Equibles

SOBO

South Bow Corp

Company with tickers: SOBO

CIK
2019061
CUSIP
83671M105
Shares Outstanding
208,584,627
13F Activity (30d)
213 filings 210 filers
Holders: 299
Total Value: $4,443,175,494
Total Shares: 133,348,610
Showing 1–100 of 313 holdings by value · page 1 of 4

Institutional Ownership Trend

6 quarters

Holder Concentration

Across 299 13F filers · Δ vs Dec 31, 2025
Top Holder
12.5%
Dec 2024 → Mar 2026 · range 12.4% – 16.3%
−0.3 pts
Top 5
38.9%
Dec 2024 → Mar 2026 · range 38.9% – 49.5%
−5.9 pts
Top 10
55.8%
Dec 2024 → Mar 2026 · range 55.8% – 66.6%
−5.5 pts
HHI
440
Dec 2024 → Mar 2026 · range 440 – 641
Broadly held −102

Quarterly Activity

vs Dec 31, 2025
New
53
Increased
86
Decreased
79
Sold Out
36
Unchanged
81
Holder count: +17
Institutional value: +24.7%
Shares held: +2.8%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega Clearbridge Investments, LLC +1,406,992 8,669,957
Large Connor, Clark & Lunn Investment Management Ltd. +1,181,124 2,793,557
Mid THORNBURG INVESTMENT MANAGEMENT INC +803,000 3,632,875
Mega JPMORGAN CHASE & CO +712,498 770,105
Mid Alberta Investment Management Corp +665,323 742,851

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega Capital International Investors −11,169,486 4,313,599
Mega PRICE T ROWE ASSOCIATES INC /MD/ −1,218,922 5,237,110
Large BROOKFIELD Corp /ON/ −694,951 517,205
Mid CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT −625,000 865,500
Mega AMERICAN CENTURY COMPANIES INC −620,238 909,742

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega Capital Research Global Investors 10,278,370 $342,475,288
Mega VANGUARD CAPITAL MANAGEMENT LLC 5,967,999 $198,853,726
Mega VANGUARD FIDUCIARY TRUST CO 1,822,277 $60,718,269
Mega Vanguard Global Advisers, LLC 1,270,525 $42,333,893
Large PEAK6 LLC 200,000 $6,664,000

