SIMPLEX TRADING, LLC - STAR BULK CARRIERS CORP ownership

STAR BULK CARRIERS CORP's ticker is and the CUSIP is Y8162K954. A total of 3 filers reported holding STAR BULK CARRIERS CORP in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of STAR BULK CARRIERS CORP
ValueSharesWeighting
Q3 2023$6,882
+235.2%
357,000
+207.8%
0.01%
+150.0%
Q2 2023$2,053
-81.9%
116,000
-78.4%
0.00%
-80.0%
Q1 2023$11,366
-16.1%
538,200
-23.6%
0.01%
-33.3%
Q4 2022$13,549
-99.8%
704,600
+42.6%
0.02%
+50.0%
Q3 2022$8,636,000
+209.4%
494,100
+342.3%
0.01%
+233.3%
Q2 2022$2,791,000
-39.2%
111,700
-27.7%
0.00%
-25.0%
Q1 2022$4,590,000
+238.2%
154,600
+158.1%
0.00%
+300.0%
Q4 2021$1,357,000
-29.0%
59,900
-33.1%
0.00%
-50.0%
Q3 2021$1,910,000
-7.1%
89,500
-0.1%
0.00%0.0%
Q2 2021$2,056,000
+650.4%
89,600
+47814.4%
0.00%
Q1 2021$274,000
+114.1%
187
+28.1%
0.00%
Q4 2020$128,000
+60.0%
146
+24.8%
0.00%
Q3 2020$80,000
-21.6%
117
-25.0%
0.00%
Q2 2020$102,000
+59.4%
156
+36.8%
0.00%
Q1 2020$64,000
-73.2%
114
-43.8%
0.00%
-100.0%
Q4 2019$239,000
+79.7%
203
+52.6%
0.00%
Q3 2019$133,000
+79.7%
133
+72.7%
0.00%
Q2 2019$74,000
-50.7%
77
-66.2%
0.00%
Q1 2019$150,000
-73.0%
228
-62.5%
0.00%
-100.0%
Q4 2018$555,000
-49.3%
608
-19.8%
0.00%
-50.0%
Q3 2018$1,095,000
+302.6%
758
+257.5%
0.00%
+300.0%
Q2 2018$272,000
+4433.3%
212
+155.4%
0.00%
Q1 2018$6,000
-92.3%
83
-82.3%
0.00%
-100.0%
Q4 2017$78,000
-22.0%
470
-28.4%
0.00%
-25.0%
Q3 2017$100,000
+1566.7%
656
+798.6%
0.00%
Q2 2017$6,000
+500.0%
73
+121.2%
0.00%
Q1 2017$1,00033
+560.0%
0.00%
Q4 2016$050.00%
Other shareholders
STAR BULK CARRIERS CORP shareholders Q4 2020
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 1,876,900$39,640,1280.14%
SIMPLEX TRADING, LLC 538,200$11,3660.01%
JANE STREET GROUP, LLC 837,900$17,696,4480.01%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of STAR BULK CARRIERS CORP shareholders