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

Institutional Holders (2014Q1)
Portfolio Summary: 100 Institutional holders with a total value of $1,056,521,610.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Temasek Holdings (Private) Ltd 6,666,667 191,333,000 18.11%
2 FIL Ltd 2,984,775 85,663,000 8.11%
3 WELLINGTON MANAGEMENT GROUP LLP 2,858,799 82,047,000 7.77%
4 Kylin Management LLC 2,785,851 79,954,000 7.57%
5 WADDELL & REED FINANCIAL INC 2,320,300 66,593,000 6.30%
6 JOHO CAPITAL LLC 1,683,217 48,308,000 4.57%
7 Invesco Ltd. 1,649,334 47,336,000 4.48%
8 Fosun International Ltd 1,352,796 38,825,000 3.67%
9 Ashmore Group plc 1,007,056 28,902,000 2.74%
10 MILLENNIUM MANAGEMENT LLC 925,124 26,551,000 2.51%
11 MARSHALL WACE, LLP 787,138 22,591,000 2.14%
12 ALKEON CAPITAL MANAGEMENT LLC 740,000 21,238,000 2.01%
13 AZENTUS CAPITAL MANAGEMENT Ltd 701,865 20,144,000 1.91%
14 DRIEHAUS CAPITAL MANAGEMENT LLC 626,696 17,986,000 1.70%
15 CI INVESTMENTS INC. 587,000 16,847,000 1.59%
16 Crestwood Capital Management, L.P. 582,400 16,715,000 1.58%
17 OBERWEIS ASSET MANAGEMENT INC/ 538,279 15,449,000 1.46%
18 BLACKROCK ADVISORS LLC 519,894 14,921,000 1.41%
19 Mirae Asset Global Investments Co., Ltd. 482,950 13,861,000 1.31%
20 Myriad Asset Management Ltd. 400,452 11,493,000 1.09%
21 Coupland Cardiff Asset Management LLP 394,483 11,322,000 1.07%
22 AMERICAN CENTURY COMPANIES INC 364,198 10,452,000 0.99%
23 AMERIPRISE FINANCIAL INC 361,759 10,382,000 0.98%
24 Baring International Investment Ltd 357,339 10,256,000 0.97%
25 OXFORD ASSET MANAGEMENT LLP 341,735 9,808,000 0.93%
26 BAMCO INC /NY/ 337,900 9,698,000 0.92%
27 Verition Fund Management LLC 320,000 9,184,000 0.87%
28 SOROS FUND MANAGEMENT LLC 280,000 8,036,000 0.76%
29 Sloane Robinson LLP 274,900 7,890,000 0.75%
30 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 239,181 5,996,000 0.57%
31 CITADEL ADVISORS LLC 187,377 5,378,000 0.51%
32 SAC Capital Advisors LP 185,428 5,322,000 0.50%
33 RUSSELL FRANK CO/ 198,655 5,173,000 0.49%
34 BlackRock Group LTD 170,755 4,901,000 0.46%
35 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 146,300 4,199,000 0.40%
36 WEXFORD CAPITAL LP 141,529 4,062,000 0.38%
37 GUGGENHEIM CAPITAL LLC 133,795 3,839,000 0.36%
38 Index Management Solutions, LLC 128,133 3,677,000 0.35%
39 STATE STREET CORP 122,602 3,519,000 0.33%
40 DEUTSCHE BANK AG\ 121,716 3,491,000 0.33%
41 Connective Capital Management, LLC 112,272 3,222,000 0.30%
42 CANADA LIFE ASSURANCE Co 120,000 3,200,000 0.30%
43 Verition Fund Management LLC 104,800 3,008,000 0.28% Call
44 LIGHT STREET CAPITAL MANAGEMENT, LLC 100,000 2,870,000 0.27%
45 BlackRock Finance, Inc. 90,016 2,583,000 0.24%
46 Sumitomo Mitsui DS Asset Management Company, Ltd 84,000 2,410,000 0.23%
47 FMR LLC 81,800 2,348,000 0.22%
48 MORGAN STANLEY 81,800 2,347,000 0.22%
49 Shinko Asset Management Co., Ltd. 80,000 2,296,000 0.22%
50 Cortex Capital Management LLC 80,000 2,296,000 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.