Ion Geophysical Corporation Institutional Ownership

IO 
$8.91
*  
0.15
1.66%
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*Delayed - data as of Apr. 28, 2016  -  Find a broker to begin trading IO now
Exchange: NYSE
Industry: Energy
Community Rating:
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary as reported in the most recent 13F filings


Institutional Ownership 101.78%
Total Shares Outstanding (millions) 11
Total Value of Holdings (millions) $105

Active Positions

Holders Shares
Increased Positions 33 6,690,572
Decreased Positions 70 1,213,662
Held Positions 21 3,633,314
Total Institutional Shares 124 11,537,548

New and Sold Out Positions


Holders Shares
New Positions 13 1,766,860
Sold Out Positions 36 372,619

124 Institutional Holders
11,537,548 Total Shares Held


Click on the column header links to resort ascending (▲) or descending (▼).
Owner Name Date Shared Held Change (Shares) Change (%) Value (in 1,000s)
STATE STREET CORP 12/31/2015 2,216,380 2,046,563 1,205.16 20,080
PANAGORA ASSET MANAGEMENT INC 12/31/2015 1,940,665 1,842,773 1,882.46 17,582
INVESCO LTD. 12/31/2015 1,895,200 (225,227) (10.62) 17,171
FULLER & THALER ASSET MANAGEMENT, INC. 12/31/2015 1,665,800 1,665,800 New 15,092
COUNSEL PORTFOLIO SERVICES INC. 12/31/2015 791,037 738,299 1,399.94 7,167
VANGUARD GROUP INC 12/31/2015 419,455 65,574 18.53 3,800
DIMENSIONAL FUND ADVISORS LP 12/31/2015 279,597 (7,989) (2.78) 2,533
WELLS FARGO & COMPANY/MN 12/31/2015 272,920 (16,216) (5.61) 2,473
BLACKROCK FUND ADVISORS 12/31/2015 246,643 (307,490) (55.49) 2,235
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. 12/31/2015 227,892 (6,470) (2.76) 2,065
NEUBERGER BERMAN GROUP LLC 12/31/2015 197,523 (24,339) (10.97) 1,790
RENAISSANCE TECHNOLOGIES LLC 12/31/2015 174,175 5,740 3.41 1,578
NORGES BANK 12/31/2015 132,252 (7,061) (5.07) 1,198
GOLDMAN SACHS GROUP INC 12/31/2015 124,791 103,857 496.12 1,131
NORTHERN TRUST CORP 12/31/2015 100,427 (4,592) (4.37) 910

Institutional Holdings information for this company is filed by major institutions on form 13-F with the Securities and Exchange Commission.
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