D.B. Root & Company, LLC - PROTO LABS INC ownership

PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 233 filers reported holding PROTO LABS INC in Q1 2020. The put-call ratio across all filers is 0.51 and the average weighting 0.2%.

Quarter-by-quarter ownership
D.B. Root & Company, LLC ownership history of PROTO LABS INC
ValueSharesWeighting
Q3 2020$286,000
-43.6%
2,213
-51.0%
0.12%
-47.7%
Q2 2020$507,000
+26.8%
4,513
-14.3%
0.22%
+8.9%
Q1 2020$400,000
-23.5%
5,263
+2.2%
0.20%
-12.2%
Q4 2019$523,000
+1.9%
5,151
+2.5%
0.23%
-3.8%
Q3 2019$513,000
+29.2%
5,026
+46.7%
0.24%
+35.8%
Q2 2019$397,000
+13.4%
3,426
+3.0%
0.18%
+18.1%
Q1 2019$350,000
+29.6%
3,326
+26.7%
0.15%
-35.5%
Q4 2017$270,0002,6250.23%
Other shareholders
PROTO LABS INC shareholders Q1 2020
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