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 8,667,365 $238,092,514
Mega NORGES BANK 893,176 $24,535,544
Large Qube Research & Technologies Ltd 532,722 $14,633,873
Large OMERS ADMINISTRATION Corp 330,000 $9,065,100
Large TWO SIGMA ADVISERS, LP 253,100 $6,952,657
Filter: New 53 Increased 86 Reduced 79 Sold out 36 Unchanged 81
Showing 100 of 313
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega ROYAL BANK OF CANADA Bank $546,560,718 12.30% 16,403,383
Mega Capital Research Global Investors $342,475,288 7.71% 10,278,370
Mega FMR LLC $322,257,677 7.25% 9,671,599
Mega Clearbridge Investments, LLC $288,882,965 6.50% 8,669,957
Mega BANK OF MONTREAL /CAN/ Bank $219,670,393 4.94% 6,592,749
Mega VANGUARD CAPITAL MANAGEMENT LLC $198,853,726 4.48% 5,967,999
Mega PRICE T ROWE ASSOCIATES INC /MD/ $174,500,505 3.93% 5,237,110
Mega Capital International Investors $143,729,118 3.23% 4,313,599
Mid THORNBURG INVESTMENT MANAGEMENT INC $121,047,395 2.72% 3,632,875
Large CIBC WORLD MARKET INC. $114,596,143 2.58% 3,439,260
Mega DIMENSIONAL FUND ADVISORS LP $97,114,935 2.19% 2,914,614
Large Connor, Clark & Lunn Investment Management Ltd. $93,081,319 2.09% 2,793,557
Mega TD Asset Management Inc $79,139,231 1.78% 2,375,127
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $76,602,680 1.72% 2,299,000
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $74,450,374 1.68% 2,234,405
Mega BANK OF AMERICA CORP /DE/ Bank $66,432,348 1.50% 1,993,768
Large TD Waterhouse Canada Inc. $64,330,557 1.45% 1,930,689
Mega VANGUARD FIDUCIARY TRUST CO Bank $60,718,269 1.37% 1,822,277
Large SCOTIA CAPITAL INC. $59,604,748 1.34% 1,788,858
Mega Legal & General Group Plc $58,682,683 1.32% 1,761,185
Small Murchinson Ltd. $57,480,332 1.29% 1,725,100
Mega Invesco Ltd. $50,734,995 1.14% 1,522,659
Mega GOLDMAN SACHS GROUP INC $46,978,499 1.06% 1,409,919
Mega TWO SIGMA INVESTMENTS, LP $46,294,408 1.04% 1,389,388
Mega MORGAN STANLEY $44,475,364 1.00% 1,334,795
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $43,065,600 0.97% 1,292,485
Mega Vanguard Global Advisers, LLC $42,333,893 0.95% 1,270,525
Large Boston Partners $41,281,446 0.93% 1,238,939
Large WESTWOOD HOLDINGS GROUP INC $39,715,274 0.89% 1,191,935
Mid Recurrent Investment Advisors LLC $38,685,053 0.87% 1,161,016
Large TORONTO DOMINION BANK Bank $37,153,799 0.84% 1,115,060
Mid INTACT INVESTMENT MANAGEMENT INC. $35,514,455 0.80% 1,065,860
Small PORTLAND INVESTMENT COUNSEL INC. $32,322,432 0.73% 970,061
Mid TORTOISE CAPITAL ADVISORS, L.L.C. $31,989,998 0.72% 960,084
Mega BARCLAYS PLC $31,188,551 0.70% 936,031
Mega AMERICAN CENTURY COMPANIES INC $30,312,603 0.68% 909,742
Mega GEODE CAPITAL MANAGEMENT, LLC $29,292,444 0.66% 879,125
Mid CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT $28,838,460 0.65% 865,500
Mega JPMORGAN CHASE & CO $25,659,896 0.58% 770,105
Mid Alberta Investment Management Corp $24,751,795 0.56% 742,851
Large Blackstone Inc. $23,229,904 0.52% 697,176
Mid MILLER HOWARD INVESTMENTS INC /NY $17,585,929 0.40% 527,789
Large BROOKFIELD Corp /ON/ $17,233,270 0.39% 517,205
Large MACKENZIE FINANCIAL CORP $16,535,883 0.37% 496,275
Large NATIONAL BANK OF CANADA /FI/ Bank $16,376,778 0.37% 491,500
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $16,139,541 0.36% 484,380
Mega D. E. Shaw & Co., Inc. $14,753,229 0.33% 442,774
Mega Swiss National Bank Bank $13,738,502 0.31% 412,320
Mega CITADEL ADVISORS LLC $13,412,132 0.30% 402,525
Large CIBC Asset Management Inc $11,332,231 0.26% 340,103
Small Heathbridge Capital Management Ltd. $11,235,504 0.25% 337,200
Large Federation des caisses Desjardins du Quebec $10,235,269 0.23% 307,181
Mega FIL Ltd $9,783,651 0.22% 293,627
Mid Maryland State Retirement & Pension System Pension $8,506,396 0.19% 255,294
Large Man Group plc $7,892,575 0.18% 236,872
Mid SIG North Trading, ULC $7,830,200 0.18% 235,000
Large BANK OF NOVA SCOTIA Bank $7,425,761 0.17% 222,862
Mega MILLENNIUM MANAGEMENT LLC $7,409,468 0.17% 222,373
Mid EXCHANGE TRADED CONCEPTS, LLC $7,158,202 0.16% 214,832
Mega BlackRock, Inc. $6,669,662 0.15% 200,170
Large PEAK6 LLC $6,664,000 0.15% 200,000
Mid Purpose Unlimited Inc. $6,523,855 0.15% 195,794
Mega JANE STREET GROUP, LLC $6,004,264 0.14% 180,200
Large BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp $5,932,359 0.13% 178,042
Mega VAN ECK ASSOCIATES CORP $5,926,727 0.13% 177,873
Mega UBS Group AG $5,655,002 0.13% 169,718
Mega FRANKLIN RESOURCES INC $5,581,498 0.13% 167,512
Small VIEWPOINT INVESTMENT PARTNERS CORP $5,315,139 0.12% 159,518
Mega VANGUARD ASSET MANAGEMENT, Ltd $5,255,063 0.12% 157,715
Large Vanguard Investments Australia, Ltd. $5,215,013 0.12% 156,513
Mega JANE STREET GROUP, LLC $5,208,182 0.12% 156,308
Mega Nuveen, LLC $5,185,325 0.12% 155,622
Mega ROYAL BANK OF CANADA Bank $4,998,000 0.11% 150,000
Mid SIG North Trading, ULC $4,571,770 0.10% 137,208
Mid BCV Asset Management Inc. $4,453,951 0.10% 133,672
Mid Twin Tree Management, LP $4,391,576 0.10% 131,800
Mid Moors & Cabot, Inc. $4,232,506 0.10% 127,026
Mid CAPITAL INTERNATIONAL SARL $4,185,924 0.09% 125,628
Large TCW GROUP INC $4,168,332 0.09% 125,100
Small Catalyst Capital Advisors LLC $4,054,344 0.09% 121,679
Mid Quadrature Capital Ltd $3,988,404 0.09% 119,700
Large 1832 Asset Management L.P. $3,844,161 0.09% 115,371
Small Triasima Portfolio Management inc. $3,780,487 0.09% 113,460
Large TORONTO DOMINION BANK Bank $3,651,872 0.08% 109,600
Mega Capital World Investors $3,650,705 0.08% 109,565
Mid Quantbot Technologies LP $3,612,154 0.08% 108,408
Small Ausbil Investment Management Ltd $3,548,013 0.08% 106,483
Mega DEUTSCHE BANK AG\ Bank $3,424,562 0.08% 102,778
Mega NORTHERN TRUST CORP Bank $3,177,027 0.07% 95,349
Large &PARTNERS $2,889,110 0.07% 86,708
Mega ENVESTNET ASSET MANAGEMENT INC $2,777,855 0.06% 83,369
Large Russell Investments Group, Ltd. $2,762,058 0.06% 82,895
Large HRT FINANCIAL LP $2,744,968 0.06% 82,382
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC $2,689,790 0.06% 80,726
Mega D. E. Shaw & Co., Inc. $2,665,600 0.06% 80,000
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $2,662,268 0.06% 79,900
Large COMMONWEALTH EQUITY SERVICES, LLC $2,379,614 0.05% 71,417
Large Vident Advisory, LLC $2,346,127 0.05% 70,412
Mid Magnetar Financial LLC $2,342,729 0.05% 70,310
Large HighTower Advisors, LLC $2,312,807 0.05% 69,412
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