AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 138 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,148,512 | +46.7% | 46,717 | +19.6% | 0.00% | 0.0% |
| Q2 2023 | $1,464,415 | 0.0% | 39,051 | 0.0% | 0.00% | 0.0% |
| Q1 2023 | $1,464,415 | +18.5% | 39,051 | -11.4% | 0.00% | 0.0% |
| Q4 2022 | $1,235,318 | -99.9% | 44,087 | -5.0% | 0.00% | 0.0% |
| Q3 2022 | $1,304,486,000 | -21.7% | 46,423 | -3.1% | 0.00% | 0.0% |
| Q2 2022 | $1,665,919,000 | +7.3% | 47,885 | +10.8% | 0.00% | 0.0% |
| Q1 2022 | $1,552,100,000 | +95.9% | 43,234 | +27.1% | 0.00% | – |
| Q4 2021 | $792,231,000 | +22.5% | 34,016 | 0.0% | 0.00% | – |
| Q3 2021 | $646,646,000 | -26.8% | 34,016 | -22.4% | 0.00% | – |
| Q2 2021 | $883,230,000 | +17.3% | 43,811 | +6.6% | 0.00% | – |
| Q1 2021 | $752,712,000 | -8.9% | 41,087 | 0.0% | 0.00% | – |
| Q4 2020 | $826,260,000 | +7.3% | 41,087 | 0.0% | 0.00% | – |
| Q3 2020 | $770,382,000 | -8.6% | 41,087 | +9.4% | 0.00% | -100.0% |
| Q2 2020 | $843,305,000 | +28.7% | 37,547 | -15.0% | 0.00% | – |
| Q1 2020 | $655,468,000 | -88.4% | 44,169 | -85.0% | 0.00% | -100.0% |
| Q4 2019 | $5,667,383,000 | -2.0% | 293,799 | +0.8% | 0.00% | -25.0% |
| Q3 2019 | $5,781,456,000 | -5.9% | 291,551 | +0.1% | 0.00% | 0.0% |
| Q2 2019 | $6,145,755,000 | +1.8% | 291,130 | -1.5% | 0.00% | 0.0% |
| Q1 2019 | $6,036,616,000 | +5.3% | 295,478 | +2.6% | 0.00% | -20.0% |
| Q4 2018 | $5,732,493,000 | -2.9% | 288,065 | -6.1% | 0.01% | +25.0% |
| Q3 2018 | $5,902,293,000 | +30.0% | 306,772 | +3.1% | 0.00% | +33.3% |
| Q2 2018 | $4,539,667,000 | -28.5% | 297,488 | -12.2% | 0.00% | -40.0% |
| Q1 2018 | $6,352,183,000 | -17.8% | 338,783 | -15.6% | 0.01% | -28.6% |
| Q4 2017 | $7,725,571,000 | -8.3% | 401,537 | -14.8% | 0.01% | -12.5% |
| Q3 2017 | $8,422,917,000 | +29.9% | 471,344 | +29.9% | 0.01% | +33.3% |
| Q2 2017 | $6,482,234,000 | +199.3% | 362,947 | +143.0% | 0.01% | +200.0% |
| Q1 2017 | $2,165,938,000 | +84639.4% | 149,375 | +7.6% | 0.00% | -33.3% |
| Q4 2016 | $2,556,000 | -9.8% | 138,775 | -7.1% | 0.00% | 0.0% |
| Q3 2016 | $2,835,000 | -14.6% | 149,448 | -27.4% | 0.00% | -25.0% |
| Q2 2016 | $3,320,000 | -0.2% | 205,975 | -25.7% | 0.00% | 0.0% |
| Q1 2016 | $3,328,000 | -7.3% | 277,294 | +10.0% | 0.00% | 0.0% |
| Q4 2015 | $3,589,000 | -41.2% | 252,199 | -51.7% | 0.00% | -42.9% |
| Q3 2015 | $6,104,000 | -21.6% | 522,178 | +17.9% | 0.01% | 0.0% |
| Q2 2015 | $7,786,000 | +67.7% | 442,855 | +42.7% | 0.01% | +75.0% |
| Q1 2015 | $4,644,000 | – | 310,417 | – | 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% |