AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 135 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2016. The put-call ratio across all filers is 1.93 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $6,200,924 | -15.9% | 134,832 | +5.1% | 0.00% | 0.0% |
| Q2 2023 | $7,374,206 | -32.4% | 128,314 | -55.9% | 0.00% | 0.0% |
| Q1 2023 | $10,902,638 | +498.5% | 290,737 | +347.2% | 0.00% | – |
| Q4 2022 | $1,821,551 | -27.0% | 65,009 | -26.8% | 0.00% | – |
| Q3 2022 | $2,495,000 | -14.6% | 88,767 | +5.8% | 0.00% | – |
| Q2 2022 | $2,920,000 | +32.9% | 83,907 | +37.0% | 0.00% | – |
| Q1 2022 | $2,197,000 | +67.5% | 61,229 | +8.7% | 0.00% | – |
| Q4 2021 | $1,312,000 | +21.7% | 56,325 | -0.8% | 0.00% | – |
| Q3 2021 | $1,078,000 | -15.1% | 56,767 | -9.8% | 0.00% | – |
| Q2 2021 | $1,269,000 | +4.0% | 62,936 | -5.5% | 0.00% | – |
| Q1 2021 | $1,220,000 | -39.5% | 66,614 | -33.6% | 0.00% | – |
| Q4 2020 | $2,016,000 | -7.9% | 100,284 | -14.1% | 0.00% | – |
| Q3 2020 | $2,190,000 | -18.0% | 116,739 | -1.8% | 0.00% | – |
| Q2 2020 | $2,670,000 | +219.0% | 118,857 | +110.8% | 0.00% | – |
| Q1 2020 | $837,000 | +21.8% | 56,385 | +58.4% | 0.00% | – |
| Q4 2019 | $687,000 | -68.3% | 35,606 | -67.4% | 0.00% | – |
| Q3 2019 | $2,166,000 | +93.6% | 109,221 | +106.0% | 0.00% | – |
| Q2 2019 | $1,119,000 | -24.1% | 53,019 | -26.5% | 0.00% | – |
| Q1 2019 | $1,474,000 | +224.7% | 72,154 | +216.4% | 0.00% | – |
| Q4 2018 | $454,000 | +64.5% | 22,808 | +58.8% | 0.00% | – |
| Q3 2018 | $276,000 | +42.3% | 14,363 | +13.4% | 0.00% | – |
| Q2 2018 | $194,000 | -42.1% | 12,661 | -29.4% | 0.00% | – |
| Q1 2018 | $335,000 | +39.6% | 17,926 | +43.8% | 0.00% | – |
| Q4 2017 | $240,000 | -75.1% | 12,462 | -76.9% | 0.00% | – |
| Q3 2017 | $963,000 | -1.0% | 53,901 | -1.0% | 0.00% | – |
| Q2 2017 | $973,000 | -2.9% | 54,472 | -21.1% | 0.00% | – |
| Q1 2017 | $1,002,000 | +41.1% | 69,075 | +79.2% | 0.00% | – |
| Q4 2016 | $710,000 | +212.8% | 38,556 | +221.9% | 0.00% | – |
| Q3 2016 | $227,000 | +10.7% | 11,979 | -6.1% | 0.00% | – |
| Q2 2016 | $205,000 | +1038.9% | 12,760 | +736.7% | 0.00% | – |
| Q1 2016 | $18,000 | -87.1% | 1,525 | -84.4% | 0.00% | – |
| Q4 2015 | $140,000 | +600.0% | 9,790 | +475.9% | 0.00% | – |
| Q3 2015 | $20,000 | -63.0% | 1,700 | -44.8% | 0.00% | – |
| Q2 2015 | $54,000 | +5300.0% | 3,079 | +7597.5% | 0.00% | – |
| Q1 2015 | $1,000 | – | 40 | – | 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% |