DENVER INVESTMENT ADVISORS LLC - PROTO LABS INC ownership

PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 196 filers reported holding PROTO LABS INC in Q3 2015. The put-call ratio across all filers is 2.43 and the average weighting 0.3%.

Quarter-by-quarter ownership
DENVER INVESTMENT ADVISORS LLC ownership history of PROTO LABS INC
ValueSharesWeighting
Q1 2018$1,018,000
-21.5%
8,657
-31.2%
0.05%
-16.9%
Q4 2017$1,297,000
+24.4%
12,589
-3.1%
0.06%
+27.5%
Q3 2017$1,043,000
-5.5%
12,990
-20.9%
0.05%
+4.1%
Q2 2017$1,104,000
+224.7%
16,420
+146.9%
0.05%
+226.7%
Q1 2017$340,000
-85.6%
6,650
-82.1%
0.02%
-86.0%
Q4 2015$2,367,000
-2.6%
37,169
+2.4%
0.11%
+0.9%
Q3 2015$2,431,000
-28.3%
36,284
-27.8%
0.11%
-15.9%
Q2 2015$3,390,000
-51.8%
50,232
-50.0%
0.13%
-45.5%
Q1 2015$7,036,000
+106.0%
100,516
+97.6%
0.23%
+110.0%
Q4 2014$3,416,000
+36.1%
50,866
+39.8%
0.11%
+34.1%
Q3 2014$2,510,000
+4.7%
36,376
+24.3%
0.08%
+12.3%
Q2 2014$2,398,000
+37.3%
29,270
+13.4%
0.07%
+43.1%
Q1 2014$1,747,000
-6.6%
25,814
-1.7%
0.05%
-3.8%
Q4 2013$1,870,000
-16.4%
26,265
-10.3%
0.05%
+10.4%
Q3 2013$2,236,000
-31.8%
29,266
-42.0%
0.05%
-36.0%
Q2 2013$3,279,00050,4640.08%
Other shareholders
PROTO LABS INC shareholders Q3 2015
NameSharesValueWeighting ↓
S Squared Technology, LLC 251,803$6,647,5993.59%
Meros Investment Management, LP 85,569$2,259,0221.23%
DISCIPLINED GROWTH INVESTORS INC /MN 1,764,397$46,580,0811.11%
GAGNON SECURITIES LLC 90,290$2,383,6560.60%
AIMZ Investment Advisors, LLC 47,699$1,259,2540.56%
HighMark Wealth Management LLC 9,945$262,5480.22%
Counterpoint Mutual Funds LLC 8,478$223,8190.19%
ALGERT GLOBAL LLC 85,125$2,2470.11%
GSA CAPITAL PARTNERS LLP 42,820$1,1300.10%
CAXTON ASSOCIATES LP 22,220$586,6080.08%
View complete list of PROTO LABS INC shareholders