Aperio Group, LLC - PROTO LABS INC ownership

PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 181 filers reported holding PROTO LABS INC in Q2 2015. The put-call ratio across all filers is 1.92 and the average weighting 0.2%.

Quarter-by-quarter ownership
Aperio Group, LLC ownership history of PROTO LABS INC
ValueSharesWeighting
Q4 2020$1,374,000
+16.4%
8,956
-1.7%
0.00%0.0%
Q3 2020$1,180,000
+15.6%
9,109
+0.4%
0.00%0.0%
Q2 2020$1,021,000
+51.0%
9,076
+2.3%
0.00%
+33.3%
Q1 2020$676,000
-19.9%
8,876
+6.8%
0.00%0.0%
Q4 2019$844,000
-5.4%
8,314
-4.8%
0.00%
-25.0%
Q3 2019$892,000
-15.8%
8,737
-4.3%
0.00%0.0%
Q2 2019$1,060,000
+5.3%
9,134
-4.6%
0.00%0.0%
Q1 2019$1,007,000
-4.3%
9,576
+2.7%
0.00%
-20.0%
Q4 2018$1,052,000
-33.8%
9,324
-5.2%
0.01%
-28.6%
Q3 2018$1,590,000
+42.6%
9,831
+4.8%
0.01%
+40.0%
Q2 2018$1,115,000
+11.3%
9,377
+10.0%
0.01%0.0%
Q1 2018$1,002,000
+20.1%
8,527
+5.3%
0.01%
+25.0%
Q4 2017$834,000
+40.4%
8,097
+9.4%
0.00%
+33.3%
Q3 2017$594,000
+28.3%
7,402
+7.6%
0.00%0.0%
Q2 2017$463,000
+78.1%
6,882
+35.3%
0.00%
+50.0%
Q1 2017$260,000
-4.4%
5,087
-4.1%
0.00%0.0%
Q4 2016$272,000
+27.7%
5,306
+49.5%
0.00%0.0%
Q3 2016$213,000
-21.7%
3,550
+0.5%
0.00%0.0%
Q1 2016$272,000
+19.8%
3,531
-0.8%
0.00%0.0%
Q4 2015$227,000
+8.1%
3,558
+13.5%
0.00%0.0%
Q3 2015$210,000
+2.9%
3,134
+3.4%
0.00%0.0%
Q2 2015$204,000
+1.0%
3,030
+4.9%
0.00%0.0%
Q1 2015$202,000
-4.7%
2,889
-8.6%
0.00%
-33.3%
Q4 2014$212,000
+4.4%
3,161
+7.2%
0.00%0.0%
Q3 2014$203,000
-9.4%
2,949
+7.6%
0.00%0.0%
Q2 2014$224,0002,7400.00%
Other shareholders
PROTO LABS INC shareholders Q2 2015
NameSharesValueWeighting ↓
Cupps Capital Management, LLC 645,795$49,332,0003.20%
FLOOD GAMBLE ASSOCIATES INC 71,875$6,027,0002.98%
Conestoga Capital Advisors, LLC 434,642$33,202,0002.84%
Lisanti Capital Growth, LLC 67,155$5,130,0002.34%
Timpani Capital Management LLC 50,334$3,845,0002.27%
Summit Creek Advisors LLC 160,231$12,240,0002.18%
Assured Investment Management LLC 690,692$52,762,0002.04%
ARBOR CAPITAL MANAGEMENT LLC 298,515$23,577,0002.02%
COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT 589,728$45,049,0002.01%
RIVERBRIDGE PARTNERS LLC 1,200,028$91,670,0001.99%
View complete list of PROTO LABS INC shareholders