OAK ASSOCIATES LTD /OH/ - PROTO LABS INC ownership

PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 177 filers reported holding PROTO LABS INC in Q1 2014. The put-call ratio across all filers is 1.44 and the average weighting 0.2%.

Quarter-by-quarter ownership
OAK ASSOCIATES LTD /OH/ ownership history of PROTO LABS INC
ValueSharesWeighting
Q2 2016$240,000
-25.5%
4,1750.0%0.03%
-25.6%
Q1 2016$322,000
+21.1%
4,1750.0%0.04%
+21.9%
Q4 2015$266,000
-5.0%
4,1750.0%0.03%
-13.5%
Q3 2015$280,000
-0.7%
4,1750.0%0.04%
+8.8%
Q2 2015$282,000
-3.4%
4,1750.0%0.03%
-2.9%
Q1 2015$292,000
+4.3%
4,1750.0%0.04%
+6.1%
Q4 2014$280,000
-2.8%
4,1750.0%0.03%
-5.7%
Q3 2014$288,000
-15.8%
4,1750.0%0.04%
-16.7%
Q2 2014$342,000
+20.8%
4,1750.0%0.04%
+20.0%
Q1 2014$283,000
-4.7%
4,1750.0%0.04%
+9.4%
Q4 2013$297,0004,1750.03%
Other shareholders
PROTO LABS INC shareholders Q1 2014
NameSharesValueWeighting ↓
Gs Investments, Inc. 91,570$6,158,083,0004.61%
Quantum Capital Management, LLC / NJ 156,285$10,510,0003.20%
Brown Capital Management 3,807,888$256,080,0003.14%
ARK Investment Management 207,577$13,960,0002.72%
RIVERBRIDGE PARTNERS LLC 1,967,865$132,339,0002.53%
Capital Investment Services of America, Inc. 146,104$9,825,0001.69%
Crestwood Capital Management, L.P. 48,600$3,268,0001.68%
Conestoga Capital Advisors, LLC 448,818$30,183,0001.57%
DISCIPLINED GROWTH INVESTORS INC /MN 965,215$64,911,0001.35%
BENDER ROBERT & ASSOCIATES 32,382$2,178,0001.34%
View complete list of PROTO LABS INC shareholders