GTE · Gran Tierra Energy Inc. · Holdings

$10.79 -0.22 (-2.00%) At close · Sep 11

Market Cap

$381.75M

35.38M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 70

Total Value: $145,948,035

Total Shares: 23,351,690

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 70 13F filers · Δ vs Mar 31, 2026

Top Holder

27.3%

−1.5 pts

Top 5

64.2%

+0.6 pts

Top 10

78.7%

+2.4 pts

HHI

1,280

Broadly held−38

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -1

Institutional value: -26.6%

Shares held: +5.4%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega TWO SIGMA INVESTMENTS, LP	+426,944	1,385,858
Small LM Asset Management Inc.	+320,000	4,365,420
Mega DIMENSIONAL FUND ADVISORS LP	+202,364	437,209
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	+199,386	803,763
Large RENAISSANCE TECHNOLOGIES LLC	+183,680	960,360

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large Point72 Asset Management, L.P.	−314,269	60,118
Mid Jump Financial, LLC	−249,837	126,998
Mega JANE STREET GROUP, LLC	−78,340	219,558
Mega BlackRock, Inc.	−59,840	92,309
Large Schonfeld Strategic Advisors LLC	−47,118	51,248

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega FIRST TRUST ADVISORS LP	180,984	$1,131,150
Large ACADIAN ASSET MANAGEMENT LLC	143,614	$897,587
Large Squarepoint Ops LLC	92,661	$579,131
Mega BANK OF AMERICA CORP /DE/	69,180	$432,375
Mid Campbell & CO Investment Adviser LLC	44,575	$278,593

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid PRELUDE CAPITAL MANAGEMENT, LLC	202,534	$1,816,729
Mega JANUS HENDERSON GROUP PLC	168,883	$1,514,880
Mid Quantbot Technologies LP	83,734	$751,093
Small Cygnus Capital Advisors, LLC	81,610	$732,041
Large HRT FINANCIAL LP	50,425	$452,312

Filter: New 12 Increased 29 Reduced 19 Sold out 13 Unchanged 10

Showing 77 of 77

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Equinox Partners Investment Management LLC

$39,884,193

27.33%

6,381,471

LM Asset Management Inc.

$27,283,875

18.69%

4,365,420

AMERICAN CENTURY COMPANIES INC

$10,641,112

7.29%

1,702,578

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	1,702,578	$10,641,112	100.0%	Defined

TWO SIGMA INVESTMENTS, LP

$8,661,612

5.93%

1,385,858

D. E. Shaw & Co., Inc.

$7,238,899

4.96%

1,158,224

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	1,131,071	$7,069,193	97.7%	Defined
D. E. Shaw Investment Management, L.L.C. joint	27,153	$169,706	2.3%	Defined

RENAISSANCE TECHNOLOGIES LLC

$6,002,250

4.11%

960,360

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

$5,023,518

3.44%

803,763

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$3,597,518

2.46%

575,603

Connor, Clark & Lunn Investment Management Ltd.

$3,274,231

2.24%

523,877

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	523,877	$3,274,231	100.0%	Sole

UBS Group AG

$3,161,837

2.17%

505,894

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	498,941	$3,118,381	98.6%	Defined
UBS Switzerland AG	1	$6	0.0%	Defined
UBS Securities LLC	6,952	$43,450	1.4%	Defined

BNP PARIBAS ARBITRAGE, SA

$2,923,912

2.00%

467,826

DIMENSIONAL FUND ADVISORS LP

$2,732,556

1.87%

437,209

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	3,800	$23,750	0.9%	Defined
DFA Australia Ltd.	3,585	$22,406	0.8%	Defined
Dimensional Ireland Ltd	17,212	$107,575	3.9%	Defined
Held directly	412,612	$2,578,825	94.4%	Sole

MORGAN STANLEY

$2,569,630

1.76%

411,141

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Morgan Stanley Canada LTD	92,382	$577,387	22.5%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	317,992	$1,987,450	77.3%	Defined
MORGAN STANLEY SMITH BARNEY LLC	764	$4,775	0.2%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	3	$18	0.0%	Defined

