SIMPLEX TRADING, LLC - DIAMOND OFFSHORE DRILLING IN ownership

DIAMOND OFFSHORE DRILLING IN's ticker is and the CUSIP is 25271C952. A total of 4 filers reported holding DIAMOND OFFSHORE DRILLING IN in Q4 2016. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of DIAMOND OFFSHORE DRILLING IN
ValueSharesWeighting
Q2 2020$5,000
-91.2%
200
-36.1%
0.00%
Q1 2020$57,000
-66.1%
313
+33.2%
0.00%
Q4 2019$168,000
-42.3%
235
-55.2%
0.00%
-100.0%
Q3 2019$291,000
+72.2%
524
+174.3%
0.00%
Q2 2019$169,000
-34.5%
191
-22.4%
0.00%
-100.0%
Q1 2019$258,000
-44.8%
246
-50.3%
0.00%0.0%
Q4 2018$467,000
+531.1%
495
+1237.8%
0.00%
Q3 2018$74,000
-94.4%
37
-94.1%
0.00%
-100.0%
Q2 2018$1,312,000
+725.2%
629
+106.9%
0.01%
-28.6%
Q1 2018$159,000
+84.9%
304
-18.7%
0.01%
+75.0%
Q4 2017$86,000
+28.4%
374
-13.8%
0.00%
+33.3%
Q3 2017$67,000
-60.4%
434
+2.6%
0.00%
-57.1%
Q2 2017$169,000
+57.9%
423
+61.5%
0.01%
+40.0%
Q1 2017$107,000
+67.2%
262
+91.2%
0.01%
+25.0%
Q4 2016$64,0000.0%137
-6.2%
0.00%0.0%
Q3 2016$64,000
+82.9%
146
+16.8%
0.00%
+100.0%
Q2 2016$35,000
-14.6%
125
-27.3%
0.00%
-33.3%
Q1 2016$41,000
-37.9%
172
-23.9%
0.00%
-40.0%
Q4 2015$66,000
-84.5%
226
-27.6%
0.01%
-83.9%
Q3 2015$426,000
+86.8%
312
+126.1%
0.03%
+63.2%
Q2 2015$228,000
-30.1%
138
-48.9%
0.02%
-50.0%
Q1 2015$326,000
-58.6%
270
-75.8%
0.04%
-60.0%
Q4 2014$787,0001,1160.10%
Other shareholders
DIAMOND OFFSHORE DRILLING IN shareholders Q4 2016
NameSharesValueWeighting ↓
Hudson Bay Capital Management LP 200,000$3,540,0000.04%
GROUP ONE TRADING, L.P. 54,000$956,0000.01%
SIMPLEX TRADING, LLC 137$64,0000.00%
SG Americas Securities, LLC 98,400$330,0000.00%
View complete list of DIAMOND OFFSHORE DRILLING IN shareholders