NasdaqGS - Nasdaq Real Time Price
USD
Amphastar Pharmaceuticals, Inc. (AMPH)
28.39
+0.73
(+2.64%)
As of 2:48:24 PM EST. Market Open.
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Learn moreMajor Holders
| Breakdown | |
|---|---|
| 30.81% | % of Shares Held by All Insider |
| 68.80% | % of Shares Held by Institutions |
| 99.44% | % of Float Held by Institutions |
| 310 | Number of Institutions Holding Shares |
Top Institutional Holders
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
|
Blackrock Inc.
|
5.22M | Jun 30, 2026 | 12.28% | 149,276,362 |
|
Dimensional Fund Advisors LP
|
2.38M | Sep 30, 2026 | 5.60% | 68,082,052 |
|
State Street Corporation
|
1.64M | Jun 30, 2026 | 3.86% | 46,915,539 |
|
Vanguard Capital Management LLC
|
1.48M | Jun 30, 2026 | 3.48% | 42,339,368 |
|
American Century Companies Inc
|
1.18M | Jun 30, 2026 | 2.77% | 33,616,204 |
|
Marshall Wace LLP
|
1.07M | Jun 30, 2026 | 2.51% | 30,464,819 |
|
Geode Capital Management, LLC
|
969.84k | Jun 30, 2026 | 2.28% | 27,708,328 |
|
Fuller & Thaler Asset Management Inc.
|
949.24k | Jun 30, 2026 | 2.23% | 27,119,729 |
|
Shaw D.E. & Co., Inc.
|
887.05k | Jun 30, 2026 | 2.09% | 25,342,961 |
|
Vanguard Portfolio Management LLC
|
809.57k | Jun 30, 2026 | 1.90% | 23,129,357 |
Top Mutual Fund Holders
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
|
iShares Trust-iShares Core S&P Small-Cap ETF
|
1.87M | Sep 30, 2026 | 4.40% | 53,515,409 |
|
American Century ETF Trust-Avantis U.S. Small Cap Value ETF
|
1.3M | Sep 30, 2026 | 3.06% | 37,239,137 |
|
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund
|
1.06M | Jun 30, 2026 | 2.48% | 30,160,662 |
|
Capitol Series Trust-FullerThaler Behavioral Small-Cap Equity Fund
|
902.74k | Jun 30, 2026 | 2.12% | 25,791,195 |
|
iShares Trust-iShares Russell 2000 ETF
|
839.37k | Sep 30, 2026 | 1.97% | 23,980,686 |
|
DFA INVESTMENT DIMENSIONS GROUP INC-U.S. Small Cap Value Portfolio
|
596.08k | Jul 31, 2026 | 1.40% | 17,029,919 |
|
VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund
|
391.08k | Jun 30, 2026 | 0.92% | 11,173,241 |
|
SPDR SERIES TRUST-State Street SPDR S&P Pharmaceuticals ETF
|
311.76k | Sep 30, 2026 | 0.73% | 8,907,040 |
|
iShares Trust-iShares Russell 2000 Value ETF
|
305.36k | Sep 30, 2026 | 0.72% | 8,724,192 |
|
Fidelity Salem Street Trust-Fidelity Small Cap Index Fund
|
305.99k | Aug 31, 2026 | 0.72% | 8,742,219 |