CITADEL ADVISORS LLC

$2,528,612

1.73%

404,578

Empowered Funds, LLC

$2,253,700

1.54%

360,592

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Bridgeway Capital Management, LLC	278,300	$1,739,375	77.2%	Other
Held directly	82,292	$514,325	22.8%	Sole

MILLENNIUM MANAGEMENT LLC

$2,082,437

1.43%

333,190

JPMORGAN CHASE & CO

$1,754,262

1.20%

280,682

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	280,682	$1,754,262	100.0%	Defined

FIRST TRUST ADVISORS LP

$1,131,150

0.78%

180,984

Quadrature Capital Ltd

$1,001,825

0.69%

160,292

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	160,292	$1,001,825	100.0%	Other

ACADIAN ASSET MANAGEMENT LLC

$897,587

0.62%

143,614

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	143,614	$897,587	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$858,125

0.59%

137,300

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	137,300	$858,125	100.0%	Other

Jump Financial, LLC

$793,737

0.54%

126,998

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jump Trading Holdings, LLC	598	$3,737	0.5%	Defined
Leap GP LLC joint	126,400	$790,000	99.5%	Defined

Squarepoint Ops LLC

$579,131

0.40%

92,661

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	92,661	$579,131	100.0%	Defined

BlackRock, Inc.

$576,930

0.40%

92,309

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	58,035	$362,718	62.9%	Sole
BlackRock Institutional Trust Company, N.A.	31,745	$198,406	34.4%	Sole
Aperio Group, LLC	2,529	$15,806	2.7%	Sole

JANE STREET GROUP, LLC

$558,487

0.38%

89,358

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	79,786	$498,662	89.3%	Defined
Jane Street Global Trading, LLC	9,572	$59,825	10.7%	Defined

CITADEL ADVISORS LLC

$529,375

0.36%

84,700

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	84,700	$529,375	100.0%	Defined

GOLDMAN SACHS GROUP INC

$450,900

0.31%

72,144

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	72,144	$450,900	100.0%	Defined

JANE STREET GROUP, LLC

$444,375

0.30%

71,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	71,100	$444,375	100.0%	Defined

Susquehanna Portfolio Strategies, LLC

$440,381

0.30%

70,461

BANK OF AMERICA CORP /DE/

$432,375

0.30%

69,180

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	44,580	$278,625	64.4%	Defined
MERRILL LYNCH CANADA INC.	24,600	$153,750	35.6%	Defined

Cresset Asset Management, LLC

$411,562

0.28%

65,850

Point72 Asset Management, L.P.

$375,737

0.26%

60,118

JANE STREET GROUP, LLC

$369,375

0.25%

59,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	59,100	$369,375	100.0%	Defined

XTX Topco Ltd

$366,712

0.25%

58,674

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	58,674	$366,712	100.0%	Defined

Schonfeld Strategic Advisors LLC

$320,300

0.22%

51,248

GAM Holding AG

$312,500

0.21%

50,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GAM Investment Management (Switzerland) AG	50,000	$312,500	100.0%	Sole

GROUP ONE TRADING LLC

$279,706

0.19%

44,753

Campbell & CO Investment Adviser LLC

$278,593

0.19%

44,575

Graham Capital Management, L.P.

$239,125

0.16%

38,260

EXCHANGE TRADED CONCEPTS, LLC

$234,493

0.16%

37,519

CITADEL ADVISORS LLC

$213,125

0.15%

34,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	34,100	$213,125	100.0%	Defined

BARCLAYS PLC

$189,456

0.13%

30,313

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	3,633	$22,706	12.0%	Defined
BARCLAYS CAPITAL SECURITIES LTD	26,680	$166,750	88.0%	Defined

Brevan Howard Capital Management LP

$189,050

0.13%

30,248

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Brevan Howard US Investment Management, LP	30,248	$189,050	100.0%	Defined

