DUPONT CAPITAL MANAGEMENT CORP - ION GEOPHYSICAL CORP ownership

ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 37 filers reported holding ION GEOPHYSICAL CORP in Q3 2021. The put-call ratio across all filers is 0.11 and the average weighting 0.0%.

Quarter-by-quarter ownership
DUPONT CAPITAL MANAGEMENT CORP ownership history of ION GEOPHYSICAL CORP
ValueSharesWeighting
Q4 2021$57,000
-39.4%
64,534
-9.2%
0.00%
-33.3%
Q3 2021$94,000
-30.4%
71,034
+10.1%
0.00%0.0%
Q2 2021$135,000
+864.3%
64,534
+887.8%
0.00%
Q1 2021$14,000
-12.5%
6,533
-2.2%
0.00%
Q4 2020$16,000
+60.0%
6,6830.0%0.00%
Q3 2020$10,000
-37.5%
6,6830.0%0.00%
Q2 2020$16,000
+100.0%
6,6830.0%0.00%
Q1 2020$8,000
-86.2%
6,6830.0%0.00%
-100.0%
Q4 2019$58,000
-4.9%
6,6830.0%0.00%0.0%
Q3 2019$61,000
+13.0%
6,6830.0%0.00%0.0%
Q2 2019$54,000
-44.3%
6,6830.0%0.00%
-50.0%
Q1 2019$97,000
+177.1%
6,6830.0%0.00%
+100.0%
Q4 2018$35,000
-66.3%
6,6830.0%0.00%
-50.0%
Q3 2018$104,000
-35.8%
6,6830.0%0.00%
-50.0%
Q2 2018$162,000
-10.5%
6,6830.0%0.00%0.0%
Q1 2018$181,000
-35.8%
6,683
-53.2%
0.00%
-33.3%
Q4 2017$282,000
+107.4%
14,2660.0%0.01%
+100.0%
Q3 2017$136,000
+119.4%
14,2660.0%0.00%
+200.0%
Q2 2017$62,000
-10.1%
14,2660.0%0.00%
-50.0%
Q1 2017$69,000
-62.1%
14,266
-53.1%
0.00%
-50.0%
Q4 2016$182,000
-12.5%
30,4000.0%0.00%
-20.0%
Q3 2016$208,000
+10.1%
30,4000.0%0.01%
+25.0%
Q2 2016$189,00030,4000.00%
Other shareholders
ION GEOPHYSICAL CORP shareholders Q3 2021
NameSharesValueWeighting ↓
Arlington Capital Management, Inc. 132,080$176,0000.33%
Gates Capital Management 2,953,850$3,929,0000.11%
Virtu Financial LLC 44,041$59,0000.01%
Belvedere Trading LLC 93,800$204,0000.01%
SeaCrest Wealth Management, LLC 25,000$33,0000.00%
DUPONT CAPITAL MANAGEMENT CORP 71,034$94,0000.00%
Cetera Advisors LLC 42,940$57,0000.00%
Your Advocates Ltd., LLP 1,000$1,0000.00%
MEEDER ASSET MANAGEMENT INC 2,321$3,0000.00%
HARBOUR INVESTMENTS, INC. 33$00.00%
View complete list of ION GEOPHYSICAL CORP shareholders