Dark
Light
System
Security
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
51 Rathbones Group PLC 287,686 863,000 0.19%
52 CREDIT SUISSE AG/ 248,038 739,000 0.16%
53 DEUTSCHE BANK AG\ 219,729 654,000 0.14%
54 MILLENNIUM MANAGEMENT LLC 191,600 571,000 0.13%
55 SG Americas Securities, LLC 175,362 523,000 0.11%
56 PineBridge Investments, L.P. 138,420 518,000 0.11%
57 BRIDGEWAY CAPITAL MANAGEMENT, LLC 160,200 477,000 0.10%
58 TFS CAPITAL LLC 150,416 448,000 0.10%
59 EDMOND DE ROTHSCHILD HOLDING S.A. 140,400 424,000 0.09%
60 CIBC Asset Management Inc 139,646 419,000 0.09%
61 EDMOND DE ROTHSCHILD ASSET MANAGEMENT (FRANCE) 136,400 412,000 0.09%
62 MACQUARIE GROUP LTD 134,900 402,000 0.09%
63 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 128,788 384,000 0.08%
64 MANUFACTURERS LIFE INSURANCE COMPANY, THE 106,371 317,000 0.07%
65 Livforsakringsbolaget Skandia, Omsesidigt 93,600 279,000 0.06%
66 Cubist Systematic Strategies, LLC 93,072 278,000 0.06%
67 Legal & General Group Plc 91,832 275,000 0.06%
68 Clear Harbor Asset Management, LLC 87,750 261,000 0.06%
69 SUSQUEHANNA INTERNATIONAL GROUP, LLP 82,100 245,000 0.05% Call
70 Tower Research Capital LLC (TRC) 77,683 231,000 0.05%
71 Aperio Group, LLC 73,728 220,000 0.05%
72 BANCORPSOUTH INC 71,747 214,000 0.05%
73 DIMENSIONAL FUND ADVISORS LP 71,485 213,000 0.05%
74 PDT Partners, LLC 67,800 202,000 0.04%
75 Ifrah Financial Services, Inc. 66,939 199,000 0.04%
76 DekaBank Deutsche Girozentrale 65,000 194,000 0.04%
77 CIBC WORLD MARKET INC. 61,150 182,000 0.04%
78 TIAA CREF INVESTMENT MANAGEMENT LLC 60,000 179,000 0.04%
79 WELLS FARGO & COMPANY/MN 57,518 172,000 0.04%
80 NOMURA HOLDINGS INC 55,430 166,000 0.04%
81 Nine Chapters Capital Management LLC 47,100 140,000 0.03%
82 BANK OF NOVA SCOTIA 46,640 140,000 0.03%
83 Gotham Asset Management, LLC 45,788 136,000 0.03%
84 JANE STREET GROUP, LLC 45,300 135,000 0.03%
85 BARD ASSOCIATES INC 45,003 134,000 0.03%
86 GOLDMAN SACHS GROUP INC 43,181 129,000 0.03%
87 TORONTO DOMINION BANK 38,600 116,000 0.03% Call
88 D. E. Shaw & Co., Inc. 38,153 114,000 0.03%
89 WELLINGTON MANAGEMENT GROUP LLP 31,095 93,000 0.02%
90 AXA S.A. 30,100 90,000 0.02%
91 SENTINEL TRUST CO LBA 29,900 89,000 0.02%
92 Virtu KCG Holdings LLC 29,132 87,000 0.02%
93 COMERICA BANK 29,102 86,000 0.02%
94 HIGHBRIDGE CAPITAL MANAGEMENT LLC 27,897 83,000 0.02%
95 DELTEC ASSET MANAGEMENT LLC 27,750 83,000 0.02%
96 US BANCORP \DE\ 25,214 75,000 0.02%
97 B. Riley Wealth Management, Inc. 23,800 70,000 0.02%
98 CANADA LIFE ASSURANCE Co 22,455 67,000 0.01%
99 Freedom Investment Management, Inc. 20,602 61,000 0.01%
100 SII INVESTMENTS INC/WI 20,400 61,000 0.01%
Page 2 of 3

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.