Whitnell & Co. - PROTO LABS INC ownership

PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 235 filers reported holding PROTO LABS INC in Q1 2020. The put-call ratio across all filers is 0.51 and the average weighting 0.2%.

Quarter-by-quarter ownership
Whitnell & Co. ownership history of PROTO LABS INC
ValueSharesWeighting
Q4 2019$13,0000.0%1290.0%0.00%0.0%
Q3 2019$13,000
-13.3%
1290.0%0.00%
-33.3%
Q2 2019$15,000
+7.1%
1290.0%0.01%
+20.0%
Q1 2019$14,000
-6.7%
1290.0%0.01%
-28.6%
Q4 2018$15,000
-28.6%
1290.0%0.01%
-12.5%
Q3 2018$21,000
+425.0%
129
+84.3%
0.01%
+300.0%
Q4 2016$4,000
+300.0%
70
+400.0%
0.00%
Q3 2015$1,000140.00%
Other shareholders
PROTO LABS INC shareholders Q1 2020
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