Vault-13

SOUTH BOW CORP SOBO

COM · Common Stock · CUSIP 83671M105

286 institutional holders
140,122,957140.1m shares reported held*
67.4% of all shares outstanding*
$3.3bnreported value*

* 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 ($41.3m this quarter). Holder counts are more reliable. Shares outstanding: 208.0m as of 2024-12-31, 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 ≈ $23.64. Options: 7 managers hold calls ($4.5m notional), 10 hold puts ($206.3m).

Trends to Q4 2024

Calls vs puts

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

CallsPuts
$0$100m$200m$300mQ1 24 calls: $0Q1 24 puts: $0Q1 24P/C —Q2 24 calls: $0Q2 24 puts: $0Q2 24P/C —Q3 24 calls: $0Q3 24 puts: $0Q3 24P/C —Q4 24 calls: $4.5mQ4 24 puts: $206.3mQ4 24P/C 46.24
Numbers
QuarterCallsPutsP/C
Q1 2024$0$0—
Q2 2024$0$0—
Q3 2024$0$0—
Q4 2024$4.5m$206.3m46.24

Biggest buyers

FMR LLC New +19,546,851+19.5m
ROYAL BANK OF CANADA New +18,412,117+18.4m
Capital International Investors New +13,372,423+13.4m
PRICE T ROWE ASSOCIATES INC /MD/ New +12,337,055+12.3m
VANGUARD GROUP INC New +8,749,703+8.7m
BANK OF MONTREAL /CAN/ New +5,349,368+5.3m
ClearBridge Investments Ltd New +4,072,402+4.1m
Blackstone Inc. New +3,681,039+3.7m
MACKENZIE FINANCIAL CORP New +3,414,132+3.4m
TD Asset Management Inc New +2,775,125+2.8m

Biggest sellers

None

Biggest calls

TORONTO DOMINION BANK New $1.5m63.9k shares
SIG North Trading, ULC New $1.2m49.2k shares
CITADEL ADVISORS LLC New $945.6k40.1k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP New $549.2k23.3k shares
NATIONAL BANK OF CANADA /FI/ New $189.0k80 shares
GROUP ONE TRADING LLC New $113.1k4.8k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. New $00 shares

Biggest puts

GOLDMAN SACHS GROUP INC New $188.6m8.0m shares
D. E. Shaw & Co., Inc. New $6.1m260.0k shares
JANE STREET GROUP, LLC New $6.0m256.0k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP New $1.8m77.5k shares
ROYAL BANK OF CANADA New $1.8m76.0k shares
CITADEL ADVISORS LLC New $1.3m55.7k shares
SIG North Trading, ULC New $388.9k16.5k shares
NATIONAL BANK OF CANADA /FI/ New $212.6k90 shares
SIMPLEX TRADING, LLC New $61.0k2.6k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. New $00 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 in Q4 2024

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 Q4 2024.

