PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 253 filers reported holding PROTO LABS INC in Q1 2018. The put-call ratio across all filers is 0.88 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $91,000 | -20.9% | 750 | 0.0% | 0.00% | -33.3% |
| Q4 2020 | $115,000 | +26.4% | 750 | +7.1% | 0.01% | -25.0% |
| Q3 2020 | $91,000 | +11.0% | 700 | -3.8% | 0.01% | +14.3% |
| Q2 2020 | $82,000 | +13.9% | 728 | -21.6% | 0.01% | -12.5% |
| Q1 2020 | $72,000 | -2.7% | 928 | +27.5% | 0.01% | +14.3% |
| Q4 2019 | $74,000 | +37.0% | 728 | +37.9% | 0.01% | +16.7% |
| Q3 2019 | $54,000 | -11.5% | 528 | +1.0% | 0.01% | -14.3% |
| Q2 2019 | $61,000 | +10.9% | 523 | 0.0% | 0.01% | 0.0% |
| Q1 2019 | $55,000 | -6.8% | 523 | 0.0% | 0.01% | -12.5% |
| Q4 2018 | $59,000 | -4.8% | 523 | 0.0% | 0.01% | 0.0% |
| Q3 2018 | $62,000 | -11.4% | 523 | 0.0% | 0.01% | -20.0% |
| Q2 2018 | $70,000 | +14.8% | 523 | 0.0% | 0.01% | 0.0% |
| Q1 2018 | $61,000 | +13.0% | 523 | 0.0% | 0.01% | +11.1% |
| Q4 2017 | $54,000 | +28.6% | 523 | 0.0% | 0.01% | -10.0% |
| Q3 2017 | $42,000 | – | 523 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Brown Capital Management | 3,704,897 | $568,331,000 | 3.93% |
| RIVERBRIDGE PARTNERS LLC | 1,358,899 | $208,455,000 | 2.30% |
| DISCIPLINED GROWTH INVESTORS INC /MN | 621,477 | $95,335,000 | 1.84% |
| Capital Investment Services of America, Inc. | 112,898 | $17,319,000 | 1.81% |
| ARK Investment Management | 4,119,922 | $631,996,000 | 1.68% |
| PREMIER ASSET MANAGEMENT LLC | 52,830 | $8,104,000 | 1.66% |
| GAGNON SECURITIES LLC | 59,033 | $9,056,000 | 1.44% |
| Nikko Asset Management Americas, Inc. | 1,590,666 | $244,008,000 | 1.39% |
| Pembroke Management, LTD | 102,635 | $15,744,000 | 1.32% |
| FCF Advisors LLC | 13,068 | $2,254,000 | 1.31% |