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Alpha Pro Tech

Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$3.7M
Renaissance Technologies
2
Renaissance Technologies
New York
$3.48M +$46.4K +8,316 +1%
NIM
3
Needham Investment Management
New York
$3.31M +$1.41M +252,500 +72%
BlackRock
4
BlackRock
New York
$1.5M +$6.54K +1,172 +0.4%
LTAS
5
Linden Thomas Advisory Services
North Carolina
$900K +$19.6K +3,511 +2%
Acadian Asset Management
6
Acadian Asset Management
Massachusetts
$877K +$221K +39,529 +33%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$688K +$188K +33,782 +37%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$543K +$17K +3,041 +3%
OSAM
9
O'Shaughnessy Asset Management
Connecticut
$465K -$30.3K -5,434 -6%
BCM
10
Bridgeway Capital Management
Texas
$424K -$49.7K -8,900 -10%
Arrowstreet Capital
11
Arrowstreet Capital
Massachusetts
$377K -$45.5K -8,158 -11%
State Street
12
State Street
Massachusetts
$240K
EIM
13
Essex Investment Management
Massachusetts
$214K -$411K -73,595 -65%
RWM
14
Ritholtz Wealth Management
New York
$200K -$18.7K -3,348 -8%
Citadel Advisors
15
Citadel Advisors
Florida
$146K -$186K -33,295 -56%
Northern Trust
16
Northern Trust
Illinois
$135K +$27.3K +4,894 +25%
T. Rowe Price Associates
17
T. Rowe Price Associates
Maryland
$123K -$3.55K -637 -3%
CSC
18
Caldwell Sutter Capital
California
$114K -$4.88K -875 -4%
Susquehanna International Group
19
Susquehanna International Group
Pennsylvania
$91.5K -$481K -86,126 -84%
Osaic Holdings
20
Osaic Holdings
Arizona
$80.7K +$35.3K +6,335 +76%
HIM
21
Hillsdale Investment Management
Ontario, Canada
$80.6K
Group One Trading
22
Group One Trading
Illinois
$64.1K -$5.83K -1,044 -8%
AF
23
Allworth Financial
California
$59.5K
Morgan Stanley
24
Morgan Stanley
New York
$59.2K -$27.8K -4,978 -32%
OQS
25
Occudo Quantitative Strategies
Florida
$58.6K +$59.4K +10,653 New