PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 201 filers reported holding PROTO LABS INC in Q4 2016. The put-call ratio across all filers is 1.56 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $2,461,000 | +29.4% | 47,931 | +51.0% | 0.00% | 0.0% |
| Q3 2016 | $1,902,000 | +13.6% | 31,736 | +9.1% | 0.00% | 0.0% |
| Q2 2016 | $1,675,000 | -18.3% | 29,098 | +9.4% | 0.00% | 0.0% |
| Q1 2016 | $2,051,000 | +363.0% | 26,602 | +282.8% | 0.00% | – |
| Q4 2015 | $443,000 | -6.9% | 6,949 | -2.3% | 0.00% | – |
| Q3 2015 | $476,000 | +25.3% | 7,113 | +26.2% | 0.00% | – |
| Q2 2015 | $380,000 | +17.6% | 5,636 | +22.2% | 0.00% | – |
| Q1 2015 | $323,000 | +24.7% | 4,611 | +19.9% | 0.00% | – |
| Q4 2014 | $259,000 | +5.7% | 3,846 | +8.1% | 0.00% | – |
| Q3 2014 | $245,000 | +26.9% | 3,559 | +51.4% | 0.00% | – |
| Q2 2014 | $193,000 | -59.1% | 2,350 | -66.3% | 0.00% | – |
| Q1 2014 | $472,000 | +10.8% | 6,968 | +16.4% | 0.00% | – |
| Q4 2013 | $426,000 | +71.8% | 5,986 | +84.3% | 0.00% | – |
| Q3 2013 | $248,000 | +335.1% | 3,248 | +269.9% | 0.00% | – |
| Q2 2013 | $57,000 | – | 878 | – | 0.00% | – |
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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% |