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Matrix Service

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$41.9M +$2.81M +283,052 +8%
HP
2
Harvey Partners
New York
$17.5M +$1.14M +115,000 +8%
ACM
3
Azarias Capital Management
Pennsylvania
$16.6M +$1.64M +165,066 +13%
NIM
4
Needham Investment Management
New York
$16.4M +$3.92M +395,000 +39%
Vanguard Group
5
Vanguard Group
Pennsylvania
$16.1M +$232K +23,316 +2%
FWSM
6
First Wilshire Securities Management
California
$15.8M -$5.42M -545,356 -28%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$13.3M -$164K -16,469 -1%
WCM
8
Westerly Capital Management
California
$12.7M +$199K +20,000 +2%
RA
9
Royce & Associates
New York
$9.95M +$1.07M +107,820 +14%
AAM
10
ACK Asset Management
Connecticut
$9.24M +$7.95M +801,000 New
Geode Capital Management
11
Geode Capital Management
Massachusetts
$6.9M +$46.8K +4,709 +0.8%
GJL
12
Gendell Jeffrey L
$6.88M -$3.37M -339,475 -36%
PCM
13
Portolan Capital Management
Massachusetts
$5.87M +$1.29M +129,989 +34%
Millennium Management
14
Millennium Management
New York
$4.76M +$1.03M +103,938 +34%
State Street
15
State Street
Massachusetts
$4.43M +$553K +55,691 +17%
SLG
16
Stanley-Laman Group
Pennsylvania
$3.87M +$87.6K +8,823 +3%
Franklin Resources
17
Franklin Resources
California
$2.82M -$953K -96,019 -28%
EIM
18
Essex Investment Management
Massachusetts
$2.74M +$6.3K +635 +0.3%
Northern Trust
19
Northern Trust
Illinois
$2.74M +$1.44M +144,745 +156%
D.E. Shaw & Co
20
D.E. Shaw & Co
New York
$2.47M -$705K -70,955 -25%
OAM
21
Oberweis Asset Management
Illinois
$2.43M
Renaissance Technologies
22
Renaissance Technologies
New York
$2.41M +$53.6K +5,400 +3%
Russell Investments Group
23
Russell Investments Group
United Kingdom
$2.33M +$166K +16,691 +9%
DLP
24
De Lisle Partners
United Kingdom
$2.13M
1CM
25
1492 Capital Management
Wisconsin
$2.12M +$12.1K +1,218 +0.7%