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Protolabs

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$210M +$3.42M +58,871 +2%
DGI
2
Disciplined Growth Investors
Minnesota
$142M -$10.2M -176,374 -7%
Vanguard Portfolio Management
3
Vanguard Portfolio Management
Pennsylvania
$87.7M +$89.3M +1,538,530 New
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$72.5M -$244K -4,205 -0.3%
State Street
5
State Street
Massachusetts
$62.3M +$220K +3,794 +0.3%
Vanguard Capital Management
6
Vanguard Capital Management
Pennsylvania
$59.3M +$60.3M +1,039,741 New
ACM
7
American Capital Management
New York
$35.8M -$209K -3,606 -0.6%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$33.1M +$1.27M +21,901 +4%
Renaissance Technologies
9
Renaissance Technologies
New York
$29.7M +$1.55M +26,700 +5%
RCMNY
10
Rubric Capital Management (New York)
New York
$27.7M -$37M -636,938 -57%
Arrowstreet Capital
11
Arrowstreet Capital
Massachusetts
$26.4M +$183K +3,162 +0.7%
Fidelity Investments
12
Fidelity Investments
Massachusetts
$24.1M +$17.4M +300,256 +246%
Prudential Financial
13
Prudential Financial
New Jersey
$22.8M +$12.6M +217,415 +119%
DCM
14
Driehaus Capital Management
Illinois
$21M -$755K -13,019 -3%
Charles Schwab
15
Charles Schwab
California
$20.5M -$163K -2,810 -0.8%
Nuveen
16
Nuveen
North Carolina
$18.1M -$511K -8,811 -3%
SST
17
S Squared Technology
New York
$16.9M -$580K -10,000 -3%
Morgan Stanley
18
Morgan Stanley
New York
$16.7M -$698K -12,031 -4%
Northern Trust
19
Northern Trust
Illinois
$15.2M +$620K +10,683 +4%
D.E. Shaw & Co
20
D.E. Shaw & Co
New York
$12.9M +$742K +12,783 +6%
Nordea Investment Management
21
Nordea Investment Management
Sweden
$12M -$584K -10,058 -4%
JAM
22
Jupiter Asset Management
United Kingdom
$11.1M
PAM
23
Panagora Asset Management
Massachusetts
$9.96M -$51.5K -887 -0.5%
HIM
24
Hillsdale Investment Management
Ontario, Canada
$9.94M +$354K +6,100 +4%
UBS Group
25
UBS Group
Switzerland
$9.62M -$387K -6,666 -4%