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 $12.40M Sept. 30, 2015
St. Denis J. Villere & Co 10.31M $34.02M Dec. 31, 2013
Wellington Management Company 6.74M $35.03M Sept. 30, 2013
Vanguard 6.29M $3.15M Dec. 31, 2015
DARUMA ASSET MANAGEMENT INC /NY 5.86M $39.88M March 31, 2013
GW Capital 4.67M $28.13M June 30, 2013
DIMENSIONAL FUND ADVISORS 4.19M $2.10M Dec. 31, 2015
Wells Fargo & Company 4.09M $2.05M Dec. 31, 2015
BlackRock Fund Advisors 3.70M $1.85M Dec. 31, 2015
BlackRock Institutional Trust Company, N.A. 3.42M $1.71M Dec. 31, 2015
Tocqueville Asset Management 3.35M $22.09M June 30, 2012
Neuberger Berman 2.96M $1.48M Dec. 31, 2015
T. Rowe Price Associates 2.78M $9.18M Dec. 31, 2013
Renaissance Technologies 2.61M $1.31M Dec. 31, 2015
STATE STREET CORPORATION 2.57M $2.75M June 30, 2015

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
Ameriprise Financial March 31, 2011 2.86M $36.34M
FMR Dec. 31, 2010 13.53M $114.77M