SG Americas Securities, LLC

$181,325

0.12%

29,012

BANK OF MONTREAL /CAN/

$172,143

0.12%

27,543

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BMO NESBITT BURNS INC.	27,543	$172,143	100.0%	Defined

PDT Partners, LLC

$171,025

0.12%

27,364

HSBC HOLDINGS PLC

$153,581

0.11%

24,573

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	24,573	$153,581	100.0%	Defined

Y-Intercept (Hong Kong) Ltd

$152,037

0.10%

24,326

OCCUDO QUANTITATIVE STRATEGIES LP

$139,737

0.10%

22,358

AXQ CAPITAL, LP

$117,718

0.08%

18,835

State of Wyoming

$104,968

0.07%

16,795

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$104,375

0.07%

16,700

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	16,700	$104,375	100.0%	Other

Walleye Capital LLC

$93,125

0.06%

14,900

Engineers Gate Manager LP

$76,943

0.05%

12,311

OXFORD ASSET MANAGEMENT LLP

$68,200

0.05%

10,912

MARSHALL WACE, LLP

$66,250

0.05%

10,600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	10,600	$66,250	100.0%	Other

Walleye Capital LLC

$60,300

0.04%

9,648

ROYAL BANK OF CANADA

$32,692

0.02%

5,231

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	2,299	$14,368	43.9%	Defined
RBC Dominion Securities Inc.	2,929	$18,306	56.0%	Defined
RBC Europe Ltd	3	$18	0.1%	Defined

Caitong International Asset Management Co., Ltd

$29,056

0.02%

4,649

NATIONAL BANK OF CANADA /FI/

$28,843

0.02%

4,615

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
National Bank Financial Inc.	4,615	$28,843	100.0%	Defined

SIMPLEX TRADING, LLC

$23,856

0.02%

3,817

Walleye Capital LLC

$22,500

0.02%

3,600

OSAIC HOLDINGS, INC.

$21,375

0.01%

3,420

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	1,800	$11,250	52.6%	Defined
Osaic Advisory Services, LLC	1,620	$10,125	47.4%	Defined

US BANCORP \DE\

$9,375

0.01%

1,500

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
US BANK NATIONAL ASSOCIATION	1,500	$9,375	100.0%	Defined

SIGNATUREFD, LLC

$7,700

0.01%

1,232

JONES FINANCIAL COMPANIES LLLP

$6,818

0.00%

1,091

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	1,091	$6,818	100.0%	Sole

TD Waterhouse Canada Inc.

$6,250

0.00%

1,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TORONTO DOMINION BANK	1,000	$6,250	100.0%	Defined

CITIGROUP INC

$6,187

0.00%

990

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	990	$6,187	100.0%	Defined

Farther Finance Advisors, LLC

$1,100

0.00%

176

Federation des caisses Desjardins du Quebec

$681

0.00%

109

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Desjardins Securities inc.	109	$681	100.0%	Defined

SBI Securities Co., Ltd.

$656

0.00%

105

WELLS FARGO & COMPANY/MN

$449

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	7	$43	9.6%	Defined
WELLS FARGO CLEARING SERVICES, LLC	65	$406	90.4%	Defined

Activest Wealth Management

$381

0.00%

Optiver Holding B.V.

$62

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Optiver VOF	10	$62	100.0%	Defined

Bogart Wealth, LLC

$43

0.00%

Medallion Wealth Advisors, LLC

$12

0.00%

Evelyn Partners Group Ltd

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Evelyn Partners Investment Management (Europe) Ltd	1	$6	100.0%	Sole

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JANUS HENDERSON INVESTORS UK Ltd	168,883	$1,514,880	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1 joint	83,734	$751,093	100.0%	Sole

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STIFEL NICOLAUS & CO INC \MO\	37,008	$331,961	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	18,447	$165,469	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST GLOBAL INVESTMENTS LTD	18,413	$165,164	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	2,635	$23,635	100.0%	Defined

Key facts CIK 1273441 CUSIP 38500T200 13F (30d) 32 filings 32 filers Visit website Investor relations