SpiderRock Trading LLC - SINA CORP ownership

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SINA CORP's ticker is and the CUSIP is G8147710. A total of 1 filers reported holding SINA CORP in Q2 2014. The put-call ratio across all filers is 0.38 and the average weighting 0.0%.

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Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of SINA CORP
ValueSharesWeighting
Q2 2014$18,000
-80.2%
5,800
+109.2%
0.08%
-83.3%
Q1 2014$91,000
+97.8%
2,772
+195.2%
0.47%
+86.5%
Q4 2013$46,000
+64.3%
939
+177.0%
0.25%
+47.6%
Q3 2013$28,000
+64.7%
339
-54.8%
0.17%
+28.8%
Q2 2013$17,000–750–0.13%–
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Other shareholders
SINA CORP shareholders Q2 2014
NameSharesValueWeighting ↓
CenterStar Fund, LLC 6,214$306,0000.13%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 402,924$19,904,0000.09%
CenterStar Fund, LLC 700$73,0000.03%
CenterStar Fund, LLC 1,200$12,0000.01%
View complete list of SINA CORP shareholders