Granahan Investment Management Proto Labs Inc ownership

Proto Labs Inc's ticker is PRLB and the CUSIP is 743713109. A total of 242 filers reported holding Proto Labs Inc in Q4 2021. The put-call ratio across all filers is 1.34 and the average weighting 0.1%.

Granahan Investment Management ownership history of Proto Labs Inc
ValueSharesWeighting
Q3 2021$3,104
-2.2%
46,611
+34.8%
0.06%0.0%
Q2 2021$3,173
+22.8%
34,566
+62.8%
0.06%
+7.3%
Q1 2021$2,584
-11.7%
21,227
+11.3%
0.06%
-16.7%
Q4 2020$2,925
+12.8%
19,065
-4.8%
0.07%
-25.0%
Q3 2020$2,594
-9.3%
20,030
-21.2%
0.09%
-14.6%
Q2 2020$2,860
+48.3%
25,430
+0.4%
0.10%
-1.0%
Q1 2020$1,929
-17.0%
25,335
+10.6%
0.10%
-2.8%
Q4 2019$2,325
+0.7%
22,898
+1.3%
0.11%
-15.7%
Q3 2019$2,308
-12.0%
22,6080.0%0.13%
-2.3%
Q2 2019$2,623
+0.4%
22,608
-9.0%
0.13%
-7.1%
Q1 2019$2,613
-0.6%
24,850
+6.7%
0.14%
-24.7%
Q4 2018$2,628
-30.3%
23,3000.0%0.19%
-8.8%
Q3 2018$3,769
+15.2%
23,300
-15.3%
0.20%
+3.6%
Q2 2018$3,271
+2.1%
27,500
+0.9%
0.20%
-14.7%
Q1 2018$3,203
+0.6%
27,250
-11.8%
0.23%
-7.6%
Q4 2017$3,183
-5.0%
30,900
-25.9%
0.25%
-10.4%
Q3 2017$3,349
+3.7%
41,700
-13.1%
0.28%
-6.4%
Q2 2017$3,228
+31.6%
48,0000.0%0.30%
+21.1%
Q1 2017$2,453
-47.8%
48,000
-47.5%
0.25%
+52.8%
Q4 2016$4,696
-31.3%
91,450
-19.8%
0.16%
-28.1%
Q3 2016$6,833
+12.6%
114,050
+8.2%
0.22%
+1.4%
Q2 2016$6,070
-18.8%
105,450
+8.7%
0.22%
-18.8%
Q1 2016$7,478
+9.7%
97,000
-9.3%
0.27%
+16.2%
Q4 2015$6,815
+4.0%
107,000
+9.4%
0.23%
+15.3%
Q3 2015$6,553
+29.9%
97,800
+30.8%
0.20%
+42.0%
Q2 2015$5,045
-33.9%
74,765
-31.5%
0.14%
-34.7%
Q1 2015$7,637
+315.5%
109,098
+322.6%
0.22%
+366.0%
Q4 2013$1,838
-61.4%
25,815
-58.6%
0.05%
-62.7%
Q3 2013$4,760
+124.0%
62,310
+90.5%
0.13%
+106.6%
Q2 2013$2,12532,7100.06%