Vault-13

SOUTH BOW CORP SOBO

COM · Common Stock · CUSIP 83671M105

302 institutional holders +1 vs Q1 2026
127,650,999127.7m shares reported held*
$4.5bnreported value*
31 new 90 added 92 reduced 29 sold out net sold ≈ $134.2m (-3.8m 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 ($50.7m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $35.53. Options: 11 managers hold calls ($38.8m notional), 6 hold puts ($7.9m).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0200400Q4 24: 286Q1 25: 302Q2 25: 290Q3 25: 292Q4 25: 281Q1 26: 301Q2 26: 302302Q4 24Q2 25Q4 25Q2 26
Numbers
QuarterHolders
Q4 2024286
Q1 2025302
Q2 2025290
Q3 2025292
Q4 2025281
Q1 2026301
Q2 2026302

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 25Q4 25: 116 bought or addedQ4 25: 127 cut or sold outQ4 25Q1 26: 130 bought or addedQ1 26: 109 cut or sold outQ1 26Q2 26: 121 bought or addedQ2 26: 121 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q1 2025151127
Q2 202594149
Q3 2025121103
Q4 2025116127
Q1 2026130109
Q2 2026121121

Calls vs puts

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

CallsPuts
$0$20m$40m$60mQ3 25 calls: $24.9mQ3 25 puts: $8.0mQ3 25P/C 0.32Q4 25 calls: $22.9mQ4 25 puts: $47.6mQ4 25P/C 2.08Q1 26 calls: $46.7mQ1 26 puts: $10.8mQ1 26P/C 0.23Q2 26 calls: $38.8mQ2 26 puts: $7.9mQ2 26P/C 0.20
Numbers
QuarterCallsPutsP/C
Q3 2025$24.9m$8.0m0.32
Q4 2025$22.9m$47.6m2.08
Q1 2026$46.7m$10.8m0.23
Q2 2026$38.8m$7.9m0.20

Biggest buyers

FMR LLC Added +12,223,172+12.2m
MACKENZIE FINANCIAL CORP Added +2,039,298+2.0m
AMERICAN CENTURY COMPANIES INC Added +1,222,336+1.2m
BANK OF AMERICA CORP /DE/ Added +763,792+763.8k
D. E. Shaw & Co., Inc. Added +684,232+684.2k
GOLDMAN SACHS GROUP INC Added +372,004+372.0k
Brookfield Corp /ON/ Added +316,666+316.7k
MORGAN STANLEY Added +291,504+291.5k
BlackRock, Inc. Added +286,471+286.5k
HITE Hedge Asset Management LLC New +255,184+255.2k

Biggest sellers

Capital Research Global Investors Sold out -10,278,370-10.3m
Capital International Investors Reduced -3,459,141-3.5m
CANADA PENSION PLAN INVESTMENT BOARD Reduced -2,144,600-2.1m
ROYAL BANK OF CANADA Reduced -1,835,027-1.8m
Murchinson Ltd. Sold out -1,725,100-1.7m
BANK OF MONTREAL /CAN/ Reduced -1,038,025-1.0m
TD Asset Management Inc Reduced -726,848-726.8k
Alberta Investment Management Corp Reduced -530,000-530.0k
Boston Partners Reduced -485,003-485.0k
JPMORGAN CHASE & CO Reduced -327,268-327.3k

Biggest calls

NATIONAL BANK OF CANADA /FI/ Added $8.2m2.3k shares
PEAK6 LLC Unchanged $7.0m200.0k shares
SIG North Trading, ULC Reduced $5.4m153.6k shares
TORONTO DOMINION BANK Reduced $3.8m108.3k shares
Twin Tree Management, LP Reduced $3.8m107.6k shares
SIMPLEX TRADING, LLC Added $3.8m106.9k shares
JANE STREET GROUP, LLC Reduced $2.6m74.0k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $2.4m67.1k shares
IMC-Chicago, LLC New $1.0m29.4k shares
BANK OF MONTREAL /CAN/ Reduced $545.5k15.5k shares

