What does CUSIP 237690102 represent in this 13F holders report?

CUSIP 237690102 is the security identifier for DAIO - DATA I/O CORP - Common Stock used to aggregate holder disclosures.

How many institutions held DAIO - DATA I/O CORP - Common Stock in Q2 2025?

26 institutional investors reported DAIO - DATA I/O CORP - Common Stock for Q2 2025. Use the holders table for investor-level position and value details.

DATA I/O CORP - Common Stock (DAIO)

CUSIP: 237690102

Q2 2025 13F Holders as of 30 Jun 2025

Security type / class: Equity / Common Stock
Total 13F shares: 3,214,683
Total 13F value: $9,925,095
Share change: +149,293
SEC-reported price per share: $3.10
Number of holders: 26
Value change: +$472,848
Number of buys: 13
Number of sells: 9
Shares outstanding: 10,367,919

Security key

237690102

Report period

Q2 2025

Institutions

Top holders

DAIO full security history Ownership snapshot Full 13F holder table DATA I/O CORP SEC filings DATA I/O CORP company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of DAIO - DATA I/O CORP - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Philotimo Fund, LP

Disclosed value leader

Kanen Wealth Management LLC

Comparable rows

15/15

Latest evidence

22 May 2025

13D/G 3/4/5 13F Lead comparable stake: 9.1% 13D/G row: Philotimo Fund, LP Showing 1-6 of 15 holder rows.

Quick read

Philotimo Fund, LP leads the comparable SEC ownership view at 9.1%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Philotimo Fund, LP's linked filing trail.

Comparable ownership Top 5

Philotimo Fund, LP 9.1%

Douglas Wells Brown 0.98%

Kanen Wealth Management LLC 8.1%

RENAISSANCE TECHNOLOGIES LLC 4.6%

VANGUARD GROUP INC 3.5%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Philotimo Fund, LP	13D/G Kanen David 13D/G	9.1%	$1,939,063 839,421 shares	$0	22 May 2025
Douglas Wells Brown	3/4/5 Director 3/4/5	0.98%	$252,362 101,759 shares	—	15 May 2025
Kanen Wealth Management LLC	13F Company 13F	8.1%	$2,056,582 839,421 shares	—	31 Mar 2025
RENAISSANCE TECHNOLOGIES LLC	13F Company 13F	4.6%	$1,175,057 479,615 shares	—	31 Mar 2025
VANGUARD GROUP INC	13F Company 13F	3.5%	$878,222 358,458 shares	—	31 Mar 2025
Kovack Advisors, Inc.	13F Company 13F	2.7%	$690,915 282,006 shares	—	31 Mar 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

3,214,683

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders

Q2 2025 holders

Holder diff

Investor	Q1 2025 Shares	Q2 2025 Shares	Share Diff	Share Chg %	Q1 2025 value	Q2 2025 value	Value change	Value Chg %