Amphastar Pharmaceuticals, Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 05/02/2025 | 6.15 M | $178.22 M | 0.49% | 12.90% |
| VANGUARD GROUP INC | 05/09/2025 | 2.42 M | $70.24 M | -10.75% | 5.09% |
| TD ASSET MANAGEMENT INC | 05/07/2025 | 2.21 M | $64.13 M | 20.21% | 4.64% |
| STATE STREET CORP | 05/15/2025 | 1.60 M | $46.52 M | 0.53% | 3.37% |
| DIMENSIONAL FUND ADVISORS LP | 05/13/2025 | 1.36 M | $39.32 M | 13.16% | 2.85% |
| FULLER & THALER ASSET MANAGEMENT, INC. | 05/13/2025 | 1.26 M | $36.63 M | 11.53% | 2.65% |
| EPOCH INVESTMENT PARTNERS, INC. | 05/14/2025 | 1.26 M | $36.57 M | 14.53% | 2.65% |
| BOSTON TRUST WALDEN CORP | 04/21/2025 | 1.22 M | $35.24 M | 24.18% | 2.55% |
| MARSHALL WACE, LLP | 05/15/2025 | 1.03 M | $29.91 M | 69.49% | 2.17% |
| GEODE CAPITAL MANAGEMENT, LLC | 05/13/2025 | 955.08 K | $27.69 M | 4.26% | 2.00% |
| MILLENNIUM MANAGEMENT LLC | 05/15/2025 | 868.55 K | $25.18 M | 238.54% | 1.82% |
| NORTHERN TRUST CORP | 05/13/2025 | 594.44 K | $17.23 M | -3.06% | 1.25% |
| FEDERATED HERMES, INC. | 05/08/2025 | 585.12 K | $16.96 M | -28.95% | 1.23% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 05/14/2025 | 541.22 K | $15.69 M | -4.49% | 1.14% |
| MORGAN STANLEY | 05/15/2025 | 522.11 K | $15.14 M | -17.40% | 1.10% |
| RENAISSANCE TECHNOLOGIES LLC | 05/14/2025 | 495.00 K | $14.35 M | -5.80% | 1.04% |
| PACER ADVISORS, INC. | 05/06/2025 | 479.39 K | $13.90 M | -64.50% | 1.01% |
| BOSTON PARTNERS | 05/13/2025 | 423.07 K | $11.94 M | -0.84% | 0.89% |
| GOLDMAN SACHS GROUP INC | 06/27/2025 | 406.71 K | $11.79 M | -4.94% | 0.85% |
| GRANITE INVESTMENT PARTNERS, LLC | 05/13/2025 | 375.78 K | $10.89 M | -5.27% | 0.79% |
| INVESCO LTD. | 05/12/2025 | 359.14 K | $10.41 M | 20.17% | 0.75% |
| EXODUSPOINT CAPITAL MANAGEMENT, LP | 05/14/2025 | 343.29 K | $9.95 M | 100.00% | 0.72% |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | 05/14/2025 | 326.55 K | $9.47 M | 32.55% | 0.69% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 05/09/2025 | 326.23 K | $9.46 M | -6.13% | 0.68% |
| AMERICAN CENTURY COMPANIES INC | 05/13/2025 | 307.99 K | $8.93 M | -34.75% | 0.65% |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 05/14/2025 | 270.15 K | $7.83 M | 13.74% | 0.57% |
| BANK OF NEW YORK MELLON CORP | 04/29/2025 | 266.08 K | $7.71 M | -6.92% | 0.56% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 05/15/2025 | 258.98 K | $7.51 M | 124.63% | 0.54% |
| ROYCE & ASSOCIATES LP | 05/06/2025 | 247.86 K | $7.19 M | 2,684.30% | 0.52% |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 05/15/2025 | 216.00 K | $6.26 M | 50.59% | 0.45% |
| PRINCIPAL FINANCIAL GROUP INC | 04/28/2025 | 212.65 K | $6.16 M | 2.24% | 0.45% |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 05/15/2025 | 165.86 K | $4.81 M | -0.57% | 0.35% |
| BALYASNY ASSET MANAGEMENT L.P. | 05/15/2025 | 162.14 K | $4.70 M | 100.00% | 0.34% |
| CITADEL ADVISORS LLC | 05/15/2025 | 155.98 K | $4.52 M | 11.09% | 0.33% |
| AMERIPRISE FINANCIAL INC | 05/14/2025 | 155.15 K | $4.50 M | 6.25% | 0.33% |
| NORDEA INVESTMENT MANAGEMENT AB | 05/14/2025 | 150.93 K | $4.32 M | -46.04% | 0.32% |
| LAM GROUP, INC. | 04/16/2025 | 130.80 K | $3.79 M | 0.00% | 0.27% |
| JANUS HENDERSON GROUP PLC | 05/15/2025 | 124.40 K | $3.54 M | -34.30% | 0.26% |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 05/15/2025 | 119.63 K | $3.47 M | -3.03% | 0.25% |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | 05/12/2025 | 118.89 K | $3.45 M | 27.25% | 0.25% |
| BRIDGE CITY CAPITAL, LLC | 04/14/2025 | 115.86 K | $3.36 M | 65.28% | 0.24% |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | 05/14/2025 | 115.09 K | $3.34 M | 100.00% | 0.24% |
| BANK OF AMERICA CORP /DE/ | 05/15/2025 | 106.69 K | $3.09 M | -4.82% | 0.22% |
| LEGAL & GENERAL GROUP PLC | 05/15/2025 | 101.58 K | $2.94 M | -2.09% | 0.21% |
| 05/12/2025 | 95.67 K | $2.77 M | 100.00% | 0.20% | |
| TREXQUANT INVESTMENT LP | 05/14/2025 | 91.29 K | $2.65 M | -13.49% | 0.19% |
| UBS GROUP AG | 05/13/2025 | 89.32 K | $2.59 M | -41.90% | 0.19% |
| RHUMBLINE ADVISERS | 05/29/2025 | 88.96 K | $2.58 M | 1.87% | 0.19% |
| HRT FINANCIAL LP | 05/15/2025 | 86.36 K | $2.50 M | 100.00% | 0.18% |
| TWO SIGMA ADVISERS, LP | 05/15/2025 | 84.70 K | $2.46 M | -1.40% | 0.18% |
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Amphastar Pharmaceuticals, Inc. institutional Ownership - FAQ's
During the previous two years, 335 institutional investors and hedge funds held shares of Amphastar Pharmaceuticals, Inc.. The most heavily invested institutionals were:
BlackRock, Inc.: 6.15 M
VANGUARD GROUP INC: 2.42 M
TD ASSET MANAGEMENT INC: 2.21 M
STATE STREET CORP: 1.6 M
DIMENSIONAL FUND ADVISORS LP: 1.36 M
FULLER & THALER ASSET MANAGEMENT, INC.: 1.26 M
69.79% of Amphastar Pharmaceuticals, Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 47.36 M shares in the last 24 months. This purchase volume represents approximately $1.10 B in transactions.