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Protolabs

Name Holding Trade Value Shares
Change
Change in
Stake
BCM
1
Brown Capital Management
Maryland
$165M +$19M +295,103 +13%
RP
2
Riverbridge Partners
Minnesota
$114M -$3.15M -48,763 -3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$102M +$2.63M +40,735 +3%
JHIU
4
Janus Henderson Investors US
Colorado
$78.9M +$17.5M +270,843 +28%
Wells Fargo
5
Wells Fargo
California
$52.9M +$116K +1,801 +0.2%
ACA
6
Abdiel Capital Advisors
New York
$50.6M +$51.2M +794,545 New
William Blair & Company
7
William Blair & Company
Illinois
$47M +$364K +5,644 +0.8%
TCM
8
TimesSquare Capital Management
New York
$46.1M +$1.11M +17,150 +2%
GKIM
9
GW&K Investment Management
Massachusetts
$40.2M -$740K -11,470 -2%
WA
10
Wasatch Advisors
Utah
$40M -$6.31M -97,815 -13%
BIT
11
BlackRock Institutional Trust
California
$37M +$717K +11,124 +2%
BFA
12
BlackRock Fund Advisors
California
$36.9M +$1.56M +24,232 +4%
Lord, Abbett & Co
13
Lord, Abbett & Co
New Jersey
$34.6M -$4.97M -77,115 -12%
SIMG
14
Stephens Investment Management Group
Texas
$33.8M -$733K -11,363 -2%
ACM
15
Apex Capital Management
Ohio
$33.3M +$336K +5,206 +1%
KCM
16
Kornitzer Capital Management
Kansas
$32.8M -$1.24M -19,255 -4%
New York State Common Retirement Fund
17
New York State Common Retirement Fund
New York
$32.8M +$3.39M +52,570 +11%
Northern Trust
18
Northern Trust
Illinois
$32.2M +$323K +5,012 +1%
CCM
19
Crestwood Capital Management
New York
$31.8M +$5.37M +83,200 +20%
CCA
20
Conestoga Capital Advisors
Pennsylvania
$31.6M -$2.96M -45,884 -8%
ACH
21
ArrowMark Colorado Holdings
Colorado
$31.3M -$15.9M -246,555 -33%
Loomis, Sayles & Company
22
Loomis, Sayles & Company
Massachusetts
$26.3M +$2.37M +36,711 +10%
T. Rowe Price Associates
23
T. Rowe Price Associates
Maryland
$26.1M +$250K +3,880 +1%
FMA
24
Fiduciary Management Associates
Illinois
$25.8M +$4.13M +64,035 +19%
RIM
25
Ranger Investment Management
Texas
$24.6M -$18.6M -289,097 -43%