Who owns ION Geophysical Corporation?

Key details on ION Geophysical Corporation (Ticker: IO)

Who owns ION Geophysical Corporation?

Is IO a good stock to own? Find out who bought ION Geophysical Corporation, who sold ION Geophysical Corporation (IO) stock, and who holds a large position in ION Geophysical Corporation.

Fund Name Number of Shares Share Valuation As Of
Inves 31.80M $87.44M Dec. 31, 2014
St. Denis J. Villere & Co 10.31M $34.02M Dec. 31, 2013
Vanguard 9.11M $19.78M March 31, 2015
BlackRock Fund Advisors 7.94M $17.23M March 31, 2015
Wellington Management Company 6.74M $35.03M Sept. 30, 2013
DARUMA ASSET MANAGEMENT INC /NY 5.86M $39.88M March 31, 2013
Wells Fargo & Company 5.37M $11.65M March 31, 2015
DIMENSIONAL FUND ADVISORS 4.73M $10.26M March 31, 2015
GW Capital 4.67M $28.13M June 30, 2013
BlackRock Institutional Trust Company, N.A. 3.74M $8.12M March 31, 2015
Tocqueville Asset Management 3.35M $22.09M June 30, 2012
Neuberger Berman 2.96M $6.41M March 31, 2015
T. Rowe Price Associates 2.78M $9.18M Dec. 31, 2013
STATE STREET CORPORATION 2.51M $5.45M March 31, 2015
Ameriprise Financial 2.26M $6.22M Dec. 31, 2014
Principal Financial 2.14M $12.87M June 30, 2013
Norges Bank Investment Management 2.09M $5.75M Dec. 31, 2014
Gail Mannix 2.05M $13.53M June 30, 2012

Who sold ION Geophysical Corporation?

Fund Name Date Sold Number of Shares Sold Share Valuation
Columbus Circle Investors June 30, 2011 4.59M $43.46M
FMR Dec. 31, 2010 13.53M $114.77M
Century Capital Management Dec. 31, 2010 2.17M $18.37M