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

Institutional Holders (2014Q3)
Portfolio Summary: 104 Institutional holders with a total value of $114,726,425.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 WELLINGTON MANAGEMENT GROUP LLP 6,282,785 21,487,000 18.73%
2 MIG Capital, LLC 2,319,453 7,933,000 6.91%
3 BlackRock Institutional Trust Company, N.A. 2,111,785 7,222,000 6.29%
4 VANGUARD GROUP INC 1,716,701 5,871,000 5.12%
5 KORNITZER CAPITAL MANAGEMENT INC /KS 1,679,200 5,743,000 5.01%
6 BlackRock Fund Advisors 1,431,890 4,897,000 4.27%
7 RENAISSANCE TECHNOLOGIES LLC 1,377,500 4,711,000 4.11%
8 DIMENSIONAL FUND ADVISORS LP 1,364,807 4,668,000 4.07%
9 KESTREL INVESTMENT MANAGEMENT CORP 1,053,100 3,602,000 3.14%
10 STATE STREET CORP 981,554 3,361,000 2.93%
11 ROYCE & ASSOCIATES LP 944,600 3,231,000 2.82%
12 NORTHERN TRUST CORP 914,777 3,129,000 2.73%
13 KENNEDY CAPITAL MANAGEMENT LLC 890,155 3,044,000 2.65%
14 WELLS FARGO & COMPANY/MN 627,247 2,145,000 1.87%
15 PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. 600,217 2,053,000 1.79%
16 Murphy Michael R 549,946 1,881,000 1.64%
17 Granahan Investment Management, LLC 535,308 1,831,000 1.60%
18 HAWK RIDGE CAPITAL MANAGEMENT LP 444,727 1,521,000 1.33%
19 Coe Capital Management, LLC 428,393 1,465,104 1.28%
20 PERKINS CAPITAL MANAGEMENT INC 360,039 1,231,000 1.07%
21 MORGAN STANLEY 351,857 1,204,000 1.05%
22 D. E. Shaw & Co., Inc. 335,524 1,147,000 1.00%
23 MILLENNIUM MANAGEMENT LLC 327,078 1,119,000 0.98%
24 Bank of New York Mellon Corp 287,660 983,000 0.86%
25 WHITE PINE CAPITAL LLC 286,375 979,000 0.85%
26 GEODE CAPITAL MANAGEMENT, LLC 280,034 957,000 0.83%
27 HighTower Advisors, LLC 266,680 912,000 0.79%
28 Stanley-Laman Group, Ltd. 246,761 844,000 0.74%
29 TWO SIGMA INVESTMENTS, LP 240,881 824,000 0.72%
30 BRIDGEWAY CAPITAL MANAGEMENT, LLC 234,182 801,000 0.70%
31 TIAA CREF INVESTMENT MANAGEMENT LLC 226,514 775,000 0.68%
32 TWO SIGMA ADVISERS, LP 214,300 733,000 0.64%
33 OXFORD ASSET MANAGEMENT LLP 207,905 713,000 0.62%
34 BlackRock Group LTD 194,280 664,000 0.58%
35 BlackRock Investment Management, LLC 175,904 602,000 0.52%
36 GSA CAPITAL PARTNERS LLP 175,641 601,000 0.52%
37 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 166,400 569,000 0.50%
38 KING INVESTMENT ADVISORS INC/TX 161,927 554,000 0.48%
39 Penbrook Management LLC 160,056 547,000 0.48%
40 THB ASSET MANAGEMENT 145,768 498,000 0.43%
41 Orbitronix, LP 133,500 457,000 0.40%
42 STRS OHIO 115,400 395,000 0.34%
43 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 109,449 374,000 0.33%
44 STONERIDGE INVESTMENT PARTNERS LLC 97,147 332,000 0.29%
45 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 88,900 305,000 0.27%
46 BLACKROCK ADVISORS LLC 86,829 297,000 0.26%
47 TEACHERS ADVISORS, LLC 85,986 294,000 0.26%
48 COMMONWEALTH BANK OF AUSTRALIA 84,100 288,000 0.25%
49 MARTIN & CO INC /TN/ 83,100 284,000 0.25%
50 TFS CAPITAL LLC 75,185 257,000 0.22%
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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.