PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 236 filers reported holding PROTO LABS INC in Q4 2017. The put-call ratio across all filers is 1.14 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $3,213,000 | +17.3% | 40,020 | -1.7% | 0.01% | +22.2% |
| Q2 2017 | $2,738,000 | +33.6% | 40,720 | +1.5% | 0.01% | +50.0% |
| Q1 2017 | $2,050,000 | +63.5% | 40,120 | +64.3% | 0.01% | +50.0% |
| Q4 2016 | $1,254,000 | +375.0% | 24,420 | +455.0% | 0.00% | +300.0% |
| Q3 2016 | $264,000 | +52.6% | 4,400 | +46.7% | 0.00% | 0.0% |
| Q2 2016 | $173,000 | – | 3,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Cupps Capital Management, LLC | 645,795 | $49,332,000 | 3.20% |
| FLOOD GAMBLE ASSOCIATES INC | 71,875 | $6,027,000 | 2.98% |
| Conestoga Capital Advisors, LLC | 434,642 | $33,202,000 | 2.84% |
| Lisanti Capital Growth, LLC | 67,155 | $5,130,000 | 2.34% |
| Timpani Capital Management LLC | 50,334 | $3,845,000 | 2.27% |
| Summit Creek Advisors LLC | 160,231 | $12,240,000 | 2.18% |
| Assured Investment Management LLC | 690,692 | $52,762,000 | 2.04% |
| ARBOR CAPITAL MANAGEMENT LLC | 298,515 | $23,577,000 | 2.02% |
| COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT | 589,728 | $45,049,000 | 2.01% |
| RIVERBRIDGE PARTNERS LLC | 1,200,028 | $91,670,000 | 1.99% |