A
Amphastar Pharmaceuticals, Inc. (AMPH)
NMS – Real Time Price. Currency in USD
21.78
+0.74 (3.52%)
At close: Jun 26, 2026, 4:00 PM EDT
21.78
-0.00 (-0.00%)
After-hours: Jun 26, 2026, 4:31 PM EDT
Find any stock by ticker or company name

NMS – Real Time Price. Currency in USD
21.78
+0.74 (3.52%)
At close: Jun 26, 2026, 4:00 PM EDT
21.78
-0.00 (-0.00%)
After-hours: Jun 26, 2026, 4:31 PM EDT
| Breakdown | |
|---|---|
| 29.74% | % of Shares Held by All Insider |
| 76.55% | % of Shares Held by Institutions |
| 108.95% | % of Float Held by Institutions |
| 321 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Blackrock Inc. | 5.42M | 2026-03-31 | 12.30% | $105.88M |
| Dimensional Fund Advisors LP | 2.03M | 2026-03-31 | 4.60% | $39.61M |
| State Street Corporation | 1.61M | 2026-03-31 | 3.65% | $31.39M |
| Vanguard Capital Management LLC | 1.54M | 2026-03-31 | 3.50% | $30.15M |
| TD Asset Management, Inc | 1.54M | 2026-03-31 | 3.49% | $30.10M |
| Fuller & Thaler Asset Management Inc. | 1.40M | 2026-03-31 | 3.16% | $27.25M |
| Marshall Wace LLP | 1.03M | 2026-03-31 | 2.33% | $20.03M |
| American Century Companies Inc | 1.02M | 2026-03-31 | 2.31% | $19.87M |
| Geode Capital Management, LLC | 976,650 | 2026-03-31 | 2.21% | $19.07M |
| Boston Trust Walden Corporation | 944,789 | 2026-03-31 | 2.14% | $18.45M |
| Epoch Investment Partners, Inc. | 898,895 | 2026-03-31 | 2.04% | $15.16M |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| iShares Trust-iShares Core S&P Small-Cap ETF | 2.15M | 2026-05-31 | 4.86% | $41.89M |
| Capitol Series Trust-FullerThaler Behavioral Small-Cap Equity Fund | 1.43M | 2026-04-30 | 3.24% | $27.91M |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 1.11M | 2026-03-31 | 2.52% | $21.67M |
| American Century ETF Trust-Avantis U.S. Small Cap Value ETF | 946,215 | 2026-05-31 | 2.15% | $18.48M |
| iShares Trust-iShares Russell 2000 ETF | 844,939 | 2026-04-30 | 1.92% | $16.50M |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 395,985 | 2026-03-31 | 0.90% | $7.73M |
| Boston Trust Walden Funds-Boston Trust Walden Small Cap Fund | 382,841 | 2026-03-31 | 0.87% | $7.48M |
| Fidelity Salem Street Trust-Fidelity Small Cap Index Fund | 355,721 | 2026-02-28 | 0.81% | $6.95M |
| Invesco Exchange-Traded Fund Trust-Invesco Pharmaceuticals ETF | 345,536 | 2026-05-31 | 0.78% | $6.75M |
| DFA INVESTMENT DIMENSIONS GROUP INC-U.S. Small Cap Value Portfolio | 331,265 | 2026-01-31 | 0.75% | $6.47M |
| SPDR SERIES TRUST-State Street SPDR Portfolio S&P 600 Small Cap ETF | 322,066 | 2026-01-31 | 0.71% | $6.12M |