Sonora Investment Management, LLC - PROTO LABS INC ownership

PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 305 filers reported holding PROTO LABS INC in Q4 2020. The put-call ratio across all filers is 0.34 and the average weighting 0.1%.

Quarter-by-quarter ownership
Sonora Investment Management, LLC ownership history of PROTO LABS INC
ValueSharesWeighting
Q3 2021$13,000
-27.8%
2000.0%0.00%0.0%
Q2 2021$18,000
-25.0%
2000.0%0.00%0.0%
Q1 2021$24,000
-22.6%
2000.0%0.00%
-33.3%
Q4 2020$31,000
+19.2%
2000.0%0.00%
+50.0%
Q3 2020$26,000
+18.2%
2000.0%0.00%0.0%
Q2 2020$22,000
+46.7%
2000.0%0.00%0.0%
Q1 2020$15,000
-31.8%
200
-9.1%
0.00%0.0%
Q4 2019$22,0000.0%2200.0%0.00%0.0%
Q3 2019$22,000
-15.4%
2200.0%0.00%
-33.3%
Q2 2019$26,000
+13.0%
2200.0%0.00%0.0%
Q1 2019$23,000
-8.0%
2200.0%0.00%
-25.0%
Q4 2018$25,000
-30.6%
2200.0%0.00%
-20.0%
Q3 2018$36,000
+38.5%
2200.0%0.01%
+25.0%
Q2 2018$26,000
-99.9%
2200.0%0.00%0.0%
Q1 2018$25,861,000
+14.1%
2200.0%0.00%0.0%
Q4 2017$22,660,000
+28.3%
2200.0%0.00%
+33.3%
Q3 2017$17,666,000
+19.4%
2200.0%0.00%0.0%
Q2 2017$14,795,000
+31.6%
2200.0%0.00%
+50.0%
Q1 2017$11,242,000
-0.5%
2200.0%0.00%0.0%
Q4 2016$11,297,000
-14.3%
2200.0%0.00%
-33.3%
Q3 2016$13,180,000
+4.1%
2200.0%0.00%0.0%
Q2 2016$12,663,000
-27.5%
2200.0%0.00%
-25.0%
Q1 2016$17,459,000
+124607.1%
2200.0%0.00%0.0%
Q4 2015$14,000
-6.7%
2200.0%0.00%
-20.0%
Q3 2015$15,0002200.01%
Other shareholders
PROTO LABS INC shareholders Q4 2020
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