Beech Hill Advisors, Inc. - PROTO LABS INC ownership

PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 183 filers reported holding PROTO LABS INC in Q3 2013. The put-call ratio across all filers is 1.36 and the average weighting 0.2%.

Quarter-by-quarter ownership
Beech Hill Advisors, Inc. ownership history of PROTO LABS INC
ValueSharesWeighting
Q1 2014$298,000
-34.8%
4,400
-31.5%
0.14%
-39.4%
Q4 2013$457,000
-49.7%
6,425
-46.0%
0.23%
-53.0%
Q3 2013$909,000
+161.2%
11,900
+122.4%
0.49%
+149.7%
Q2 2013$348,0005,3500.20%
Other shareholders
PROTO LABS INC shareholders Q3 2013
NameSharesValueWeighting ↓
Brown Capital Management 3,704,897$568,331,0003.93%
RIVERBRIDGE PARTNERS LLC 1,358,899$208,455,0002.30%
DISCIPLINED GROWTH INVESTORS INC /MN 621,477$95,335,0001.84%
Capital Investment Services of America, Inc. 112,898$17,319,0001.81%
ARK Investment Management 4,119,922$631,996,0001.68%
PREMIER ASSET MANAGEMENT LLC 52,830$8,104,0001.66%
GAGNON SECURITIES LLC 59,033$9,056,0001.44%
Nikko Asset Management Americas, Inc. 1,590,666$244,008,0001.39%
Pembroke Management, LTD 102,635$15,744,0001.32%
FCF Advisors LLC 13,068$2,254,0001.31%
View complete list of PROTO LABS INC shareholders