Vault-13

SOUTH BOW CORP SOBO

COM · Common Stock · CUSIP 83671M105

292 institutional holders +2 vs Q2 2025
138,720,514138.7m shares reported held*
66.6% of all shares outstanding*
$3.9bnreported value*
28 new 93 added 78 reduced 25 sold out net sold ≈ $794.3m (-28.1m shares)

* 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

0200400Q4 24: 286Q1 25: 302Q2 25: 290Q3 25: 292292Q4 24Q1 25Q2 25Q3 25
Numbers
QuarterHolders
Q4 2024286
Q1 2025302
Q2 2025290
Q3 2025292

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q1 25: 151 bought or addedQ1 25: 127 cut or sold outQ1 25Q2 25: 94 bought or addedQ2 25: 149 cut or sold outQ2 25Q3 25: 121 bought or addedQ3 25: 103 cut or sold outQ3 25
Numbers
QuarterBought or addedCut or sold out
Q1 2025151127
Q2 202594149
Q3 2025121103

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$100m$200m$300mQ4 24 calls: $4.5mQ4 24 puts: $206.3mQ4 24P/C 46.24Q1 25 calls: $21.6mQ1 25 puts: $15.2mQ1 25P/C 0.70Q2 25 calls: $11.6mQ2 25 puts: $9.4mQ2 25P/C 0.81Q3 25 calls: $24.9mQ3 25 puts: $8.0mQ3 25P/C 0.32
Numbers
QuarterCallsPutsP/C
Q4 2024$4.5m$206.3m46.24
Q1 2025$21.6m$15.2m0.70
Q2 2025$11.6m$9.4m0.81
Q3 2025$24.9m$8.0m0.32

Biggest buyers

Clearbridge Investments, LLC Added +7,042,585+7.0m
Brookfield Corp /ON/ Added +1,300,120+1.3m
MORGAN STANLEY Added +797,582+797.6k
AMERICAN CENTURY COMPANIES INC Added +790,111+790.1k
Qube Research & Technologies Ltd Added +650,648+650.6k
TWO SIGMA INVESTMENTS, LP Added +623,189+623.2k
DIMENSIONAL FUND ADVISORS LP Added +539,281+539.3k
Quadrature Capital Ltd Added +406,302+406.3k
THORNBURG INVESTMENT MANAGEMENT INC Added +341,281+341.3k
TWO SIGMA ADVISERS, LP Added +294,100+294.1k

Biggest sellers

ROYAL BANK OF CANADA Reduced -26,466,491-26.5m
GOLDMAN SACHS GROUP INC Reduced -4,435,845-4.4m
PRICE T ROWE ASSOCIATES INC /MD/ Reduced -3,683,898-3.7m
BANK OF NOVA SCOTIA Reduced -2,097,512-2.1m
Blackstone Inc. Reduced -1,739,161-1.7m
Murchinson Ltd. Sold out -1,231,600-1.2m
JENNISON ASSOCIATES LLC Sold out -563,522-563.5k
CANADA PENSION PLAN INVESTMENT BOARD Reduced -365,000-365.0k
TORONTO DOMINION BANK Reduced -260,286-260.3k
PORTLAND INVESTMENT COUNSEL INC. Reduced -242,600-242.6k

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.

HolderStakeChangeShares Last filed
FMR LLC 13G · institution +5.7 pts · filed 2026-07-08 10.5% +5.7 pts 21.9m≈ $770.1m 2026-07-08

