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

Institutional Holders (2017Q2)
Portfolio Summary: 141 Institutional holders with a total value of $631,752,357.
#
Manager Name
Shares
Value ($)
%
Options
Notes
51 CITADEL ADVISORS LLC 620,547 1,379,000 0.22%
52 GSA CAPITAL PARTNERS LLP 463,178 1,038,000 0.16%
53 NORTHERN TRUST CORP 435,191 975,000 0.15%
54 STATE STREET CORP 374,942 840,000 0.13%
55 TWO SIGMA ADVISERS, LP 366,929 822,000 0.13%
56 MENTA CAPITAL LLC 362,872 813,000 0.13%
57 GFS Advisors, LLC 286,000 641,000 0.10%
58 Lombard Odier Asset Management (USA) Corp 275,000 616,000 0.10%
59 RUSSELL INVESTMENTS GROUP, LTD. 273,800 613,000 0.10%
60 HIGHBRIDGE CAPITAL MANAGEMENT LLC 239,922 537,000 0.09%
61 JPMORGAN CHASE & CO 219,367 491,000 0.08%
62 VIRGINIA RETIREMENT SYSTEMS ET Al 215,131 482,000 0.08%
63 CREDIT SUISSE AG/ 167,501 375,000 0.06%
64 CIBC Asset Management Inc 153,342 340,000 0.05%
65 OppenheimerFunds, Inc. 139,796 313,000 0.05%
66 MACQUARIE GROUP LTD 134,900 302,000 0.05%
67 MILLENNIUM MANAGEMENT LLC 132,449 297,000 0.05%
68 BRANDES INVESTMENT PARTNERS, LP 126,553 283,000 0.04%
69 CIBC WORLD MARKET INC. 124,892 280,000 0.04%
70 Grantham, Mayo, Van Otterloo & Co. LLC 120,118 269,000 0.04%
71 DELTEC ASSET MANAGEMENT LLC 118,250 265,000 0.04%
72 Parkwood LLC 117,743 264,000 0.04%
73 Virtu KCG Holdings LLC 115,353 258,000 0.04%
74 Vident Investment Advisory, LLC 114,945 257,000 0.04%
75 BANK OF NOVA SCOTIA 115,707 257,000 0.04%
76 BANK OF AMERICA CORP /DE/ 98,873 222,000 0.04%
77 HBK INVESTMENTS L P 92,666 208,000 0.03%
78 Aperio Group, LLC 73,692 165,000 0.03%
79 GOLDMAN SACHS GROUP INC 67,963 152,000 0.02%
80 Legal & General Group Plc 66,718 148,000 0.02%
81 DIMENSIONAL FUND ADVISORS LP 64,485 144,000 0.02%
82 Clear Harbor Asset Management, LLC 61,800 135,000 0.02%
83 CANADA LIFE ASSURANCE Co 56,858 126,000 0.02%
84 A.R.T. Advisors, LLC 55,092 123,000 0.02%
85 CoreCommodity Management, LLC 54,357 122,000 0.02%
86 SCOTIA CAPITAL INC. 53,742 119,000 0.02%
87 BlueCrest Capital Management Ltd 50,887 114,000 0.02%
88 WOLVERINE ASSET MANAGEMENT LLC 50,000 111,000 0.02%
89 Kazazian Asset Management, LLC 45,936 103,000 0.02%
90 ROANOKE ASSET MANAGEMENT CORP/ NY 36,000 81,000 0.01%
91 Livforsakringsbolaget Skandia, Omsesidigt 36,000 81,000 0.01%
92 QCM Cayman, Ltd. 35,861 80,000 0.01%
93 PRELUDE CAPITAL MANAGEMENT, LLC 35,681 80,000 0.01%
94 HSBC HOLDINGS PLC 34,576 78,000 0.01%
95 WOLVERINE ASSET MANAGEMENT LLC 33,000 73,000 0.01% Put
96 TEACHER RETIREMENT SYSTEM OF TEXAS 32,633 73,000 0.01%
97 FEDERATION DES CAISSES DESJARDINS DU QUEBEC 30,304 67,137 0.01%
98 SENTINEL TRUST CO LBA 29,900 67,000 0.01%
99 Lombard Odier Asset Management (Europe) Ltd 22,057 64,000 0.01%
100 HRT FINANCIAL LP 27,674 61,000 0.01%
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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.