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

Institutional Holders (2016Q4)
Portfolio Summary: 78 Institutional holders with a total value of $178,067,414.
#
Manager Name
Shares
Value ($)
%
Options
Notes
51 Walleye Trading LLC 21,300 150,000 0.08% Put
52 CITIGROUP INC 20,700 145,000 0.08% Call
53 PEAK6 Group LLC 20,697 145,000 0.08%
54 PEAK6 Group LLC 20,000 140,000 0.08% Call
55 PENSERRA CAPITAL MANAGEMENT LLC 19,481 136,000 0.08%
56 VANGUARD GROUP INC 19,200 135,000 0.08%
57 CITADEL ADVISORS LLC 19,317 135,000 0.08%
58 RBF Capital, LLC 17,074 121,000 0.07%
59 AQR CAPITAL MANAGEMENT LLC 16,414 115,000 0.06%
60 Princeton Alpha Management LP 16,160 113,000 0.06%
61 BANK OF MONTREAL /CAN/ 13,308 104,000 0.06%
62 Global X Management CO LLC 14,531 102,000 0.06%
63 Dynamic Technology Lab Private Ltd 12,351 86,000 0.05%
64 Spot Trading L.L.C 9,617 67,000 0.04%
65 Legal & General Group Plc 7,900 55,000 0.03%
66 WELLS FARGO & COMPANY/MN 6,914 48,000 0.03%
67 Spot Trading L.L.C 6,900 48,000 0.03% Call
68 BANK OF AMERICA CORP /DE/ 4,541 31,000 0.02%
69 NumerixS Investment Technologies Inc 3,810 27,000 0.02%
70 PRELUDE CAPITAL MANAGEMENT, LLC 3,400 24,000 0.01%
71 UBS Group AG 1,982 14,000 0.01%
72 JPMORGAN CHASE & CO 537 4,000 0.00%
73 CUTLER GROUP LLC / CA 73,700 3,000 0.00% Call
74 DEUTSCHE BANK AG\ 363 2,000 0.00%
75 FLOW TRADERS U.S. LLC 100 1,000 0.00%
76 BNP PARIBAS FINANCIAL MARKETS 59 414 0.00%
77 Bluefin Trading, LLC 10,000 0 0.00% Call
78 GLENMEDE TRUST CO NA 49 0 0.00%
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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.