ION Geophysical
(NYSE: IO)
6.05
unch
MORE ON IO
OWNERSHIP INFORMATION
| Shares Outstanding | 156.85 Mil |
| Institutional Ownership (%) | 99.96 |
| Top 10 Institutions (%) | 65.92 |
| Mutual Fund Ownership (%) | 40.83 |
| 5%/Insider Ownership (%) | 2.37 |
| Float (%) | 0.78 |
OWNERSHIP ACTIVITY
| DESCRIPTION | # OF HOLDERS | SHARES |
|---|---|---|
| Total Positions | 179 | 156,873,547 |
| New Positions | 56 | 48,451,662 |
| Soldout Positions | 23 | 6,562,528 |
| Net Position Change | 123 | 1,835,999 |
| Buyers | 67 | 4,699,474 |
| Sellers | 56 | -2,863,475 |
| INSTITUTION NAME | SHS HELD | SHS CHG | %CHG | $CHG* | %OUT | %PORT | RPT DATE |
|---|---|---|---|---|---|---|---|
| BGP Inc., China National Petroleum Corp | 23,789,536 | 0 | 0 | 0 | 15.18 | NA | 04-01-13 |
| Invesco Ltd. | 16,436,344 | 16,436,344 | NA | 105,028,238 | 10.48 | NA | 05-31-13 |
| BlackRock | 9,744,766 | 9,744,766 | NA | 66,361,856 | 6.22 | NA | 04-01-13 |
| Villere St Denis J & Co Llc | 9,175,000 | 9,175,000 | NA | 62,481,750 | 5.86 | NA | 04-01-13 |
| Wellington Management Company, LLP | 8,976,135 | 8,976,135 | NA | 61,127,479 | 5.73 | NA | 04-01-13 |
| Wells Capital Management Inc. | 8,520,296 | -107,143 | -1.24 | -729,654 | 5.44 | 0.11 | 03-31-13 |
| Laitram LLC | 7,605,345 | 0 | 0 | 0 | 4.85 | NA | 04-01-13 |
| Vanguard Group, Inc. | 7,582,584 | -208,043 | -2.67 | -1,416,762 | 4.84 | 0.01 | 03-31-13 |
| Daruma Asset Management Inc | 5,856,613 | -912,383 | -13.48 | -6,213,401 | 3.74 | 2.02 | 03-31-13 |
| Invesco Advisers, Inc | 5,604,518 | 0 | 0 | 0 | 3.58 | 0.03 | 03-31-13 |
| GW Capital Inc | 4,574,340 | -31,306 | -0.68 | -213,192 | 2.92 | 1.6 | 03-31-13 |
| Dimensional Fund Advisors, Inc. | 3,656,245 | 10,063 | 0.28 | 68,529 | 2.33 | 0.02 | 03-31-13 |
| State Street Corp | 3,168,188 | 59,159 | 1.9 | 402,829 | 2.02 | 0 | 03-31-13 |
| T. Rowe Price Associates, Inc. | 2,959,300 | 21,100 | 0.72 | 143,692 | 1.89 | 0.01 | 03-31-13 |
| St. Denis J. Villere & Company, LLC | 2,559,184 | 209,360 | 8.91 | 1,337,810 | 1.63 | 2.85 | 05-31-13 |
- *Category Headings:
- Shs Held - shares held at report date
- Shs Chg - position change within reporting period
- %Chg - % change
- $Chg - market value of the position change
- %Out - % of shares outstanding
- %Port - % Portfolio
- Rpt Date - report date
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