Who owns ION Geophysical Corporation?

Top Holders and Investors of IO Stock

Find out what company owns ION Geophysical Corporation, who bought IO this quarter, and who sold shares of IO stock?

Fund or Company Name Number of Shares Valued At As Of
VTL Associates 342867 $133718 Sep 2015
Atherton Lane Advisers 18900 $10017 Dec 2015
Sanders Morris Harris 5000 $3000 Dec 2015

Who sold ION Geophysical Corporation?

Fund Name Date Sold Shares Held Valued At
Vanguard Dec. 31, 2015 6.29M $3.15M
ALLIANCEBERNSTEIN Dec. 31, 2015 189250 $94625
Frank Russell Company Dec. 31, 2015 149409 $74704
Connor, Clark & Lunn Investment Management Dec. 31, 2015 65450 $32725
Driehaus Capital Management Dec. 31, 2015 55245 $28174
Citi Dec. 31, 2015 43625 $21812
SUSQUEHANNA INTERNATIONAL Dec. 31, 2015 14248 $6981
TCI Wealth Advisors March 31, 2016 333 $3000