Mairs & Power Growth Fund

Holding/activity history for  Proto Labs Inc. (PRLB)

PeriodShares% of PortfolioActivity% Change to PortfolioReported Price
2021   Q4 0 0 Sell 100.00% 0.07
2021   Q3 58,000 0.07 Reduce 53.60% 0.08 $66.60
2021   Q2 125,000 0.21 Add 38.89% 0.06 $91.80
2021   Q1 90,000 0.22 Reduce 16.67% 0.04 $121.76
2020   Q4 108,000 0.34 $153.40
2020   Q3 108,000 0.32 $129.50
2020   Q2 108,000 0.29 $112.47
2020   Q1 108,000 0.23 $76.13
2019   Q4 108,000 0.24 $101.55
2019   Q3 108,000 0.26 $102.10
2019   Q2 108,000 0.29 $116.02
2019   Q1 108,000 0.26 Reduce 24.48% 0.08 $105.14
2018   Q4 143,000 0.42 $112.79
2018   Q3 143,000 0.51 Reduce 15.88% 0.10 $161.75
2018   Q2 170,000 0.47 Reduce 20.93% 0.12 $118.95
2018   Q1 215,000 0.58 Reduce 4.44% 0.03 $117.55
2017   Q4 225,000 0.50 Reduce 27.42% 0.19 $103.00
2017   Q3 310,000 0.57 Reduce 3.13% 0.02 $80.30
2017   Q2 320,000 0.47 Add 28.00% 0.10 $67.25
2017   Q1 250,000 0.28 $51.10
2016   Q4 250,000 0.30 $51.35
2016   Q3 250,000 0.35 Add 8.70% 0.03 $59.91
2016   Q2 230,000 0.32 Add 43.75% 0.10 $57.56
2016   Q1 160,000 0.31 Add 6.67% 0.02 $77.09
2015   Q4 150,000 0.25 Buy 0.25 $63.69