Gran Tierra Energy Inc
(AMEX: GTE)| Shares Outstanding | 270.00 Mil |
| Institutional Ownership (%) | 56.41 |
| Top 10 Institutions (%) | 28.30 |
| Mutual Fund Ownership (%) | 7.96 |
| 5%/Insider Ownership (%) | 15.04 |
| Float (%) | 84.96 |
| DESCRIPTION | # OF HOLDERS | SHARES |
|---|---|---|
| Total Positions | 134 | 152,308,142 |
| New Positions | 18 | 0 |
| Soldout Positions | 71 | 0 |
| Net Position Change | -43 | -8,945,723 |
| Buyers | 69 | 24,812,102 |
| Sellers | 112 | -33,757,825 |
| INSTITUTION NAME | SHS HELD | SHS CHG | %CHG | $CHG* | %OUT | %PORT | RPT DATE |
|---|---|---|---|---|---|---|---|
| Pyramis Global Advisors, LLC | 14,534,070 | -1,493,500 | -9.3 | -2,851,579 | 5.4 | 0.1 | 03-31-13 |
| Amber Capital Investment Management | 12,244,573 | -2,560,726 | -17.3 | -9,579,108 | 4.5 | 91.9 | 03-31-13 |
| Mason Hill Advisors, LLC | 9,561,144 | 4,094,644 | 74.9 | 26,099,112 | 3.5 | 21.9 | 03-31-13 |
| Wasatch Advisors, Inc. | 8,263,441 | 1,097,031 | 15.3 | 9,102,114 | 3.1 | 0.6 | 03-31-13 |
| The Vanguard Group, Inc. | 6,682,826 | -6,140,528 | -47.9 | -31,361,664 | 2.5 | 0 | 03-31-13 |
| CPP Investment Board | 6,336,160 | 1,949,600 | 44.4 | 13,086,675 | 2.4 | 0.2 | 03-31-13 |
| Ingalls & Snyder LLC (Asset Management) | 5,685,428 | -355,750 | -5.9 | 143,426 | 2.1 | 2.2 | 03-31-13 |
| RBC Global Asset Management Inc. | 4,574,708 | 817,139 | 21.7 | 6,195,078 | 1.7 | 0.1 | 03-31-13 |
| S.A.C. Capital Advisors, LP | 4,325,200 | 2,542,800 | 142.7 | 15,611,152 | 1.6 | 0.1 | 03-31-13 |
| Manulife Asset Management Limited | 4,179,139 | -1,133,033 | -21.3 | -4,696,731 | 1.6 | 0.1 | 03-31-13 |
| JPMorgan Asset Management U.K. Limited | 4,125,301 | -2,250 | -0.1 | 1,513,964 | 1.5 | 0.1 | 03-31-13 |
| Schroder Investment Management Ltd. (SIM) | 3,685,971 | -440,800 | -10.7 | -1,064,999 | 1.4 | 0.1 | 03-31-13 |
| Invesco Canada Ltd. | 3,579,828 | 504,667 | 16.4 | 4,105,252 | 1.3 | 0.2 | 03-31-13 |
| GMO LLC | 3,487,500 | 175,300 | 5.3 | 2,256,278 | 1.3 | 0.1 | 03-31-13 |
| Libra Advisors, LLC | 3,205,395 | -202,811 | -6 | 68,508 | 1.2 | 21.2 | 03-31-13 |
- *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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