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Livermore
Livermore
ZHEN

Vanguard Group Inc

SEC CIK
0000102909
Latest filing
Jan 29, 2026

DAIO holding history

Data I/O Corp in every 13F filed by Vanguard Group Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

DAIO overviewAll 13F holders of DAIOFull Q4 2025 holdings

Shares (Q4 2025)
350,374
Value
$1.11M
% of portfolio
<0.1%
Quarters held
20
Since Q1 2021
Holdings of DAIO by Vanguard Group Inc, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 2025350,374$1.11M<0.1%−8,084−2.3%ReducedHolders
Q3 2025358,458$1.20M<0.1%00.0%UnchangedHolders
Q2 2025358,458$1.10M<0.1%00.0%UnchangedHolders
Q1 2025358,458$878.2K<0.1%−1,496−0.4%ReducedHolders
Q4 2024359,954$997.1K<0.1%−1,900−0.5%ReducedHolders
Q3 2024361,854$930.0K<0.1%00.0%UnchangedHolders
Q2 2024361,854$998.7K<0.1%+10,465+3.0%AddedHolders
Q1 2024351,389$1.24M<0.1%+22,020+6.7%AddedHolders
Q4 2023329,369$968.3K<0.1%+413+0.1%AddedHolders
Q3 2023328,956$1.25M<0.1%00.0%UnchangedHolders
Q2 2023328,956$1.41M<0.1%00.0%UnchangedHolders
Q1 2023328,956$1.63M<0.1%00.0%UnchangedHolders
Q4 2022328,956$1.31M<0.1%+1120.0%AddedHolders
Q3 2022328,844$917.0K<0.1%00.0%UnchangedHolders
Q2 2022328,844$1.01M<0.1%00.0%UnchangedHolders
Q1 2022328,844$1.40M<0.1%−2,095−0.6%ReducedHolders
Q4 2021330,939$1.53M<0.1%−452−0.1%ReducedHolders
Q3 2021331,391$2.16M<0.1%00.0%UnchangedHolders
Q2 2021331,391$2.26M<0.1%+5,124+1.6%AddedHolders
Q1 2021326,267$1.77M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.