AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 241 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2023. The put-call ratio across all filers is 0.69 and the average weighting 0.1%.
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 ↓ |
---|---|---|---|
LAM GROUP, INC. | 130,250 | $3,649,605 | 3.75% |
SHAKER INVESTMENTS LLC/OH | 81,287 | $2,277,662 | 1.41% |
Mesirow Institutional Investment Management, Inc. | 374,414 | $10,491,080 | 1.38% |
OBERWEIS ASSET MANAGEMENT INC/ | 134,000 | $3,754,680 | 0.80% |
Portolan Capital Management | 270,791 | $7,587,564 | 0.75% |
Hillsdale Investment Management Inc. | 172,238 | $4,826,109 | 0.41% |
Capital Impact Advisors, LLC | 14,669 | $411,025 | 0.40% |
Watershed Asset Management, L.L.C. | 9,555 | $267,731 | 0.34% |
Quantedge Capital Pte Ltd | 35,153 | $984,987 | 0.33% |
FEDERATED HERMES, INC. | 3,284,217 | $92,023,760 | 0.25% |