STAAR SURGICAL CO's ticker is and the CUSIP is 852312955. A total of 3 filers reported holding STAAR SURGICAL CO in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $4,130 | +141.8% | 102,800 | +216.3% | 0.00% | +200.0% |
| Q2 2023 | $1,708 | -24.1% | 32,500 | -7.7% | 0.00% | -50.0% |
| Q1 2023 | $2,251 | -16.9% | 35,200 | -36.9% | 0.00% | -33.3% |
| Q4 2022 | $2,708 | -99.6% | 55,800 | +506.5% | 0.00% | +200.0% |
| Q3 2022 | $649,000 | +227.8% | 9,200 | +228.6% | 0.00% | – |
| Q2 2022 | $198,000 | -91.1% | 2,800 | -90.0% | 0.00% | -100.0% |
| Q1 2022 | $2,229,000 | +275.9% | 27,900 | +329.2% | 0.00% | +100.0% |
| Q4 2021 | $593,000 | -87.6% | 6,500 | -79.4% | 0.00% | -75.0% |
| Q3 2021 | $4,775,000 | +52.8% | 31,600 | +54.1% | 0.00% | +33.3% |
| Q2 2021 | $3,126,000 | +559.5% | 20,500 | +45455.6% | 0.00% | +200.0% |
| Q1 2021 | $474,000 | +11.0% | 45 | -16.7% | 0.00% | 0.0% |
| Q4 2020 | $427,000 | -6.8% | 54 | -33.3% | 0.00% | 0.0% |
| Q3 2020 | $458,000 | -79.0% | 81 | -77.2% | 0.00% | -66.7% |
| Q2 2020 | $2,184,000 | +1735.3% | 355 | +859.5% | 0.00% | – |
| Q1 2020 | $119,000 | +164.4% | 37 | +184.6% | 0.00% | – |
| Q4 2019 | $45,000 | -79.6% | 13 | -84.9% | 0.00% | -100.0% |
| Q3 2019 | $221,000 | +245.3% | 86 | +290.9% | 0.00% | – |
| Q2 2019 | $64,000 | -66.5% | 22 | -60.7% | 0.00% | -100.0% |
| Q1 2019 | $191,000 | +582.1% | 56 | -88.5% | 0.00% | -50.0% |
| Q4 2016 | $28,000 | +2700.0% | 489 | +9680.0% | 0.00% | – |
| Q2 2015 | $1,000 | -80.0% | 5 | -80.0% | 0.00% | -100.0% |
| Q4 2014 | $5,000 | – | 25 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 54 | $427,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 1,300 | $103,000 | 0.00% |