AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 204 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2022. The put-call ratio across all filers is 16.41 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $25,672,032 | -21.2% | 558,209 | -1.5% | 0.00% | 0.0% |
| Q2 2023 | $32,574,858 | +67.0% | 566,815 | +9.0% | 0.00% | +50.0% |
| Q1 2023 | $19,501,615 | +15.4% | 520,043 | -13.8% | 0.00% | 0.0% |
| Q4 2022 | $16,897,406 | -15.4% | 603,048 | -15.1% | 0.00% | -33.3% |
| Q3 2022 | $19,962,000 | -30.6% | 710,384 | -14.1% | 0.00% | -25.0% |
| Q2 2022 | $28,763,000 | +42.5% | 826,791 | +47.0% | 0.00% | +33.3% |
| Q1 2022 | $20,188,000 | +40.1% | 562,395 | -9.1% | 0.00% | +50.0% |
| Q4 2021 | $14,411,000 | +46.5% | 618,742 | +19.6% | 0.00% | +100.0% |
| Q3 2021 | $9,837,000 | +17.8% | 517,435 | +24.9% | 0.00% | 0.0% |
| Q2 2021 | $8,350,000 | +33.4% | 414,225 | +21.3% | 0.00% | 0.0% |
| Q1 2021 | $6,258,000 | -6.3% | 341,600 | +2.9% | 0.00% | 0.0% |
| Q4 2020 | $6,676,000 | +267.6% | 331,908 | +242.7% | 0.00% | – |
| Q3 2020 | $1,816,000 | -33.9% | 96,838 | -20.8% | 0.00% | -100.0% |
| Q2 2020 | $2,746,000 | -21.1% | 122,281 | -47.9% | 0.00% | 0.0% |
| Q1 2020 | $3,482,000 | +6.1% | 234,619 | +38.0% | 0.00% | 0.0% |
| Q4 2019 | $3,281,000 | +38.6% | 170,068 | +42.4% | 0.00% | 0.0% |
| Q3 2019 | $2,367,000 | -28.9% | 119,407 | -24.3% | 0.00% | 0.0% |
| Q2 2019 | $3,328,000 | -56.7% | 157,644 | -58.1% | 0.00% | -50.0% |
| Q1 2019 | $7,684,000 | +87.4% | 376,127 | +82.6% | 0.00% | +100.0% |
| Q4 2018 | $4,100,000 | -8.9% | 206,015 | -11.9% | 0.00% | 0.0% |
| Q3 2018 | $4,499,000 | +60.4% | 233,864 | +27.3% | 0.00% | 0.0% |
| Q2 2018 | $2,804,000 | -22.5% | 183,720 | -4.8% | 0.00% | 0.0% |
| Q1 2018 | $3,619,000 | +46.8% | 193,011 | +50.6% | 0.00% | 0.0% |
| Q4 2017 | $2,466,000 | +157.7% | 128,203 | +139.3% | 0.00% | – |
| Q3 2017 | $957,000 | -55.1% | 53,578 | -55.2% | 0.00% | -100.0% |
| Q2 2017 | $2,133,000 | -23.9% | 119,464 | -38.3% | 0.00% | – |
| Q1 2017 | $2,804,000 | -48.2% | 193,552 | -34.1% | 0.00% | -100.0% |
| Q4 2016 | $5,408,000 | +66.0% | 293,750 | +71.1% | 0.00% | 0.0% |
| Q3 2016 | $3,257,000 | +323.0% | 171,710 | +259.3% | 0.00% | – |
| Q2 2016 | $770,000 | +64.2% | 47,794 | +22.3% | 0.00% | – |
| Q1 2016 | $469,000 | -22.1% | 39,078 | -7.7% | 0.00% | – |
| Q4 2015 | $602,000 | +1670.6% | 42,349 | +1396.4% | 0.00% | – |
| Q3 2015 | $34,000 | -83.1% | 2,830 | -75.2% | 0.00% | – |
| Q2 2015 | $201,000 | -83.6% | 11,423 | -86.0% | 0.00% | – |
| Q1 2015 | $1,224,000 | +302.6% | 81,815 | +212.7% | 0.00% | – |
| Q4 2014 | $304,000 | -62.3% | 26,160 | -62.2% | 0.00% | – |
| Q3 2014 | $806,000 | – | 69,160 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| FRIESS ASSOCIATES LLC | 97,760 | $3,401,000 | 5.68% |
| Nantahala Capital Management | 1,000,000 | $34,790,000 | 1.74% |
| MESIROW FINANCIAL INVESTMENT MANAGEMENT - Fixed Income | 341,294 | $11,874,000 | 1.52% |
| Portolan Capital Management | 274,889 | $9,563,000 | 0.96% |
| Quantedge Capital Pte Ltd | 121,500 | $4,227,000 | 0.85% |
| SHAKER INVESTMENTS LLC/OH | 37,117 | $1,291,000 | 0.82% |
| GLOBEFLEX CAPITAL L P | 72,253 | $2,514,000 | 0.61% |
| EAM Investors, LLC | 68,855 | $2,395,000 | 0.58% |
| Hillsdale Investment Management Inc. | 197,738 | $6,879,000 | 0.55% |
| Capital Impact Advisors, LLC | 13,835 | $481,000 | 0.44% |