AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 135 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $6,813 | +37750.0% | 148,144 | +46195.0% | 0.02% | – |
Q2 2023 | $18 | +260.0% | 320 | +131.9% | 0.00% | – |
Q1 2023 | $5 | +66.7% | 138 | +21.1% | 0.00% | – |
Q4 2022 | $3 | -99.9% | 114 | 0.0% | 0.00% | – |
Q3 2022 | $3,000 | -50.0% | 114 | -29.6% | 0.00% | – |
Q2 2022 | $6,000 | 0.0% | 162 | 0.0% | 0.00% | – |
Q1 2022 | $6,000 | -99.8% | 162 | -99.9% | 0.00% | -100.0% |
Q2 2020 | $2,507,000 | +51.4% | 111,600 | 0.0% | 0.01% | +14.3% |
Q1 2020 | $1,656,000 | -22.4% | 111,600 | +0.8% | 0.01% | 0.0% |
Q4 2019 | $2,135,000 | +2.4% | 110,700 | +5.3% | 0.01% | 0.0% |
Q3 2019 | $2,084,000 | +0.2% | 105,100 | +6.7% | 0.01% | 0.0% |
Q2 2019 | $2,079,000 | +1.9% | 98,500 | -1.4% | 0.01% | -12.5% |
Q1 2019 | $2,041,000 | +45.5% | 99,900 | +41.7% | 0.01% | +33.3% |
Q4 2018 | $1,403,000 | +126.3% | 70,500 | +118.9% | 0.01% | +200.0% |
Q3 2018 | $620,000 | +248.3% | 32,200 | +242.6% | 0.00% | +100.0% |
Q3 2016 | $178,000 | – | 9,400 | – | 0.00% | – |
Download |
Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
LAM GROUP, INC. | 130,250 | $4,884,375 | 4.79% |
SHAKER INVESTMENTS LLC/OH | 82,253 | $3,084,488 | 1.72% |
Mesirow Institutional Investment Management, Inc. | 325,669 | $12,212,588 | 1.33% |
Portolan Capital Management | 340,593 | $12,772,238 | 1.22% |
OBERWEIS ASSET MANAGEMENT INC/ | 178,200 | $6,682,500 | 1.04% |
Granite Investment Partners, LLC | 536,821 | $20,130,788 | 0.84% |
Capital Impact Advisors, LLC | 15,304 | $573,900 | 0.70% |
Hillsdale Investment Management Inc. | 155,038 | $5,813,926 | 0.50% |
GLOBEFLEX CAPITAL L P | 89,192 | $3,344,700 | 0.41% |
Jackson Creek Investment Advisors LLC | 25,877 | $970 | 0.41% |