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 ↓
Cupps Capital Management, LLC 645,795$49,332,0003.20%
FLOOD GAMBLE ASSOCIATES INC 71,875$6,027,0002.98%
Conestoga Capital Advisors, LLC 434,642$33,202,0002.84%
Lisanti Capital Growth, LLC 67,155$5,130,0002.34%
Timpani Capital Management LLC 50,334$3,845,0002.27%
Summit Creek Advisors LLC 160,231$12,240,0002.18%
Assured Investment Management LLC 690,692$52,762,0002.04%
ARBOR CAPITAL MANAGEMENT LLC 298,515$23,577,0002.02%
COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT 589,728$45,049,0002.01%
RIVERBRIDGE PARTNERS LLC 1,200,028$91,670,0001.99%
View complete list of PROTO LABS INC shareholders