AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 206 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2022. The put-call ratio across all filers is 0.50 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $27,737 | -2.0% | 603,100 | +22.4% | 0.05% | +14.6% |
| Q2 2023 | $28,309 | +52.0% | 492,583 | -0.8% | 0.04% | +64.0% |
| Q1 2023 | $18,630 | +48.6% | 496,800 | +11.0% | 0.02% | +47.1% |
| Q4 2022 | $12,536 | -99.9% | 447,400 | +3.1% | 0.02% | 0.0% |
| Q3 2022 | $12,190,000 | -13.9% | 433,800 | +6.6% | 0.02% | 0.0% |
| Q2 2022 | $14,156,000 | +27.7% | 406,900 | +31.8% | 0.02% | +30.8% |
| Q1 2022 | $11,082,000 | +64.2% | 308,700 | +6.5% | 0.01% | +62.5% |
| Q4 2021 | $6,749,000 | +28.8% | 289,800 | +5.1% | 0.01% | +14.3% |
| Q3 2021 | $5,241,000 | +5.2% | 275,700 | +11.6% | 0.01% | +16.7% |
| Q2 2021 | $4,982,000 | +20.5% | 247,100 | +9.5% | 0.01% | +20.0% |
| Q1 2021 | $4,133,000 | -34.3% | 225,600 | -27.8% | 0.01% | -28.6% |
| Q4 2020 | $6,286,000 | -11.4% | 312,600 | -17.4% | 0.01% | 0.0% |
| Q3 2020 | $7,093,000 | -38.2% | 378,300 | -26.0% | 0.01% | -30.0% |
| Q2 2020 | $11,484,000 | +4.8% | 511,300 | -30.8% | 0.01% | -9.1% |
| Q1 2020 | $10,961,000 | -31.8% | 738,600 | -11.3% | 0.01% | -8.3% |
| Q4 2019 | $16,069,000 | +10.9% | 833,000 | +14.0% | 0.01% | 0.0% |
| Q3 2019 | $14,490,000 | +16.7% | 730,700 | +24.3% | 0.01% | +9.1% |
| Q2 2019 | $12,413,000 | +37.6% | 588,000 | +33.2% | 0.01% | +37.5% |
| Q1 2019 | $9,022,000 | +46.2% | 441,600 | +42.4% | 0.01% | +14.3% |
| Q4 2018 | $6,171,000 | +72.3% | 310,100 | +66.6% | 0.01% | +75.0% |
| Q3 2018 | $3,581,000 | +51.9% | 186,100 | +30.4% | 0.00% | +300.0% |
| Q2 2018 | $2,358,000 | +143.6% | 142,700 | +176.6% | 0.00% | 0.0% |
| Q1 2018 | $968,000 | +326.4% | 51,600 | +337.3% | 0.00% | – |
| Q4 2017 | $227,000 | -45.3% | 11,800 | -46.1% | 0.00% | -100.0% |
| Q3 2016 | $415,000 | -72.9% | 21,900 | -83.3% | 0.00% | -75.0% |
| Q3 2015 | $1,531,000 | -72.5% | 131,000 | -58.7% | 0.00% | -69.2% |
| Q2 2015 | $5,573,000 | +201.9% | 317,006 | +156.9% | 0.01% | +225.0% |
| Q1 2015 | $1,846,000 | – | 123,380 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| FRIESS ASSOCIATES LLC | 154,415 | $5,543,000 | 2.96% |
| Nantahala Capital Management | 1,000,000 | $35,900,000 | 1.59% |
| MESIROW FINANCIAL INVESTMENT MANAGEMENT - Fixed Income | 251,659 | $9,035,000 | 1.00% |
| EAM Investors, LLC | 124,697 | $4,477,000 | 0.83% |
| Jackson Creek Investment Advisors LLC | 49,814 | $1,788,000 | 0.65% |
| SHAKER INVESTMENTS LLC/OH | 33,794 | $1,213,000 | 0.62% |
| EAM Global Investors LLC | 91,702 | $3,292,000 | 0.61% |
| Hillsdale Investment Management Inc. | 234,338 | $8,412,000 | 0.54% |
| GLOBEFLEX CAPITAL L P | 72,300 | $2,596,000 | 0.53% |
| Capital Impact Advisors, LLC | 17,760 | $638,000 | 0.46% |