PROTO LABS INC's ticker is and the CUSIP is 743713909. A total of 4 filers reported holding PROTO LABS INC in Q1 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $414,000 | – | 2,700 | – | 0.02% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HBK INVESTMENTS L P | 6,400 | $779,000 | 0.00% |
| SIMPLEX TRADING, LLC | 118 | $1,436,000 | 0.00% |
| GROUP ONE TRADING, L.P. | 18,600 | $2,265,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |