PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 207 filers reported holding PROTO LABS INC in Q3 2017. The put-call ratio across all filers is 1.21 and the average weighting 0.2%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Abdiel Capital Advisors | 923,508 | $55,327,000 | 16.27% |
| Quantum Capital Management, LLC / NJ | 271,772 | $16,282,000 | 5.14% |
| Crestwood Capital Management, L.P. | 275,600 | $16,511,000 | 4.87% |
| Brown Capital Management | 3,012,802 | $180,497,000 | 2.65% |
| RIVERBRIDGE PARTNERS LLC | 1,902,885 | $114,002,000 | 2.28% |
| Conestoga Capital Advisors, LLC | 536,946 | $32,168,000 | 2.20% |
| Capital Investment Services of America, Inc. | 174,257 | $10,440,000 | 1.99% |
| BENDER ROBERT & ASSOCIATES | 41,905 | $2,511,000 | 1.66% |
| Redmond Asset Management, LLC | 43,532 | $2,608,000 | 1.28% |
| Stephens Investment Management Group LLC | 578,329 | $34,648,000 | 1.03% |