DAIO — Data I O Corp Institutional Holders · Q2 2026

Name: Who Owns DAIO? 36 Institutions Hold $12.3M (Q2 2026)
Creator: ko.io

Who owns Data I O Corp (DAIO)? 36 institutions reported holding $12.30M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Kanen Wealth Management LLC ($3.3M), Renaissance Technologies LLC ($1.5M), Vanguard Group Inc ($1.5M).

Rank	Institution	Value	Shares	Change
1	Kanen Wealth Management LLC	$3.3M	839,421	Hold
2	RENAISSANCE TECHNOLOGIES LLC	$1.5M	392,443	Trimmed
3	VANGUARD GROUP INC	$1.5M	387,439	Added
4	Penbrook Management LLC	$1.4M	355,850	Trimmed
5	Kovack Advisors, Inc.	$1.1M	285,481	Added
6	DIMENSIONAL FUND ADVISORS LP	$554,276	140,679	Hold
7	GEODE CAPITAL MANAGEMENT, LLC	$453,420	115,057	Added
8	ACADIAN ASSET MANAGEMENT LLC	$427,000	108,582	Trimmed
9	CITADEL ADVISORS LLC	$342,264	86,869	Trimmed
10	ESSEX INVESTMENT MANAGEMENT CO LLC	$293,759	74,558	Trimmed
11	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$191,279	48,548	Added
12	Steward Partners Investment Advisory, LLC	$171,280	43,472	Hold
13	THOMPSON DAVIS & CO., INC.	$92,720	23,533	New
14	NewEdge Advisors, LLC	$88,264	22,402	Hold
15	JAMES INVESTMENT RESEARCH, INC.	$88,264	22,402	Hold
16	NORTHERN TRUST CORP	$85,998	21,827	Added
17	LPL Financial LLC	$82,740	21,000	Trimmed
18	GROUP ONE TRADING LLC	$78,997	20,050	Added
19	JANE STREET GROUP, LLC	$69,844	17,727	New
20	Legato Capital Management LLC	$69,147	17,550	Hold
21	BlackRock, Inc.	$67,039	17,015	Hold
22	STATE STREET CORP	$63,710	16,170	Hold
23	XTX Topco Ltd	$60,219	15,284	New
24	SIMPLEX TRADING, LLC	$55,077	13,979	Added
25	HRT FINANCIAL LP	$44,000	11,288	New

Source: SEC Form 13F filings · as of 2026-06-30