Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in SOBO held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | ROYAL BANK OF CANADA | 16.6M | $553.5M | +0.1% | 7.965% | 0.10% |
| 2 | Capital Research Global Investors | 10.3M | $341.9M | — | 4.928% | 0.05% |
| 3 | FMR LLC | 9.7M | $321.8M | -4.1% | 4.637% | 0.02% |
Filings activity in SOBO during Q1 2026, grouped by how each filer changed its position.
6 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 290 | +5.5% | 52.07% | +10.22 pp | $4.15B | +24% |
| Q4 2025 | 275 | 2.1% | 41.85% | 3.86 pp | $3.33B | 8.5% |
| Q3 2025 | 281 | +1.1% | 45.71% | +1.70 pp | $3.64B | +3.9% |
| Q2 2025 | 278 | 3.5% | 44.01% | 4.15 pp | $3.50B | 8.6% |
| Q1 2025 | 288 | +5.1% | 48.16% | +8.84 pp | $3.83B | +22% |
| Q4 2024 | 274 |
Quick answers to the most common questions about buying SOBO stock.
Based on Q1 2026 13F filings, institutional ownership of South Bow Corporation stands at 52.1%, held across 290 reporting institutions.
ROYAL BANK OF CANADA is the largest reported institutional holder of SOBO, with approximately 16,611,383 shares worth $0.55B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of SOBO, including TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for SOBO is 61 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
| 4 | Clearbridge Investments, LLC | 8.7M | $288.9M | +19.4% | 4.157% | 0.25% |
| 5 | BANK OF MONTREAL /CAN/ | 6.6M | $221.0M | +6.4% | 3.185% | 0.08% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 6.0M | $198.5M | — | 2.862% | 0.00% |
| 7 | Capital International Investors | 4.3M | $143.5M | -72.1% | 2.068% | 0.03% |
| 8 | THORNBURG INVESTMENT MANAGEMENT INC | 3.6M | $120.7M | +28.4% | 1.742% | 1.25% |
| 9 | CIBC World Markets Inc. | 3.4M | $114.4M | -3.7% | 1.649% | 0.19% |
| 10 | DIMENSIONAL FUND ADVISORS LP | 2.9M | $97.1M | +24.1% | 1.397% | 0.02% |
| 11 | Connor, Clark & Lunn Investment Management Ltd. | 2.8M | $92.8M | +73.3% | 1.340% | 0.21% |
| 12 | TD ASSET MANAGEMENT INC | 2.4M | $78.8M | +15.5% | 1.139% | 0.06% |
| 13 | CANADA PENSION PLAN INVESTMENT BOARD | 2.3M | $76.5M | +39.3% | 1.102% | 0.05% |
| 14 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.2M | $74.5M | -6.6% | 1.071% | 0.10% |
| 15 | BANK OF AMERICA CORP /DE/ | 2.0M | $66.4M | +23.3% | 0.956% | 0.00% |
| 16 | TD Waterhouse Canada Inc. | 1.9M | $61.9M | +44.5% | 0.926% | 0.18% |
| 17 | VANGUARD FIDUCIARY TRUST CO | 1.8M | $60.6M | — | 0.874% | 0.02% |
| 18 | SCOTIA CAPITAL INC. | 1.8M | $59.3M | -12.9% | 0.858% | 0.24% |
| 19 | Legal & General Group Plc | 1.8M | $58.4M | -5.1% | 0.844% | 0.01% |
| 20 | Murchinson Ltd. | 1.7M | $57.5M | — | 0.827% | 16.30% |
| 21 | Invesco Ltd. | 1.5M | $50.7M | -0.0% | 0.730% | 0.01% |
| 22 | GOLDMAN SACHS GROUP INC | 1.4M | $47.0M | +34.3% | 0.676% | 0.01% |
| 23 | TWO SIGMA INVESTMENTS, LP | 1.4M | $46.3M | +81.4% | 0.666% | 0.04% |
| 24 | MORGAN STANLEY | 1.3M | $44.5M | -11.7% | 0.640% | 0.00% |
| 25 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 1.3M | $43.0M | -5.9% | 0.620% | 0.04% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in SOBO — a direct measure of their conviction.
| 39.32% |
| — |
| $3.13B |
| — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
55 institutions opened new positions in SOBO during Q1 2026, while 40 fully exited. 195 added to existing positions and 34 trimmed.
SOBO institutional ownership rose by 10.22 percentage points quarter-over-quarter, with a net change of +15 holders.
The top 10 institutions account for 57.9% of all reported 13F value in SOBO, and the top 25 account for 80.1%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
South Bow Corporation (SOBO) Institutional Ownership