PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 272 filers reported holding PROTO LABS INC in Q4 2018. The put-call ratio across all filers is 0.89 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $661,000 | -20.6% | 5,430 | 0.0% | 0.03% | -24.3% |
| Q4 2020 | $833,000 | +13.0% | 5,430 | -4.6% | 0.04% | -2.6% |
| Q3 2020 | $737,000 | +15.2% | 5,690 | 0.0% | 0.04% | +2.7% |
| Q2 2020 | $640,000 | +47.8% | 5,690 | 0.0% | 0.04% | +5.7% |
| Q1 2020 | $433,000 | -25.1% | 5,690 | 0.0% | 0.04% | 0.0% |
| Q4 2019 | $578,000 | -0.5% | 5,690 | 0.0% | 0.04% | -10.3% |
| Q3 2019 | $581,000 | -12.0% | 5,690 | 0.0% | 0.04% | -7.1% |
| Q2 2019 | $660,000 | +10.4% | 5,690 | 0.0% | 0.04% | +2.4% |
| Q1 2019 | $598,000 | -6.9% | 5,690 | 0.0% | 0.04% | -21.2% |
| Q4 2018 | $642,000 | -30.2% | 5,690 | 0.0% | 0.05% | -18.8% |
| Q3 2018 | $920,000 | +35.7% | 5,690 | -0.2% | 0.06% | +16.4% |
| Q2 2018 | $678,000 | – | 5,700 | – | 0.06% | – |
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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% |