Holders, Q4 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 FMR LLC 0.03% of their portfolio BOSTON, MA 19,546,85119.5m $461.2m $461.2m 0.03% New
2 ROYAL BANK OF CANADA 0.09% of their portfolio TORONTO, A6 18,412,11718.4m $434.0m $434.0m 0.09% New
3 Capital International Investors 0.06% of their portfolio Los Angeles, CA 13,372,42313.4m $315.5m $315.5m 0.06% New
4 PRICE T ROWE ASSOCIATES INC /MD/ 0.03% of their portfolio BALTIMORE, MD 12,337,05512.3m $290.8m $290.8m 0.03% New
5 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 8,749,7038.7m $206.5m $206.5m 0.00% New
6 BANK OF MONTREAL /CAN/ 0.06% of their portfolio TORONTO, A6 5,349,3685.3m $126.1m $126.1m 0.06% New
7 ClearBridge Investments Ltd 2.52% of their portfolio SYDNEY, C3 4,072,4024.1m $96.0m $96.0m 2.52% New
8 Blackstone Inc. 0.41% of their portfolio NEW YORK, NY 3,681,0393.7m $86.8m $86.8m 0.41% New
9 MACKENZIE FINANCIAL CORP 0.04% of their portfolio TORONTO ONTARIO, A6 3,414,1323.4m $80.7m $80.7m 0.04% New
10 TD Asset Management Inc 0.06% of their portfolio Toronto, A6 2,775,1252.8m $65.5m $65.5m 0.06% New
11 CANADA PENSION PLAN INVESTMENT BOARD 0.06% of their portfolio TORONTO ONTARIO, A6 2,690,0002.7m $63.4m $63.4m 0.06% New
12 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.12% of their portfolio CAUSEWAY BAY, K3 2,352,4542.4m $55.4m $55.4m 0.12% New
13 Legal & General Group Plc 0.01% of their portfolio London, X0 2,325,8772.3m $54.9m $54.9m 0.01% New
14 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 2,111,5842.1m $49.8m $49.8m 0.00% New
15 CIBC WORLD MARKET INC. 0.11% of their portfolio TORONTO, A6 2,015,0952.0m $47.5m $47.5m 0.11% New
16 TORONTO DOMINION BANK 0.09% of their portfolio TORONTO, ONTARIO, A6 1,997,4522.0m $47.1m $47.1m 0.09% New
17 Merewether Investment Management, LP 1.84% of their portfolio DALLAS, TX 1,952,4952.0m $46.0m $46.0m 1.84% New
18 Brookfield Corp /ON/ 0.12% of their portfolio TORONTO, A6 1,724,0841.7m $40.6m $40.6m 0.12% New
19 SCOTIA CAPITAL INC. 0.21% of their portfolio TORONTO, A6 1,715,1851.7m $40.4m $40.4m 0.21% New
20 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.03% of their portfolio Toronto, A6 1,462,4981.5m $34.5m $34.5m 0.03% New
21 GOLDMAN SACHS GROUP INC 0.01% of their portfolio NEW YORK, NY 1,341,2011.3m $31.6m $31.6m 0.01% New
22 TORTOISE CAPITAL ADVISORS, L.L.C. 0.36% of their portfolio OVERLAND PARK, KS 1,195,8921.2m $28.2m $28.2m 0.36% New
23 Capital World Investors 0.00% of their portfolio LOS ANGELES, CA 1,177,8411.2m $27.8m $27.8m 0.00% New
24 PORTLAND INVESTMENT COUNSEL INC. 7.13% of their portfolio BURLINGTON, A6 1,177,6401.2m $27.8m $27.8m 7.13% New
25 1832 Asset Management L.P. 0.05% of their portfolio TORONTO, A6 1,117,6491.1m $26.3m $26.3m 0.05% New
26 Bornite Capital Management LP 3.45% of their portfolio NEW YORK, NY 1,087,0001.1m $25.6m $25.6m 3.45% New
27 TD Waterhouse Canada Inc. 0.19% of their portfolio TORONTO, A6 984,277984.3k $23.2m $23.2m 0.19% New
28 NORGES BANK 0.00% of their portfolio OSLO, Q8 869,288869.3k $20.5m $20.5m 0.00% Not comparable
29 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 795,151795.2k $18.7m $18.7m 0.00% New
30 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 760,815760.8k $17.9m $17.9m 0.00% New
31 Connor, Clark & Lunn Investment Management Ltd. 0.08% of their portfolio VANCOUVER, A1 751,880751.9k $17.7m $17.7m 0.08% New
32 BANK OF NOVA SCOTIA 0.03% of their portfolio TORONTO, A6 739,385739.4k $17.4m $17.4m 0.03% New
33 M&G PLC 0.10% of their portfolio London, X0 703,806703.8k $16.6m $16.6m 0.10% New
34 JENNISON ASSOCIATES LLC 0.01% of their portfolio NEW YORK, NY 676,968677.0k $16.0m $16.0m 0.01% New
35 FIL Ltd 0.01% of their portfolio HAMILTON, D0 670,254670.3k $15.8m $15.8m 0.01% New
36 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 667,973668.0k $15.7m $15.7m 0.00% New
37 Mondrian Investment Partners LTD 0.38% of their portfolio LONDON, X0 655,258655.3k $22.8m $22.8m 0.38% New
38 Pictet Asset Management Holding SA 0.02% of their portfolio CAROUGE, V8 597,300597.3k $14.1m $14.1m 0.02% New
39 Energy Income Partners, LLC 0.28% of their portfolio Westport, CT 584,547584.5k $13.8m $13.8m 0.28% New
