SOUTH BOW CORP SOBO
COM · Common Stock · CUSIP 83671M105
- SectorEnergy
- IndustryPipe Lines (No Natural Gas)
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($26.8m this quarter). Holder counts are more reliable. Shares outstanding: 208.3m as of 2025-12-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $27.98. Options: 8 managers hold calls ($24.9m notional), 6 hold puts ($8.0m).
Trends to Q3 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q4 2024 | 286 |
| Q1 2025 | 302 |
| Q2 2025 | 290 |
| Q3 2025 | 292 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q1 2025 | 151 | 127 |
| Q2 2025 | 94 | 149 |
| Q3 2025 | 121 | 103 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q4 2024 | $4.5m | $206.3m | 46.24 |
| Q1 2025 | $21.6m | $15.2m | 0.70 |
| Q2 2025 | $11.6m | $9.4m | 0.81 |
| Q3 2025 | $24.9m | $8.0m | 0.32 |
Biggest buyers
| Clearbridge Investments, LLC | Added | +7.0m |
| Brookfield Corp /ON/ | Added | +1.3m |
| MORGAN STANLEY | Added | +797.6k |
| AMERICAN CENTURY COMPANIES INC | Added | +790.1k |
| Qube Research & Technologies Ltd | Added | +650.6k |
| TWO SIGMA INVESTMENTS, LP | Added | +623.2k |
| DIMENSIONAL FUND ADVISORS LP | Added | +539.3k |
| Quadrature Capital Ltd | Added | +406.3k |
| THORNBURG INVESTMENT MANAGEMENT INC | Added | +341.3k |
| TWO SIGMA ADVISERS, LP | Added | +294.1k |
Biggest sellers
| ROYAL BANK OF CANADA | Reduced | -26.5m |
| GOLDMAN SACHS GROUP INC | Reduced | -4.4m |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -3.7m |
| BANK OF NOVA SCOTIA | Reduced | -2.1m |
| Blackstone Inc. | Reduced | -1.7m |
| Murchinson Ltd. | Sold out | -1.2m |
| JENNISON ASSOCIATES LLC | Sold out | -563.5k |
| CANADA PENSION PLAN INVESTMENT BOARD | Reduced | -365.0k |
| TORONTO DOMINION BANK | Reduced | -260.3k |
| PORTLAND INVESTMENT COUNSEL INC. | Reduced | -242.6k |
Biggest calls
| TORONTO DOMINION BANK | Added | $7.3m256.7k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $7.1m251.9k shares |
| SIG North Trading, ULC | Added | $5.6m199.6k shares |
| BANK OF MONTREAL /CAN/ | New | $2.5m125.0k shares |
| NATIONAL BANK OF CANADA /FI/ | Reduced | $1.5m535 shares |
| CITADEL ADVISORS LLC | Reduced | $512.0k18.1k shares |
| GROUP ONE TRADING LLC | Added | $229.1k8.1k shares |
| SIMPLEX TRADING, LLC | Added | $87.0k3.1k shares |
Biggest puts
| D. E. Shaw & Co., Inc. | Unchanged | $4.0m140.0k shares |
| SIG North Trading, ULC | Added | $1.6m57.3k shares |
| NATIONAL BANK OF CANADA /FI/ | Added | $1.5m532 shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $565.8k20.0k shares |
| TORONTO DOMINION BANK | Added | $265.9k9.4k shares |
| GROUP ONE TRADING LLC | Reduced | $36.8k1.3k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| FMR LLC 13G · institution +5.7 pts · filed 2026-07-08 | 10.5% |
Fell to 5% or below in the last year: Capital International Investors (2.2%, 2026-05-14)
Insider purchases and sales in Q3 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported in Q3 2025.
