Amphastar Pharmaceuticals, Inc.
AMPH- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001297184
In the last 90 days, Amphastar Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 5 sales; 212 institutions reported holding it in 13F filings for Q2 2026, worth $572.1M in total; no superinvestor holds it.
Q4 2023 vs. Q3 2023
How the institutions holding Amphastar Pharmaceuticals, Inc. changed between Q3 2023 and Q4 2023.
All holders in Q4 2023All holders in Q3 2023
| Measure | Q3 2023 | Of which not filed for Q4 2023 | Q4 2023 | Change |
|---|---|---|---|---|
| Holders | 256 | 3 | 276 | +23 |
| Shares | 32.0M | 27.7K | 33.3M | +1.32M (+4.1%) |
| Value | $1.47B | $1.27M | $2.06B | +$588.4M (+40.0%) |
3 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.
New holders (48)
Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q4 2023 but not at the end of Q3 2023.
Sold out (25)
Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q3 2023 and filed for Q4 2023 without it.
| Institution | Shares, Q3 2023 | Value, Q3 2023 |
|---|---|---|
| Walleye Capital LLC | 39,854 | $1.83M |
| Monashee Investment Management LLC | 39,461 | $1.81M |
| Jump Financial, LLC | 37,276 | $1.71M |
| Quantedge Capital Pte Ltd | 36,389 | $1.67M |
| Summit Global Investments | 36,238 | $1.67M |
| Arrowstreet Capital, Limited Partnership | 28,230 | $1.30M |
| Empowered Funds, LLC | 18,445 | $848.3K |
| Point72 Middle East FZE | 17,161 | $789.2K |
| Occudo Quantitative Strategies LP | 16,543 | $760.8K |
| Twinbeech Capital LP | 13,992 | $643.5K |
| FORA Capital, LLC | 11,219 | $516.0K |
| HRT Financial LP | 10,057 | $462.0K |
| Verition Fund Management LLC | 8,597 | $395.4K |
| HSBC Holdings PLC | 7,163 | $329.9K |
| Y-Intercept (Hong Kong) Ltd | 5,746 | $264.3K |
| Versor Investments LP | 5,700 | $262.1K |
| Aquatic Capital Management LLC | 4,100 | $189.0K |
| Point72 Asset Management, L.P. | 1,283 | $59.0K |
| Altshuler Shaham Ltd | 441 | $20.3K |
| City State Bank | 100 | $5.00K |
| Householder Group Estate & Retirement Specialist, LLC | 91 | $4.18K |
| Fisher Asset Management, LLC | 58 | $2.67K |
| USA Financial Portformulas Corp | 9 | $414 |
| Abound Wealth Management | 6 | $276 |
| Sofos Investments, Inc. | 1 | $31 |
Not filed for Q4 2023 yet (3)
Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2023 | Value, Q3 2023 |
|---|---|---|
| Virginia Retirement Systems Et Al | 22,800 | $1.05M |
| Advisor Partners II, LLC | 4,854 | $223.2K |
| Steward Financial Group LLC | 11 | $0 |