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Alpha Pro Tech

Name Holding Trade Value Shares
Change
Change in
Stake
Renaissance Technologies
1
Renaissance Technologies
New York
$3.27M -$19.1K -8,192 -0.6%
GIP
2
Granite Investment Partners
California
$873K +$908K +389,882 New
Vanguard Group
3
Vanguard Group
Pennsylvania
$616K +$80.6K +34,591 +14%
BCM
4
Bridgeway Capital Management
Texas
$487K -$58.8K -25,257 -10%
MERSOM
5
Municipal Employees' Retirement System of Michigan
Michigan
$211K
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$163K
VKH
7
Virtu KCG Holdings
New York
$132K +$32.3K +13,847 +31%
BFA
8
BlackRock Fund Advisors
California
$111K +$13.8K +5,944 +14%
SKK
9
Shepherd Kaplan Krochuk
Massachusetts
$102K -$65.2K -28,000 -38%
California Public Employees Retirement System
10
California Public Employees Retirement System
California
$91K
Citadel Advisors
11
Citadel Advisors
Florida
$43K -$11.2K -4,811 -20%
Northern Trust
12
Northern Trust
Illinois
$35K
Goldman Sachs
13
Goldman Sachs
New York
$32K -$32.5K -13,973 -49%
Group One Trading
14
Group One Trading
Illinois
$29K -$8.38K -3,600 -22%
RCM
15
Rotella Capital Management
Washington
$27K -$57.9K -24,869 -67%
JIR
16
James Investment Research
Ohio
$22K
WA
17
WealthTrust Axiom
Pennsylvania
$22K
Royal Bank of Canada
18
Royal Bank of Canada
Ontario, Canada
$15K
Bank of America
19
Bank of America
North Carolina
$12K
ST
20
Spot Trading
Illinois
$9K -$7.04K -3,025 -44%
Simplex Trading
21
Simplex Trading
Illinois
$9K +$9K +3,866 +1,080%
JC
22
JBF Capital
Colorado
$8K
BIM
23
BlackRock Investment Management
Delaware
$5K
UBS Group
24
UBS Group
Switzerland
$4K -$11.8K -5,088 -72%
TDC
25
Thompson Davis & Co
Virginia
$4K +$4.66K +2,000 New