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21VIANET GROUP INC
21VIANET GROUP INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 97 Institutional holders with a total value of $991,309,138.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Temasek Holdings (Private) Ltd 10,778,004 221,165,000 22.31%
2 FIL Ltd 5,222,273 107,161,000 10.81%
3 WELLINGTON MANAGEMENT GROUP LLP 4,713,544 96,721,000 9.76%
4 Artisan Partners Limited Partnership 3,424,816 70,277,000 7.09%
5 WADDELL & REED FINANCIAL INC 3,124,400 64,112,000 6.47%
6 HILLHOUSE INVESTMENT MANAGEMENT, LTD. 2,129,600 43,699,000 4.41%
7 LIGHT STREET CAPITAL MANAGEMENT, LLC 1,850,000 37,962,000 3.83%
8 Taconic Capital Advisors LP 1,405,000 28,831,000 2.91%
9 Sculptor Capital LP 1,166,630 23,940,000 2.41%
10 Fosun International Ltd 1,046,021 21,464,000 2.17%
11 Top Ace Asset Management Ltd 1,000,000 20,520,000 2.07%
12 CI INVESTMENTS INC. 977,100 20,050,000 2.02%
13 Silphium Asset Management Ltd 922,584 18,931,424 1.91%
14 MORGAN STANLEY 666,185 13,671,000 1.38%
15 CITADEL ADVISORS LLC 515,622 10,580,000 1.07%
16 SUSQUEHANNA INTERNATIONAL GROUP, LLP 508,500 10,434,000 1.05% Put
17 GOLDMAN SACHS GROUP INC 432,019 8,865,000 0.89%
18 PEAK6 Group LLC 420,700 8,633,000 0.87% Put
19 SUSQUEHANNA INTERNATIONAL GROUP, LLP 376,700 7,730,000 0.78% Call
20 PACIFIC ALTERNATIVE ASSET MANAGEMENT COMPANY, LLC 347,800 7,137,000 0.72%
21 Invesco Ltd. 318,619 6,539,000 0.66%
22 Spot Trading L.L.C 291,800 5,988,000 0.60% Call
23 Silphium Asset Management Ltd 280,000 5,745,600 0.58% Call
24 SUSQUEHANNA INTERNATIONAL GROUP, LLP 279,866 5,743,000 0.58%
25 Pine River Capital Management L.P. 276,958 5,683,000 0.57%
26 CITIGROUP INC 275,904 5,661,000 0.57%
27 Bank of New York Mellon Corp 272,588 5,594,000 0.56%
28 NINE MASTS CAPITAL Ltd 239,600 4,917,000 0.50%
29 GROUP ONE TRADING LLC 230,485 4,730,000 0.48%
30 CREDIT SUISSE AG/ 223,652 4,589,000 0.46%
31 AGF INVESTMENTS INC. 194,800 3,993,000 0.40%
32 VICTORY CAPITAL MANAGEMENT INC 190,192 3,903,000 0.39%
33 OECHSLE INTERNATIONAL ADVISORS, LLC 189,633 3,891,000 0.39%
34 PEAK6 Group LLC 188,600 3,870,000 0.39% Call
35 LOOMIS SAYLES & CO L P 185,880 3,814,000 0.38%
36 CQS Cayman LP 180,000 3,694,000 0.37%
37 Parallax Volatility Advisers, L.P. 175,100 3,593,000 0.36% Call
38 OBERWEIS ASSET MANAGEMENT INC/ 161,009 3,304,000 0.33%
39 MATTHEWS INTERNATIONAL CAPITAL MANAGEMENT LLC 156,000 3,201,000 0.32%
40 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 154,600 3,172,000 0.32%
41 Spot Trading L.L.C 149,200 3,062,000 0.31% Put
42 UNITED SERVICES AUTOMOBILE ASSOCIATION 148,018 3,037,000 0.31%
43 INTEGRAL DERIVATIVES, LLC 139,900 2,871,000 0.29% Put
44 PEAK6 Group LLC 131,430 2,697,000 0.27%
45 Weiss Multi-Strategy Advisers LLC 129,564 2,659,000 0.27%
46 STATE STREET CORP 126,622 2,598,000 0.26%
47 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 123,200 2,528,000 0.26%
48 Visium Asset Management, LP 117,821 2,418,000 0.24%
49 FIRST TRUST ADVISORS LP 110,538 2,268,000 0.23%
50 Mirae Asset Global Investments Co., Ltd. 103,139 2,116,000 0.21%
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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.