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Protolabs

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$139M +$55.4M +800,984 +78%
RP
2
Riverbridge Partners
Minnesota
$91.7M +$2.97M +42,964 +4%
Vanguard Group
3
Vanguard Group
Pennsylvania
$82.6M +$15M +216,167 +25%
Wells Fargo
4
Wells Fargo
California
$68.4M +$39M +563,400 +170%
KCM
5
Kornitzer Capital Management
Kansas
$62.8M +$39.1M +565,474 +221%
WA
6
Wasatch Advisors
Utah
$56.9M -$2.34M -33,827 -4%
AIM
7
Assured Investment Management
New York
$52.8M
NCGI
8
Next Century Growth Investors
Minnesota
$51.2M +$46.4M +670,198 New
O
9
OppenheimerFunds
New York
$50.6M +$28.4M +410,499 +163%
CCM
10
Cupps Capital Management
Illinois
$49.3M -$2.54M -36,622 -5%
SIMG
11
Stephens Investment Management Group
Texas
$47.3M +$12.9M +185,640 +43%
CPIM
12
Columbia Partners Investment Management
Virginia
$45M +$3.47M +50,194 +9%
Lord, Abbett & Co
13
Lord, Abbett & Co
New Jersey
$44.1M -$16M -230,861 -29%
BFA
14
BlackRock Fund Advisors
California
$34M +$3.77M +54,410 +14%
CCA
15
Conestoga Capital Advisors
Pennsylvania
$33.2M -$119K -1,725 -0.4%
AI
16
Axiom Investors
Connecticut
$32.8M +$28M +404,600 +1,638%
Capital World Investors
17
Capital World Investors
California
$32.1M -$12M -173,000 -29%
Artisan Partners
18
Artisan Partners
Wisconsin
$30.8M +$8.39M +121,171 +43%
GKIM
19
GW&K Investment Management
Massachusetts
$29.2M +$3.71M +53,625 +16%
Massachusetts Financial Services
20
Massachusetts Financial Services
Massachusetts
$28.4M -$30.7M -444,050 -54%
BAMCO Inc
21
BAMCO Inc
New York
$26.7M
Loomis, Sayles & Company
22
Loomis, Sayles & Company
Massachusetts
$25M +$1.91M +27,663 +9%
Royal Bank of Canada
23
Royal Bank of Canada
Ontario, Canada
$23.8M +$5.46M +78,932 +34%
Northern Trust
24
Northern Trust
Illinois
$23.7M +$7.81M +112,889 +57%
BIT
25
BlackRock Institutional Trust
California
$23.6M +$6.62M +95,603 +45%