PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 243 filers reported holding PROTO LABS INC in Q4 2021. The put-call ratio across all filers is 1.18 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $91,000 | -19.5% | 4,160 | 0.0% | 0.00% | -20.0% |
| Q2 2021 | $113,000 | – | 4,160 | +4060.0% | 0.01% | – |
| Q2 2019 | $0 | -100.0% | 100 | -96.3% | 0.00% | -100.0% |
| Q1 2019 | $32,000 | +10.3% | 2,700 | +174.4% | 0.00% | +50.0% |
| Q3 2018 | $29,000 | +38.1% | 984 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $21,000 | -16.0% | 984 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $25,000 | -94.0% | 984 | -76.3% | 0.00% | -88.2% |
| Q4 2017 | $417,000 | +2680.0% | 4,151 | +130.6% | 0.02% | +1600.0% |
| Q3 2017 | $15,000 | -50.0% | 1,800 | -80.4% | 0.00% | 0.0% |
| Q2 2017 | $30,000 | -54.5% | 9,164 | -24.5% | 0.00% | -66.7% |
| Q1 2017 | $66,000 | -65.3% | 12,134 | -12.6% | 0.00% | -57.1% |
| Q4 2016 | $190,000 | -69.2% | 13,889 | -66.6% | 0.01% | -74.1% |
| Q3 2016 | $617,000 | -55.6% | 41,605 | -20.1% | 0.03% | -62.0% |
| Q2 2016 | $1,390,000 | +2006.1% | 52,101 | +99.6% | 0.07% | +1320.0% |
| Q1 2016 | $66,000 | -24.1% | 26,100 | +66.8% | 0.01% | +25.0% |
| Q4 2015 | $87,000 | – | 15,645 | – | 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% |