SIMPLEX TRADING, LLC - NATIONAL OILWELL VARCO INC ownership

NATIONAL OILWELL VARCO INC's ticker is and the CUSIP is 637071901. A total of 5 filers reported holding NATIONAL OILWELL VARCO INC in Q4 2018. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of NATIONAL OILWELL VARCO INC
ValueSharesWeighting
Q4 2020$1,533,000
+236.9%
1,117
+122.1%
0.00%
+100.0%
Q3 2020$455,000
-63.1%
503
-50.0%
0.00%
-50.0%
Q2 2020$1,232,000
+67.2%
1,006
+34.1%
0.00%
+100.0%
Q1 2020$737,000
-66.3%
750
-14.2%
0.00%
-80.0%
Q4 2019$2,189,000
+59.7%
874
+35.1%
0.01%
+25.0%
Q3 2019$1,371,000
+7.7%
647
+12.9%
0.00%
+33.3%
Q2 2019$1,273,000
+79.0%
573
+114.6%
0.00%
+50.0%
Q1 2019$711,000
-16.2%
267
-19.1%
0.00%0.0%
Q4 2018$848,000
-61.7%
330
-35.8%
0.00%
-71.4%
Q3 2018$2,214,000
+60.4%
514
+61.6%
0.01%
+40.0%
Q2 2018$1,380,000
+1764.9%
318
-23.6%
0.01%
+66.7%
Q1 2018$74,000
+131.2%
416
+81.7%
0.00%
+200.0%
Q4 2017$32,000
-13.5%
229
+18.7%
0.00%
-50.0%
Q3 2017$37,000
-33.9%
193
-78.6%
0.00%0.0%
Q2 2017$56,000
+75.0%
903
+45.2%
0.00%
+100.0%
Q1 2017$32,000
-49.2%
622
+13.9%
0.00%
-75.0%
Q4 2016$63,000
-60.6%
546
-38.4%
0.00%
-63.6%
Q3 2016$160,000
+131.9%
886
+19.1%
0.01%
+120.0%
Q2 2016$69,000
+19.0%
744
+69.9%
0.01%0.0%
Q1 2016$58,000
+1833.3%
438
+57.0%
0.01%
Q4 2015$3,000
-92.9%
279
-75.9%
0.00%
-100.0%
Q3 2015$42,000
+110.0%
1,157
+177.5%
0.00%
+50.0%
Q2 2015$20,000
-39.4%
417
-5.9%
0.00%
-50.0%
Q1 2015$33,000
-84.5%
443
-3.1%
0.00%
-84.6%
Q4 2014$213,0004570.03%
Other shareholders
NATIONAL OILWELL VARCO INC shareholders Q4 2018
NameSharesValueWeighting ↓
KGH Ltd 4,700$1,751,0000.11%
Timber Hill LLC 212,420$13,920,0000.06%
SIMPLEX TRADING, LLC 457$213,0000.03%
Virtu KCG Holdings LLC 19,000$1,245,0000.02%
Citadel Advisors 214,400$14,050,0000.01%
GROUP ONE TRADING, L.P. 11,000$721,0000.01%
SG Americas Securities, LLC 96,700$22,0000.00%
BLAIR WILLIAM & CO/IL 2,000$131,0000.00%
View complete list of NATIONAL OILWELL VARCO INC shareholders