IROBOT CORP's ticker is and the CUSIP is 462726900. A total of 4 filers reported holding IROBOT CORP in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $14,830,000 | -70.0% | 225,100 | -64.3% | 0.00% | -66.7% |
| Q3 2021 | $49,479,000 | +83.6% | 630,300 | +118.5% | 0.01% | +100.0% |
| Q2 2021 | $26,943,000 | +182.0% | 288,500 | +268.9% | 0.00% | +200.0% |
| Q1 2021 | $9,554,000 | +882.9% | 78,200 | +546.3% | 0.00% | – |
| Q4 2020 | $972,000 | -61.6% | 12,100 | -75.8% | 0.00% | – |
| Q4 2019 | $2,532,000 | -34.0% | 50,000 | 0.0% | 0.00% | -100.0% |
| Q3 2017 | $3,834,000 | – | 50,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 56,400 | $2,310,000 | 0.04% |
| Timber Hill LLC | 65,000 | $2,662,000 | 0.01% |
| Citadel Advisors | 93,400 | $3,825,000 | 0.00% |