Dark
Light
System
Security
DATA I O CORP
DATA I O CORP. Institutional holdings reported to the SEC.

Institutional Holders (2016Q3)
Portfolio Summary: 21 Institutional holders with a total value of $6,170,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Penbrook Management LLC 465,090 1,637,000 26.53%
2 RENAISSANCE TECHNOLOGIES LLC 329,000 1,158,000 18.77%
3 DIMENSIONAL FUND ADVISORS LP 300,492 1,049,000 17.00%
4 VANGUARD GROUP INC 251,208 877,000 14.21%
5 PERRITT CAPITAL MANAGEMENT INC 187,835 661,000 10.71%
6 SHEPHERD KAPLAN KROCHUK, LLC 67,150 236,000 3.82%
7 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 27,600 96,000 1.56%
8 EAGLE GLOBAL ADVISORS LLC 23,960 84,000 1.36%
9 ROYAL BANK OF CANADA 21,050 74,000 1.20%
10 NORTHERN TRUST CORP 19,084 68,000 1.10%
11 Bank of New York Mellon Corp 17,473 61,000 0.99%
12 BlackRock Institutional Trust Company, N.A. 11,833 42,000 0.68%
13 SALEM INVESTMENT COUNSELORS INC 1,000 35,000 0.57%
14 JAMES INVESTMENT RESEARCH, INC. 9,150 32,000 0.52%
15 PANAGORA ASSET MANAGEMENT INC 7,894 28,000 0.45%
16 MORGAN STANLEY 3,801 13,000 0.21%
17 DEUTSCHE BANK AG\ 3,017 10,000 0.16%
18 BlackRock Fund Advisors 1,606 6,000 0.10%
19 Tower Research Capital LLC (TRC) 621 2,000 0.03%
20 WELLS FARGO & COMPANY/MN 200 1,000 0.02%
21 BANK OF AMERICA CORP /DE/ 39 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.