AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 114 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $984,463 | -10.1% | 21,406 | +12.3% | 0.00% | 0.0% |
Q2 2023 | $1,095,666 | +1.8% | 19,065 | -33.5% | 0.00% | 0.0% |
Q1 2023 | $1,075,875 | +81.6% | 28,690 | +35.7% | 0.00% | – |
Q4 2022 | $592,483 | +15.0% | 21,145 | +15.5% | 0.00% | – |
Q3 2022 | $515,000 | -34.6% | 18,309 | -19.1% | 0.00% | – |
Q2 2022 | $787,000 | +4.5% | 22,637 | +7.9% | 0.00% | – |
Q1 2022 | $753,000 | +39.2% | 20,978 | -9.8% | 0.00% | – |
Q4 2021 | $541,000 | +28.8% | 23,259 | +5.4% | 0.00% | – |
Q3 2021 | $420,000 | -72.5% | 22,077 | -70.9% | 0.00% | -100.0% |
Q2 2021 | $1,529,000 | +90.2% | 75,877 | +72.9% | 0.00% | – |
Q1 2021 | $804,000 | +19.6% | 43,896 | +31.3% | 0.00% | – |
Q4 2020 | $672,000 | +38.3% | 33,443 | +29.0% | 0.00% | – |
Q3 2020 | $486,000 | -10.7% | 25,917 | +7.0% | 0.00% | – |
Q2 2020 | $544,000 | -10.7% | 24,211 | -41.0% | 0.00% | -100.0% |
Q1 2020 | $609,000 | -7.9% | 41,070 | +19.5% | 0.00% | – |
Q4 2019 | $661,000 | +4.9% | 34,362 | +7.8% | 0.00% | – |
Q3 2019 | $630,000 | -51.0% | 31,862 | -47.8% | 0.00% | -100.0% |
Q2 2019 | $1,285,000 | -47.2% | 61,047 | -48.9% | 0.00% | 0.0% |
Q1 2019 | $2,436,000 | +61.1% | 119,391 | +56.8% | 0.00% | 0.0% |
Q4 2018 | $1,512,000 | -65.9% | 76,154 | -66.9% | 0.00% | 0.0% |
Q3 2018 | $4,431,000 | +3.1% | 230,418 | -18.2% | 0.00% | 0.0% |
Q2 2018 | $4,298,000 | +24.0% | 281,758 | +52.4% | 0.00% | -50.0% |
Q1 2018 | $3,465,000 | +63.4% | 184,913 | +67.6% | 0.00% | +100.0% |
Q4 2017 | $2,120,000 | +4.7% | 110,347 | -2.7% | 0.00% | 0.0% |
Q3 2017 | $2,024,000 | +61.4% | 113,419 | +61.3% | 0.00% | 0.0% |
Q2 2017 | $1,254,000 | +124.7% | 70,315 | +82.4% | 0.00% | – |
Q1 2017 | $558,000 | -14.0% | 38,544 | +9.3% | 0.00% | -100.0% |
Q4 2016 | $649,000 | -36.4% | 35,266 | -34.5% | 0.00% | 0.0% |
Q3 2016 | $1,021,000 | +249.7% | 53,849 | +195.8% | 0.00% | – |
Q2 2016 | $292,000 | +269.6% | 18,205 | +173.9% | 0.00% | – |
Q1 2016 | $79,000 | -30.1% | 6,647 | -16.7% | 0.00% | – |
Q4 2015 | $113,000 | -64.2% | 7,983 | -70.6% | 0.00% | – |
Q3 2015 | $316,000 | -90.0% | 27,121 | -84.9% | 0.00% | -100.0% |
Q2 2015 | $3,161,000 | +337.2% | 179,848 | +271.6% | 0.00% | – |
Q1 2015 | $723,000 | +188.0% | 48,394 | +123.0% | 0.00% | – |
Q4 2014 | $251,000 | – | 21,705 | +723400.0% | 0.00% | – |
Q3 2014 | $0 | – | 3 | – | 0.00% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
EAM Investors, LLC | 173,018 | $3,187,000 | 0.42% |
GLOBEFLEX CAPITAL L P | 50,686 | $934,000 | 0.23% |
KALMAR INVESTMENTS INC /DE/ | 240,648 | $4,433,000 | 0.23% |
ESSEX INVESTMENT MANAGEMENT CO LLC | 63,661 | $1,173,000 | 0.19% |
OBERWEIS ASSET MANAGEMENT INC/ | 27,200 | $501,000 | 0.15% |
Invictus RG | 11,950 | $220,000 | 0.15% |
ACADIAN ASSET MANAGEMENT LLC | 1,502,151 | $27,668,000 | 0.13% |
FOX RUN MANAGEMENT, L.L.C. | 12,600 | $232,000 | 0.12% |
Piermont Capital Management Inc. | 26,153 | $482,000 | 0.11% |
FEDERATED HERMES, INC. | 1,344,684 | $24,769,000 | 0.07% |