Biggest puts

D. E. Shaw & Co., Inc. Unchanged $2.8m80.0k shares
SIG North Trading, ULC Reduced $2.2m61.1k shares
Twin Tree Management, LP Unchanged $1.4m39.0k shares
NATIONAL BANK OF CANADA /FI/ Reduced $877.0k249 shares
CITADEL ADVISORS LLC Reduced $433.5k12.3k shares
TORONTO DOMINION BANK Reduced $211.1k6.0k 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), GOLDMAN SACHS GROUP INC (1.3%, 2025-11-14)

Insider purchases and sales since 1 Apr 2026

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 since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 FMR LLC 0.03% of their portfolio BOSTON, MA 21,894,77121.9m $771.3m $771.3m 0.03% Added +12.2m +12,223,172
2 ROYAL BANK OF CANADA 0.09% of their portfolio TORONTO, A6 14,568,35614.6m $513.4m $513.4m 0.09% Reduced -1.8m -1,835,027
3 Clearbridge Investments, LLC 0.26% of their portfolio NEW YORK, NY 8,855,1088.9m $312.1m $312.1m 0.26% Added +185.2k +185,151
4 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 6,048,6016.0m $213.1m $213.1m 0.00% Added +80.6k +80,602
5 BANK OF MONTREAL /CAN/ 0.07% of their portfolio TORONTO, A6 5,554,7245.6m $195.5m $195.5m 0.07% Reduced -1.0m -1,038,025
6 PRICE T ROWE ASSOCIATES INC /MD/ 0.02% of their portfolio BALTIMORE, MD 5,244,5915.2m $184.8m $184.8m 0.02% Added +7.5k +7,481
7 THORNBURG INVESTMENT MANAGEMENT INC 1.25% of their portfolio SANTA FE, NM 3,721,3323.7m $131.0m $131.0m 1.25% Added +88.5k +88,457
8 CIBC WORLD MARKET INC. 0.20% of their portfolio TORONTO, A6 3,403,9023.4m $119.8m $119.8m 0.20% Reduced -35.4k -35,358
9 DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio AUSTIN, TX 3,043,0173.0m $107.2m $107.2m 0.02% Added +128.4k +128,403
10 Connor, Clark & Lunn Investment Management Ltd. 0.19% of their portfolio VANCOUVER, A1 2,779,9432.8m $97.8m $97.8m 0.19% Reduced -13.6k -13,614
11 BANK OF AMERICA CORP /DE/ 0.01% of their portfolio CHARLOTTE, NC 2,757,5602.8m $97.2m $97.2m 0.01% Added +763.8k +763,792
12 MACKENZIE FINANCIAL CORP 0.13% of their portfolio TORONTO ONTARIO, A6 2,535,5732.5m $126.7m $126.7m 0.13% Added +2.0m +2,039,298
13 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.09% of their portfolio CAUSEWAY BAY, K3 2,157,6732.2m $76.0m $76.0m 0.09% Reduced -76.7k -76,732
14 AMERICAN CENTURY COMPANIES INC 0.03% of their portfolio KANSAS CITY, MO 2,132,0782.1m $75.1m $75.1m 0.03% Added +1.2m +1,222,336
15 TD Waterhouse Canada Inc. 0.18% of their portfolio TORONTO, A6 1,946,7861.9m $67.1m $67.1m 0.18% Added +16.1k +16,097
16 VANGUARD FIDUCIARY TRUST CO 0.01% of their portfolio MALVERN, PA 1,844,1241.8m $65.0m $65.0m 0.01% Added +21.8k +21,847
17 Legal & General Group Plc 0.01% of their portfolio London, X0 1,784,7901.8m $62.8m $62.8m 0.01% Added +23.6k +23,605
18 GOLDMAN SACHS GROUP INC 0.01% of their portfolio NEW YORK, NY 1,781,9231.8m $62.8m $62.8m 0.01% Added +372.0k +372,004
19 SCOTIA CAPITAL INC. 0.23% of their portfolio TORONTO, A6 1,753,4751.8m $61.7m $61.7m 0.23% Reduced -35.4k -35,383
20 TD Asset Management Inc 0.05% of their portfolio Toronto, A6 1,648,2791.6m $58.0m $58.0m 0.05% Reduced -726.8k -726,848
