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Alpha Pro Tech

Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$4.2M
Renaissance Technologies
2
Renaissance Technologies
New York
$3.89M +$194K +35,492 +6%
NIM
3
Needham Investment Management
New York
$2.18M +$711K +130,000 +59%
BlackRock
4
BlackRock
New York
$1.69M +$256K +46,738 +21%
LTAS
5
Linden Thomas Advisory Services
North Carolina
$999K +$876K +160,133 New
Acadian Asset Management
6
Acadian Asset Management
Massachusetts
$750K +$592K +108,181 +893%
EIM
7
Essex Investment Management
Massachusetts
$701K
Susquehanna International Group
8
Susquehanna International Group
Pennsylvania
$641K -$337K -61,673 -38%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$597K +$17K +3,113 +3%
Dimensional Fund Advisors
10
Dimensional Fund Advisors
Texas
$569K +$69.5K +12,694 +16%
OSAM
11
O'Shaughnessy Asset Management
Connecticut
$562K +$342K +62,437 +226%
BCM
12
Bridgeway Capital Management
Texas
$536K +$132K +24,124 +39%
Arrowstreet Capital
13
Arrowstreet Capital
Massachusetts
$478K +$419K +76,658 New
Citadel Advisors
14
Citadel Advisors
Florida
$374K +$319K +58,368 +3,850%
Royal Bank of Canada
15
Royal Bank of Canada
Ontario, Canada
$325K +$284K +51,889 +18,869%
State Street
16
State Street
Massachusetts
$272K -$11.5K -2,100 -5%
RWM
17
Ritholtz Wealth Management
New York
$247K +$145K +26,487 +202%
T. Rowe Price Associates
18
T. Rowe Price Associates
Maryland
$143K
Simplex Trading
19
Simplex Trading
Illinois
$141K +$124K +22,649 New
CSC
20
Caldwell Sutter Capital
California
$135K -$69.7K -12,732 -37%
Northern Trust
21
Northern Trust
Illinois
$122K -$132K -24,115 -55%
Morgan Stanley
22
Morgan Stanley
New York
$98.2K -$38.5K -7,028 -31%
HIM
23
Hillsdale Investment Management
Ontario, Canada
$91.4K +$80.1K +14,646 New
CCM
24
Corsair Capital Management
New York
$84.2K +$73.9K +13,497 New
Group One Trading
25
Group One Trading
Illinois
$79.2K +$69.5K +12,694 New