Amphastar Pharmaceuticals, Inc. - AMPH

Sector: Healthcare · Industry: Pharmaceutical Preparations

Website: No information yet · Social: No information yet

Company profile

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Q4 2025 · Q3 2025

Value (USD)

Total reported value ($000)

$900.4M

QoQ value delta ($000)

+$27.51M (+3.15%)

Implied price effect (QoQ)

+0.52%

Total shares

33,611,445

QoQ shares delta

+856,631 (+2.62%)

Total shares held by funds (by quarter)

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Top 25 only Full list

Early Q1 2026 data: only 27 institutional holders reported so far. More will appear as funds file with the SEC.

Manager	Value ($000)	Shares	% of 13F
BlackRock, Inc.	146,272	5,462,015	0.0%
VANGUARD GROUP INC	69,846	2,608,158	0.0%
TD ASSET MANAGEMENT INC	52,570	1,963,052	0.04%
DIMENSIONAL FUND ADVISORS LP	48,196	1,799,685	0.01%
STATE STREET CORP	41,021	1,531,786	0.0%
FULLER & THALER ASSET MANAGEMENT, INC.	37,343	1,394,463	0.13%
MARSHALL WACE, LLP	33,134	1,237,284	0.03%
Epoch Investment Partners, Inc.	30,169	1,126,585	0.17%
Boston Trust Walden Corp	29,116	1,087,266	0.22%
GEODE CAPITAL MANAGEMENT, LLC	23,753	886,825	0.0%
AMERICAN CENTURY COMPANIES INC	17,817	665,336	0.01%
MORGAN STANLEY	15,843	591,631	0.0%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	14,981	559,426	0.01%
D. E. Shaw & Co., Inc.	14,918	557,066	0.01%
GOLDMAN SACHS GROUP INC	14,908	556,709	0.0%
RENAISSANCE TECHNOLOGIES LLC	14,587	544,700	0.02%
Invesco Ltd.	13,427	501,404	0.0%
SYSTEMATIC FINANCIAL MANAGEMENT LP	11,664	435,580	0.27%
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	10,780	402,563	0.03%
NORTHERN TRUST CORP	9,945	371,391	0.0%
ROYCE & ASSOCIATES LP	9,434	352,297	0.1%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	9,391	350,707	0.0%
BRIDGEWAY CAPITAL MANAGEMENT, LLC	8,664	323,549	0.18%
Clark Capital Management Group, Inc.	8,502	317,482	0.05%
VICTORY CAPITAL MANAGEMENT INC	8,172	305,161	0.0%