Tourmaline Oil Corp
TRMLF- Exchange
- OTC
- SEC CIK
- 0002071881
No open-market purchases or sales by Tourmaline Oil Corp insiders were filed in the last 90 days; 5 institutions reported holding it in 13F filings for Q2 2026, worth $19.3M in total; no superinvestor holds it.
Other share classesTRMOY
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, 0 vs. previous quarter
- 5
- 13F valueReported value at the end of Q2 2026
- $19.3M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding TRMLF, Q2 2026
No superinvestor reported holding TRMLF at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Tourmaline Oil Corp insiders from Form 4, newest first.
No open-market purchases or sales by Tourmaline Oil Corp insiders are on file.
Top 10 13F holders, Q2 2026
The largest institutional positions in Tourmaline Oil Corp at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Grace & White Inc | 396,668 | $16.6M | 2.62% | −775−0.2% | Reduced |
| Confluence Investment Management LLC | 33,988 | $1.42M | 0.02% | +33,988 | New |
| Kahn Brothers Group Inc | 26,959 | $1.13M | 0.18% | 00.0% | Unchanged |
| Wellington-Altus USA Inc. | 1,894 | $105.1K | 0.07% | +1,000+111.9% | Added |
| The PNC Financial Services Group, Inc. | 1,593 | $66.6K | 0.00% | +7+0.4% | Added |