AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 213 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2023. The put-call ratio across all filers is 0.26 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,333,250 | -60.7% | 28,990 | -50.9% | 0.00% | -57.1% |
| Q2 2023 | $3,392,799 | -18.4% | 59,036 | -46.8% | 0.01% | -22.2% |
| Q1 2023 | $4,158,263 | +31.8% | 110,887 | -1.5% | 0.01% | +28.6% |
| Q4 2022 | $3,155,136 | +18.5% | 112,603 | +18.8% | 0.01% | +16.7% |
| Q3 2022 | $2,663,000 | +116.9% | 94,753 | +168.5% | 0.01% | +100.0% |
| Q2 2022 | $1,228,000 | +153.2% | 35,290 | +161.4% | 0.00% | +200.0% |
| Q1 2022 | $485,000 | +97.2% | 13,499 | +27.7% | 0.00% | – |
| Q4 2021 | $246,000 | -32.8% | 10,575 | -45.1% | 0.00% | -100.0% |
| Q3 2021 | $366,000 | -8.7% | 19,277 | -3.0% | 0.00% | 0.0% |
| Q2 2021 | $401,000 | -10.7% | 19,868 | -19.0% | 0.00% | 0.0% |
| Q1 2021 | $449,000 | -39.1% | 24,521 | -33.1% | 0.00% | 0.0% |
| Q4 2020 | $737,000 | -25.1% | 36,646 | -30.2% | 0.00% | -50.0% |
| Q3 2020 | $984,000 | -42.3% | 52,475 | -30.9% | 0.00% | -33.3% |
| Q2 2020 | $1,706,000 | +29.4% | 75,973 | -14.5% | 0.00% | +50.0% |
| Q1 2020 | $1,318,000 | +77.2% | 88,846 | +130.4% | 0.00% | +100.0% |
| Q4 2019 | $744,000 | -6.5% | 38,568 | -3.9% | 0.00% | 0.0% |
| Q3 2019 | $796,000 | +103.6% | 40,135 | +116.9% | 0.00% | – |
| Q2 2019 | $391,000 | -11.5% | 18,503 | -14.4% | 0.00% | – |
| Q1 2019 | $442,000 | +0.5% | 21,611 | -2.2% | 0.00% | -100.0% |
| Q4 2018 | $440,000 | -7.2% | 22,103 | -10.2% | 0.00% | – |
| Q3 2018 | $474,000 | +58.0% | 24,626 | +25.2% | 0.00% | – |
| Q2 2018 | $300,000 | -21.9% | 19,663 | -4.1% | 0.00% | – |
| Q1 2018 | $384,000 | -2.5% | 20,502 | 0.0% | 0.00% | – |
| Q4 2017 | $394,000 | -9.6% | 20,502 | -16.0% | 0.00% | -100.0% |
| Q3 2017 | $436,000 | -63.0% | 24,415 | -63.0% | 0.00% | -50.0% |
| Q2 2017 | $1,177,000 | -18.5% | 65,910 | -33.9% | 0.00% | 0.0% |
| Q1 2017 | $1,445,000 | -15.4% | 99,641 | +7.5% | 0.00% | 0.0% |
| Q4 2016 | $1,708,000 | -15.8% | 92,729 | -13.3% | 0.00% | -33.3% |
| Q3 2016 | $2,029,000 | +217.0% | 106,982 | +169.4% | 0.00% | +200.0% |
| Q2 2016 | $640,000 | +144.3% | 39,712 | +81.7% | 0.00% | – |
| Q1 2016 | $262,000 | -32.5% | 21,859 | -19.8% | 0.00% | -100.0% |
| Q4 2015 | $388,000 | +37.1% | 27,250 | +12.7% | 0.00% | 0.0% |
| Q3 2015 | $283,000 | – | 24,170 | – | 0.00% | – |
Download | ||||||
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% |