TOURMALINE OIL CORP COM (89156V106) Institutional Ownership and Insiders Activity

TOURMALINE OIL CORP COM (89156V106) is widely held by institutional investors, with 4 firms reporting positions valued at approximately $19.17M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Grace & White Inc is the largest disclosed holder, reporting approximately $16.56M in 89156V106 holdings in its latest filing.

Institutional ownership remains highly concentrated, with Grace & White Inc representing the majority of disclosed value.