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GRAN TIERRA ENERGY INC
GRAN TIERRA ENERGY INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 127 Institutional holders with a total value of $455,065,040.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 WEST FACE CAPITAL INC. 24,300,000 72,414,000 15.91%
2 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 19,335,919 57,621,040 12.66%
3 Amber Capital Management LP 16,406,046 48,890,000 10.74%
4 CANADA PENSION PLAN INVESTMENT BOARD 7,367,500 22,068,000 4.85%
5 Invesco Ltd. 5,702,476 17,098,000 3.76%
6 RENAISSANCE TECHNOLOGIES LLC 5,510,300 16,421,000 3.61%
7 FRANKLIN RESOURCES INC 4,644,084 13,839,000 3.04%
8 PUBLIC SECTOR PENSION INVESTMENT BOARD 4,589,264 13,748,000 3.02%
9 River Road Asset Management, LLC 4,468,350 13,316,000 2.93%
10 JPMORGAN CHASE & CO 4,270,768 12,726,000 2.80%
11 SCHRODER INVESTMENT MANAGEMENT GROUP 3,336,847 12,480,000 2.74%
12 EdgePoint Investment Group Inc. 4,122,329 12,364,000 2.72%
13 VANGUARD GROUP INC 3,530,643 10,521,000 2.31%
14 WASATCH ADVISORS LP 3,427,658 10,214,000 2.24%
15 Grandeur Peak Global Advisors, LLC 3,136,725 9,347,000 2.05%
16 BARROW HANLEY MEWHINNEY & STRAUSS LLC 2,764,533 8,238,000 1.81%
17 WHITEBOX ADVISORS LLC 2,378,318 7,087,000 1.56%
18 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 2,009,000 5,987,000 1.32%
19 NORGES BANK 1,763,081 5,254,000 1.15%
20 WCM INVESTMENT MANAGEMENT, LLC 1,701,259 5,069,000 1.11%
21 Bank of New York Mellon Corp 1,521,922 4,535,000 1.00%
22 TD ASSET MANAGEMENT INC 1,453,020 4,347,000 0.96%
23 CITADEL ADVISORS LLC 1,324,496 3,947,000 0.87%
24 MORGAN STANLEY 1,314,929 3,918,000 0.86%
25 DREMAN VALUE MANAGEMENT, L L C 1,197,224 3,568,000 0.78%
26 ACADIAN ASSET MANAGEMENT LLC 1,098,476 3,273,000 0.72%
27 SUSQUEHANNA INTERNATIONAL GROUP, LLP 1,020,434 3,041,000 0.67%
28 Prince Street Capital Management LLC 889,100 2,662,000 0.58%
29 NORTHERN TRUST CORP 888,143 2,647,000 0.58%
30 Numeric Investors LLC 868,335 2,588,000 0.57%
31 BNP Paribas Asset Management Holding S.A. 840,482 2,505,000 0.55%
32 Alberta Investment Management Corp 668,700 2,501,000 0.55%
33 AMERIPRISE FINANCIAL INC 811,025 2,417,000 0.53%
34 TWO SIGMA ADVISERS, LP 781,101 2,328,000 0.51%
35 USCA RIA LLC 704,500 2,099,000 0.46%
36 K.J. Harrison & Partners Inc 703,500 2,096,000 0.46%
37 ALLIANCEBERNSTEIN L.P. 679,970 2,026,000 0.45%
38 HBK INVESTMENTS L P 635,359 1,893,000 0.42%
39 ROYAL BANK OF CANADA 555,549 1,656,000 0.36%
40 Pinnacle Summer Investments, Inc. 524,700 1,564,000 0.34%
41 PRICE T ROWE ASSOCIATES INC /MD/ 498,760 1,486,000 0.33%
42 TWO SIGMA INVESTMENTS, LP 459,200 1,368,000 0.30%
43 BANK OF MONTREAL /CAN/ 453,126 1,351,000 0.30%
44 GSA CAPITAL PARTNERS LLP 399,588 1,191,000 0.26%
45 Cambrian Capital Limited Partnership 395,849 1,180,000 0.26%
46 SHEPHERD KAPLAN KROCHUK, LLC 370,519 1,109,000 0.24%
47 TORONTO DOMINION BANK 326,468 977,000 0.21%
48 Boston Partners 323,629 964,000 0.21%
49 GLG Partners LP 314,857 943,000 0.21%
50 RUSSELL FRANK CO/ 300,254 895,000 0.20%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.