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WEIBO CORP
WEIBO CORP. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 51 Institutional holders with a total value of $85,487,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SIMPLEX TRADING, LLC 27 0 0.00%
2 BANK OF MONTREAL /CAN/ 119 2,000 0.00%
3 Tower Research Capital LLC (TRC) 255 3,000 0.00%
4 Shamrock Asset Management LLC 250 3,000 0.00%
5 Creative Planning 1,200 15,000 0.02%
6 DEUTSCHE BANK AG\ 1,450 18,000 0.02%
7 CITIGROUP INC 2,028 26,000 0.03%
8 BlackRock Investment Management, LLC 2,785 36,000 0.04%
9 ROYAL BANK OF CANADA 4,395 57,000 0.07%
10 CITIGROUP INC 4,700 61,000 0.07% Put
11 Parallax Volatility Advisers, L.P. 5,400 70,000 0.08% Call
12 UBS Group AG 5,878 76,000 0.09%
13 Walleye Trading LLC 7,601 98,000 0.11%
14 Quantbot Technologies LP 10,690 137,000 0.16%
15 CREDIT SUISSE AG/ 11,295 146,000 0.17%
16 Parallax Volatility Advisers, L.P. 11,741 151,000 0.18%
17 GEODE CAPITAL MANAGEMENT, LLC 12,925 166,000 0.19%
18 STEVENS CAPITAL MANAGEMENT LP 14,371 185,000 0.22%
19 GOLDMAN SACHS GROUP INC 17,600 227,000 0.27% Put
20 CITIGROUP INC 18,200 235,000 0.27% Call
21 Walleye Trading LLC 20,000 259,000 0.30% Call
22 Timber Hill LLC 21,528 277,000 0.32%
23 Parallax Volatility Advisers, L.P. 21,800 280,000 0.33% Put
24 GAM Holding AG 25,000 322,000 0.38%
25 GOLDMAN SACHS GROUP INC 25,400 327,000 0.38% Call
26 Spot Trading L.L.C 25,790 332,000 0.39%
27 PEAK6 Group LLC 28,296 365,000 0.43%
28 J. Goldman & Co LP 32,500 419,000 0.49% Put
29 GUGGENHEIM CAPITAL LLC 32,919 424,000 0.50%
30 BANK OF AMERICA CORP /DE/ 33,797 436,000 0.51%
31 CITADEL ADVISORS LLC 34,755 448,000 0.52%
32 Spot Trading L.L.C 35,000 451,000 0.53% Put
33 Spot Trading L.L.C 38,900 501,000 0.59% Call
34 MORGAN STANLEY 47,939 617,000 0.72%
35 MILLENNIUM MANAGEMENT LLC 48,800 629,000 0.74%
36 GROUP ONE TRADING LLC 51,267 661,000 0.77%
37 Aperio Group, LLC 56,555 729,000 0.85% SH
38 FIRST TRUST ADVISORS LP 60,334 778,000 0.91%
39 PEAK6 Group LLC 62,200 802,000 0.94% Put
40 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 75,000 967,000 1.13%
41 SUSQUEHANNA INTERNATIONAL GROUP, LLP 76,300 984,000 1.15% Put
42 SUSQUEHANNA INTERNATIONAL GROUP, LLP 87,800 1,132,000 1.32% Call
43 SYMMETRY PEAK MANAGEMENT LLC 130,368 1,680,000 1.97%
44 Index Management Solutions, LLC 130,813 1,686,000 1.97%
45 Global X Management CO LLC 210,361 2,712,000 3.17%
46 PARUS FINANCE (UK) Ltd 226,698 2,922,000 3.42%
47 FIL Ltd 303,500 3,912,000 4.58%
48 MARSHALL WACE, LLP 439,169 5,661,000 6.62%
49 GOLDMAN SACHS GROUP INC 533,912 6,882,000 8.05%
50 Invesco Ltd. 759,839 9,794,000 11.46%
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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.