STAMPS COM INC's ticker is and the CUSIP is 852857900. A total of 3 filers reported holding STAMPS COM INC in Q3 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2018 | $176,000 | – | 15 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 55,200 | $12,486,000 | 0.10% |
| SIMPLEX TRADING, LLC | 95 | $2,148,000 | 0.01% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |