PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 187 filers reported holding PROTO LABS INC in Q1 2017. The put-call ratio across all filers is 0.79 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $213,000 | +0.9% | 1,387 | +6.3% | 0.08% | +1.4% |
| Q3 2018 | $211,000 | -10.6% | 1,305 | -34.9% | 0.07% | -14.9% |
| Q1 2018 | $236,000 | +14.0% | 2,005 | 0.0% | 0.09% | +14.5% |
| Q4 2017 | $207,000 | -52.8% | 2,005 | -63.3% | 0.08% | +7500.0% |
| Q3 2017 | $439,000 | +10.9% | 5,470 | -7.2% | 0.00% | -99.4% |
| Q2 2017 | $396,000 | +25.7% | 5,895 | -4.5% | 0.16% | +21.9% |
| Q1 2017 | $315,000 | +6.8% | 6,170 | +7.3% | 0.13% | +2.4% |
| Q4 2016 | $295,000 | – | 5,750 | – | 0.12% | – |
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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% |