Holders, Q3 2025
| Manager | Shares | Change |
|---|---|---|
| ROYAL BANK OF CANADA 0.11% of their portfolio | 22.6m $639.0m | Reduced -26.5m |
| Capital International Investors 0.07% of their portfolio | 15.4m $435.4m | Reduced -7.2k |
| FMR LLC 0.02% of their portfolio | 13.7m $386.3m | Added +262.1k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.03% of their portfolio | 9.1m $258.4m | Reduced -3.7m |
| VANGUARD GROUP INC 0.00% of their portfolio | 8.5m $241.9m | Added +209.0k |
| Clearbridge Investments, LLC 0.15% of their portfolio | 7.1m $199.5m | Added +7.0m |
| BANK OF MONTREAL /CAN/ 0.05% of their portfolio | 6.2m $125.2m | Added +21.7k |
| CIBC WORLD MARKET INC. 0.19% of their portfolio | 3.2m $90.4m | Added +47.6k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 2.4m $66.5m | Added +111.3k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 2.3m $65.0m | Reduced -4.4m |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.10% of their portfolio | 2.2m $61.6m | Reduced -132.9k |
| Blackstone Inc. 0.26% of their portfolio | 2.2m $61.4m | Reduced -1.7m |
| Legal & General Group Plc 0.01% of their portfolio | 2.1m $58.1m | Reduced -99.5k |
| THORNBURG INVESTMENT MANAGEMENT INC 0.74% of their portfolio | 2.0m $56.5m | Added +341.3k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.10% of their portfolio | 1.9m $55.2m | Added +80.0k |
| SCOTIA CAPITAL INC. 0.21% of their portfolio | 1.8m $50.4m | Added +32.9k |
| TD Asset Management Inc 0.04% of their portfolio | 1.7m $48.0m | Added +229.8k |
| Recurrent Investment Advisors LLC 3.49% of their portfolio | 1.6m $45.6m | Added +1.1k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 1.5m $43.8m | Added +539.3k |
| MORGAN STANLEY 0.00% of their portfolio | 1.5m $43.8m | Added +797.6k |
| CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT 2.46% of their portfolio | 1.5m $43.3m | Added +4.4k |
| Invesco Ltd. 0.01% of their portfolio | 1.5m $42.6m | Reduced -51.9k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.03% of their portfolio | 1.4m $39.9m | Added +26.9k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.03% of their portfolio | 1.3m $37.8m | Reduced -365.0k |
| Boston Partners 0.04% of their portfolio | 1.3m $37.7m | Reduced -177.1k |
| Brookfield Corp /ON/ 0.04% of their portfolio | 1.3m $36.8m | Added +1.3m |
| TD Waterhouse Canada Inc. 0.23% of their portfolio | 1.2m $34.6m | Added +19.4k |
| Connor, Clark & Lunn Investment Management Ltd. 0.10% of their portfolio | 1.1m $31.6m | Added +127.7k |
| WESTWOOD HOLDINGS GROUP INC 0.21% of their portfolio | 1.0m $29.5m | Reduced -66.3k |
| AMERICAN CENTURY COMPANIES INC 0.01% of their portfolio | 959.0k $27.1m | Added +790.1k |
| TORTOISE CAPITAL ADVISORS, L.L.C. 0.34% of their portfolio | 942.8k $26.7m | Added +11.3k |
| INTACT INVESTMENT MANAGEMENT INC. 0.69% of their portfolio | 806.3k $22.8m | Added +5.9k |
| Qube Research & Technologies Ltd 0.03% of their portfolio | 784.6k $22.2m | Added +650.6k |
| BARCLAYS PLC 0.01% of their portfolio | 778.4k $22.0m | Reduced -92.4k |
| TWO SIGMA INVESTMENTS, LP 0.03% of their portfolio | 770.9k $21.8m | Added +623.2k |
| MILLER HOWARD INVESTMENTS INC /NY 0.66% of their portfolio | 763.0k $21.6m | Added +16.4k |
| PORTLAND INVESTMENT COUNSEL INC. 5.82% of their portfolio | 751.0k $21.3m | Reduced -242.6k |
| TORONTO DOMINION BANK 0.04% of their portfolio | 695.8k $19.7m | Reduced -260.3k |
| Pictet Asset Management Holding SA 0.02% of their portfolio | 598.9k $16.9m | Added +3.1k |
| NATIONAL BANK OF CANADA /FI/ 0.02% of their portfolio | 518.3k $14.4m | Reduced -77.6k |
| Quadrature Capital Ltd 0.16% of their portfolio | 467.0k $13.2m | Added +406.3k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 442.0k $12.5m | Added +20.3k |
| TWO SIGMA ADVISERS, LP 0.02% of their portfolio | 415.5k $11.8m | Added +294.1k |
| Swiss National Bank 0.01% of their portfolio | 407.1k $11.5m | Added +6.5k |
| Bornite Capital Management LP 1.05% of their portfolio | 400.0k $11.3m | Unchanged |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 344.2k $9.7m | Added +281.6k |
| JANE STREET GROUP, LLC 0.01% of their portfolio | 313.6k $8.9m | Reduced -10.8k |
| CIBC Asset Management Inc 0.03% of their portfolio | 312.6k $8.8m | Added +8.9k |
| Federation des caisses Desjardins du Quebec 0.03% of their portfolio | 307.5k $8.6m | Added +26.5k |
