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Ion Geophysical Corp (NYSE:IO)

6.97
Delayed Data
As of 4:02pm ET
 -0.24 / -3.33%
Today’s Change
2.55
Today|||52-Week Range
24.75
-7.64%
Year-to-Date
Institutional investors hold 42.82% of IO's outstanding shares This is below the norm for stocks in the Oilfield Services/Equipment industry and implies that this is not a key holding for them.
Mutual fund holders29.39%
Other institutional13.44%
Individual stakeholders10.47%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

3/31/2016SPARK INVESTMENT MANAGEMENT LLC  Bought 49.6 Thousand shares of Ion Geophysical Corp
3/31/2016OXFORD ASSET MANAGEMENT LLP  Bought 38.5 Thousand shares of Ion Geophysical Corp
3/31/2016PARAMETRIC PORTFOLIO ASSOCIATES ...  Bought 31.0 Thousand shares of Ion Geophysical Corp

Top 10 Owners of Ion Geophysical Corp

StockholderStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Invesco Advisers, Inc.8.33%943,9598,646,664-48-0.01%
Invesco Canada Ltd.7.72%874,9788,014,798-44,984-4.89%
BlackRock Fund Advisors4.09%463,7004,247,492-10,835-2.28%
The Vanguard Group, Inc.3.74%423,3533,877,913+3,898+0.93%
Dimensional Fund Advisors LP2.40%272,0912,492,354-7,506-2.68%
Neuberger Berman Investment Advis...1.66%188,5961,727,539-8,927-4.52%
Renaissance Technologies LLC1.50%169,7821,555,203-4,393-2.52%
SSgA Funds Management, Inc.1.43%161,6461,480,677+13,880+9.39%
Norges Bank Investment Management1.17%132,2781,211,666-7,035-5.05%
Northern Trust Investments, Inc.0.88%99,156908,269-1,271-1.27%

Top 10 Mutual Funds Holding Ion Geophysical Corp

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Invesco Select Companies Fund8.28%938,4868,596,532-47-0.01%
Trimark Canadian Small Companies ...5.96%675,6866,189,284-207,090-23.46%
Vanguard Total Stock Market Index...1.54%174,7481,600,69200.00%
iShares Russell 2000 ETF1.38%156,4051,432,670+2,346+1.52%
Government Pension Fund - Global ...1.17%132,2781,211,666-2,895-2.14%
Vanguard Institutional Total Stoc...1.13%128,2091,174,39400.00%
Trimark US Small Companies Class1.10%124,5381,140,768+30,298+32.15%
Vanguard Extended Market Index Fu...0.86%97,515893,23700.00%
Royce Value Trust0.63%71,880658,421-4-0.01%
DFA US Micro Cap Portfolio0.62%70,437645,203-4,214-5.64%