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 32.59M $137.20M March 31, 2014
St. Denis J. Villere & Co 10.31M $34.02M Dec. 31, 2013
Vanguard 8.72M $36.69M March 31, 2014
Wells Fargo & Company 7.68M $32.31M March 31, 2014
BlackRock Fund Advisors 7.40M $31.17M March 31, 2014
Wellington Management Company 6.74M $35.03M Sept. 30, 2013
DARUMA ASSET MANAGEMENT INC /NY 5.86M $39.88M March 31, 2013
GW Capital 4.67M $28.13M June 30, 2013
BlackRock Institutional Trust Company, N.A. 3.92M $16.52M March 31, 2014
DIMENSIONAL FUND ADVISORS 3.59M $15.11M March 31, 2014
STATE STREET CORPORATION 3.43M $14.44M March 31, 2014
Tocqueville Asset Management 3.35M $22.09M June 30, 2012
Neuberger Berman 2.86M $9.45M Dec. 31, 2013
T. Rowe Price Associates 2.78M $9.18M Dec. 31, 2013
Ameriprise Financial 2.31M $9.74M March 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 1.79M $7.53M March 31, 2014

Who sold ION Geophysical Corporation?

Fund Name Date Sold Number of Shares Sold Share Valuation
Norges Bank Investment Management Dec. 31, 2013 1.74M $5.74M
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
Heather K. Mellem, Esq. Dec. 31, 2010 1.78M $15.07M
Netols Asset Management Dec. 31, 2010 1.74M $14.77M