21 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 1,626,2991.6m $57.3m $57.3m 0.00% Added +291.5k +291,504
22 Vanguard Global Advisers, LLC 0.02% of their portfolio MALVERN, PA 1,405,5261.4m $49.5m $49.5m 0.02% Added +135.0k +135,001
23 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 1,289,0081.3m $45.4m $45.4m 0.00% Reduced -233.7k -233,651
24 TWO SIGMA INVESTMENTS, LP 0.03% of their portfolio NEW YORK, NY 1,222,9421.2m $43.1m $43.1m 0.03% Reduced -166.4k -166,446
25 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.03% of their portfolio Toronto, A6 1,170,4521.2m $41.2m $41.2m 0.03% Reduced -122.0k -122,033
26 Recurrent Investment Advisors LLC 2.53% of their portfolio HOUSTON, TX 1,158,7381.2m $40.8m $40.8m 2.53% Reduced -2.3k -2,278
27 BARCLAYS PLC 0.01% of their portfolio LONDON, X0 1,129,4541.1m $39.8m $39.8m 0.01% Added +193.4k +193,423
28 D. E. Shaw & Co., Inc. 0.02% of their portfolio New York, NY 1,127,0061.1m $39.7m $39.7m 0.02% Added +684.2k +684,232
29 INTACT INVESTMENT MANAGEMENT INC. 1.02% of their portfolio MONTREAL, A8 1,015,8601.0m $35.8m $35.8m 1.02% Reduced -50.0k -50,000
30 WESTWOOD HOLDINGS GROUP INC 0.27% of their portfolio DALLAS, TX 1,004,6181.0m $35.4m $35.4m 0.27% Reduced -187.3k -187,317
31 TORONTO DOMINION BANK 0.06% of their portfolio TORONTO, ONTARIO, A6 999,798999.8k $35.2m $35.2m 0.06% Reduced -115.3k -115,262
32 PORTLAND INVESTMENT COUNSEL INC. 9.37% of their portfolio BURLINGTON, A6 951,824951.8k $33.5m $33.5m 9.37% Reduced -18.2k -18,237
33 TORTOISE CAPITAL ADVISORS, L.L.C. 0.34% of their portfolio OVERLAND PARK, KS 943,552943.6k $33.3m $33.3m 0.34% Reduced -16.5k -16,532
34 CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT 1.35% of their portfolio DALLAS, TX 855,500855.5k $30.1m $30.1m 1.35% Reduced -10.0k -10,000
35 Capital International Investors 0.01% of their portfolio Los Angeles, CA 854,458854.5k $30.1m $30.1m 0.01% Reduced -3.5m -3,459,141
36 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 849,366849.4k $33.0m $33.0m 0.00% Reduced -29.8k -29,759
37 Brookfield Corp /ON/ 0.04% of their portfolio TORONTO, A6 833,871833.9k $29.4m $29.4m 0.04% Added +316.7k +316,666
38 NORGES BANK 0.00% of their portfolio OSLO, Q8 759,445759.4k $26.7m $26.7m 0.00% Not comparable
39 Boston Partners 0.02% of their portfolio BOSTON, MA 753,936753.9k $26.8m $26.8m 0.02% Reduced -485.0k -485,003
40 Blackstone Inc. 0.08% of their portfolio NEW YORK, NY 666,481666.5k $23.5m $23.5m 0.08% Reduced -30.7k -30,695
41 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 540,885540.9k $19.0m $19.0m 0.00% Added +56.5k +56,505
42 NATIONAL BANK OF CANADA /FI/ 0.02% of their portfolio MONTREAL, A8 536,100536.1k $18.7m $18.7m 0.02% Added +44.6k +44,600
43 MILLER HOWARD INVESTMENTS INC /NY 0.46% of their portfolio KINGSTON, NY 496,936496.9k $17.5m $17.5m 0.46% Reduced -30.9k -30,853
44 BlackRock, Inc. 0.00% of their portfolio New York, NY 486,641486.6k $17.1m $17.1m 0.00% Added +286.5k +286,471
45 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 442,837442.8k $15.9m $15.9m 0.00% Reduced -327.3k -327,268
46 Swiss National Bank 0.01% of their portfolio ZURICH, V8 420,520420.5k $14.8m $14.8m 0.01% Added +8.2k +8,200
