We are live on ! Find out more
DAIO icon

Data I/O
DAIO

29 hedge funds and large institutions have $7.22M 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 4 closing their positions.

Upgrade to unlock
New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding: →

less ownership

Funds ownership: →

less call options, than puts

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

14% less capital invested

Capital invested by funds: $8.44M → $7.22M (-$1.22M)

50% less repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 6

Holders
29
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

Rank Fund Capital Flow
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

Top Sellers

Rank Fund Capital Flow
1
-$115K
2
-$95.7K
3
-$87.3K
4
Geode Capital Management
Geode Capital Management
Massachusetts
-$51.6K
5
DS
DRW Securities
Illinois
-$37.2K
Name Holding Trade Value Shares
Change 		Change in
Stake
KWM
1
Kanen Wealth Management
Florida
$2.12M
Renaissance Technologies
2
Renaissance Technologies
New York
$1.03M
PM
3
Penbrook Management
New York
$903K
VCM
4
Vanguard Capital Management
Pennsylvania
$757K
KA
5
Kovack Advisors
Florida
$635K
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$356K
Acadian Asset Management
7
Acadian Asset Management
Massachusetts
$313K
Geode Capital Management
8
Geode Capital Management
Massachusetts
$220K
EIM
9
Essex Investment Management
Massachusetts
$189K
VFT
10
Vanguard Fiduciary Trust
Pennsylvania
$116K
SPIA
11
Steward Partners Investment Advisory
New York
$110K
Susquehanna International Group
12
Susquehanna International Group
Pennsylvania
$67.9K
LPL Financial
13
LPL Financial
California
$57K
JIR
14
James Investment Research
Ohio
$56.7K
NA
15
NewEdge Advisors
Louisiana
$56.7K
LCM
16
Legato Capital Management
California
$44.4K
BlackRock
17
BlackRock
New York
$43K
State Street
18
State Street
Massachusetts
$40.9K
Goldman Sachs
19
Goldman Sachs
New York
$34.9K
Northern Trust
20
Northern Trust
Illinois
$34.1K
VGA
21
Vanguard Global Advisers
Pennsylvania
$13K
Simplex Trading
22
Simplex Trading
Illinois
$6.98K
TRCT
23
Tower Research Capital (TRC)
New York
$4.25K
UBS Group
24
UBS Group
Switzerland
$2.38K
BA
25
Bard Associates
Illinois
$253
1
2

DAIO Hedge Fund Activity: Q1 2026 in Review

29 of the 8,150 institutional investors tracked by Wall St. Rank reported a position in Data I/O (DAIO) for Q1 2026, worth a combined $7.22M — down 14% from $8.44M a quarter earlier.

Buyers outnumbered sellers: 7 funds opened new DAIO positions and 4 closed out — a net gain of 3 holders — while 3 added to existing stakes and 6 trimmed.

The largest buyer was LPL Financial, opening a new position worth an estimated $65.6K. The largest seller was Dimensional Fund Advisors, cutting an estimated $115K.

  • 29 institutional investors held Data I/O (DAIO) as of Q1 2026, up from 27 in Q4 2025.
  • Funds reported $7.22M of Data I/O stock for Q1 2026, down 14% quarter-over-quarter.
  • 7 funds opened new Data I/O positions in Q1 2026 and 4 closed out, a net change of +3 holders.
  • The largest Data I/O buyer in Q1 2026 was LPL Financial, an estimated $65.6K added.
  • The largest Data I/O seller in Q1 2026 was Dimensional Fund Advisors, an estimated $115K sold.

Based on aggregated 13F filings for Q1 2026.