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Data I/O

27 hedge funds and large institutions have $5.04M invested in Data I/O in 2026 Q1 according to their latest regulatory filings, with 7 funds opening new positions, 3 increasing their positions, 6 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

less call options, than puts

Call options by funds: $ | Put options by funds: $

less ownership

Funds ownership:

40% less capital invested

Capital invested by funds: $8.44M → $5.04M (-$3.4M)

50% less repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 6

Holders
27
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$133K
Puts
$139K
Net Calls
Net Calls Change

Top Buyers

1 +$65.6K
2 +$40.1K
3 +$32.4K
4
UBS Group
UBS Group
Switzerland
+$2.74K
5
Simplex Trading
Simplex Trading
Illinois
+$2.41K