ROYCE & ASSOCIATES LP - ION GEOPHYSICAL CORP ownership

ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 66 filers reported holding ION GEOPHYSICAL CORP in Q4 2018. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
ROYCE & ASSOCIATES LP ownership history of ION GEOPHYSICAL CORP
ValueSharesWeighting
Q1 2020$107,000
-82.9%
84,061
+16.9%
0.00%
-83.3%
Q4 2019$624,000
-4.9%
71,8800.0%0.01%0.0%
Q3 2019$656,000
+13.3%
71,8800.0%0.01%
+20.0%
Q2 2019$579,000
-44.2%
71,8800.0%0.01%
-44.4%
Q1 2019$1,038,000
+179.0%
71,8800.0%0.01%
+200.0%
Q4 2018$372,000
-66.7%
71,8800.0%0.00%
-62.5%
Q3 2018$1,118,000
-36.0%
71,8800.0%0.01%
-33.3%
Q2 2018$1,747,000
-10.3%
71,8800.0%0.01%
-14.3%
Q1 2018$1,948,000
+37.2%
71,8800.0%0.01%
+55.6%
Q4 2017$1,420,000
+107.6%
71,8800.0%0.01%
+80.0%
Q3 2017$684,000
+118.5%
71,8800.0%0.01%
+150.0%
Q2 2017$313,000
-10.3%
71,8800.0%0.00%0.0%
Q1 2017$349,000
-19.0%
71,8800.0%0.00%
-33.3%
Q4 2016$431,000
-12.4%
71,8800.0%0.00%0.0%
Q3 2016$492,000
+9.8%
71,8800.0%0.00%0.0%
Q2 2016$448,000
-22.9%
71,8800.0%0.00%
-25.0%
Q1 2016$581,00071,8800.00%
Other shareholders
ION GEOPHYSICAL CORP shareholders Q4 2018
NameSharesValueWeighting ↓
GSA CAPITAL PARTNERS LLP 54,182$132,0000.02%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 77,400$188,0000.00%
Renaissance Technologies 1,004,267$2,440,0000.00%
SeaCrest Wealth Management, LLC 10,000$24,0000.00%
FARMERS & MERCHANTS INVESTMENTS INC 20,763$50,0000.00%
Neuberger Berman Group LLC 284,018$690,0000.00%
ACADIAN ASSET MANAGEMENT LLC 79,526$193,0000.00%
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 17,876$43,0000.00%
DEUTSCHE BANK AG\ 300,000$729,0000.00%
MORGAN STANLEY 747$2,0000.00%
View complete list of ION GEOPHYSICAL CORP shareholders