Dark
Light
System
Security
XO GROUP INC COM
XO GROUP INC COM. Institutional holdings reported to the SEC.

Institutional Holders (2015Q3)
Portfolio Summary: 121 Institutional holders with a total value of $295,162,957.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 WEITZ INVESTMENT MANAGEMENT, INC. 1,879,286 26,554,000 9.00%
2 BlackRock Fund Advisors 1,534,561 21,683,000 7.35%
3 ARIEL INVESTMENTS, LLC 1,285,080 18,158,000 6.15%
4 PRICE T ROWE ASSOCIATES INC /MD/ 1,208,530 17,077,000 5.79%
5 RENAISSANCE TECHNOLOGIES LLC 1,163,500 16,440,000 5.57%
6 VANGUARD GROUP INC 1,160,980 16,405,000 5.56%
7 DIMENSIONAL FUND ADVISORS LP 1,041,828 14,721,000 4.99%
8 BlackRock Institutional Trust Company, N.A. 1,023,923 14,468,000 4.90%
9 HCSF Management, LLC 880,000 12,434,000 4.21%
10 Clearbridge Investments, LLC 797,211 11,265,000 3.82%
11 Shannon River Fund Management LLC 704,081 9,949,000 3.37%
12 STATE STREET CORP 513,607 7,255,000 2.46%
13 Portolan Capital Management, LLC 512,469 7,241,000 2.45%
14 D. E. Shaw & Co., Inc. 456,686 6,453,000 2.19%
15 State of New Jersey Common Pension Fund D 450,000 6,359,000 2.15%
16 Bank of New York Mellon Corp 380,100 5,370,000 1.82%
17 NORTHERN TRUST CORP 312,073 4,409,000 1.49%
18 Numeric Investors LLC 292,458 4,132,000 1.40%
19 TFS CAPITAL LLC 251,518 3,554,000 1.20%
20 ACADIAN ASSET MANAGEMENT LLC 248,998 3,518,000 1.19%
21 MORGAN STANLEY 232,151 3,280,000 1.11%
22 BLACKROCK ADVISORS LLC 231,712 3,274,000 1.11%
23 AMERICAN CENTURY COMPANIES INC 228,104 3,223,000 1.09%
24 MILLENNIUM MANAGEMENT LLC 201,341 2,845,000 0.96%
25 NS Advisors, LLC 194,286 2,745,000 0.93%
26 GEODE CAPITAL MANAGEMENT, LLC 149,251 2,108,000 0.71%
27 PRINCIPAL FINANCIAL GROUP INC 148,615 2,100,000 0.71%
28 NEW YORK STATE COMMON RETIREMENT FUND 146,350 2,068,000 0.70%
29 Boston Partners 146,245 2,066,000 0.70%
30 PANAGORA ASSET MANAGEMENT INC 136,598 1,930,000 0.65%
31 GLOBEFLEX CAPITAL L P 132,450 1,872,000 0.63%
32 AQR CAPITAL MANAGEMENT LLC 131,037 1,851,000 0.63%
33 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 128,800 1,820,000 0.62%
34 TIAA CREF INVESTMENT MANAGEMENT LLC 113,260 1,600,000 0.54%
35 PRUDENTIAL FINANCIAL INC 111,465 1,575,000 0.53%
36 AMERIPRISE FINANCIAL INC 110,914 1,567,000 0.53%
37 TWO SIGMA ADVISERS, LP 102,081 1,451,000 0.49%
38 Invesco Ltd. 102,426 1,447,000 0.49%
39 BlackRock Investment Management, LLC 102,008 1,441,000 0.49%
40 TWO SIGMA INVESTMENTS, LP 98,474 1,391,000 0.47%
41 OXFORD ASSET MANAGEMENT LLP 90,729 1,282,000 0.43%
42 PARAMETRIC PORTFOLIO ASSOCIATES LLC 80,441 1,137,000 0.39%
43 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 79,875 1,129,000 0.38%
44 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 75,583 1,068,000 0.36%
45 Teton Advisors, Inc. 74,991 1,060,000 0.36%
46 DEUTSCHE BANK AG\ 68,666 969,000 0.33%
47 ALGERT GLOBAL LLC 60,551 856,000 0.29%
48 Spark Investment Management LLC 56,300 795,000 0.27%
49 BRIDGEWAY CAPITAL MANAGEMENT, LLC 54,813 775,000 0.26%
50 GSA CAPITAL PARTNERS LLP 48,772 689,000 0.23%
Page 1 of 3

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.