DATA I O CORP

Ticker: DAIO CUSIP: 237690102 Class: Stock

Holders for Q4 2025 Position Changes for Q4 2025

Note: Option positions (PUT/CALL) are excluded.

New Positions (3)

DRW Securities, LLC
Value ($000) $37 Shares 11,731
BARD ASSOCIATES INC
Value ($000) $0 Shares 100
Capital Analysts, LLC
Value ($000) $0 Shares 159

Increased Positions (8)

Penbrook Management LLC
Value ($000) $1,131 (-4.0%) Shares 356,850 (+1.2%)
Kovack Advisors, Inc.
Value ($000) $852 (-3.0%) Shares 268,906 (+2.2%)
Steward Partners Investment Advisory, LLC
Value ($000) $138 (+18.2%) Shares 43,472 (+24.5%)
GEODE CAPITAL MANAGEMENT, LLC
Value ($000) $332 (-2.3%) Shares 104,582 (+2.9%)
Tower Research Capital LLC (TRC)
Value ($000) $7 (+96.1%) Shares 2,131 (+106.7%)
SUSQUEHANNA INTERNATIONAL GROUP, LLP
Value ($000) $50 (-3.4%) Shares 15,697 (+1.7%)
BANK OF AMERICA CORP /DE/
Value ($000) $0 (-3.2%) Shares 87 (+2.4%)
ROYAL BANK OF CANADA
Value ($000) $0 Shares 110 (+685.7%)

Decreased Positions (7)

DIMENSIONAL FUND ADVISORS LP
Value ($000) $571 (-34.5%) Shares 180,249 (-31.0%)
RENAISSANCE TECHNOLOGIES LLC
Value ($000) $1,387 (-12.9%) Shares 437,637 (-8.2%)
CITADEL ADVISORS LLC
Value ($000) $104 (-24.9%) Shares 32,882 (-20.9%)
VANGUARD GROUP INC
Value ($000) $1,111 (-7.2%) Shares 350,374 (-2.3%)
NORTHERN TRUST CORP
Value ($000) $43 (-33.1%) Shares 13,476 (-29.5%)
SIMPLEX TRADING, LLC
Value ($000) $6 (+67944.4%) Shares 1,932 (-31.3%)
ACADIAN ASSET MANAGEMENT LLC
Value ($000) $0 (-10.8%) Shares 125,219 (-6.0%)

Exited Positions (2)

Bank of New York Mellon Corp
Value ($000) $390 Shares 116,751
UBS Group AG
Value ($000) $9 Shares 2,716