Gran Tierra Energy
Produces South American and Western Canadian oil, gas and NGLs.
$9.88
After-hours close0.00 (0.00%)
At close$9.88(−2.27%)
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Breakdown13F · Form 4
Institutions 61.83%21.86M sharesInsiders 1.81%641.1K sharesOther 36.36%12.86M shares
Shares outstanding 35.36M · Float 23.46M · 66.3% free float
Institutions13F, as of Mar 31, 2026
79 holders · 21.86M shares · 19 new positions · 42 increased · 17 reduced · 10 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Equinox Partners Investment Management LLC | 6.38M | 18.05% | 0 | Apr 24, 2026 |
| LM Asset (Im) Inc. | 4.05M | 11.44% | +354.0K | May 11, 2026 |
| American Century Companies Inc | 1.61M | 4.55% | +66.2K | May 15, 2026 |
| D. E. Shaw & Co., Inc. | 1.10M | 3.11% | +628.2K | May 15, 2026 |
| Two Sigma Investments, LP | 958.9K | 2.71% | +749.8K | May 15, 2026 |
| Renaissance Technologies LLC | 776.7K | 2.20% | +16.3K | May 14, 2026 |
| Arrowstreet Capital, Limited Partnership | 604.4K | 1.71% | +578.4K | May 14, 2026 |
| Bridgeway Capital Management, LLC | 555.9K | 1.57% | −3.4K | May 15, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Daniel Lau | 12.00% | 4.24M | 13G | Jan 7, 2026 ↗ |
| Equinox Partners Investment Management LLC | 9.80% | 3.47M | 13G | Aug 17, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Gary Guidry | director, officer: President and CEO | 508.6K | 1.44% | Aug 19, 2026 |
| Equinox Partners Investment Management LLC | 10 percent owner | 299.6K | 0.85% | Aug 17, 2026 |
| Jim Evans | officer: EVP, Corporate Services | 50.1K | 0.14% | Aug 19, 2026 |
| Phillip D. Abraham | officer: EVP, Legal and Land | 44.5K | 0.13% | Aug 19, 2026 |
| Sebastien Morin | officer: Chief Operating Officer | 38.0K | 0.11% | Aug 19, 2026 |
1 ten-percent owner holds 299.6K shares by Form 4 — the 13D/G table above shows that stake, the figure above counts officers and directors only
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 14, 2026 | Equinox Partners Investment Management LLC10 percent owner | Sale · 4 lots | 347,990 | $9.31 | 299,625 |
| Aug 13, 2026 | Equinox Partners Investment Management LLC10 percent owner | Sale · 4 lots | 326,959 | $9.23 | 329,636 |
| Aug 12, 2026 | Equinox Partners Investment Management LLC10 percent owner | Sale · 4 lots | 165,377 | $9.49 | 357,833 |
| Aug 11, 2026 | Equinox Partners Investment Management LLC10 percent owner | Sale · 4 lots | 248,510 | $9.30 | 372,095 |
| Aug 10, 2026 | Equinox Partners Investment Management LLC10 percent owner | Sale · 4 lots | 113,705 | $9.08 | 393,527 |
| Aug 7, 2026 | Equinox Partners Investment Management LLC10 percent owner | Sale · 4 lots | 104,348 | $9.05 | 403,333 |
| Aug 6, 2026 | Equinox Partners Investment Management LLC10 percent owner | Sale · 8 lots | 2,187,424 | $9.18 | 412,332 |
| Aug 5, 2026 | Equinox Partners Investment Management LLC10 percent owner | Sale · 4 lots | 506,288 | $10.60 | 506,655 |
CongressHouse and Senate disclosures
Not reported.