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DATA I O CORP
DATA I O CORP. Institutional holdings reported to the SEC.

Institutional Holders (2014Q2)
Portfolio Summary: 16 Institutional holders with a total value of $4,355,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Penbrook Management LLC 533,550 1,606,000 36.88%
2 DIMENSIONAL FUND ADVISORS LP 305,978 921,000 21.15%
3 RENAISSANCE TECHNOLOGIES LLC 255,000 768,000 17.63%
4 VANGUARD GROUP INC 228,498 688,000 15.80%
5 ROYAL BANK OF CANADA 29,751 90,000 2.07%
6 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 27,600 83,000 1.91%
7 NORTHERN TRUST CORP 22,894 69,000 1.58%
8 Bank of New York Mellon Corp 20,366 61,000 1.40%
9 BlackRock Institutional Trust Company, N.A. 12,716 38,000 0.87%
10 GLENMEDE TRUST CO NA 7,000 21,000 0.48%
11 UBS AG 1,775 5,000 0.11%
12 NEXT Financial Group, Inc 700 2,000 0.05%
13 Tower Research Capital LLC (TRC) 654 2,000 0.05%
14 Ground Swell Capital, LLC 200 1,000 0.02%
15 BANK OF AMERICA CORP /DE/ 126 0 0.00%
16 MORGAN STANLEY 13 0 0.00%

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.