AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 250 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2023. The put-call ratio across all filers is 1.02 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $5,632,855 | +45.5% | 122,480 | +81.8% | 0.01% | +40.0% |
| Q2 2023 | $3,871,869 | +224.7% | 67,372 | +111.9% | 0.01% | +150.0% |
| Q1 2023 | $1,192,425 | +403.4% | 31,798 | +276.2% | 0.00% | – |
| Q4 2022 | $236,853 | -99.9% | 8,453 | -48.8% | 0.00% | -100.0% |
| Q3 2022 | $464,212,000 | -73.8% | 16,520 | -67.6% | 0.00% | -66.7% |
| Q2 2022 | $1,774,499,000 | -64.4% | 51,006 | -63.3% | 0.00% | -57.1% |
| Q1 2022 | $4,991,033,000 | +39.0% | 139,026 | -9.8% | 0.01% | +40.0% |
| Q4 2021 | $3,590,969,000 | +294.7% | 154,185 | +222.2% | 0.01% | +400.0% |
| Q3 2021 | $909,838,000 | +99.3% | 47,861 | +111.3% | 0.00% | 0.0% |
| Q2 2021 | $456,604,000 | +66.1% | 22,649 | +50.9% | 0.00% | – |
| Q1 2021 | $274,965,000 | -8.5% | 15,009 | +0.4% | 0.00% | -100.0% |
| Q4 2020 | $300,484,000 | +1.0% | 14,942 | -5.9% | 0.00% | – |
| Q3 2020 | $297,656,000 | +524.5% | 15,875 | +648.1% | 0.00% | – |
| Q2 2020 | $47,660,000 | -77.4% | 2,122 | -85.1% | 0.00% | – |
| Q1 2020 | $211,054,000 | -24.4% | 14,222 | -1.7% | 0.00% | -100.0% |
| Q4 2019 | $279,126,000 | +11.1% | 14,470 | +14.2% | 0.00% | – |
| Q3 2019 | $251,167,000 | +200.2% | 12,666 | +219.5% | 0.00% | – |
| Q2 2019 | $83,680,000 | -44.3% | 3,964 | -46.1% | 0.00% | – |
| Q1 2019 | $150,181,000 | +53728.3% | 7,351 | +52407.1% | 0.00% | – |
| Q4 2018 | $279,000 | -98.8% | 14 | -98.8% | 0.00% | – |
| Q3 2018 | $23,242,000 | +26.1% | 1,208 | 0.0% | 0.00% | – |
| Q2 2018 | $18,434,000 | -91.6% | 1,208 | -89.7% | 0.00% | – |
| Q1 2018 | $220,556,000 | -21.9% | 11,763 | -19.9% | 0.00% | -100.0% |
| Q4 2017 | $282,539,000 | -11.9% | 14,685 | -18.2% | 0.00% | 0.0% |
| Q3 2017 | $320,695,000 | +70.3% | 17,946 | +70.2% | 0.00% | 0.0% |
| Q2 2017 | $188,334,000 | +94.9% | 10,545 | +58.2% | 0.00% | – |
| Q1 2017 | $96,643,000 | -29.2% | 6,665 | -10.1% | 0.00% | -100.0% |
| Q4 2016 | $136,529,000 | +45.2% | 7,412 | +49.6% | 0.00% | – |
| Q3 2016 | $94,015,000 | +322.9% | 4,956 | +259.4% | 0.00% | – |
| Q2 2016 | $22,229,000 | -74.4% | 1,379 | -77.4% | 0.00% | – |
| Q4 2015 | $86,774,000 | +9.6% | 6,098 | -10.0% | 0.00% | – |
| Q3 2015 | $79,188,000 | +70.4% | 6,774 | +156.3% | 0.00% | – |
| Q2 2015 | $46,464,000 | +1286.6% | 2,643 | +1079.9% | 0.00% | – |
| Q1 2015 | $3,351,000 | – | 224 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| LAM GROUP, INC. | 130,250 | $3,649,605 | 3.75% |
| SHAKER INVESTMENTS LLC/OH | 81,287 | $2,277,662 | 1.41% |
| Mesirow Institutional Investment Management, Inc. | 374,414 | $10,491,080 | 1.38% |
| OBERWEIS ASSET MANAGEMENT INC/ | 134,000 | $3,754,680 | 0.80% |
| Portolan Capital Management | 270,791 | $7,587,564 | 0.75% |
| Hillsdale Investment Management Inc. | 172,238 | $4,826,109 | 0.41% |
| Capital Impact Advisors, LLC | 14,669 | $411,025 | 0.40% |
| Watershed Asset Management, L.L.C. | 9,555 | $267,731 | 0.34% |
| Quantedge Capital Pte Ltd | 35,153 | $984,987 | 0.33% |
| FEDERATED HERMES, INC. | 3,284,217 | $92,023,760 | 0.25% |