AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 109 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $373,546 | -24.4% | 7,992 | -6.4% | 0.00% | – |
| Q2 2023 | $494,319 | +132.5% | 8,536 | +15.1% | 0.00% | – |
| Q4 2022 | $212,634 | -4.2% | 7,414 | +8.8% | 0.00% | – |
| Q3 2022 | $222,000 | -0.4% | 6,816 | +4.9% | 0.00% | – |
| Q2 2022 | $223,000 | -53.2% | 6,495 | -50.1% | 0.00% | – |
| Q1 2022 | $477,000 | +60.1% | 13,029 | +2.9% | 0.00% | – |
| Q4 2021 | $298,000 | +6.8% | 12,658 | -11.6% | 0.00% | – |
| Q3 2021 | $279,000 | -15.7% | 14,317 | -9.8% | 0.00% | – |
| Q2 2021 | $331,000 | +61.5% | 15,868 | +37.2% | 0.00% | – |
| Q1 2021 | $205,000 | -5.5% | 11,569 | +3.9% | 0.00% | – |
| Q4 2020 | $217,000 | -91.9% | 11,132 | -91.6% | 0.00% | -100.0% |
| Q3 2020 | $2,680,000 | -6.1% | 132,595 | -3.2% | 0.00% | -33.3% |
| Q2 2020 | $2,853,000 | +65.5% | 137,002 | +17.4% | 0.00% | +50.0% |
| Q1 2020 | $1,724,000 | -26.8% | 116,732 | -4.4% | 0.00% | 0.0% |
| Q4 2019 | $2,355,000 | +105.9% | 122,074 | +111.6% | 0.00% | +100.0% |
| Q3 2019 | $1,144,000 | +1000.0% | 57,700 | +1072.0% | 0.00% | – |
| Q2 2019 | $104,000 | +141.9% | 4,923 | +130.7% | 0.00% | – |
| Q1 2019 | $43,000 | -12.2% | 2,134 | -12.7% | 0.00% | – |
| Q4 2018 | $49,000 | +16.7% | 2,445 | +12.0% | 0.00% | – |
| Q3 2018 | $42,000 | +27.3% | 2,184 | -0.3% | 0.00% | – |
| Q2 2018 | $33,000 | -5.7% | 2,191 | +17.4% | 0.00% | – |
| Q1 2018 | $35,000 | -62.4% | 1,867 | -61.6% | 0.00% | – |
| Q4 2017 | $93,000 | -92.5% | 4,867 | -93.0% | 0.00% | -100.0% |
| Q3 2017 | $1,245,000 | +0.1% | 69,649 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $1,244,000 | +1297.8% | 69,649 | +1032.9% | 0.00% | – |
| Q1 2017 | $89,000 | -97.6% | 6,148 | -96.6% | 0.00% | -100.0% |
| Q4 2016 | $3,696,000 | +134.4% | 182,305 | +119.3% | 0.00% | +100.0% |
| Q3 2016 | $1,577,000 | +440.1% | 83,120 | +358.7% | 0.00% | – |
| Q2 2016 | $292,000 | +311.3% | 18,120 | +204.2% | 0.00% | – |
| Q1 2016 | $71,000 | +6.0% | 5,956 | +26.7% | 0.00% | – |
| Q4 2015 | $67,000 | -73.0% | 4,700 | -77.8% | 0.00% | – |
| Q3 2015 | $248,000 | -18.4% | 21,172 | +22.4% | 0.00% | – |
| Q2 2015 | $304,000 | +86.5% | 17,292 | +58.8% | 0.00% | – |
| Q1 2015 | $163,000 | +608.7% | 10,886 | +444.3% | 0.00% | – |
| Q4 2014 | $23,000 | 0.0% | 2,000 | 0.0% | 0.00% | – |
| Q3 2014 | $23,000 | – | 2,000 | – | 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% |