Data I/O Ownership | Who Owns Data I/O?


OverviewRevenueFinancialsChartTranscripts

Data I/O Ownership Summary


Data I/O is owned by 34.58% institutional investors, 8.20% insiders, and 57.22% retail investors. Kanen wealth management is the largest institutional shareholder, holding 9.03% of DAIO shares. Philotimo Focused Growth and Income is the top mutual fund, with 3.54% of its assets in Data I/O shares.

DAIO Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockData I/O34.58%8.20%57.22%
SectorTechnology Stocks 147.06%12.43%-59.49%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Kanen wealth management839.42K9.03%$2.82M
Renaissance476.83K5.13%$1.59M
Vanguard group358.46K3.86%$1.20M
Penbrook management352.75K3.79%$1.18M
Kovack advisors263.23K2.83%$879.19K
Dimensional fund advisors lp261.13K2.81%$872.16K
Acadian asset management133.22K1.43%$444.00K
Bank of new york mellon116.75K1.26%$389.95K
Geode capital management101.61K1.09%$339.47K
Essex investment management74.64K0.80%$249.30K

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Kanen wealth management839.42K0.94%$2.82M
Penbrook management352.75K0.82%$1.18M
Kovack advisors263.23K0.08%$879.19K
Essex investment management74.64K0.04%$249.30K
James investment research22.40K0.01%$74.82K
Legato capital management17.55K0.01%$58.62K
Renaissance476.83K0.00%$1.59M
Acadian asset management133.22K0.00%$444.00K
Steward partners investment advisory34.92K0.00%$116.62K
Newedge advisors22.40K0.00%$74.82K

Top Buyers

HolderShares% AssetsChange
Susquehanna group, llp37.35K-37.35K
Steward partners investment advisory34.92K0.00%14.00K
Citadel advisors6.50K-5.10K
Geode capital management101.61K-4.02K
Penbrook management352.75K0.82%3.00K

Top Sellers

HolderShares% AssetsChange
Zacks investment management---49.90K
Perritt capital management---49.37K
Perkins coie trust---29.60K
Bard associates---21.74K
Salem investment counselors---15.80K

New Positions

HolderShares% AssetsChangeValue
Ubs group2.72K-2.72K$9.07K

Sold Out

HolderChange
Wells fargo & company/mn-1.00
Jpmorgan chase-17.00
Planned solutions-100.00
Advisor group-400.00
Innealta capital-472.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 202526-7.14%3,214,6834.87%343.14%1385.71%620.00%
Mar 31, 202527-12.90%2,918,850-6.97%312.74%6-14.29%5-
Dec 31, 2024316.90%3,137,498-0.89%332.89%7-12.50%5-28.57%
Sep 30, 202429-9.38%3,165,685-3.59%342.59%8-11.11%7-12.50%
Jun 30, 202432-3,283,499-2.09%362.59%9-30.77%8-20.00%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Philotimo Focused Growth and Income327.40K3.54%-
Vanguard US Total Market Shares ETF213.34K2.31%-
Vanguard Total Stock Mkt Idx Inv208.78K2.22%-4.56K
Vanguard Institutional Extnd Mkt Idx Tr90.62K0.97%-41.29K
DFA US Targeted Value I81.76K0.87%-
Perritt Ultra MicroCap49.37K0.53%-
DFA US Micro Cap I49.45K0.53%-
Dimensional US Targeted Value ETF45.35K0.48%-
Fidelity Extended Market Index44.03K0.47%-362.00
DFA US Small Cap I31.66K0.34%-

Recent Insider Transactions


DateNameRoleActivityValue
May 07, 2025SMITH EDWARD J-Buy$12.30K
May 01, 2025Wentworth William O. PresidentBuy$24.98K
May 06, 2025Wentworth William O. PresidentBuy$25.00K
Aug 26, 2024Brown Douglas Wells-Buy$7.98K
Nov 01, 2021Ambrose Anthony PresidentSell$56.00K

Insider Transactions Trends


DateBuySell
2025 Q23-
2025 Q1--
2024 Q31-
2024 Q2--
2023 Q3--

DAIO Ownership FAQ


Who owns the most shares of Data I/O?

Data I/O’s largest shareholders are Kanen wealth management (839.42K shares, 9.03%), Renaissance (476.83K shares, 5.13%), and Vanguard group (358.46K shares, 3.86%). Together, they hold 18.02% of Data I/O’s total shares outstanding.

Does Blackrock own Data I/O?

BlackRock is not among the top 10 institutional shareholders of Data I/O.

Who is Data I/O’s biggest shareholder by percentage of total assets invested?

Kanen wealth management is Data I/O’s biggest shareholder by percentage of total assets invested, with 0.94% of its assets in 839.42K Data I/O shares, valued at 2.82M$.

Who is the top mutual fund holder of Data I/O shares?

Philotimo Focused Growth and Income is the top mutual fund holder of Data I/O shares, with 3.54% of its total shares outstanding invested in 327.4K Data I/O shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

  • Customize your own personal stocks lists, views and charts

  • Choose from hundreds of fields, up to 15 years of history

  • Conduct deep comparison analysis

  • Discover trending investment themes

  • Find your next best investment

  • Research stocks using tools