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 8.49M $23.35M Dec. 31, 2014
BlackRock Fund Advisors 7.59M $20.88M Dec. 31, 2014
Wellington Management Company 6.74M $35.03M Sept. 30, 2013
Wells Fargo & Company 6.07M $16.70M Dec. 31, 2014
DARUMA ASSET MANAGEMENT INC /NY 5.86M $39.88M March 31, 2013
DIMENSIONAL FUND ADVISORS 4.71M $12.96M Dec. 31, 2014
GW Capital 4.67M $28.13M June 30, 2013
BlackRock Institutional Trust Company, N.A. 3.72M $10.22M Dec. 31, 2014
Tocqueville Asset Management 3.35M $22.09M June 30, 2012
STATE STREET CORPORATION 2.97M $8.17M Dec. 31, 2014
T. Rowe Price Associates 2.78M $9.18M Dec. 31, 2013
Neuberger Berman 2.77M $7.61M Dec. 31, 2014
Ameriprise Financial 2.26M $6.22M Dec. 31, 2014
Principal Financial 2.14M $12.87M June 30, 2013
Gail Mannix 2.02M $13.77M March 31, 2013
Allianz Asset Management AG 2.02M $8.51M March 31, 2014
NORTHERN TRUST 2.02M $12.17M June 30, 2013

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