SAN FRANCISCO SENTRY INVESTMENT GROUP (CA) - PROTO LABS INC ownership

PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 243 filers reported holding PROTO LABS INC in Q2 2019. The put-call ratio across all filers is 2.54 and the average weighting 0.2%.

Quarter-by-quarter ownership
SAN FRANCISCO SENTRY INVESTMENT GROUP (CA) ownership history of PROTO LABS INC
ValueSharesWeighting
Q1 2019$1,0000.0%70.0%0.00%
Q4 2018$1,00070.00%
Other shareholders
PROTO LABS INC shareholders Q2 2019
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