SEC 13F Intelligence

TRMLFTourmaline Oil Corp

CUSIP 89156V106 · Yahoo Finance ↗ · Google Finance ↗

Tourmaline Oil Corp (TRMLF) has 4 institutional holders in Filings Flow’s 13F database, together reporting 426.0K shares worth $20M as of Q1 2026. The largest reported holders are Grace & White Inc /Ny, Victory Capital Management Inc, and Kahn Brothers Group Inc.

Institutional Holders
4
Q1 2026
Reported Value
$20M
Ticker
TRMLF
Quarters Tracked
24

Ownership Trend

Institutional holders
Q4 ’18: 4Q4 ’18Q1 ’19: 5Q2 ’19: 4Q3 ’19: 4Q3 ’19Q2 ’21: 3Q3 ’21: 2Q4 ’21: 2Q4 ’21Q1 ’22: 2Q2 ’22: 5Q3 ’22: 4Q3 ’22Q4 ’22: 4Q1 ’23: 3Q2 ’23: 2Q2 ’23Q3 ’23: 2Q4 ’23: 4Q1 ’24: 2Q1 ’24Q2 ’24: 2Q3 ’24: 1Q4 ’24: 2Q4 ’24Q1 ’25: 2Q2 ’25: 2Q3 ’25: 2Q3 ’25Q4 ’25: 4Q1 ’26: 4filingsflow.com
Total reported value
Q4 ’18: $4MQ4 ’18Q1 ’19: $9MQ2 ’19: $7MQ3 ’19: $6MQ3 ’19Q2 ’21: $14MQ3 ’21: $16MQ4 ’21: $15MQ4 ’21Q1 ’22: $20MQ2 ’22: $27MQ3 ’22: $26MQ3 ’22Q4 ’22: $25MQ1 ’23: $198MQ2 ’23: $20MQ2 ’23Q3 ’23: $21MQ4 ’23: $278MQ1 ’24: $19MQ1 ’24Q2 ’24: $19MQ3 ’24: $19MQ4 ’24: $20MQ4 ’24Q1 ’25: $20MQ2 ’25: $21MQ3 ’25: $19MQ3 ’25Q4 ’25: $36MQ1 ’26: $20Mfilingsflow.com

Holders

Mixed quarters
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Manager% of PortfolioValueSharesQuarter
GRACE & WHITE INC /NY$566M AUM3.35%$19M397.4KQ1 2026
KAHN BROTHERS GROUP INC$564M AUM0.23%$1M27.0KQ1 2026
VICTORY CAPITAL MANAGEMENT INC$156.1B AUM0.01%$17M276.0KQ4 2025OLDER
Ascentis Independent Advisors$1.3B AUM0.00%$2,24947Q1 2026
PNC FINANCIAL SERVICES GROUP, INC.$173.2B AUM0.00%$75,6661.6KQ1 2026

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.