Dark
Light
System
Security
ZIX CORP COM
ZIX CORP COM. Institutional holdings reported to the SEC.

Institutional Holders (2014Q2)
Portfolio Summary: 99 Institutional holders with a total value of $116,734,368.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 WELLINGTON MANAGEMENT GROUP LLP 5,901,009 20,181,000 17.29%
2 BlackRock Institutional Trust Company, N.A. 2,323,821 7,947,000 6.81%
3 MIG Capital, LLC 1,961,753 6,709,000 5.75%
4 KORNITZER CAPITAL MANAGEMENT INC /KS 1,827,200 6,249,000 5.35%
5 VANGUARD GROUP INC 1,721,060 5,886,000 5.04%
6 BlackRock Fund Advisors 1,501,126 5,134,000 4.40%
7 DIMENSIONAL FUND ADVISORS LP 1,324,764 4,531,000 3.88%
8 RENAISSANCE TECHNOLOGIES LLC 1,310,753 4,483,000 3.84%
9 KESTREL INVESTMENT MANAGEMENT CORP 1,107,700 3,788,000 3.24%
10 Allianz Asset Management GmbH 1,050,187 3,592,000 3.08%
11 ROYCE & ASSOCIATES LP 985,000 3,369,000 2.89%
12 STATE STREET CORP 982,499 3,365,000 2.88%
13 KENNEDY CAPITAL MANAGEMENT LLC 865,975 2,962,000 2.54%
14 NORTHERN TRUST CORP 725,756 2,482,000 2.13%
15 THB ASSET MANAGEMENT 722,710 2,471,000 2.12%
16 WELLS FARGO & COMPANY/MN 658,332 2,252,000 1.93%
17 PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. 600,217 2,053,000 1.76%
18 Granahan Investment Management, LLC 539,097 1,844,000 1.58%
19 PERKINS CAPITAL MANAGEMENT INC 408,716 1,398,000 1.20%
20 HAWK RIDGE CAPITAL MANAGEMENT LP 408,327 1,396,000 1.20%
21 CADENCE CAPITAL MANAGEMENT LLC 332,625 1,138,000 0.97%
22 MORGAN STANLEY 311,072 1,064,000 0.91%
23 Bank of New York Mellon Corp 310,063 1,061,000 0.91%
24 GEODE CAPITAL MANAGEMENT, LLC 274,318 938,000 0.80%
25 Stanley-Laman Group, Ltd. 272,079 931,000 0.80%
26 GSA CAPITAL PARTNERS LLP 271,741 929,000 0.80%
27 TWO SIGMA INVESTMENTS, LP 271,159 927,000 0.79%
28 Perimeter Capital Partners, LLC 270,373 925,000 0.79%
29 TWO SIGMA ADVISERS, LP 270,200 924,000 0.79%
30 HighTower Advisors, LLC 266,680 912,000 0.78%
31 WHITE PINE CAPITAL LLC 260,025 889,000 0.76%
32 D. E. Shaw & Co., Inc. 240,525 823,000 0.71%
33 TIAA CREF INVESTMENT MANAGEMENT LLC 240,102 821,000 0.70%
34 BRIDGEWAY CAPITAL MANAGEMENT, LLC 234,182 801,000 0.69%
35 Beaumont Financial Partners, LLC 229,225 784,000 0.67%
36 BlackRock Group LTD 204,780 700,000 0.60%
37 MILLENNIUM MANAGEMENT LLC 198,405 679,000 0.58%
38 KING INVESTMENT ADVISORS INC/TX 179,137 613,000 0.53%
39 BlackRock Investment Management, LLC 176,438 603,000 0.52%
40 Penbrook Management LLC 168,244 575,000 0.49%
41 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 166,400 569,000 0.49%
42 CITADEL ADVISORS LLC 130,670 447,000 0.38%
43 TFS CAPITAL LLC 126,325 432,000 0.37%
44 STRS OHIO 120,700 413,000 0.35%
45 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 108,228 370,000 0.32%
46 STONERIDGE INVESTMENT PARTNERS LLC 97,147 332,000 0.28%
47 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 88,900 305,000 0.26%
48 TEACHERS ADVISORS, LLC 85,986 294,000 0.25%
49 MARTIN & CO INC /TN/ 82,200 281,000 0.24%
50 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 74,787 256,000 0.22%
Page 1 of 2

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.