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ZIX CORP COM
ZIX CORP COM. Institutional holdings reported to the SEC.

Institutional Holders (2016Q4)
Portfolio Summary: 128 Institutional holders with a total value of $170,160,606.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 RENAISSANCE TECHNOLOGIES LLC 3,036,400 15,000,000 8.82%
2 BlackRock Institutional Trust Company, N.A. 2,313,873 11,431,000 6.72%
3 PENSERRA CAPITAL MANAGEMENT LLC 2,148,973 10,293,000 6.05%
4 VANGUARD GROUP INC 2,034,501 10,051,000 5.91%
5 DIMENSIONAL FUND ADVISORS LP 1,860,427 9,191,000 5.40%
6 BlackRock Fund Advisors 1,725,661 8,525,000 5.01%
7 THB ASSET MANAGEMENT 1,229,817 6,075,000 3.57%
8 STATE STREET CORP 1,218,864 6,020,000 3.54%
9 Numeric Investors LLC 1,053,944 5,206,000 3.06%
10 D. E. Shaw & Co., Inc. 1,022,477 5,051,000 2.97%
11 PERRITT CAPITAL MANAGEMENT INC 1,020,043 5,039,000 2.96%
12 RICE HALL JAMES & ASSOCIATES, LLC 906,963 4,480,000 2.63%
13 NORTHERN TRUST CORP 643,547 3,179,000 1.87%
14 CONNORS INVESTOR SERVICES INC 632,122 3,123,000 1.84%
15 GSA CAPITAL PARTNERS LLP 606,032 2,994,000 1.76%
16 CLOVERDALE CAPITAL MANAGEMENT, LLC 525,926 2,598,000 1.53%
17 ALGERT GLOBAL LLC 522,942 2,583,000 1.52%
18 MORGAN STANLEY 514,227 2,540,000 1.49%
19 KESTREL INVESTMENT MANAGEMENT CORP 509,450 2,517,000 1.48%
20 WADDELL & REED FINANCIAL INC 486,588 2,404,000 1.41%
21 BANK OF AMERICA CORP /DE/ 484,708 2,395,000 1.41%
22 GEODE CAPITAL MANAGEMENT, LLC 444,907 2,197,000 1.29%
23 MILLENNIUM MANAGEMENT LLC 417,961 2,065,000 1.21%
24 Bank of New York Mellon Corp 406,745 2,009,000 1.18%
25 JPMORGAN CHASE & CO 400,937 1,981,000 1.16%
26 OXFORD ASSET MANAGEMENT LLP 374,771 1,851,000 1.09%
27 AJO, LP 336,170 1,661,000 0.98%
28 ROYCE & ASSOCIATES LP 332,000 1,640,000 0.96%
29 GOLDMAN SACHS GROUP INC 316,861 1,566,000 0.92%
30 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 303,033 1,497,000 0.88%
31 TIAA CREF INVESTMENT MANAGEMENT LLC 296,442 1,464,000 0.86%
32 MENTA CAPITAL LLC 290,863 1,437,000 0.84%
33 AMERICAN CENTURY COMPANIES INC 284,535 1,406,000 0.83%
34 PERKINS CAPITAL MANAGEMENT INC 280,989 1,388,000 0.82%
35 BLACKROCK ADVISORS LLC 272,637 1,347,000 0.79%
36 TWO SIGMA INVESTMENTS, LP 264,206 1,305,000 0.77%
37 GLOBEFLEX CAPITAL L P 261,100 1,290,000 0.76%
38 HighTower Advisors, LLC 237,373 1,173,000 0.69%
39 PANAGORA ASSET MANAGEMENT INC 233,643 1,154,000 0.68%
40 BlackRock Investment Management, LLC 210,760 1,041,000 0.61%
41 TWO SIGMA ADVISERS, LP 195,774 967,000 0.57%
42 BRIDGEWAY CAPITAL MANAGEMENT, LLC 192,682 952,000 0.56%
43 ACADIAN ASSET MANAGEMENT LLC 185,358 915,000 0.54%
44 Spark Investment Management LLC 176,900 873,000 0.51%
45 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 176,500 872,000 0.51%
46 MARTIN & CO INC /TN/ 160,710 794,000 0.47%
47 GMT CAPITAL CORP 157,330 777,000 0.46%
48 TEACHERS ADVISORS, LLC 150,579 744,000 0.44%
49 STRS OHIO 148,100 731,000 0.43%
50 AQR CAPITAL MANAGEMENT LLC 142,533 704,000 0.41%
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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.