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 ↓ |
|---|---|---|---|
| Gs Investments, Inc. | 91,570 | $6,158,083,000 | 4.61% |
| Quantum Capital Management, LLC / NJ | 156,285 | $10,510,000 | 3.20% |
| Brown Capital Management | 3,807,888 | $256,080,000 | 3.14% |
| ARK Investment Management | 207,577 | $13,960,000 | 2.72% |
| RIVERBRIDGE PARTNERS LLC | 1,967,865 | $132,339,000 | 2.53% |
| Capital Investment Services of America, Inc. | 146,104 | $9,825,000 | 1.69% |
| Crestwood Capital Management, L.P. | 48,600 | $3,268,000 | 1.68% |
| Conestoga Capital Advisors, LLC | 448,818 | $30,183,000 | 1.57% |
| DISCIPLINED GROWTH INVESTORS INC /MN | 965,215 | $64,911,000 | 1.35% |
| BENDER ROBERT & ASSOCIATES | 32,382 | $2,178,000 | 1.34% |