PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 195 filers reported holding PROTO LABS INC in Q2 2017. The put-call ratio across all filers is 0.70 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2020 | $15,000 | -25.0% | 200 | 0.0% | 0.01% | +100.0% |
| Q4 2019 | $20,000 | -71.8% | 200 | -71.4% | 0.00% | -77.8% |
| Q3 2019 | $71,000 | +102.9% | 700 | +133.3% | 0.02% | +80.0% |
| Q2 2019 | $35,000 | +59.1% | 300 | +50.0% | 0.01% | +42.9% |
| Q4 2018 | $22,000 | -87.4% | 200 | -88.2% | 0.01% | -82.5% |
| Q4 2017 | $175,000 | -46.5% | 1,700 | -73.4% | 0.04% | +5.3% |
| Q1 2017 | $327,000 | +610.9% | 6,400 | +700.0% | 0.04% | +533.3% |
| Q2 2016 | $46,000 | – | 800 | – | 0.01% | – |
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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% |