PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 305 filers reported holding PROTO LABS INC in Q4 2020. The put-call ratio across all filers is 0.34 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $0 | -100.0% | 3 | -99.8% | 0.00% | -100.0% |
| Q3 2021 | $97,000 | -26.5% | 1,454 | +1.0% | 0.01% | -27.3% |
| Q2 2021 | $132,000 | -22.8% | 1,440 | +2.3% | 0.01% | -26.7% |
| Q1 2021 | $171,000 | -62.2% | 1,407 | -52.3% | 0.02% | -65.1% |
| Q4 2020 | $452,000 | +80.8% | 2,949 | +52.7% | 0.04% | +59.3% |
| Q3 2020 | $250,000 | +96.9% | 1,931 | +15.4% | 0.03% | +68.8% |
| Q1 2020 | $127,000 | -19.1% | 1,674 | +8.1% | 0.02% | 0.0% |
| Q4 2019 | $157,000 | +10.6% | 1,549 | +11.2% | 0.02% | +6.7% |
| Q3 2019 | $142,000 | +2.9% | 1,393 | +17.2% | 0.02% | 0.0% |
| Q2 2019 | $138,000 | +20.0% | 1,189 | +8.2% | 0.02% | -48.3% |
| Q1 2019 | $115,000 | +2775.0% | 1,099 | +3334.4% | 0.03% | +2800.0% |
| Q4 2018 | $4,000 | -100.0% | 32 | -94.6% | 0.00% | -80.0% |
| Q4 2016 | $31,000,000 | +46168.7% | 598 | -46.5% | 0.01% | -58.3% |
| Q3 2016 | $67,000 | +509.1% | 1,117 | +534.7% | 0.01% | +200.0% |
| Q2 2015 | $11,000 | +120.0% | 176 | +141.1% | 0.00% | +100.0% |
| Q1 2015 | $5,000 | 0.0% | 73 | 0.0% | 0.00% | 0.0% |
| Q4 2014 | $5,000 | -93.4% | 73 | -93.3% | 0.00% | -86.7% |
| Q3 2014 | $76,000 | – | 1,097 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| DISCIPLINED GROWTH INVESTORS INC /MN | 1,182,213 | $78,735,000 | 1.56% |
| Brown Capital Management | 1,773,887 | $118,141,000 | 0.97% |
| Capital Investment Services of America, Inc. | 110,441 | $7,355,000 | 0.70% |
| GAGNON SECURITIES LLC | 58,725 | $3,911,000 | 0.58% |
| Granite Investment Partners, LLC | 274,461 | $18,279,000 | 0.57% |
| Nikko Asset Management Americas, Inc. | 1,958,029 | $130,561,000 | 0.56% |
| RIVERBRIDGE PARTNERS LLC | 655,945 | $43,686,000 | 0.44% |
| ARK Investment Management | 2,619,323 | $174,447,000 | 0.42% |
| BENDER ROBERT & ASSOCIATES | 20,385 | $1,358,000 | 0.39% |
| OCCUDO QUANTITATIVE STRATEGIES LP | 43,196 | $2,877,000 | 0.34% |