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Data I/O (DAIO) Institutional Ownership

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$2.97 0.00 (0.00%)
As of 08/21/2026 04:00 PM Eastern
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Institutional Ownership Changes (13F Filings) for Data I/O (NASDAQ:DAIO)

Current
Institutional Ownership
Percentage
36.95%
Number of
Institutional Buyers
(last 12 months)
6
Total
Institutional Inflows
(last 12 months)
$265.86K
Number of
Institutional Sellers
(last 12 months)
4
Total
Institutional Outflows
(last 12 months)
$631.66K
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DAIO Institutional Buying and Selling by Quarter

Data I/O Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/20/2026 Susquehanna International Group LLP48,548$191K0.0%+80.9%0.517%
8/7/2026 BlackRock Inc.17,015$67K0.0%N/A0.181%
5/14/2026 Renaissance Technologies LLC407,643$1.03M0.0%-6.9%4.341%
5/7/2026 Dimensional Fund Advisors LP140,679$356K0.0%-22.0%1.498%
2/17/2026 Kovack Advisors Inc.268,906$852K0.0%+2.2%2.863%
2/12/2026 DRW Securities LLC11,731$37K0.0%N/A0.125%
2/12/2026 Renaissance Technologies LLC437,637$1.39M0.0%-8.2%4.661%
2/12/2026 Dimensional Fund Advisors LP180,249$571K0.0%-31.0%1.920%
2/12/2026 Steward Partners Investment Advisory LLC43,472$138K0.0%+24.5%0.463%
2/12/2026 Kovack Advisors Inc.268,906$871K0.0%+2.2%2.864%
1/6/2026 Penbrook Management LLC356,850$1.13M0.8%+1.2%3.800%
11/17/2025 Susquehanna International Group LLP15,428$52K0.0%-32.1%0.164%
11/12/2025 Dimensional Fund Advisors LP261,125$872K0.0%-3.3%2.781%
11/10/2025 Kovack Advisors Inc.263,231$879K0.1%-2.3%2.804%
8/14/2025 NewEdge Advisors LLC22,402$69K0.0%+45.4%0.242%
8/12/2025 Steward Partners Investment Advisory LLC20,917$65K0.0%N/A0.226%
8/4/2025 Kovack Advisors Inc.269,431$835K0.1%-4.5%2.916%
8/1/2025 James Investment Research Inc.22,402$69K0.0%+45.4%0.242%
7/28/2025 Penbrook Management LLC349,750$1.08M0.8%+29.8%3.785%
5/7/2025Essex Investment Management Co. LLC43,691$107K0.0%+11.8%0.473%
2/13/2025Renaissance Technologies LLC503,643$1.40M0.0%+0.7%5.451%
2/7/2025Essex Investment Management Co. LLC39,063$108K0.0%+37.6%0.423%
2/5/2025Kovack Advisors Inc.279,806$775K0.1%-7.1%3.028%
1/29/2025Legato Capital Management LLC10,676$30K0.0%N/A0.116%
11/16/2024Geode Capital Management LLC96,512$248K0.0%+30.9%1.045%
11/6/2024Kovack Advisors Inc.301,206$774K0.1%-6.3%3.260%
10/8/2024Perkins Coie Trust Co29,600$76K0.0%+44.4%0.328%
8/9/2024Renaissance Technologies LLC517,543$1.43M0.0%-1.9%5.735%
8/9/2024Dimensional Fund Advisors LP248,975$687K0.0%-6.1%2.759%
7/15/2024Perkins Coie Trust Co20,500$56K0.0%N/A0.227%
5/3/2024Essex Investment Management Co. LLC81,990$289K0.1%+28.2%0.909%
4/19/2024Kovack Advisors Inc.327,201$1.15M0.1%-1.9%3.628%
4/18/2024Penbrook Management LLC312,050$1.10M0.7%-8.9%3.460%
4/11/2024Salem Investment Counselors Inc.15,796$56K0.0%N/A0.175%
2/8/2024Essex Investment Management Co. LLC63,937$188K0.0%-26.6%0.709%
2/2/2024Kovack Advisors Inc.333,701$981K0.1%-3.3%3.700%
11/13/2023Acadian Asset Management LLC146,540$557K0.0%-33.3%1.625%
11/9/2023Essex Investment Management Co. LLC87,165$332K0.1%-5.5%0.966%
11/8/2023Janney Montgomery Scott LLC20,852$79K0.0%-27.7%0.231%
10/24/2023Bank of New York Mellon Corp121,535$463K0.0%N/A1.347%
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8/15/2023Kanen Wealth Management LLC826,421$3.55M2.4%+2.5%9.370%
7/21/2023Kovack Advisors Inc.353,201$1.52M0.2%+2.2%4.005%
5/4/2023Essex Investment Management Co. LLC90,416$449K0.1%N/A1.025%
4/21/2023Kovack Advisors Inc.345,701$1.72M0.2%+2.4%3.920%
4/20/2023Penbrook Management LLC347,250$1.73M1.3%-0.7%3.937%
2/22/2023Kovack Advisors Inc.337,501$1.34M0.2%+9.9%3.827%
2/13/2023Kanen Wealth Management LLC392,207$1.56M0.8%-37.1%4.447%
2/1/2023Janney Montgomery Scott LLC30,852$122K0.0%-22.6%0.350%
11/14/2022United Capital Financial Advisers LLC258,172$720K0.0%+23.0%2.928%
11/14/2022Kovack Advisors Inc.307,001$857K0.1%+4.2%3.482%
8/15/2022Kanen Wealth Management LLC808,914$2.48M1.4%+2.9%9.380%
8/12/2022United Capital Financial Advisers LLC209,943$645K0.0%+22.5%2.434%
8/3/2022Janney Montgomery Scott LLC39,852$120K0.0%+9.6%0.462%


DAIO Institutional Ownership - Frequently Asked Questions

During the previous two years, 14 institutional investors and hedge funds held shares of Data I/O. The most heavily invested institutionals were Penbrook Management LLC ($1.13M), Renaissance Technologies LLC ($1.03M), Kovack Advisors Inc. ($852K), Dimensional Fund Advisors LP ($356K), Geode Capital Management LLC ($248K), Susquehanna International Group LLP ($191K), and Steward Partners Investment Advisory LLC ($138K).Learn more on Data I/O's institutional investors.

36.95% of Data I/O's stock is owned by institutional investors. Learn more on DAIO's institutional investor holdings.

Of the 13 institutional investors that purchased Data I/O's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Penbrook Management LLC ($84.40K), Steward Partners Investment Advisory LLC ($29.47K), Geode Capital Management LLC ($22.80K), Susquehanna International Group LLP ($21.71K), BlackRock Inc. ($17.02K), Essex Investment Management Co. LLC ($15.31K), and DRW Securities LLC ($11.73K).

Institutional investors have bought a total of 74,462 shares in the last 24 months. This purchase volume represents approximately $265.86K in transactions.

The following institutional investors have sold Data I/O stock in the last 24 months: Dimensional Fund Advisors LP ($129.43K), Renaissance Technologies LLC ($69.19K), Susquehanna International Group LLP ($7.28K), and Kovack Advisors Inc. ($6.20K).

Institutional investors have sold a total of 212,102 shares in the last 24 months. This volume of shares sold represents approximately $631.66K in transactions.


Related Companies

Institutional ownership data for NASDAQ:DAIO is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/20/2026. New 13F filings are added each quarter as they're published.
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