TWO SIGMA ADVISERS, LP - ION GEOPHYSICAL CORP ownership

ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 77 filers reported holding ION GEOPHYSICAL CORP in Q1 2018. The put-call ratio across all filers is 0.22 and the average weighting 0.0%.

Quarter-by-quarter ownership
TWO SIGMA ADVISERS, LP ownership history of ION GEOPHYSICAL CORP
ValueSharesWeighting
Q2 2020$77,000
+16.7%
33,113
-36.6%
0.00%
Q1 2020$66,000
-83.7%
52,213
+12.0%
0.00%
-100.0%
Q4 2019$405,000
-14.6%
46,613
-10.4%
0.00%0.0%
Q3 2019$474,000
+16.5%
52,026
+3.0%
0.00%0.0%
Q2 2019$407,000
-44.2%
50,5260.0%0.00%
-50.0%
Q1 2019$730,000
+178.6%
50,5260.0%0.00%
+100.0%
Q4 2018$262,000
-72.8%
50,526
-18.5%
0.00%
-50.0%
Q3 2018$964,000
-30.1%
62,012
+9.2%
0.00%
-50.0%
Q2 2018$1,380,000
+166.9%
56,791
+197.7%
0.00%
+300.0%
Q1 2018$517,00019,0780.00%
Other shareholders
ION GEOPHYSICAL CORP shareholders Q1 2018
NameSharesValueWeighting ↓
Gates Capital Management 1,212,408$6,280,0000.35%
New Jersey Better Educational Savings Trust 22,000$114,0000.15%
NJ State Employees Deferred Compensation Plan 48,000$249,0000.05%
Spark Investment Management LLC 79,800$413,0000.03%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 177,305$918,0000.01%
Engineers Gate Manager LP 16,334$85,0000.01%
Renaissance Technologies 1,026,523$5,317,0000.01%
A.R.T. Advisors, LLC 17,445$90,0000.01%
Point72 Hong Kong Ltd 1,893$10,0000.01%
PDT Partners, LLC 16,300$84,0000.01%
View complete list of ION GEOPHYSICAL CORP shareholders