DATA I/O CORP - DAIO

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Kanen Wealth Management LLC History No change 839,421 1,732 0.53% 0.94% 1 0 0.0% Q4 2025 Feb 18, 2026
RENAISSANCE TECHNOLOGIES LLC History Reduced 437,637 1,387 0.0% 0.0% 2 -39,197 -8.22% Q4 2025 Feb 12, 2026
CITADEL ADVISORS LLC History Added to 426,682 1,352 0.0% 0.0% 3 +305,610 252.42% Q4 2025 Feb 17, 2026
Penbrook Management LLC History Added to 356,850 1,131 0.78% 0.82% 4 +4,100 1.16% Q4 2025 Jan 06, 2026
VANGUARD GROUP INC History Reduced 350,374 1,110 0.0% 0.0% 5 -8,084 -2.26% Q4 2025 Jan 29, 2026
Kovack Advisors, Inc. History Added to 268,906 852 0.04% 0.08% 6 +5,675 2.16% Q4 2025 Feb 17, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 180,249 571 0.0% 0.0% 7 -80,876 -30.97% Q4 2025 Feb 12, 2026
ACADIAN ASSET MANAGEMENT LLC History Reduced 125,219 396 0.0% 0.0% 8 -8,002 -6.01% Q4 2025 Feb 10, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 104,582 331 0.0% 0.0% 9 +2,967 2.92% Q4 2025 Feb 09, 2026
ESSEX INVESTMENT MANAGEMENT CO LLC History No change 74,641 236 0.04% 0.04% 10 0 0.0% Q4 2025 Feb 13, 2026
Steward Partners Investment Advisory, LLC History Added to 43,472 137 0.0% 0.0% 11 +8,555 24.5% Q4 2025 Feb 12, 2026
JAMES INVESTMENT RESEARCH, INC. History No change 22,402 71 0.01% 0.01% 12 0 0.0% Q4 2025 Jan 29, 2026
NewEdge Advisors, LLC History No change 22,402 71 0.0% 0.0% 13 0 0.0% Q4 2025 Feb 18, 2026
Legato Capital Management LLC History No change 17,550 55 0.0% 0.01% 14 0 0.0% Q4 2025 Feb 06, 2026
BlackRock, Inc. History No change 17,015 53 0.0% 0.0% 15 0 0.0% Q4 2025 Feb 12, 2026
STATE STREET CORP History No change 16,170 51 0.0% 0.0% 16 0 0.0% Q4 2025 Feb 13, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 15,697 49 0.0% 0.0% 17 +269 1.74% Q4 2025 Feb 17, 2026
NORTHERN TRUST CORP History Reduced 13,476 42 0.0% 0.0% 18 -5,630 -29.47% Q4 2025 Feb 17, 2026
DRW Securities, LLC History New 11,731 37 0.0% 19 +11,731 New Q4 2025 Feb 12, 2026
Tower Research Capital LLC (TRC) History Added to 2,131 6 0.0% 0.0% 21 +1,100 106.69% Q4 2025 Feb 17, 2026
SIMPLEX TRADING, LLC History Reduced 1,932 6 0.0% 0.0% 20 -880 -31.29% Q4 2025 Feb 11, 2026
Capital Analysts, LLC History New 159 1 0.0% 22 +159 New Q4 2025 Feb 11, 2026
Bank of New York Mellon Corp History Closed out 0 0 0.0% -116,751 -100.0% Q3 2025 Nov 03, 2025
UBS Group AG History Closed out 0 0 0.0% -2,716 -100.0% Q3 2025 Nov 13, 2025
ROYAL BANK OF CANADA History New 110 0 +110 New Q4 2025 Feb 17, 2026
BARD ASSOCIATES INC History New 100 0 +100 New Q4 2025 Feb 13, 2026
BANK OF AMERICA CORP /DE/ History Added to 87 0 +2 2.35% Q4 2025 Feb 17, 2026
HUNTINGTON NATIONAL BANK History No change 1 0 0 0.0% Q4 2025 Feb 09, 2026
SBI Securities Co., Ltd. History No change 1 0 0 0.0% Q4 2025 Feb 03, 2026