Dark
Light
System
Security
21VIANET GROUP INC
21VIANET GROUP INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q3)
Portfolio Summary: 100 Institutional holders with a total value of $911,991,605.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Temasek Holdings (Private) Ltd 10,778,004 197,022,000 21.60%
2 FIL Ltd 3,596,912 65,752,000 7.21%
3 WADDELL & REED FINANCIAL INC 3,384,900 61,876,000 6.78%
4 Artisan Partners Limited Partnership 3,339,557 61,047,000 6.69%
5 WELLINGTON MANAGEMENT GROUP LLP 2,799,583 51,177,000 5.61%
6 Sculptor Capital LP 2,430,941 44,437,000 4.87%
7 HILLHOUSE INVESTMENT MANAGEMENT, LTD. 2,129,600 38,929,000 4.27%
8 Taconic Capital Advisors LP 1,850,000 33,818,000 3.71%
9 QVT Financial LP 1,535,160 28,063,000 3.08%
10 LIGHT STREET CAPITAL MANAGEMENT, LLC 1,252,652 22,898,000 2.51%
11 Pine River Capital Management L.P. 1,228,938 22,466,000 2.46%
12 Fosun International Ltd 1,090,772 19,939,000 2.19%
13 Silphium Asset Management Ltd 980,000 17,914,400 1.96% Call
14 CI INVESTMENTS INC. 892,739 16,319,000 1.79%
15 Top Ace Asset Management Ltd 775,303 14,173,000 1.55%
16 SUSQUEHANNA INTERNATIONAL GROUP, LLP 743,800 13,597,000 1.49% Put
17 DISCOVERY CAPITAL MANAGEMENT, LLC / CT 717,780 13,121,000 1.44%
18 SUSQUEHANNA INTERNATIONAL GROUP, LLP 562,000 10,273,000 1.13% Call
19 GROUP ONE TRADING LLC 520,863 9,521,000 1.04%
20 PACIFIC ALTERNATIVE ASSET MANAGEMENT COMPANY, LLC 509,248 9,309,000 1.02%
21 Fortress Investment Group LLC 441,677 8,074,000 0.89%
22 CITIGROUP INC 416,584 7,615,000 0.83%
23 GOLDMAN SACHS GROUP INC 409,422 7,484,000 0.82%
24 MORGAN STANLEY 392,253 7,171,000 0.79%
25 Parallax Volatility Advisers, L.P. 359,100 6,564,000 0.72% Call
26 Invesco Ltd. 317,494 5,804,000 0.64%
27 NINE MASTS CAPITAL Ltd 317,380 5,800,000 0.64%
28 PEAK6 Group LLC 295,200 5,396,000 0.59% Put
29 Bank of New York Mellon Corp 287,463 5,255,000 0.58%
30 Central Asset Investments & Management Holdings (HK) Ltd 278,556 5,092,000 0.56%
31 CREDIT SUISSE AG/ 258,272 4,721,000 0.52%
32 CONNING INC. 233,186 4,263,000 0.47%
33 Silphium Asset Management Ltd 229,557 4,196,302 0.46%
34 SUSQUEHANNA INTERNATIONAL GROUP, LLP 224,229 4,099,000 0.45%
35 PEAK6 Group LLC 220,200 4,025,000 0.44% Call
36 FIRST MANHATTAN CO. LLC. 219,666 4,015,000 0.44%
37 Spot Trading L.L.C 207,600 3,795,000 0.42% Call
38 AGF INVESTMENTS INC. 194,800 3,574,000 0.39%
39 BlueCrest Capital Management Ltd 183,600 3,356,000 0.37%
40 CQS Cayman LP 173,003 3,162,000 0.35%
41 PEAK6 Group LLC 161,804 2,958,000 0.32%
42 OECHSLE INTERNATIONAL ADVISORS, LLC 160,645 2,936,000 0.32%
43 BARCLAYS PLC 152,366 2,743,000 0.30%
44 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 149,500 2,733,000 0.30%
45 LOOMIS SAYLES & CO L P 134,780 2,464,000 0.27%
46 INTEGRAL DERIVATIVES, LLC 130,000 2,376,000 0.26% Call
47 CITIGROUP INC 125,500 2,294,000 0.25% Put
48 Spot Trading L.L.C 112,300 2,053,000 0.23% Put
49 STATE STREET CORP 105,585 1,930,000 0.21%
50 CITIGROUP INC 103,300 1,888,000 0.21% Call
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.