333 institutions reported holding $4.65B of SOUTH BOW CORP (SOBO) in SEC 13F filings for 2026-06-30. Largest institutional holders: FMR LLC ($771.3M), Royal Bank of Canada ($513.4M), VANGUARD GROUP INC ($339.5M), Clearbridge Investments, LLC ($312.1M), BANK OF MONTREAL /CAN/ ($196.0M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30