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 | $382,950 | -23.6% | 5,750 | +5.3% | 0.01% | -26.3% |
| Q2 2021 | $501,044 | -17.4% | 5,458 | +9.6% | 0.02% | -26.9% |
| Q1 2021 | $606,559 | -5.4% | 4,982 | +19.2% | 0.03% | -21.2% |
| Q4 2020 | $641,059 | +97.3% | 4,179 | +66.6% | 0.03% | +73.7% |
| Q3 2020 | $324,916 | +139.9% | 2,509 | +108.4% | 0.02% | +111.1% |
| Q2 2020 | $135,414 | +429.4% | 1,204 | +258.3% | 0.01% | +350.0% |
| Q1 2020 | $25,580 | +403.7% | 336 | +572.0% | 0.00% | – |
| Q4 2019 | $5,078 | -7.9% | 50 | -7.4% | 0.00% | – |
| Q3 2019 | $5,513 | -12.0% | 54 | 0.0% | 0.00% | -100.0% |
| Q2 2019 | $6,265 | +19.2% | 54 | +8.0% | 0.00% | – |
| Q1 2019 | $5,257 | -6.8% | 50 | 0.0% | 0.00% | -100.0% |
| Q4 2018 | $5,640 | -30.3% | 50 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $8,088 | +36.0% | 50 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $5,948 | +1.2% | 50 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $5,878 | +14.1% | 50 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $5,150 | – | 50 | – | 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% |