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

#ManagerLocationShares Value% of their portfolioChangeShares change
1 ROYAL BANK OF CANADA 0.11% of their portfolio TORONTO, A6 22,586,39922.6m $639.0m $639.0m 0.11% Reduced -26.5m -26,466,491
2 Capital International Investors 0.07% of their portfolio Los Angeles, CA 15,388,31315.4m $435.4m $435.4m 0.07% Reduced -7.2k -7,194
3 FMR LLC 0.02% of their portfolio BOSTON, MA 13,653,20513.7m $386.3m $386.3m 0.02% Added +262.1k +262,094
4 PRICE T ROWE ASSOCIATES INC /MD/ 0.03% of their portfolio BALTIMORE, MD 9,132,4029.1m $258.4m $258.4m 0.03% Reduced -3.7m -3,683,898
5 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 8,549,2188.5m $241.9m $241.9m 0.00% Added +209.0k +209,013
6 Clearbridge Investments, LLC 0.15% of their portfolio NEW YORK, NY 7,053,1017.1m $199.5m $199.5m 0.15% Added +7.0m +7,042,585
7 BANK OF MONTREAL /CAN/ 0.05% of their portfolio TORONTO, A6 6,158,3806.2m $125.2m $125.2m 0.05% Added +21.7k +21,722
8 CIBC WORLD MARKET INC. 0.19% of their portfolio TORONTO, A6 3,194,5783.2m $90.4m $90.4m 0.19% Added +47.6k +47,562
9 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 2,352,4052.4m $66.5m $66.5m 0.00% Added +111.3k +111,302
10 GOLDMAN SACHS GROUP INC 0.01% of their portfolio NEW YORK, NY 2,296,9082.3m $65.0m $65.0m 0.01% Reduced -4.4m -4,435,845
11 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.10% of their portfolio CAUSEWAY BAY, K3 2,178,6062.2m $61.6m $61.6m 0.10% Reduced -132.9k -132,881
12 Blackstone Inc. 0.26% of their portfolio NEW YORK, NY 2,170,4092.2m $61.4m $61.4m 0.26% Reduced -1.7m -1,739,161
13 Legal & General Group Plc 0.01% of their portfolio London, X0 2,053,5122.1m $58.1m $58.1m 0.01% Reduced -99.5k -99,541
14 THORNBURG INVESTMENT MANAGEMENT INC 0.74% of their portfolio SANTA FE, NM 1,997,3012.0m $56.5m $56.5m 0.74% Added +341.3k +341,281
15 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.10% of their portfolio TORONTO, A6 1,950,0001.9m $55.2m $55.2m 0.10% Added +80.0k +80,000
16 SCOTIA CAPITAL INC. 0.21% of their portfolio TORONTO, A6 1,797,2541.8m $50.4m $50.4m 0.21% Added +32.9k +32,927
17 TD Asset Management Inc 0.04% of their portfolio Toronto, A6 1,696,5271.7m $48.0m $48.0m 0.04% Added +229.8k +229,806
18 Recurrent Investment Advisors LLC 3.49% of their portfolio HOUSTON, TX 1,605,9641.6m $45.6m $45.6m 3.49% Added +1.1k +1,100
19 DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio AUSTIN, TX 1,549,1201.5m $43.8m $43.8m 0.01% Added +539.3k +539,281
20 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 1,549,0401.5m $43.8m $43.8m 0.00% Added +797.6k +797,582
21 CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT 2.46% of their portfolio DALLAS, TX 1,530,5001.5m $43.3m $43.3m 2.46% Added +4.4k +4,400
22 Invesco Ltd. 0.01% of their portfolio ATLANTA, GA 1,506,9391.5m $42.6m $42.6m 0.01% Reduced -51.9k -51,884
23 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.03% of their portfolio Toronto, A6 1,409,2701.4m $39.9m $39.9m 0.03% Added +26.9k +26,858
