PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 243 filers reported holding PROTO LABS INC in Q2 2019. The put-call ratio across all filers is 2.54 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 ↓ |
|---|---|---|---|
| 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% |