Marshall Wace North America L.P. - PROTO LABS INC ownership

PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 262 filers reported holding PROTO LABS INC in Q3 2021. The put-call ratio across all filers is 1.39 and the average weighting 0.0%.

Quarter-by-quarter ownership
Marshall Wace North America L.P. ownership history of PROTO LABS INC
ValueSharesWeighting
Q3 2021$581,000
-19.2%
8,736
+57.3%
0.00%
-60.0%
Q3 2020$719,000
+2078.8%
5,552
+1176.3%
0.01%
Q1 2020$33,000
-98.9%
435
-98.5%
0.00%
-100.0%
Q4 2019$3,013,000
+987.7%
29,659
+1141.0%
0.02%
+650.0%
Q2 2019$277,000
-11.2%
2,390
-10.1%
0.00%0.0%
Q1 2018$312,000
-93.4%
2,658
-96.0%
0.00%
-98.0%
Q4 2013$4,696,00065,9730.10%
Other shareholders
PROTO LABS INC shareholders Q3 2021
NameSharesValueWeighting ↓
S Squared Technology, LLC 251,803$6,647,5993.59%
Meros Investment Management, LP 85,569$2,259,0221.23%
DISCIPLINED GROWTH INVESTORS INC /MN 1,764,397$46,580,0811.11%
GAGNON SECURITIES LLC 90,290$2,383,6560.60%
AIMZ Investment Advisors, LLC 47,699$1,259,2540.56%
HighMark Wealth Management LLC 9,945$262,5480.22%
Counterpoint Mutual Funds LLC 8,478$223,8190.19%
ALGERT GLOBAL LLC 85,125$2,2470.11%
GSA CAPITAL PARTNERS LLP 42,820$1,1300.10%
CAXTON ASSOCIATES LP 22,220$586,6080.08%
View complete list of PROTO LABS INC shareholders