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Data I/O
DAIO

Overview Fund Activity

25 hedge funds and large institutions have $10.5M invested in Data I/O in 2025 Q2 according to their latest regulatory filings, with 2 funds opening new positions, 10 increasing their positions, 6 reducing their positions, and 3 closing their positions.

Holders
25
Holders Change
-1
Holders Change %
-3.85%
% of All Funds
0.34%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
2
Increased
10
Reduced
6
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
PM
1
Penbrook Management
New York
$1.74M
2
EIM
2
Essex Investment Management
Massachusetts
$231K
3
SPIA
3
Steward Partners Investment Advisory
New York
$64.8K
4
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$829K
5
JIR
5
James Investment Research
Ohio
$69.4K

Top Sellers

1
Acadian Asset Management
1
Acadian Asset Management
Massachusetts
$408K
2
KA
2
Kovack Advisors
Florida
$835K
3
SIC
3
Salem Investment Counselors
North Carolina
$0
4
Renaissance Technologies
4
Renaissance Technologies
New York
$1.48M
5
CSC
5
Caldwell Sutter Capital
California
$0
Name Market Value Shares Shares
Change 		Shares
Change %
SIC
26
Salem Investment Counselors
North Carolina
– – -15,796 Closed
CSC
27
Caldwell Sutter Capital
California
– – -588 Closed
JPMorgan Chase & Co
28
JPMorgan Chase & Co
New York
– – -17 Closed
1
2