GRAN TIERRA ENERGY INC.

Historical 13F Holders

Symbol: GTE
CUSIP: 38500T200
All holders as of: Q2 2026
Type: Equity
Class: COM

Reported Value, Excluding Options

Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 38500T200 since 12/18/2024, newest first.

Filer	% of Class	Shares	Form	Filed
Equinox Partners Investment Management LLC 13G/A Amendment 1	4.3%	1,533,793	13G/A Amendment 1	9/17/2026 Event 9/11/2026
Equinox Partners Investment Management LLC	4.3%	1,533,793
Equinox Partners, L.P.	1.7%	611,231
Kuroto Fund LP	0.4%	156,116
Mason Hill Partners, LP	0.4%	155,102
Sean M. Fieler	4.3%	1,533,793
Equinox Partners Investment Management LLC 13G	9.8%	3,474,582	13G	8/17/2026 Event 8/13/2026
Equinox Partners Investment Management LLC	9.8%	3,474,582
Equinox Partners, L.P.	4.0%	1,407,074
Kuroto Fund LP	1.0%	359,336
Mason Hill Partners, LP	0.9%	299,625
Sean M. Fieler	9.8%	3,474,582
Equinox Partners Investment Management LLC 13D/A Amendment 4	11.7%	4,149,531	13D/A Amendment 4	8/13/2026 Event 8/11/2026
Equinox Partners Investment Management LLC	11.7%	4,149,531
Equinox Partners, L.P.	4.8%	1,680,415
Kuroto Fund LP	1.2%	429,147
Mason Hill Partners, LP	1.0%	357,833
Sean M. Fieler	11.7%	4,149,531
Daniel Lau 13G/A Amendment 5	13.6%	4,812,420	13G/A Amendment 5	8/12/2026 Event 6/30/2026
Daniel Lau	13.6%	4,812,420
Christine Man	13.1%	4,637,970
LM Asset Management Inc.	12.3%	4,365,420
LM Asset Fund Limited Partnership	8.1%	2,847,800
LM Asset General Partner Ltd.	10.3%	3,648,020
Equinox Partners Investment Management LLC 13D/A Amendment 3	13.5%	4,781,471	13D/A Amendment 3	8/7/2026 Event 8/5/2026
Equinox Partners Investment Management LLC	13.5%	4,781,471
Equinox Partners, L.P.	5.5%	1,936,337
Kuroto Fund LP	1.4%	494,508
Mason Hill Partners, LP	1.2%	412,332
Sean M. Fieler	13.5%	4,781,471
Daniel Lau 13G/A Amendment 4	12.0%	4,236,200	13G/A Amendment 4	1/7/2026 Event 1/5/2026
Daniel Lau	12.0%	4,236,200
Christine Man	11.5%	4,061,750
LM Asset Management Inc.	10.9%	3,851,200
LM Asset Fund Limited Partnership	7.8%	2,754,200
LM Asset General Partner Ltd.	10.0%	3,534,200
Daniel Lau 13G/A Amendment 3	11.5%	4,056,200	13G/A Amendment 3	12/19/2025 Event 12/17/2025
Daniel Lau	11.5%	4,056,200
Christine Man	11.0%	3,881,750
LM Asset (IM) Inc.	10.4%	3,671,200
LM Asset Fund Limited Partnership	7.4%	2,601,200
LM Asset Management Inc.	9.6%	3,381,200
Equinox Partners Investment Management LLC 13D/A Amendment 2	17.6%	6,219,896	13D/A Amendment 2	11/19/2025 Event 11/17/2025
Equinox Partners Investment Management LLC	17.6%	6,219,896
Equinox Partners, L.P.	7.2%	2,543,910
Kuroto Fund LP	1.9%	659,996
Mason Hill Partners, LP	1.6%	550,317
Sean M. Fieler	17.6%	6,219,896
Encompass Capital Advisors LLC 13G/A Amendment 2	0%	0	13G/A Amendment 2	11/14/2025 Event 9/30/2025
