PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 272 filers reported holding PROTO LABS INC in Q4 2018. The put-call ratio across all filers is 0.89 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $5,000 | -37.5% | 103 | -27.5% | 0.00% | +100.0% |
| Q1 2022 | $8,000 | +166.7% | 142 | +132.8% | 0.00% | +100.0% |
| Q4 2021 | $3,000 | -70.0% | 61 | -60.6% | 0.00% | -50.0% |
| Q3 2021 | $10,000 | -41.2% | 155 | -16.2% | 0.00% | -50.0% |
| Q2 2021 | $17,000 | -26.1% | 185 | 0.0% | 0.00% | -33.3% |
| Q1 2021 | $23,000 | +228.6% | 185 | +311.1% | 0.01% | +500.0% |
| Q4 2020 | $7,000 | -70.8% | 45 | -75.7% | 0.00% | -80.0% |
| Q3 2020 | $24,000 | +14.3% | 185 | 0.0% | 0.01% | 0.0% |
| Q2 2020 | $21,000 | +10.5% | 185 | -25.4% | 0.01% | 0.0% |
| Q1 2020 | $19,000 | +1800.0% | 248 | +1553.3% | 0.01% | – |
| Q4 2019 | $1,000 | -66.7% | 15 | -51.6% | 0.00% | -100.0% |
| Q3 2019 | $3,000 | 0.0% | 31 | +29.2% | 0.00% | 0.0% |
| Q2 2019 | $3,000 | 0.0% | 24 | -20.0% | 0.00% | 0.0% |
| Q1 2019 | $3,000 | -40.0% | 30 | -33.3% | 0.00% | 0.0% |
| Q4 2018 | $5,000 | +66.7% | 45 | +125.0% | 0.00% | 0.0% |
| Q3 2018 | $3,000 | +50.0% | 20 | -16.7% | 0.00% | – |
| Q2 2018 | $2,000 | -83.3% | 24 | -75.8% | 0.00% | -100.0% |
| Q1 2018 | $12,000 | +20.0% | 99 | +1.0% | 0.00% | +50.0% |
| Q4 2017 | $10,000 | – | 98 | – | 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% |