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Protolabs

Name Holding Trade Value Shares
Change
Change in
Stake
BCM
1
Brown Capital Management
Maryland
$140M +$25.2M +371,748 +23%
RP
2
Riverbridge Partners
Minnesota
$123M +$2.77M +40,966 +2%
Wells Fargo
3
Wells Fargo
California
$117M -$19.5M -287,946 -15%
Vanguard Group
4
Vanguard Group
Pennsylvania
$102M +$8.68M +128,275 +10%
KCM
5
Kornitzer Capital Management
Kansas
$78.8M -$21.3M -314,008 -22%
JHIU
6
Janus Henderson Investors US
Colorado
$67M +$28M +413,738 +76%
RIM
7
Ranger Investment Management
Texas
$58.1M +$627K +9,260 +1%
WA
8
Wasatch Advisors
Utah
$49.5M -$991K -14,637 -2%
Franklin Resources
9
Franklin Resources
California
$43.8M -$52.6M -776,858 -55%
GKIM
10
GW&K Investment Management
Massachusetts
$43.2M +$369K +5,453 +0.9%
BIT
11
BlackRock Institutional Trust
California
$41.1M +$124K +1,830 +0.3%
BFA
12
BlackRock Fund Advisors
California
$40.7M +$420K +6,209 +1%
CCA
13
Conestoga Capital Advisors
Pennsylvania
$39.6M -$1.13M -16,720 -3%
TCM
14
TimesSquare Capital Management
New York
$38.1M +$36.9M +544,600 New
SIMG
15
Stephens Investment Management Group
Texas
$36.6M -$5.97M -88,191 -14%
ACH
16
ArrowMark Colorado Holdings
Colorado
$33.6M +$4.26M +62,886 +15%
EAM
17
Eagle Asset Management
Florida
$33.6M -$520K -7,685 -2%
Northern Trust
18
Northern Trust
Illinois
$32.4M +$91.9K +1,357 +0.3%
GGHC
19
Gilder Gagnon Howe & Co
New York
$29.1M -$19.4M -286,397 -41%
William Blair & Company
20
William Blair & Company
Illinois
$26.7M -$2.29M -33,808 -8%
New York State Common Retirement Fund
21
New York State Common Retirement Fund
New York
$26.5M +$2M +29,488 +8%
CCM
22
Crestwood Capital Management
New York
$26.2M -$1.54M -22,700 -6%
State Street
23
State Street
Massachusetts
$25.4M +$447K +6,598 +2%
ACM
24
Apex Capital Management
Ohio
$23.4M +$2.91M +43,020 +15%
T. Rowe Price Associates
25
T. Rowe Price Associates
Maryland
$23.1M +$10.6M +156,415 +90%