AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 108 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2017. 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% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Alambic Investment Management, L.P. | 29,423 | $583,000 | 0.44% |
| Matarin Capital Management, LLC | 223,184 | $4,426,000 | 0.34% |
| Summit Global Investments | 42,725 | $847,000 | 0.10% |
| FEDERATED HERMES, INC. | 1,747,921 | $34,661,000 | 0.08% |
| ROTHSCHILD & CO ASSET MANAGEMENT US INC. | 347,307 | $6,887,000 | 0.08% |
| MARSHALL WACE, LLP | 413,293 | $8,196,000 | 0.06% |
| BOSTON ADVISORS LLC | 42,365 | $840,000 | 0.04% |
| MARTINGALE ASSET MANAGEMENT L P | 214,444 | $4,254,000 | 0.04% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 177,321 | $3,516,000 | 0.04% |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 231,041 | $4,582,000 | 0.04% |