24 CANADA PENSION PLAN INVESTMENT BOARD 0.03% of their portfolio TORONTO ONTARIO, A6 1,335,0001.3m $37.8m $37.8m 0.03% Reduced -365.0k -365,000
25 Boston Partners 0.04% of their portfolio BOSTON, MA 1,330,3621.3m $37.7m $37.7m 0.04% Reduced -177.1k -177,137
26 Brookfield Corp /ON/ 0.04% of their portfolio TORONTO, A6 1,300,1581.3m $36.8m $36.8m 0.04% Added +1.3m +1,300,120
27 TD Waterhouse Canada Inc. 0.23% of their portfolio TORONTO, A6 1,242,2981.2m $34.6m $34.6m 0.23% Added +19.4k +19,401
28 Connor, Clark & Lunn Investment Management Ltd. 0.10% of their portfolio VANCOUVER, A1 1,118,6321.1m $31.6m $31.6m 0.10% Added +127.7k +127,691
29 WESTWOOD HOLDINGS GROUP INC 0.21% of their portfolio DALLAS, TX 1,043,0391.0m $29.5m $29.5m 0.21% Reduced -66.3k -66,307
30 AMERICAN CENTURY COMPANIES INC 0.01% of their portfolio KANSAS CITY, MO 959,031959.0k $27.1m $27.1m 0.01% Added +790.1k +790,111
31 TORTOISE CAPITAL ADVISORS, L.L.C. 0.34% of their portfolio OVERLAND PARK, KS 942,828942.8k $26.7m $26.7m 0.34% Added +11.3k +11,281
32 INTACT INVESTMENT MANAGEMENT INC. 0.69% of their portfolio MONTREAL, A8 806,260806.3k $22.8m $22.8m 0.69% Added +5.9k +5,900
33 Qube Research & Technologies Ltd 0.03% of their portfolio LONDON, X0 784,565784.6k $22.2m $22.2m 0.03% Added +650.6k +650,648
34 BARCLAYS PLC 0.01% of their portfolio LONDON, X0 778,426778.4k $22.0m $22.0m 0.01% Reduced -92.4k -92,432
35 TWO SIGMA INVESTMENTS, LP 0.03% of their portfolio NEW YORK, NY 770,910770.9k $21.8m $21.8m 0.03% Added +623.2k +623,189
36 MILLER HOWARD INVESTMENTS INC /NY 0.66% of their portfolio KINGSTON, NY 763,017763.0k $21.6m $21.6m 0.66% Added +16.4k +16,418
37 PORTLAND INVESTMENT COUNSEL INC. 5.82% of their portfolio BURLINGTON, A6 751,044751.0k $21.3m $21.3m 5.82% Reduced -242.6k -242,600
38 TORONTO DOMINION BANK 0.04% of their portfolio TORONTO, ONTARIO, A6 695,753695.8k $19.7m $19.7m 0.04% Reduced -260.3k -260,286
39 Pictet Asset Management Holding SA 0.02% of their portfolio CAROUGE, V8 598,869598.9k $16.9m $16.9m 0.02% Added +3.1k +3,117
40 NATIONAL BANK OF CANADA /FI/ 0.02% of their portfolio MONTREAL, A8 518,299518.3k $14.4m $14.4m 0.02% Reduced -77.6k -77,580
41 Quadrature Capital Ltd 0.16% of their portfolio LONDON, X0 467,000467.0k $13.2m $13.2m 0.16% Added +406.3k +406,302
42 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 441,987442.0k $12.5m $12.5m 0.00% Added +20.3k +20,301
43 TWO SIGMA ADVISERS, LP 0.02% of their portfolio NEW YORK, NY 415,500415.5k $11.8m $11.8m 0.02% Added +294.1k +294,100
44 Swiss National Bank 0.01% of their portfolio ZURICH, V8 407,120407.1k $11.5m $11.5m 0.01% Added +6.5k +6,500
45 Bornite Capital Management LP 1.05% of their portfolio NEW YORK, NY 400,000400.0k $11.3m $11.3m 1.05% Unchanged
46 D. E. Shaw & Co., Inc. 0.01% of their portfolio New York, NY 344,232344.2k $9.7m $9.7m 0.01% Added +281.6k +281,600
47 JANE STREET GROUP, LLC 0.01% of their portfolio NEW YORK, NY 313,567313.6k $8.9m $8.9m 0.01% Reduced -10.8k -10,825
48 CIBC Asset Management Inc 0.03% of their portfolio TORONTO, Z4 312,562312.6k $8.8m $8.8m 0.03% Added +8.9k +8,899
