Tourmaline OilTRMLF

13F holders, Q4 2025 (December 31)
6holders +4
2new positions
0sold out
$51.47avg. 13F price*

At the end of Q4 2025, 6 institutions reported holding Tourmaline Oil Corp. (TRMLF) in their 13F filings, up 4 from Q3 2025. 2 opened new positions and 0 sold out. The largest holders were Grace & White Inc. ($17.8M), Victory Capital Management Inc. ($17.0M) and Kahn Brothers Group Inc. ($1.2M).

Company
Tourmaline Oil Corp.
CUSIP
89156V106
Latest filing quarter
Q2 2026

History

Number of 13F holders

0246 Q1 2024: 2Q1 2024Q2 2024: 2Q2 2024Q3 2024: 1Q3 2024Q4 2024: 2Q4 2024Q1 2025: 2Q1 2025Q2 2025: 2Q2 2025Q3 2025: 2Q3 2025Q4 2025: 6Q4 2025Q1 2026: 5Q1 2026Q2 2026: 5Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions2$17.1M
Exits0$0

All 13F filers, Q3 2025 → Q4 2025: 279,955 shares bought and 7,900 shares sold, net +272,055 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 6 holders

Grace & White Inc. 3.22% Reduce -1.9% 397,443 $17.8M
Victory Capital Management Inc. 0.01% New 276,000 $17.0M
Kahn Brothers Group Inc. 0.21% Add +10.4% 26,959 $1.2M
Cygnus Capital Advisors, LLC 0.09% — 1,900 $117K
Wellington-Altus USA Inc. 0.07% — 1,894 $98K
PNC Financial Services Group, Inc. 0.00% New 1,405 $63K

"% of holder's portfolio" is TRMLF's weight in each manager's 13F, not the share of Tourmaline Oil Corp. the manager owns.