OAK ASSOCIATES LTD /OH/ - PROTO LABS INC ownership

PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 224 filers reported holding PROTO LABS INC in Q2 2016. The put-call ratio across all filers is 1.60 and the average weighting 0.3%.

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 Q2 2016
NameSharesValueWeighting ↓
Brown Capital Management 3,056,893$372,177,0002.77%
PREMIER ASSET MANAGEMENT LLC 67,800$8,255,0001.47%
Nikko Asset Management Americas, Inc. 1,976,509$240,640,0001.18%
Capital Investment Services of America, Inc. 92,843$11,304,0001.16%
GAGNON SECURITIES LLC 58,485$7,121,0001.08%
DISCIPLINED GROWTH INVESTORS INC /MN 398,710$48,543,0000.98%
BENDER ROBERT & ASSOCIATES 24,260$2,954,0000.95%
ARK Investment Management 3,654,854$444,978,0000.88%
RIVERBRIDGE PARTNERS LLC 625,607$76,168,0000.87%
Pembroke Management, LTD 69,123$8,416,0000.70%
View complete list of PROTO LABS INC shareholders