STAAR SURGICAL CO's ticker is and the CUSIP is 852312955. A total of 3 filers reported holding STAAR SURGICAL CO in Q1 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,024,590 | +456.9% | 25,500 | +628.6% | 0.00% | +200.0% |
| Q2 2023 | $183,995 | -92.4% | 3,500 | -90.8% | 0.00% | -88.9% |
| Q1 2023 | $2,436,495 | +33.9% | 38,100 | +1.6% | 0.01% | +125.0% |
| Q4 2022 | $1,820,250 | -48.8% | 37,500 | -25.6% | 0.00% | -42.9% |
| Q3 2022 | $3,556,000 | +332.1% | 50,400 | +334.5% | 0.01% | +600.0% |
| Q2 2022 | $823,000 | -30.9% | 11,600 | -22.1% | 0.00% | 0.0% |
| Q1 2022 | $1,191,000 | -79.0% | 14,900 | -76.0% | 0.00% | -80.0% |
| Q4 2021 | $5,670,000 | -90.9% | 62,100 | -87.2% | 0.01% | -92.5% |
| Q3 2021 | $62,324,000 | +1071.1% | 484,900 | +1289.4% | 0.07% | +1016.7% |
| Q2 2021 | $5,322,000 | +95.7% | 34,900 | +35.3% | 0.01% | +50.0% |
| Q1 2021 | $2,720,000 | +2540.8% | 25,800 | +1884.6% | 0.00% | – |
| Q4 2020 | $103,000 | -16.9% | 1,300 | -40.9% | 0.00% | – |
| Q3 2020 | $124,000 | -98.5% | 2,200 | -98.4% | 0.00% | -100.0% |
| Q2 2020 | $8,449,000 | +1682.5% | 137,300 | +834.0% | 0.04% | +875.0% |
| Q1 2020 | $474,000 | -29.8% | 14,700 | -23.4% | 0.00% | -20.0% |
| Q4 2019 | $675,000 | +907.5% | 19,200 | +638.5% | 0.01% | +400.0% |
| Q3 2019 | $67,000 | -11.8% | 2,600 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $76,000 | -14.6% | 2,600 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $89,000 | -39.9% | 2,600 | -74.0% | 0.00% | 0.0% |
| Q1 2018 | $148,000 | -61.9% | 10,000 | -60.0% | 0.00% | -66.7% |
| Q4 2017 | $388,000 | -55.9% | 25,000 | -69.1% | 0.00% | -66.7% |
| Q4 2016 | $879,000 | +1155.7% | 81,000 | +761.7% | 0.01% | +800.0% |
| Q1 2015 | $70,000 | +18.6% | 9,400 | +44.6% | 0.00% | 0.0% |
| Q4 2014 | $59,000 | -42.7% | 6,500 | -33.0% | 0.00% | -50.0% |
| Q3 2014 | $103,000 | -82.0% | 9,700 | -71.6% | 0.00% | -77.8% |
| Q2 2014 | $573,000 | +6.9% | 34,100 | +19.6% | 0.01% | 0.0% |
| Q1 2014 | $536,000 | -43.5% | 28,500 | -51.4% | 0.01% | -35.7% |
| Q4 2013 | $949,000 | +4645.0% | 58,600 | +2830.0% | 0.01% | – |
| Q2 2013 | $20,000 | – | 2,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 34,900 | $5,322,000 | 0.01% |
| SIMPLEX TRADING, LLC | 20,500 | $3,126,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |