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Perma-Fix Environmental Services

Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$7.02M
HA
2
Heartland Advisors
Wisconsin
$5.95M
BlackRock
3
BlackRock
New York
$3.27M -$161K -18,591 -6%
PCM
4
Perritt Capital Management
Illinois
$2.34M -$11.7K -1,350 -0.7%
EIM
5
Essex Investment Management
Massachusetts
$2.25M +$25.2K +2,914 +2%
AIP
6
ARS Investment Partners
New York
$1.81M -$93.3K -10,795 -7%
Renaissance Technologies
7
Renaissance Technologies
New York
$1.77M -$166K -19,200 -11%
AA
8
Ancora Advisors
Ohio
$1.71M
Geode Capital Management
9
Geode Capital Management
Massachusetts
$1.61M +$11.7K +1,352 +1%
Susquehanna International Group
10
Susquehanna International Group
Pennsylvania
$1.31M +$173K +20,011 +22%
Millennium Management
11
Millennium Management
New York
$1.03M +$331K +38,348 +80%
LCM
12
Legato Capital Management
California
$892K
PGCM
13
Prescott Group Capital Management
Oklahoma
$800K
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$768K -$37.2K -4,305 -6%
State Street
15
State Street
Massachusetts
$561K
ACA
16
Apis Capital Advisors
New York
$547K -$225K -26,000 -36%
MDCM
17
Morgan Dempsey Capital Management
Wisconsin
$460K -$12.5K -1,450 -4%
B
18
Bailard
California
$376K
Qube Research & Technologies (QRT)
19
Qube Research & Technologies (QRT)
United Kingdom
$371K -$20.6K -2,381 -7%
Northern Trust
20
Northern Trust
Illinois
$344K +$17.2K +1,987 +7%
Citadel Advisors
21
Citadel Advisors
Florida
$302K -$142K -16,413 -39%
BCM
22
Bridgeway Capital Management
Texas
$263K
CC
23
Commons Capital
Massachusetts
$261K
Jane Street
24
Jane Street
New York
$239K +$74.1K +8,580 +74%
FA
25
Fermata Advisors
California
$146K +$6.7K +775 +7%