GROUP ONE TRADING, L.P. - STAR BULK CARRIERS CORP ownership

STAR BULK CARRIERS CORP's ticker is and the CUSIP is Y8162K954. A total of 4 filers reported holding STAR BULK CARRIERS CORP in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of STAR BULK CARRIERS CORP
ValueSharesWeighting
Q3 2023$12,427,888
+27.5%
644,600
+17.1%
0.04%
+35.5%
Q2 2023$9,745,620
-75.4%
550,600
-70.7%
0.03%
-78.3%
Q1 2023$39,640,128
+0.2%
1,876,900
-8.7%
0.14%
+55.4%
Q4 2022$39,542,649
+37.5%
2,056,300
+25.0%
0.09%
+61.4%
Q3 2022$28,765,000
+84.3%
1,645,600
+163.5%
0.06%
+137.5%
Q2 2022$15,604,000
+25.5%
624,400
+49.1%
0.02%
+100.0%
Q1 2022$12,431,000
+283.4%
418,700
+192.8%
0.01%
+300.0%
Q4 2021$3,242,000
-26.4%
143,000
-21.9%
0.00%
-40.0%
Q3 2021$4,402,000
+159.2%
183,100
+147.4%
0.01%
+150.0%
Q2 2021$1,698,000
+558.1%
74,000
+320.5%
0.00%
Q1 2021$258,000
+658.8%
17,600
+351.3%
0.00%
Q4 2020$34,000
+21.4%
3,900
-4.9%
0.00%
Q3 2020$28,000
-94.7%
4,100
-90.9%
0.00%
-100.0%
Q4 2019$533,000
-8.6%
45,100
-22.1%
0.00%
-20.0%
Q3 2019$583,000
+398.3%
57,900
+378.5%
0.01%
+400.0%
Q2 2019$117,000
+254.5%
12,100
+142.0%
0.00%
Q1 2019$33,000
-75.2%
5,000
-65.8%
0.00%
-100.0%
Q4 2018$133,000
-86.0%
14,600
-77.7%
0.00%
-85.7%
Q3 2018$948,000
-17.3%
65,600
-26.4%
0.01%
-30.0%
Q2 2018$1,146,000
+12.0%
89,100
+1.2%
0.01%0.0%
Q1 2018$1,023,000
-33.7%
88,000
-35.8%
0.01%
-9.1%
Q4 2017$1,543,000
+1253.5%
137,000
+1070.9%
0.01%
+1000.0%
Q3 2017$114,000
+5600.0%
11,700
+5750.0%
0.00%
Q2 2017$2,000
-99.6%
200
-99.6%
0.00%
-100.0%
Q1 2017$535,00045,0000.01%
Other shareholders
STAR BULK CARRIERS CORP shareholders Q1 2023
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