PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 268 filers reported holding PROTO LABS INC in Q3 2018. The put-call ratio across all filers is 1.05 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $1,372,000 | +586.0% | 8,480 | +226.5% | 0.01% | +550.0% |
| Q1 2016 | $200,000 | -9.9% | 2,597 | -25.5% | 0.00% | 0.0% |
| Q4 2015 | $222,000 | +3.7% | 3,486 | +9.1% | 0.00% | 0.0% |
| Q3 2015 | $214,000 | -5.7% | 3,195 | -4.9% | 0.00% | +100.0% |
| Q2 2015 | $227,000 | -12.0% | 3,358 | -8.7% | 0.00% | -50.0% |
| Q1 2015 | $258,000 | +13.7% | 3,679 | +8.9% | 0.00% | +100.0% |
| Q4 2014 | $227,000 | – | 3,377 | – | 0.00% | – |
Download | ||||||
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% |