AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 110 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $267,000 | -81.7% | 5,789 | -77.3% | 0.00% | – |
Q2 2023 | $1,463,000 | +881.9% | 25,449 | +538.0% | 0.00% | – |
Q1 2023 | $149,000 | -38.9% | 3,989 | -54.5% | 0.00% | – |
Q4 2022 | $244,000 | +117.9% | 8,766 | +118.5% | 0.00% | – |
Q3 2022 | $112,000 | -4.3% | 4,011 | +19.1% | 0.00% | – |
Q2 2022 | $117,000 | -87.7% | 3,367 | -87.3% | 0.00% | – |
Q1 2022 | $954,000 | +448.3% | 26,585 | +257.2% | 0.00% | – |
Q4 2021 | $174,000 | +100.0% | 7,443 | +64.5% | 0.00% | – |
Q3 2021 | $87,000 | +22.5% | 4,524 | +28.0% | 0.00% | – |
Q2 2021 | $71,000 | +294.4% | 3,534 | +253.4% | 0.00% | – |
Q1 2021 | $18,000 | -94.1% | 1,000 | -93.4% | 0.00% | – |
Q4 2020 | $307,000 | +8.1% | 15,261 | +0.7% | 0.00% | – |
Q3 2020 | $284,000 | -6.9% | 15,161 | +11.7% | 0.00% | – |
Q2 2020 | $305,000 | +45.9% | 13,579 | -3.4% | 0.00% | – |
Q1 2020 | $209,000 | +770.8% | 14,050 | +1008.0% | 0.00% | – |
Q4 2019 | $24,000 | -29.4% | 1,268 | -25.4% | 0.00% | – |
Q3 2019 | $34,000 | -8.1% | 1,700 | -2.0% | 0.00% | – |
Q2 2019 | $37,000 | +5.7% | 1,735 | +1.9% | 0.00% | – |
Q1 2019 | $35,000 | -52.7% | 1,703 | -54.0% | 0.00% | – |
Q4 2018 | $74,000 | -22.9% | 3,700 | -26.1% | 0.00% | – |
Q3 2018 | $96,000 | +585.7% | 5,005 | +456.1% | 0.00% | – |
Q2 2018 | $14,000 | -17.6% | 900 | -2.4% | 0.00% | – |
Q1 2018 | $17,000 | 0.0% | 922 | +2.4% | 0.00% | – |
Q4 2017 | $17,000 | -70.2% | 900 | -72.0% | 0.00% | – |
Q3 2017 | $57,000 | +256.2% | 3,217 | +252.4% | 0.00% | – |
Q2 2017 | $16,000 | +6.7% | 913 | -9.2% | 0.00% | – |
Q1 2017 | $15,000 | -94.4% | 1,006 | -93.0% | 0.00% | – |
Q4 2016 | $267,000 | +19.2% | 14,474 | +22.5% | 0.00% | – |
Q3 2016 | $224,000 | +761.5% | 11,819 | +650.9% | 0.00% | – |
Q2 2016 | $26,000 | +271.4% | 1,574 | +162.3% | 0.00% | – |
Q1 2016 | $7,000 | +600.0% | 600 | +659.5% | 0.00% | – |
Q4 2015 | $1,000 | -90.0% | 79 | -91.3% | 0.00% | – |
Q3 2015 | $10,000 | -64.3% | 907 | -42.7% | 0.00% | – |
Q2 2015 | $28,000 | -3.4% | 1,582 | -37.1% | 0.00% | – |
Q4 2014 | $29,000 | 0.0% | 2,516 | +0.6% | 0.00% | – |
Q3 2014 | $29,000 | – | 2,500 | – | 0.00% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
MQS Management LLC | 10,935 | $255,000 | 0.41% |
GLOBEFLEX CAPITAL L P | 144,692 | $3,370,000 | 0.34% |
CORNERCAP INVESTMENT COUNSEL INC | 58,975 | $1,374,000 | 0.20% |
Factorial Partners, LLC | 10,900 | $254,000 | 0.17% |
FEDERATED HERMES, INC. | 3,464,335 | $80,684,000 | 0.15% |
Campbell & CO Investment Adviser LLC | 14,800 | $345,000 | 0.12% |
FULLER & THALER ASSET MANAGEMENT, INC. | 611,462 | $14,241,000 | 0.08% |
Summit Global Investments | 45,900 | $1,069,000 | 0.07% |
RENAISSANCE GROUP LLC | 63,559 | $1,480,000 | 0.06% |
PDT Partners, LLC | 33,459 | $779,000 | 0.06% |