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Protolabs

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$635M +$48.6M +343,541 +10%
BCM
2
Brown Capital Management
Maryland
$601M -$18M -126,995 -3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$425M +$14.2M +100,343 +4%
RP
4
Riverbridge Partners
Minnesota
$272M -$7.58M -53,590 -3%
Janus Henderson Group
5
Janus Henderson Group
$172M -$5.47M -38,671 -4%
DGI
6
Disciplined Growth Investors
Minnesota
$152M +$3.24M +22,895 +2%
State Street
7
State Street
Massachusetts
$122M +$8.9M +62,919 +9%
CCA
8
Conestoga Capital Advisors
Pennsylvania
$112M +$12M +84,695 +14%
SIMG
9
Stephens Investment Management Group
Texas
$90.2M -$5.85M -41,317 -7%
New York State Common Retirement Fund
10
New York State Common Retirement Fund
New York
$86.3M -$296K -2,095 -0.4%
Lord, Abbett & Co
11
Lord, Abbett & Co
New Jersey
$79.8M +$25.7M +181,427 +58%
Dimensional Fund Advisors
12
Dimensional Fund Advisors
Texas
$69.8M -$640K -4,527 -1%
Northern Trust
13
Northern Trust
Illinois
$68.6M +$2.19M +15,465 +4%
JP Morgan Chase
14
JP Morgan Chase
New York
$65.6M -$4.01M -28,347 -7%
Handelsbanken Fonder
15
Handelsbanken Fonder
Sweden
$64.7M -$707K -5,000 -1%
Bank of New York Mellon
16
Bank of New York Mellon
New York
$60.2M +$4.67M +33,022 +10%
Norges Bank
17
Norges Bank
Norway
$58M
ACH
18
ArrowMark Colorado Holdings
Colorado
$55.8M -$26.1M -184,442 -35%
MPI
19
Mairs & Power Inc
Minnesota
$43.2M -$5.59M -39,518 -13%
Geode Capital Management
20
Geode Capital Management
Massachusetts
$41.8M +$2.99M +21,117 +9%
Ameriprise
21
Ameriprise
Minnesota
$40.5M +$3.97M +28,065 +13%
Loomis, Sayles & Company
22
Loomis, Sayles & Company
Massachusetts
$37.8M -$3.23M -22,848 -9%
Principal Financial Group
23
Principal Financial Group
Iowa
$37.4M +$3.44M +24,310 +12%
Victory Capital Management
24
Victory Capital Management
Texas
$35.8M +$987K +6,974 +3%
FAM
25
Fred Alger Management
New York
$34.4M -$2.29M -16,165 -7%