49 Federation des caisses Desjardins du Quebec 0.03% of their portfolio LEVIS, A8 307,460307.5k $8.6m $8.6m 0.03% Added +26.5k +26,500
50 MACKENZIE FINANCIAL CORP 0.01% of their portfolio TORONTO ONTARIO, A6 286,459286.5k $8.1m $8.1m 0.01% Reduced -203.1k -203,120
51 Ninepoint Partners LP 1.08% of their portfolio TORONTO, A6 275,600275.6k $7.8m $7.8m 1.08% Reduced -24.4k -24,400
52 FIL Ltd 0.01% of their portfolio HAMILTON, D0 270,627270.6k $7.7m $7.7m 0.01% Unchanged
53 Maryland State Retirement & Pension System 0.15% of their portfolio BALTIMORE, MD 252,414252.4k $7.1m $7.1m 0.15% Reduced -1.2k -1,154
54 BANK OF NOVA SCOTIA 0.01% of their portfolio TORONTO, A6 251,042251.0k $7.1m $7.1m 0.01% Reduced -2.1m -2,097,512
55 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 239,180239.2k $6.8m $6.8m 0.01% Added +75.3k +75,300
56 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 237,982238.0k $6.7m $6.7m 0.00% Added +198.8k +198,849
57 EXCHANGE TRADED CONCEPTS, LLC 0.06% of their portfolio Oklahoma City, OK 209,459209.5k $5.9m $5.9m 0.06% Reduced -12.5k -12,523
58 Heathbridge Capital Management Ltd. 2.23% of their portfolio TORONTO, A6 205,800205.8k $5.8m $5.8m 2.23% Reduced -1.8k -1,800
59 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 204,637204.6k $5.8m $5.8m 0.00% Added +32.1k +32,146
60 Catalyst Capital Advisors LLC 0.12% of their portfolio San Juan, PR 203,969204.0k $5.8m $5.8m 0.12% Reduced -20.6k -20,610
61 BlackRock, Inc. 0.00% of their portfolio New York, NY 187,236187.2k $5.3m $5.3m 0.00% Added +27.2k +27,199
62 Alberta Investment Management Corp 0.04% of their portfolio EDMONTON, A0 182,028182.0k $5.1m $5.1m 0.04% Added +33.7k +33,700
63 Trexquant Investment LP 0.05% of their portfolio STAMFORD, CT 157,641157.6k $4.5m $4.5m 0.05% Added +84.8k +84,784
64 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 155,622155.6k $4.4m $4.4m 0.00% Unchanged
65 CAPITAL INTERNATIONAL SARL 0.07% of their portfolio Los Angeles, CA 146,090146.1k $4.1m $4.1m 0.07% Added +25.8k +25,781
66 VAN ECK ASSOCIATES CORP 0.00% of their portfolio NEW YORK, NY 131,434131.4k $3.7m $3.7m 0.00% Reduced -50.1k -50,072
67 TCW GROUP INC 0.03% of their portfolio LOS ANGELES, CA 123,700123.7k $3.5m $3.5m 0.03% Added +11.1k +11,100
68 Moors & Cabot, Inc. 0.15% of their portfolio BOSTON, MA 122,451122.5k $3.5m $3.5m 0.15% Added +2.0k +2,025
69 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp 0.02% of their portfolio VICTORIA, A1 121,350121.3k $3.4m $3.4m 0.02% Reduced -5.0k -4,995
70 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 121,046121.0k $3.4m $3.4m 0.00% Added +27.7k +27,661
71 UBS Group AG 0.00% of their portfolio ZURICH, V8 117,980118.0k $3.3m $3.3m 0.00% Reduced -77.9k -77,878
72 Capital Group Private Client Services, Inc. 0.06% of their portfolio Los Angeles, CA 117,307117.3k $3.3m $3.3m 0.06% Reduced -106.4k -106,437
73 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 114,326114.3k $3.2m $3.2m 0.00% Added +1.8k +1,827
74 Triasima Portfolio Management inc. 0.48% of their portfolio MONTREAL, A8 112,585112.6k $3.2m $3.2m 0.48% Reduced -4.3k -4,300
