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

Institutional Holders (2015Q2)
Portfolio Summary: 122 Institutional holders with a total value of $184,808,186.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 WELLINGTON MANAGEMENT GROUP LLP 4,092,067 21,157,000 11.45%
2 MIG Capital, LLC 2,309,453 11,940,000 6.46%
3 BlackRock Institutional Trust Company, N.A. 2,083,043 10,769,000 5.83%
4 VANGUARD GROUP INC 1,821,778 9,419,000 5.10%
5 RENAISSANCE TECHNOLOGIES LLC 1,689,100 8,733,000 4.73%
6 THB ASSET MANAGEMENT 1,609,123 8,319,000 4.50%
7 BlackRock Fund Advisors 1,519,907 7,858,000 4.25%
8 DIMENSIONAL FUND ADVISORS LP 1,498,113 7,745,000 4.19%
9 KORNITZER CAPITAL MANAGEMENT INC /KS 1,274,800 6,591,000 3.57%
10 PERRITT CAPITAL MANAGEMENT INC 1,012,243 5,233,000 2.83%
11 STATE STREET CORP 946,676 4,895,000 2.65%
12 ACADIAN ASSET MANAGEMENT LLC 902,553 4,666,000 2.52%
13 Engaged Capital LLC 851,822 4,404,000 2.38%
14 KESTREL INVESTMENT MANAGEMENT CORP 756,000 3,909,000 2.12%
15 ROYCE & ASSOCIATES LP 676,700 3,499,000 1.89%
16 NORTHERN TRUST CORP 614,651 3,178,000 1.72%
17 GSA CAPITAL PARTNERS LLP 490,820 2,538,000 1.37%
18 CONNORS INVESTOR SERVICES INC 495,677 2,530,000 1.37%
19 RICE HALL JAMES & ASSOCIATES, LLC 485,574 2,510,000 1.36%
20 D. E. Shaw & Co., Inc. 485,127 2,508,000 1.36%
21 Bank of New York Mellon Corp 473,535 2,447,000 1.32%
22 Numeric Investors LLC 458,907 2,373,000 1.28%
23 HAWK RIDGE CAPITAL MANAGEMENT LP 442,411 2,287,000 1.24%
24 Penbrook Management LLC 395,956 2,047,000 1.11%
25 Informed Momentum Co LLC 390,721 2,020,000 1.09%
26 TWO SIGMA ADVISERS, LP 357,705 1,849,000 1.00%
27 TWO SIGMA INVESTMENTS, LP 334,234 1,728,000 0.94%
28 OXFORD ASSET MANAGEMENT LLP 320,506 1,657,000 0.90%
29 KENNEDY CAPITAL MANAGEMENT LLC 318,917 1,649,000 0.89%
30 PERKINS CAPITAL MANAGEMENT INC 316,989 1,639,000 0.89%
31 GEODE CAPITAL MANAGEMENT, LLC 302,872 1,565,000 0.85%
32 MORGAN STANLEY 290,162 1,500,000 0.81%
33 ALGERT GLOBAL LLC 255,685 1,322,000 0.72%
34 MILLENNIUM MANAGEMENT LLC 254,730 1,317,000 0.71%
35 WASHINGTON CAPITAL MANAGEMENT, INC 243,579 1,260,000 0.68%
36 HighTower Advisors, LLC 240,080 1,241,000 0.67%
37 BRIDGEWAY CAPITAL MANAGEMENT, LLC 234,832 1,214,000 0.66%
38 SUSQUEHANNA INTERNATIONAL GROUP, LLP 220,979 1,142,000 0.62%
39 ESSEX INVESTMENT MANAGEMENT CO LLC 207,459 1,073,000 0.58%
40 BlackRock Investment Management, LLC 206,658 1,068,000 0.58%
41 TIAA CREF INVESTMENT MANAGEMENT LLC 206,018 1,065,000 0.58%
42 BLACKROCK ADVISORS LLC 203,413 1,052,000 0.57%
43 WHITE PINE CAPITAL LLC 202,500 1,047,000 0.57%
44 Stanley-Laman Group, Ltd. 197,789 1,023,000 0.55%
45 STONERIDGE INVESTMENT PARTNERS LLC 175,145 905,000 0.49%
46 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 166,400 860,000 0.47%
47 GMT CAPITAL CORP 163,860 847,000 0.46%
48 NEW YORK STATE COMMON RETIREMENT FUND 151,465 783,000 0.42%
49 STRS OHIO 133,800 691,000 0.37%
50 Invesco Ltd. 122,991 636,000 0.34%
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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.