Who owns South Bow Corporation?
Institutional ownership of SOBO from SEC Form 13F filings across 207 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
207
13F holders
$3.85B
value, 2026 filers
54.6%
of shares outstanding (113.8M sh)
24
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of SOBO's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 21.9M | $771.3M | 0.0% | 10.5% | +126.4% |
| 2 | ROYAL BANK OF CANADA | 14.6M | $513.4M | 0.1% | 7% | -11.2% |
| 3 | Clearbridge Investments, LLC | 8.9M | $312.1M | 0.3% | 4.2% | +2.1% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 6.0M | $213.1M | 0.0% | 2.9% | -49.3% |
| 5 | BANK OF MONTREAL /CAN/ | 5.6M | $195.5M | 0.1% | 2.7% | -15.7% |
| 6 | PRICE T ROWE ASSOCIATES INC /MD/ | 5.2M | $184,820 | 0.0% | 2.5% | +0.1% |
| 7 | CIBC WORLD MARKET INC. | 3.4M | $119.8M | 0.2% | 1.6% | -1.0% |
| 8 | Connor, Clark & Lunn Investment Management Ltd. | 2.8M | $97.8M | 0.2% | 1.3% | -0.5% |
| 9 | BANK OF AMERICA CORP /DE/ | 2.8M | $97.2M | 0.0% | 1.3% | +38.3% |
| 10 | MACKENZIE FINANCIAL CORP | 2.5M | $126.7M | 0.1% | 1.2% | +410.9% |
| 11 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.2M | $76.0M | 0.1% | 1% | -3.4% |
| 12 | AMERICAN CENTURY COMPANIES INC | 2.1M | $75.1M | 0.0% | 1% | +134.4% |
| 13 | TD Waterhouse Canada Inc. | 1.9M | $67.1M | 0.2% | 0.9% | +0.8% |
| 14 | VANGUARD FIDUCIARY TRUST CO | 1.8M | $65.0M | 0.0% | 0.9% | +1.2% |
| 15 | Legal & General Group Plc | 1.8M | $62.8M | 0.0% | 0.9% | +1.3% |
| 16 | GOLDMAN SACHS GROUP INC | 1.8M | $62.8M | 0.0% | 0.9% | +26.4% |
| 17 | SCOTIA CAPITAL INC. | 1.8M | $61.7M | 0.2% | 0.8% | -2.0% |
| 18 | TD Asset Management Inc | 1.6M | $58.0M | 0.1% | 0.8% | -30.6% |
| 19 | MORGAN STANLEY | 1.6M | $57.3M | 0.0% | 0.8% | +21.8% |
| 20 | Vanguard Global Advisers, LLC | 1.4M | $49.5M | 0.0% | 0.7% | +10.6% |
| 21 | Invesco Ltd. | 1.3M | $45.4M | 0.0% | 0.6% | -15.3% |
| 22 | TWO SIGMA INVESTMENTS, LP | 1.2M | $43.1M | 0.0% | 0.6% | -12.0% |
| 23 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 1.2M | $41.2M | 0.0% | 0.6% | -9.4% |
| 24 | BARCLAYS PLC | 1.1M | $39.8M | 0.0% | 0.5% | +20.7% |
| 25 | D. E. Shaw & Co., Inc. | 1.1M | $39.7M | 0.0% | 0.5% | +154.5% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.