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

Institutional Holders (2014Q4)
Portfolio Summary: 12 Institutional holders with a total value of $5,036,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Penbrook Management LLC 524,416 1,773,000 35.21%
2 DIMENSIONAL FUND ADVISORS LP 302,834 1,033,000 20.51%
3 RENAISSANCE TECHNOLOGIES LLC 272,600 921,000 18.29%
4 VANGUARD GROUP INC 256,409 874,000 17.36%
5 ROYAL BANK OF CANADA 34,751 117,000 2.32%
6 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 27,600 87,000 1.73%
7 NORTHERN TRUST CORP 23,068 78,000 1.55%
8 Bank of New York Mellon Corp 20,366 69,000 1.37%
9 BlackRock Institutional Trust Company, N.A. 11,833 40,000 0.79%
10 GLENMEDE TRUST CO NA 7,000 23,000 0.46%
11 MORGAN STANLEY 5,592 19,000 0.38%
12 NEXT Financial Group, Inc 700 2,000 0.04%

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.