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Data I/O Corp (DAIO) Ownership Data

Short Interest History (%)

This is the historical short interest of Data I/O Corp, as measured by the Short Percentage Of Float.

Institutional Ownership History (%)

This the Institutional Ownership History of Data I/O Corp Peter Lynch prefers to buy companies with low institutional ownership.

Insider ownership (%)

This is the historical insider ownership of Data I/O Corp. It is usually better to buy companies with large insider ownership. The company insiders' interest are more aligned with external shareholders in this case.

Top Direct Holders

HolderShares% of Shares
Outstanding
Report Date
Joel S. Hatlen196,7882.5%2014-09-10
Frederick R. Hume185,8642.36%2012-07-31
Anthony Ambrose138,1211.76%2014-10-25
Dr. Paul A. Gary69,4610.88%2010-10-19
William R. Walker34,2000.44%2012-05-10
Mr. Douglas W. Brown27,0000.34%2014-05-19
Harald A. Weigelt24,8890.32%2008-04-23
Steven M. Quist21,8760.28%2012-05-10
Brian T. Crowley21,4000.27%2014-05-30
Rajeev Gulati20,0000.25%2014-05-19

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Penbrook Management LLC535,0502014-09-306.821.621,760,000
Mercury Management, LLC398,6002014-04-045.120.00956,640
Dimensional Fund Advisors, Inc.305,9782014-09-303.900.001,007,000
Renaissance Technologies Corp262,7002014-09-303.350.00864,000
Vanguard Group, Inc.256,4092014-09-303.270.00844,000
Vanguard Extended Market Index Fund180,0662014-10-312.280.00606,822
DFA U.S. Micro Cap Portfolio77,0002014-09-300.980.01253,330
Vanguard Total Stock Mkt Idx76,3432014-10-310.970.00257,276
DFA US Small Cap Value II Portfolio74,2902014-09-300.950.00244,414
Royal Bank Of Canada29,7512014-09-300.380.0098,003

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