F |
| STATE OF WISCONSIN INVESTMENT BOARD | 17,039 | $343,847 | -2% | 13F |
| Jupiter Topco LLC | 16,868 | $340,396 | New | 13F |
| CITADEL ADVISORS LLC | 16,231 | $327,542 | -75% | 13F |
| Assenagon Asset Management S.A. | 15,216 | $307,059 | +0% | 13F |
| Louisiana State Employees Retirement System | 14,900 | $300,682 | -5% | 13F |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 14,873 | $300,137 | -12% | 13F |
| FOX RUN MANAGEMENT, L.L.C. | 14,556 | $293,740 | New | 13F |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 14,247 | $287,504 | -10% | 13F |
| Jain Global LLC | 14,183 | $286,213 | New | 13F |
| HOHIMER WEALTH MANAGEMENT, LLC | 13,128 | $264,923 | +0% | 13F |
Questions and answers
- How many institutions hold Amphastar Pharmaceuticals, Inc.?
- 210 managers reported Amphastar Pharmaceuticals, Inc. on Form 13F for the quarter ended 30 June 2026, against 215 the quarter before.
- Who is the largest institutional holder of Amphastar Pharmaceuticals, Inc.?
- BlackRock, Inc., with 5,224,934 shares worth $105 million on its 13F for Q2 2026.
- How many institutions bought or sold out of Amphastar Pharmaceuticals, Inc. in Q2 2026?
- 33 managers reported a new position and 38 reported none after holding it the quarter before.
Source: SEC EDGAR, Form 13F (public domain). Counts and values as filed. Cite this page: Tamarly Intelligence, "Who holds Amphastar Pharmaceuticals, Inc., Q2 2026", https://app.tamarly.ai/holders/amphastar-pharmaceuticals, built from SEC EDGAR.
Research from public records, not investment advice. Tamarly holds no investment positions. By reading these pages you accept the Terms of Use; figures can be late or wrong, so check the linked source before relying on one. Terms and policies.