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Protolabs

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$318M +$15.4M +218,347 +6%
DGI
2
Disciplined Growth Investors
Minnesota
$194M -$8.22M -116,841 -5%
Vanguard Portfolio Management
3
Vanguard Portfolio Management
Pennsylvania
$130M +$4.31M +61,235 +4%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$93.9M -$8.44M -120,051 -9%
State Street
5
State Street
Massachusetts
$92.8M +$3.27M +46,462 +4%
Vanguard Capital Management
6
Vanguard Capital Management
Pennsylvania
$86M +$1.05M +14,882 +1%
ACM
7
American Capital Management
New York
$50.5M -$553K -7,860 -1%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$50.1M +$2.38M +33,827 +6%
Renaissance Technologies
9
Renaissance Technologies
New York
$38.2M -$3.59M -51,000 -10%
Prudential Financial
10
Prudential Financial
New Jersey
$37.3M +$4.05M +57,569 +14%
Fidelity Investments
11
Fidelity Investments
Massachusetts
$36.1M +$1.43M +20,303 +5%
Arrowstreet Capital
12
Arrowstreet Capital
Massachusetts
$35.9M -$1.62M -22,964 -5%
Nuveen
13
Nuveen
North Carolina
$34.2M +$7.25M +103,120 +33%
Goldman Sachs
14
Goldman Sachs
New York
$32.9M +$18.4M +262,236 +186%
DCM
15
Driehaus Capital Management
Illinois
$30.2M +$71.4K +1,015 +0.3%
Charles Schwab
16
Charles Schwab
California
$28.9M -$423K -6,015 -2%
Morgan Stanley
17
Morgan Stanley
New York
$25.7M +$1.49M +21,197 +7%
SST
18
S Squared Technology
New York
$23.5M -$561K -7,983 -3%
Northern Trust
19
Northern Trust
Illinois
$23.2M +$1.24M +17,611 +7%
First Trust Advisors
20
First Trust Advisors
Illinois
$18.3M +$9.28M +131,922 +142%
JP Morgan Chase
21
JP Morgan Chase
New York
$17.9M +$9.65M +137,138 +157%
D.E. Shaw & Co
22
D.E. Shaw & Co
New York
$17.2M -$1M -14,285 -6%
Nordea Investment Management
23
Nordea Investment Management
Sweden
$16.5M -$738K -10,498 -5%
HIM
24
Hillsdale Investment Management
Ontario, Canada
$15.6M +$1.21M +17,210 +10%
JAM
25
Jupiter Asset Management
United Kingdom
$15.4M -$443K -6,293 -3%