| MACKENZIE FINANCIAL CORP 0.01% of their portfolio | 286.5k $8.1m | Reduced -203.1k |
| Ninepoint Partners LP 1.08% of their portfolio | 275.6k $7.8m | Reduced -24.4k |
| FIL Ltd 0.01% of their portfolio | 270.6k $7.7m | Unchanged |
| Maryland State Retirement & Pension System 0.15% of their portfolio | 252.4k $7.1m | Reduced -1.2k |
| BANK OF NOVA SCOTIA 0.01% of their portfolio | 251.0k $7.1m | Reduced -2.1m |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 239.2k $6.8m | Added +75.3k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 238.0k $6.7m | Added +198.8k |
| EXCHANGE TRADED CONCEPTS, LLC 0.06% of their portfolio | 209.5k $5.9m | Reduced -12.5k |
| Heathbridge Capital Management Ltd. 2.23% of their portfolio | 205.8k $5.8m | Reduced -1.8k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 204.6k $5.8m | Added +32.1k |
| Catalyst Capital Advisors LLC 0.12% of their portfolio | 204.0k $5.8m | Reduced -20.6k |
| BlackRock, Inc. 0.00% of their portfolio | 187.2k $5.3m | Added +27.2k |
| Alberta Investment Management Corp 0.04% of their portfolio | 182.0k $5.1m | Added +33.7k |
| Trexquant Investment LP 0.05% of their portfolio | 157.6k $4.5m | Added +84.8k |
| Nuveen, LLC 0.00% of their portfolio | 155.6k $4.4m | Unchanged |
| CAPITAL INTERNATIONAL SARL 0.07% of their portfolio | 146.1k $4.1m | Added +25.8k |
| VAN ECK ASSOCIATES CORP 0.00% of their portfolio | 131.4k $3.7m | Reduced -50.1k |
| TCW GROUP INC 0.03% of their portfolio | 123.7k $3.5m | Added +11.1k |
| Moors & Cabot, Inc. 0.15% of their portfolio | 122.5k $3.5m | Added +2.0k |
| BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp 0.02% of their portfolio | 121.3k $3.4m | Reduced -5.0k |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 121.0k $3.4m | Added +27.7k |
| UBS Group AG 0.00% of their portfolio | 118.0k $3.3m | Reduced -77.9k |
| Capital Group Private Client Services, Inc. 0.06% of their portfolio | 117.3k $3.3m | Reduced -106.4k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 114.3k $3.2m | Added +1.8k |
| Triasima Portfolio Management inc. 0.48% of their portfolio | 112.6k $3.2m | Reduced -4.3k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 109.6k $3.1m | Reduced -24.9k |
| Ausbil Investment Management Ltd 1.59% of their portfolio | 106.5k $3.0m | Reduced -20.9k |
| NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio | 103.6k $2.9m | Added +749 |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 100.4k $2.8m | Added +338 |
| 1832 Asset Management L.P. 0.00% of their portfolio | 98.2k $2.8m | Added +3.8k |
| Quantbot Technologies LP 0.07% of their portfolio | 97.2k $2.7m | Reduced -32.4k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.01% of their portfolio | 80.6k $2.3m | Reduced -74.9k |
| COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio | 71.0k $2.0m | Added +2.2k |
| HighTower Advisors, LLC 0.00% of their portfolio | 67.9k $1.9m | Added +5.1k |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.01% of their portfolio | 61.4k $1.7m | Added +161 |
| Vident Advisory, LLC 0.02% of their portfolio | 58.3k $1.6m | Reduced -10.8k |
| CAPITAL INTERNATIONAL LTD /CA/ 0.06% of their portfolio | 55.4k $1.6m | Added +3.4k |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 55.0k $1.6m | Reduced -2.8k |
| XTX Topco Ltd 0.08% of their portfolio | 52.8k $1.5m | Reduced -29.7k |
| Greenline Partners, LLC 0.17% of their portfolio | 50.1k $1.4m | Reduced -2.1k |
| Heronetta Management, L.P. 0.99% of their portfolio | 46.5k $1.8m | Unchanged |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 44.5k $1.3m | Added +2.1k |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio | 39.8k $1.1m | Reduced -4.6k |
| OPPENHEIMER & CO INC 0.01% of their portfolio | 39.6k $1.1m | Added +6.7k |
| Schonfeld Strategic Advisors LLC 0.01% of their portfolio | 38.4k $1.1m | Added +18.8k |
| LPL Financial LLC 0.00% of their portfolio | 37.9k $1.1m | Added +6.5k |
| CAPSTONE INVESTMENT ADVISORS, LLC 0.01% of their portfolio | 37.1k $1.1m | New |
| Capital International, Inc./CA/ 0.01% of their portfolio | 36.7k $1.0m | Added +3.0k |
| Steadtrust LLC 0.66% of their portfolio | 34.5k $975.7k | Reduced -200 |
| CenterBook Partners LP 0.05% of their portfolio | 32.3k $914.0k | Reduced -12.6k |
| ALPS ADVISORS INC 0.00% of their portfolio | 31.6k $893.8k | Added +15.5k |