BAMCO INC /NY/ - 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
BAMCO INC /NY/ ownership history of PROTO LABS INC
ValueSharesWeighting
Q1 2014$47,000
-99.3%
585
-99.4%
0.00%
-100.0%
Q4 2013$7,118,000
-73.4%
100,000
-71.4%
0.03%
-75.4%
Q3 2013$26,736,000
-41.2%
350,000
-50.0%
0.12%
+3.4%
Q2 2013$45,478,000700,0000.12%
Other shareholders
PROTO LABS INC shareholders Q1 2014
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