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Alpha Pro Tech
APT

Overview Fund Activity

35 hedge funds and large institutions have $15.7M invested in Alpha Pro Tech in 2025 Q1 according to their latest regulatory filings, with 7 funds opening new positions, 10 increasing their positions, 7 reducing their positions, and 2 closing their positions.

Holders
35
Holders Change
+5
Holders Change %
+16.67%
% of All Funds
0.48%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
7
Increased
10
Reduced
7
Closed
2
Calls
$287K
Puts
$843K
Net Calls
-$556K
Net Calls Change
+$553K

Top Buyers

1
LTAS
1
Linden Thomas Advisory Services
North Carolina
$938K
2
Citadel Advisors
2
Citadel Advisors
Florida
$275K
3
Jane Street
3
Jane Street
New York
$117K
4
Susquehanna International Group
4
Susquehanna International Group
Pennsylvania
$105K
5
CCIA
5
Campbell & Co Investment Adviser
Maryland
$61.2K

Top Sellers

1
OSAM
1
O'Shaughnessy Asset Management
Connecticut
$94K
2
Renaissance Technologies
2
Renaissance Technologies
New York
$2.7M
3
RWM
3
Ritholtz Wealth Management
New York
$0
4
Acadian Asset Management
4
Acadian Asset Management
Massachusetts
$741K
5
Arrowstreet Capital
5
Arrowstreet Capital
Massachusetts
$292K
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$3.3M 659,531 – –
NIM
2
Needham Investment Management
New York
$3.06M 612,500 – –
Renaissance Technologies
3
Renaissance Technologies
New York
$2.7M 539,559 -25,916 -5%
BlackRock
4
BlackRock
New York
$1.36M 272,944 +48 +0%
LTAS
5
Linden Thomas Advisory Services
North Carolina
$938K 187,610 +27,457 +17%
Acadian Asset Management
6
Acadian Asset Management
Massachusetts
$741K 148,573 -5,712 -4%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$719K 143,825 +2,358 +2%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$487K 97,411 +722 +0.7%
BCM
9
Bridgeway Capital Management
Texas
$385K 77,025 +1 +0%
Arrowstreet Capital
10
Arrowstreet Capital
Massachusetts
$292K 58,309 -2,422 -4%
Citadel Advisors
11
Citadel Advisors
Florida
$275K 54,915 +25,486 +87%
State Street
12
State Street
Massachusetts
$235K 46,957 -500 -1%
EIM
13
Essex Investment Management
Massachusetts
$174K 34,782 -11 -0%
Morgan Stanley
14
Morgan Stanley
New York
$120K 23,992 +5,234 +28%
Jane Street
15
Jane Street
New York
$117K 23,314 +23,314 New
Northern Trust
16
Northern Trust
Illinois
$113K 22,507 -383 -2%
Susquehanna International Group
17
Susquehanna International Group
Pennsylvania
$105K 21,049 +21,049 New
Osaic Holdings
18
Osaic Holdings
Arizona
$102K 20,380 +1,100 +6%
OSAM
19
O'Shaughnessy Asset Management
Connecticut
$94K 18,799 -32,761 -64%
CSC
20
Caldwell Sutter Capital
California
$81.2K 16,236 – –
T. Rowe Price Associates
21
T. Rowe Price Associates
Maryland
$80K 16,000 – –
CCIA
22
Campbell & Co Investment Adviser
Maryland
$61.2K 12,242 +12,242 New
AF
23
Allworth Financial
California
$44.8K 10,000 – –
Bank of America
24
Bank of America
North Carolina
$29.4K 5,878 +254 +5%
Group One Trading
25
Group One Trading
Illinois
$22.8K 4,567 +4,567 New
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