47 CIBC Asset Management Inc 0.03% of their portfolio TORONTO, Z4 379,616379.6k $13.3m $13.3m 0.03% Added +39.5k +39,513
48 Heathbridge Capital Management Ltd. 4.06% of their portfolio TORONTO, A6 338,000338.0k $11.9m $11.9m 4.06% Added +800 +800
49 CITADEL ADVISORS LLC 0.01% of their portfolio MIAMI, FL 318,459318.5k $11.2m $11.2m 0.01% Reduced -84.1k -84,066
50 JANE STREET GROUP, LLC 0.01% of their portfolio NEW YORK, NY 305,104305.1k $10.7m $10.7m 0.01% Added +148.8k +148,796
51 Federation des caisses Desjardins du Quebec 0.03% of their portfolio LEVIS, A8 299,054299.1k $10.5m $10.5m 0.03% Reduced -8.1k -8,127
52 FIL Ltd 0.01% of their portfolio HAMILTON, D0 293,627293.6k $10.3m $10.3m 0.01% Unchanged
53 UBS Group AG 0.00% of their portfolio ZURICH, V8 263,468263.5k $9.3m $9.3m 0.00% Added +93.8k +93,750
54 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp 0.06% of their portfolio VICTORIA, A1 257,021257.0k $9.0m $9.0m 0.06% Added +79.0k +78,979
55 HITE Hedge Asset Management LLC 0.49% of their portfolio BRAINTREE, MA 255,184255.2k $9.0m $9.0m 0.49% New
56 BANK OF NOVA SCOTIA 0.01% of their portfolio TORONTO, A6 235,511235.5k $8.3m $8.3m 0.01% Added +12.6k +12,649
57 Maryland State Retirement & Pension System 0.14% of their portfolio BALTIMORE, MD 224,850224.8k $7.9m $7.9m 0.14% Reduced -30.4k -30,444
58 Qube Research & Technologies Ltd 0.01% of their portfolio LONDON, X0 220,419220.4k $7.8m $7.8m 0.01% New
59 Alberta Investment Management Corp 0.04% of their portfolio EDMONTON, A0 212,851212.9k $7.5m $7.5m 0.04% Reduced -530.0k -530,000
60 Trexquant Investment LP 0.04% of their portfolio STAMFORD, CT 205,082205.1k $7.2m $7.2m 0.04% New
61 EXCHANGE TRADED CONCEPTS, LLC 0.04% of their portfolio Oklahoma City, OK 204,986205.0k $7.2m $7.2m 0.04% Reduced -9.8k -9,846
62 Treasurer of the State of North Carolina 0.02% of their portfolio RALEIGH, NC 196,169196.2k $6.9m $6.9m 0.02% New
63 Ruffer LLP 0.22% of their portfolio LONDON, X0 179,920179.9k $6.3m $6.3m 0.22% New
64 VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio London, EC4N 8AF, X0 178,759178.8k $6.3m $6.3m 0.00% Added +21.0k +21,044
65 Purpose Unlimited Inc. 0.24% of their portfolio TORONTO, A6 177,796177.8k $6.3m $6.3m 0.24% Reduced -18.0k -17,998
66 Ninepoint Partners LP 0.55% of their portfolio TORONTO, A6 175,000175.0k $6.2m $6.2m 0.55% Reduced -75.0k -75,000
67 VIEWPOINT INVESTMENT PARTNERS CORP 1.82% of their portfolio CALGARY, A0 159,522159.5k $5.3m $5.3m 1.82% Added +4 +4
68 Vanguard Investments Australia, Ltd. 0.01% of their portfolio Victoria, C3 159,293159.3k $5.6m $5.6m 0.01% Added +2.8k +2,780
69 VAN ECK ASSOCIATES CORP 0.00% of their portfolio NEW YORK, NY 158,350158.3k $5.6m $5.6m 0.00% Reduced -19.5k -19,523
70 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 154,597154.6k $5.4m $5.4m 0.00% Reduced -12.9k -12,915
71 CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio TORONTO ONTARIO, A6 154,400154.4k $5.4m $5.4m 0.00% Reduced -2.1m -2,144,600
72 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 151,270151.3k $5.3m $5.3m 0.00% Reduced -4.4k -4,352
