Data I/O Corporation
Data I/O Corporation（DAIO）股东结构
基于 13F 申报与流通股数据，展示机构、内部人与公众持股结构；下方为前十大机构、机构动向与内部人交易。
SEC 13F · FMP · DAIO · 截至 2025年9月30日
股东结构概览
26
机构持有人数
$10.67M
机构持仓总市值
▲ $745,521 vs Q2
9.39M
总流通股
freeFloat 95.07%
3.19M
13F 申报持股数
▼ 23,428 vs Q2
机构持仓% = 13F 持股数 ÷ 总流通股。内部人% = 100 − 自由流通率。散户% = 自由流通率 − 机构%。数据来源：FMP /symbol-positions-summary + /shares-float + SEC EDGAR。
前10大机构持仓
DAIO 最大股东 · 机构持仓
Q3 2025 · SEC 13F
显示前 10 家
| 机构 | 持股数 | 占比 | 权重 | 市值 | 申报日 | 变动 |
|---|---|---|---|---|---|---|
KANEN WEALTH MANAGEMENT LLC instruments for meas & testing of electricity & elec signals | 839.4K | 9.03% | 9.03% | $2.82B | Nov 14, 2025 | — held |
RENAISSANCE TECHNOLOGIES LLC instruments for meas & testing of electricity & elec signals | 476.8K | 5.13% | 5.13% | $1.59B | Nov 13, 2025 | ▲ 491 |
VANGUARD GROUP INC instruments for meas & testing of electricity & elec signals | 358.5K | 3.86% | 3.86% | $1.20B | Nov 7, 2025 | — held |
PENBROOK MANAGEMENT LLC instruments for meas & testing of electricity & elec signals | 352.8K | 3.79% | 3.79% | $1.18B | Oct 22, 2025 | ▲ 3.0K |
KOVACK ADVISORS, INC. instruments for meas & testing of electricity & elec signals | 263.2K | 2.83% | 2.83% | $879.19M | Nov 10, 2025 | ▼ 6.2K |
DIMENSIONAL FUND ADVISORS LP instruments for meas & testing of electricity & elec signals | 261.1K | 2.81% | 2.81% | $872.16M | Nov 12, 2025 | ▼ 9.0K |
ACADIAN ASSET MANAGEMENT LLC instruments for meas & testing of electricity & elec signals | 133.2K | 1.43% | 1.43% | $444.00M | Nov 13, 2025 | — held |
BANK OF NEW YORK MELLON CORP instruments for meas & testing of electricity & elec signals | 116.8K | 1.26% | 1.26% | $389.95M | Nov 3, 2025 | — held |
GEODE CAPITAL MANAGEMENT, LLC instruments for meas & testing of electricity & elec signals | 101.6K | 1.09% | 1.09% | $339.47M | Nov 12, 2025 | ▲ 4.0K |
CITADEL ADVISORS LLC instruments for meas & testing of electricity & elec signals | 79.5K | 85.52% | 85.52% | $265.53M | Nov 14, 2025 | ▲ 79.5K |
数据来源：SEC 13F 申报文件。变动标识：isNew / isSoldOut / changeInSharesNumber。
机构仓位变动
Q3 2025 对比上季度
Q3 2025
7
增持
+101.8K 股1
新建仓
首次建仓6
减持
−25.7K 股2
清仓
完全退出净股数变化（前50家）
+76.1K
+101.8K / −25.7K
净新增持仓人
+0
新建 1 个 / 退出 2 个
基于前50家最大机构持仓统计，全市场实际数量可能不同。
内幕交易买卖情绪
DAIO 内幕交易记录
数据来源：SEC Form 4
近期内部人员净买入。 卖出可能源于预定的 10b5-1 计划，不代表负面展望。
3
买入笔数
0
卖出笔数
0.00
买卖比
$0M
卖出总金额
最近内幕交易记录
最近10条 · 仅普通股
| 姓名 · 职位 | 日期 | 类型 | 股数 | 价格 | 金额 | 交易后持股 | 申报 |
|---|---|---|---|---|---|---|---|
Wentworth William O. President | Dec 2, 2025 | Award | 7,455 | $2.78 | $20.8K | 52.9K | Form 4 ↗ |
Wentworth William O. President | Dec 3, 2025 | Award | 1,100 | $2.80 | $3.1K | 54.0K | Form 4 ↗ |
WASZAK STEVEN M director | Dec 3, 2025 | Award | 7,950 | $2.79 | $22.2K | 8.0K | Form 4 ↗ |
DiBona Charles Joseph Vice President & CFO | Sep 1, 2025 | Award | 100,000 | $3.15 | $315.4K | 100.0K | Form 4 ↗ |
SMITH EDWARD J director | May 15, 2025 | Award | 20,300 | $2.48 | $50.3K | 63.1K | Form 4 ↗ |
Larson Garrett Riley director | May 15, 2025 | Award | 20,300 | $2.48 | $50.3K | 30.6K | Form 4 ↗ |
Brown Douglas Wells director | May 15, 2025 | Award | 20,300 | $2.48 | $50.3K | 101.8K | Form 4 ↗ |
Washlow Sally A. director | May 15, 2025 | Award | 20,300 | $2.48 | $50.3K | 72.7K | Form 4 ↗ |
SMITH EDWARD J director | May 7, 2025 | Purchase | 5,000 | $2.46 | $12.3K | 42.8K | Form 4 ↗ |
Wentworth William O. President | May 1, 2025 | Purchase | 10,585 | $2.36 | $25.0K | 35.1K | Form 4 ↗ |
数据来源：SEC Form 4。买卖方向：acquisitionOrDisposition A=买入，D=卖出。已排除 RSU 归属（M-Exempt）。
关于机构与内部人持股结构
Data I/O Corporation（DAIO）主要由机构投资者持有，机构持股比例约为 34.0%。公司内部人员持股约 4.93%，散户及公众持股约占剩余的 61.10%。
Data I/O Corporation 最大机构股东为 KANEN WEALTH MANAGEMENT LLC，截至 September 30, 2025 持有约 839,421 股，占总流通股的 9.03%。
目前共有 26 家机构持有 DAIO 股票，合计持仓市值约 $10,670,616，数据来源为最新 SEC 13F 申报。
常见问题
DAIO ownershipData I/O Corporation（DAIO）主要由机构投资者持有，机构持股约 34.0%。最大股东为 KANEN WEALTH MANAGEMENT LLC，持股比例 9.03%。内部人员持股约 4.93%。数据来源 SEC Form 13F，截至 September 30, 2025。