Data I/O
DAIO
27 hedge funds and large institutions have $8.44M invested in Data I/O in 2025 Q4 according to their latest regulatory filings, with 3 funds opening new positions, 8 increasing their positions, 7 reducing their positions, and 2 closing their positions.
50% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 2
14% more repeat investments, than reductions
Existing positions increased: 8 | Existing positions reduced: 7
4% more funds holding
Funds holding: 26 → 27 (+1)
2.53% less ownership
Funds ownership: 33.99% → 31.47% (-2.5%)
21% less capital invested
Capital invested by funds: $10.7M → $8.44M (-$2.23M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DS
DRW Securities
Chicago,
Illinois
|
+$35.2K |
| 2 |
SPIA
Steward Partners Investment Advisory
New York
|
+$25.7K |
| 3 |
KA
Kovack Advisors
Ft. Lauderdale,
Florida
|
+$17K |
| 4 |
PM
Penbrook Management
New York
|
+$12.3K |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
+$8.91K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of New York Mellon
New York
|
-$390K |
| 2 |
Dimensional Fund Advisors
Austin,
Texas
|
-$243K |
| 3 |
Renaissance Technologies
New York
|
-$118K |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$26.1K |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
-$24.3K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
SS
26
SBI Securities
Tokyo,
Japan
| $3 | – | – | – |
|
|
27
Bank of New York Mellon
New York
| – | -$390K | -116,751 | Closed |
|
28
UBS Group
Zurich,
Switzerland
| – | -$9.07K | -2,716 | Closed |
|
29
Royal Bank of Canada
Toronto,
Ontario, Canada
| – | +$288 | +96 | +686% |
|
DAIO Hedge Fund Activity: Q4 2025 in Review
27 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Data I/O (DAIO) for Q4 2025, worth a combined $8.44M — down 21% from $10.7M a quarter earlier.
Buyers outnumbered sellers: 3 funds opened new DAIO positions and 2 closed out — a net gain of 1 holder — while 8 added to existing stakes and 7 trimmed.
The largest buyer was DRW Securities, opening a new position worth an estimated $35.2K. The largest seller was Bank of New York Mellon, exiting entirely with an estimated $390K sold.
- 27 institutional investors held Data I/O (DAIO) as of Q4 2025, up from 26 in Q3 2025.
- Funds reported $8.44M of Data I/O stock for Q4 2025, down 21% quarter-over-quarter.
- 3 funds opened new Data I/O positions in Q4 2025 and 2 closed out, a net change of +1 holder.
- The largest Data I/O buyer in Q4 2025 was DRW Securities, an estimated $35.2K added.
- The largest Data I/O seller in Q4 2025 was Bank of New York Mellon, an estimated $390K sold.
Based on aggregated 13F filings for Q4 2025.