73 BCV Asset Management Inc. 0.15% of their portfolio WINNIPEG, A2 141,527141.5k $5.1m $5.1m 0.15% Added +7.9k +7,855
74 HRT FINANCIAL LP 0.01% of their portfolio NEW YORK, NY 140,734140.7k $5.0m $5.0m 0.01% Added +58.4k +58,352
75 TCW GROUP INC 0.03% of their portfolio LOS ANGELES, CA 128,100128.1k $4.5m $4.5m 0.03% Added +3.0k +3,000
76 Triasima Portfolio Management inc. 0.60% of their portfolio MONTREAL, A8 127,160127.2k $4.5m $4.5m 0.60% Added +13.7k +13,700
77 Moors & Cabot, Inc. 0.17% of their portfolio BOSTON, MA 126,835126.8k $4.5m $4.5m 0.17% Reduced -191 -191
78 Man Group plc 0.01% of their portfolio LONDON, X0 124,726124.7k $4.4m $4.4m 0.01% Reduced -112.1k -112,146
79 1832 Asset Management L.P. 0.01% of their portfolio TORONTO, A6 116,281116.3k $4.1m $4.1m 0.01% Added +910 +910
80 Catalyst Capital Advisors LLC 0.07% of their portfolio San Juan, PR 114,629114.6k $4.0m $4.0m 0.07% Reduced -7.0k -7,050
81 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 111,843111.8k $3.9m $3.9m 0.00% Reduced -110.5k -110,530
82 Capital World Investors 0.00% of their portfolio LOS ANGELES, CA 105,426105.4k $3.7m $3.7m 0.00% Reduced -4.1k -4,139
83 XTX Topco Ltd 0.04% of their portfolio LONDON, X0 98,16898.2k $3.5m $3.5m 0.04% New
84 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 93,11993.1k $3.3m $3.3m 0.00% Reduced -2.2k -2,230
85 Ausbil Investment Management Ltd 1.48% of their portfolio SYDNEY, C3 92,77192.8k $3.3m $3.3m 1.48% Reduced -13.7k -13,712
86 &PARTNERS 0.01% of their portfolio NASHVILLE, TN 91,74691.7k $3.2m $3.2m 0.01% Added +5.0k +5,038
87 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 89,11789.1k $3.1m $3.1m 0.00% Added +5.7k +5,748
88 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 76,68076.7k $2.7m $2.7m 0.00% Added +41.8k +41,800
89 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.01% of their portfolio COLUMBUS, OH 73,86773.9k $2.6m $2.6m 0.01% Added +7.2k +7,156
90 Schonfeld Strategic Advisors LLC 0.01% of their portfolio NEW YORK, NY 71,36671.4k $2.5m $2.5m 0.01% Added +28.0k +28,026
91 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 71,30571.3k $2.5m $2.5m 0.00% Reduced -11.6k -11,590
92 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 70,99371.0k $2.5m $2.5m 0.00% Reduced -424 -424
93 Amundi 0.00% of their portfolio Paris, I0 70,88870.9k $2.5m $2.5m 0.00% Added +62.0k +61,988
94 LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 64,00664.0k $2.3m $2.3m 0.00% Reduced -156 -156
95 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 63,46463.5k $2.2m $2.2m 0.00% Added +54.1k +54,059
96 Numerai GP LLC 0.18% of their portfolio SAN FRANCISCO, CA 63,34663.3k $2.2m $2.2m 0.18% Added +43.1k +43,145
97 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 61,77961.8k $2.2m $2.2m 0.00% Added +33.4k +33,418
98 SIG North Trading, ULC 0.39% of their portfolio Bala Cynwyd, PA 61,17161.2k $2.2m $2.2m 0.39% Reduced -76.0k -76,037
99 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 55,90355.9k $2.0m $2.0m 0.00% Added +495 +495
100 Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio ZURICH, V8 53,72753.7k $1.9m $1.9m 0.00% Unchanged