SIMPLEX TRADING, LLC - SINA CORP ownership

SINA CORP's ticker is and the CUSIP is G81477954. A total of 4 filers reported holding SINA CORP in Q3 2020. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of SINA CORP
ValueSharesWeighting
Q1 2021$0
-100.0%
318
-25.5%
0.00%
-100.0%
Q4 2020$1,809,000
-34.2%
427
-33.8%
0.00%
-50.0%
Q3 2020$2,748,000
+50.7%
645
+27.0%
0.00%
+33.3%
Q2 2020$1,824,000
+87.8%
508
+66.6%
0.00%
+50.0%
Q1 2020$971,000
-30.5%
305
-12.9%
0.00%
-33.3%
Q4 2019$1,397,000
+170.2%
350
+165.2%
0.00%
+200.0%
Q3 2019$517,000
-3.2%
132
+6.5%
0.00%0.0%
Q2 2019$534,000
-71.5%
124
-60.8%
0.00%
-80.0%
Q1 2019$1,871,000
+190.5%
316
+154.8%
0.01%
+150.0%
Q4 2018$644,000
-48.8%
124
-33.0%
0.00%
-50.0%
Q3 2018$1,257,000
-51.2%
185
-39.9%
0.00%
-60.0%
Q2 2018$2,574,000
+663.8%
308
-20.4%
0.01%
-33.3%
Q1 2018$337,000
+21.2%
387
-18.7%
0.02%
+25.0%
Q4 2017$278,000
+239.0%
476
-32.8%
0.01%
+300.0%
Q3 2017$82,000
-65.4%
708
+85.8%
0.00%
-70.0%
Q2 2017$237,000
+29.5%
381
-28.1%
0.01%
+25.0%
Q1 2017$183,000
+29.8%
530
-14.0%
0.01%0.0%
Q4 2016$141,000
+403.6%
616
+14.1%
0.01%
+300.0%
Q3 2016$28,000
-22.2%
540
+4.4%
0.00%0.0%
Q2 2016$36,000
-61.3%
517
-45.2%
0.00%
-71.4%
Q1 2016$93,000
-18.4%
943
+51.4%
0.01%
-22.2%
Q4 2015$114,000
-43.0%
623
-6.3%
0.01%
-40.0%
Q3 2015$200,000
+37.0%
665
+65.4%
0.02%
+25.0%
Q2 2015$146,000
+105.6%
402
+857.1%
0.01%
+50.0%
Q1 2015$71,000
-65.9%
42
-84.1%
0.01%
-68.0%
Q4 2014$208,0002640.02%
Other shareholders
SINA CORP shareholders Q3 2020
NameSharesValueWeighting ↓
Timber Hill LLC 94,500$3,039,0000.01%
Citadel Advisors 288,500$9,278,0000.01%
SIMPLEX TRADING, LLC 42$71,0000.01%
Virtu KCG Holdings LLC 8,500$273,0000.01%
GROUP ONE TRADING, L.P. 300$10,0000.00%
View complete list of SINA CORP shareholders