75 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 109,556109.6k $3.1m $3.1m 0.00% Reduced -24.9k -24,895
76 Ausbil Investment Management Ltd 1.59% of their portfolio SYDNEY, C3 106,483106.5k $3.0m $3.0m 1.59% Reduced -20.9k -20,873
77 NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio NEW YORK, NY 103,628103.6k $2.9m $2.9m 0.00% Added +749 +749
78 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 100,417100.4k $2.8m $2.8m 0.00% Added +338 +338
79 1832 Asset Management L.P. 0.00% of their portfolio TORONTO, A6 98,22298.2k $2.8m $2.8m 0.00% Added +3.8k +3,844
80 Quantbot Technologies LP 0.07% of their portfolio NEW YORK, NY 97,16097.2k $2.7m $2.7m 0.07% Reduced -32.4k -32,391
81 VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.01% of their portfolio JUPITER, FL 80,60280.6k $2.3m $2.3m 0.01% Reduced -74.9k -74,885
82 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 71,03771.0k $2.0m $2.0m 0.00% Added +2.2k +2,216
83 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 67,86267.9k $1.9m $1.9m 0.00% Added +5.1k +5,081
84 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.01% of their portfolio COLUMBUS, OH 61,43461.4k $1.7m $1.7m 0.01% Added +161 +161
85 Vident Advisory, LLC 0.02% of their portfolio Alpharetta, GA 58,27658.3k $1.6m $1.6m 0.02% Reduced -10.8k -10,827
86 CAPITAL INTERNATIONAL LTD /CA/ 0.06% of their portfolio LOS ANGELES, CA 55,41755.4k $1.6m $1.6m 0.06% Added +3.4k +3,441
87 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 55,01955.0k $1.6m $1.6m 0.00% Reduced -2.8k -2,775
88 XTX Topco Ltd 0.08% of their portfolio LONDON, X0 52,75152.8k $1.5m $1.5m 0.08% Reduced -29.7k -29,674
89 Greenline Partners, LLC 0.17% of their portfolio NEW YORK, NY 50,08350.1k $1.4m $1.4m 0.17% Reduced -2.1k -2,123
90 Heronetta Management, L.P. 0.99% of their portfolio NEW YORK, NY 46,49746.5k $1.8m $1.8m 0.99% Unchanged
91 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 44,49744.5k $1.3m $1.3m 0.00% Added +2.1k +2,066
92 Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio ZURICH, V8 39,79039.8k $1.1m $1.1m 0.00% Reduced -4.6k -4,600
93 OPPENHEIMER & CO INC 0.01% of their portfolio NEW YORK, NY 39,59539.6k $1.1m $1.1m 0.01% Added +6.7k +6,737
94 Schonfeld Strategic Advisors LLC 0.01% of their portfolio NEW YORK, NY 38,43438.4k $1.1m $1.1m 0.01% Added +18.8k +18,793
95 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 37,88437.9k $1.1m $1.1m 0.00% Added +6.5k +6,484
96 CAPSTONE INVESTMENT ADVISORS, LLC 0.01% of their portfolio NEW YORK, NY 37,11637.1k $1.1m $1.1m 0.01% New
97 Capital International, Inc./CA/ 0.01% of their portfolio Los Angeles, CA 36,72636.7k $1.0m $1.0m 0.01% Added +3.0k +3,013
98 Steadtrust LLC 0.66% of their portfolio ALLEN, TX 34,49034.5k $975.7k $975.7k 0.66% Reduced -200 -200
99 CenterBook Partners LP 0.05% of their portfolio GREENWICH, CT 32,30832.3k $914.0k $914.0k 0.05% Reduced -12.6k -12,598
100 ALPS ADVISORS INC 0.00% of their portfolio Denver, CO 31,59331.6k $893.8k $893.8k 0.00% Added +15.5k +15,477