Encompass Capital Advisors LLC	0%	0
Todd J. Kantor	0%	0
Encompass Capital Partners LLC	0%	0
Daniel Lau 13G/A Amendment 2	9.0%	3,176,800	13G/A Amendment 2	11/14/2025 Event 9/30/2025
Daniel Lau	9.0%	3,176,800
Christine Man	8.5%	3,002,350
LM Asset (IM) Inc.	7.9%	2,791,800
Equinox Partners Investment Management LLC 13D/A Amendment 1	16.4%	5,796,370	13D/A Amendment 1	11/7/2025 Event 11/4/2025
Equinox Partners Investment Management LLC	16.4%	5,796,370
Equinox Partners, L.P.	6.8%	2,396,343
Kuroto Fund LP	1.8%	616,254
Mason Hill Partners, LP	1.4%	498,986
Sean M. Fieler	16.4%	5,796,370
Equinox Partners Investment Management LLC 13D	14.4%	5,097,688	13D	10/6/2025 Event 9/30/2025
Equinox Partners Investment Management LLC	14.4%	5,097,688
Equinox Partners, L.P.	6.1%	2,163,682
Kuroto Fund LP	1.5%	538,700
Mason Hill Partners, LP	1.0%	343,879
Sean M. Fieler	14.4%	5,097,688
Daniel Lau 13G/A Amendment 1	7.2%	2,521,800	13G/A Amendment 1	8/14/2025 Event 6/30/2025
Daniel Lau	7.2%	2,521,800
Christine Man	6.7%	2,347,350
LM Asset (IM) Inc.	6.2%	2,181,800
Encompass Capital Advisors LLC 13G/A Amendment 1	7.0%	2,500,589	13G/A Amendment 1	5/15/2025 Event 3/31/2025
Encompass Capital Advisors LLC	7.0%	2,500,589
Todd J. Kantor	7.0%	2,500,589
Encompass Capital Partners LLC	5.5%	1,974,464
Equinox Partners Investment Management LLC 13G/A Amendment 3	13.5%	4,759,296	13G/A Amendment 3	5/15/2025 Event 3/31/2025
Equinox Partners Investment Management LLC	13.5%	4,759,296
Equinox Partners, L.P.	5.6%	1,994,486
Kuroto Fund LP	1.5%	538,700
Mason Hill Partners, LP	1.0%	343,879
Sean M. Fieler	13.5%	4,759,296
Daniel Lau 13G	5.7%	2,056,600	13G	3/10/2025 Event 3/3/2025
Daniel Lau	5.7%	2,056,600
Christine Man	5.2%	1,882,150
Encompass Capital Advisors LLC 13G	5.1%	1,854,627	13G	2/3/2025 Event 12/30/2024
Encompass Capital Advisors LLC	5.1%	1,854,627
Todd J. Kantor	5.1%	1,854,627
Equinox Partners Investment Management LLC 13G/A Amendment 2	10.2%	3,716,114	13G/A Amendment 2	1/28/2025 Event 1/24/2025
Equinox Partners Investment Management LLC	10.2%	3,716,114
Equinox Partners, L.P.	4.8%	1,736,061
Kuroto Fund LP	1.5%	538,700
Mason Hill Partners, LP	0.4%	141,921
Sean M. Fieler	10.2%	3,716,114

13F Holders by Quarter

Period	Filings	Shares, Excl. Options	Value, Excl. Options	Options Value
2026 Q3	1	844	$8.32 k	$0
2026 Q2	77	22.9 M	$143 M	$2.63 M
2026 Q1	79	21.9 M	$196 M	$2.68 M
2025 Q4	63	17.9 M	$76.0 M	$0
2025 Q3	64	15.4 M	$67.2 M	$51.8 k
2025 Q2	81	17.3 M	$82.5 M	$515 k
2025 Q1	80	16.7 M	$82.4 M	$394 k
2024 Q4	86	16.1 M	$117 M	$1.35 M
2024 Q3	81	10.9 M	$68.9 M	$3.53 M
2024 Q2	80	11.4 M	$113 M	$7.64 M
2024 Q1	65	9.29 M	$66.4 M	$1.67 M
2023 Q4	71	10.4 M	$58.6 M	$2.43 M
2023 Q3	68	9.85 M	$68.5 M	$3.27 M
2023 Q2	62	9.34 M	$45.8 M	$2.29 M
2023 Q1	1	5.58 M	$4.91 M	$0