South Bow SOBO Institutional Ownership

Updated Oct 11, 2026

South Bow Corp (NYSE:SOBO) had 305 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

• Together they owned 62.03% of the outstanding stock in Q2 2026, down from 63.51% a quarter earlier.
• Total shares held in South Bow fell 2.32% versus Q1 2026, while the number of holders rose 7.02% versus Q2 2025.
• Of these 305 holders, 126 added to their positions, 92 reduced their stakes and 87 left their positions unchanged.
• In total, institutional investors held 129.16Mn shares of South Bow at the end of Q2 2026, down 3.06Mn from the prior quarter and down 20.34Mn from a year earlier.
• FMR LLC was the top holder of South Bow as of June 30, 2026, with 21.89Mn shares, or 10.52% of shares outstanding.
• Among holders that already owned South Bow, the biggest buyers in Q2 2026 were FMR LLC (+12.22Mn shares), Mackenzie Financial Corp (+2.04Mn shares), American Century Companies Inc (+1.22Mn shares), Bank of America Corp (+763.79K shares) and D. E. Shaw & Co., Inc. (+684.23K shares).
• The largest position reductions in SOBO for Q2 2026 were by Capital International Investors (-3.46Mn shares), Canada Pension Plan Investment Board (-2.14Mn shares), Royal Bank of Canada (-1.84Mn shares), Bank of Montreal (-1.04Mn shares) and TD Asset Management Inc (-726.85K shares).
• Per Business Quant, the top 10 investors in SOBO for the quarter ended June 30, 2026 were FMR LLC (21.89Mn shares), Royal Bank of Canada (14.57Mn shares), Clearbridge Investments, LLC (8.86Mn shares), Vanguard Capital Management LLC (6.05Mn shares), Bank of Montreal (5.55Mn shares), T. Rowe Price Associates Inc (5.24Mn shares), Thornburg Investment Management Inc (3.72Mn shares), CIBC World Market Inc. (3.4Mn shares), Dimensional Fund Advisors LP (3.04Mn shares) and Connor, Clark & Lunn Investment Management Ltd. (2.78Mn shares).