40 TWO SIGMA INVESTMENTS, LP 0.03% of their portfolio NEW YORK, NY 583,338583.3k $13.7m $13.7m 0.03% New
41 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 536,064536.1k $12.6m $12.6m 0.00% New
42 JANE STREET GROUP, LLC 0.02% of their portfolio NEW YORK, NY 530,106530.1k $12.5m $12.5m 0.02% New
43 HITE Hedge Asset Management LLC 0.87% of their portfolio BRAINTREE, MA 503,517503.5k $11.9m $11.9m 0.87% New
44 NATIONAL BANK OF CANADA /FI/ 0.01% of their portfolio MONTREAL, A8 469,122469.1k $11.1m $11.1m 0.01% New
45 DUFF & PHELPS INVESTMENT MANAGEMENT CO 0.13% of their portfolio CHICAGO, IL 446,896446.9k $10.5m $10.5m 0.13% New
46 MILLER HOWARD INVESTMENTS INC /NY 0.34% of their portfolio KINGSTON, NY 435,282435.3k $10.3m $10.3m 0.34% New
47 CenterBook Partners LP 0.61% of their portfolio GREENWICH, CT 433,519433.5k $10.2m $10.2m 0.61% New
48 Swiss National Bank 0.01% of their portfolio ZURICH, V8 410,020410.0k $9.7m $9.7m 0.01% New
49 Scheer, Rowlett & Associates Investment Management Ltd. 0.67% of their portfolio TORONTO, A6 391,457391.5k $9.2m $9.2m 0.67% New
50 Capital Research Global Investors 0.00% of their portfolio Los Angeles, CA 387,875387.9k $9.2m $9.2m 0.00% New
51 WESTWOOD HOLDINGS GROUP INC 0.07% of their portfolio DALLAS, TX 377,310377.3k $8.9m $8.9m 0.07% New
52 Yaupon Capital Management LP 0.49% of their portfolio NEW YORK, NY 328,822328.8k $7.8m $7.8m 0.49% New
53 CIBC Asset Management Inc 0.02% of their portfolio TORONTO, Z4 316,540316.5k $7.5m $7.5m 0.02% New
54 INTACT INVESTMENT MANAGEMENT INC. 0.26% of their portfolio MONTREAL, A8 313,460313.5k $7.4m $7.4m 0.26% New
55 CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT 0.45% of their portfolio DALLAS, TX 287,953288.0k $6.8m $6.8m 0.45% New
56 Federation des caisses Desjardins du Quebec 0.03% of their portfolio LEVIS, A8 286,146286.1k $6.7m $6.7m 0.03% New
57 Maryland State Retirement & Pension System 0.13% of their portfolio BALTIMORE, MD 261,070261.1k $6.2m $6.2m 0.13% New
58 Capital Group Private Client Services, Inc. 0.05% of their portfolio Los Angeles, CA 236,743236.7k $5.6m $5.6m 0.05% New
59 EXCHANGE TRADED CONCEPTS, LLC 0.11% of their portfolio Oklahoma City, OK 230,243230.2k $5.4m $5.4m 0.11% New
60 TWO SIGMA ADVISERS, LP 0.01% of their portfolio NEW YORK, NY 219,200219.2k $5.2m $5.2m 0.01% New
61 Catalyst Capital Advisors LLC 0.11% of their portfolio San Juan, PR 210,379210.4k $5.0m $5.0m 0.11% New
62 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 203,780203.8k $5.4m $5.4m 0.00% New
63 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 203,285203.3k $4.8m $4.8m 0.00% New
64 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 181,777181.8k $4.1m $4.1m 0.00% New
65 VAN ECK ASSOCIATES CORP 0.01% of their portfolio NEW YORK, NY 178,600178.6k $4.2m $4.2m 0.01% New
66 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 169,493169.5k $4.0m $4.0m 0.00% New
67 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 161,472161.5k $3.8m $3.8m 0.00% New
68 BlackRock, Inc. 0.00% of their portfolio New York, NY 153,561153.6k $3.6m $3.6m 0.00% New
69 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 150,418150.4k $3.5m $3.5m 0.00% New
70 Alberta Investment Management Corp 0.02% of their portfolio EDMONTON, A0 148,328148.3k $3.5m $3.5m 0.02% New
71 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 143,804143.8k $3.4m $3.4m 0.00% New
72 UBS Group AG 0.00% of their portfolio ZURICH, V8 133,382133.4k $3.1m $3.1m 0.00% New
73 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 132,763132.8k $3.1m $3.1m 0.00% New
74 NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio NEW YORK, NY 127,393127.4k $3.0m $3.0m 0.00% New
75 Nexus Investment Management ULC 0.28% of their portfolio TORONTO, A6 119,342119.3k $2.8m $2.8m 0.28% New
76 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 112,318112.3k $2.6m $2.6m 0.00% New
77 Clearbridge Investments, LLC 0.00% of their portfolio NEW YORK, NY 110,688110.7k $2.6m $2.6m 0.00% New
78 Moors & Cabot, Inc. 0.12% of their portfolio BOSTON, MA 108,976109.0k $2.6m $2.6m 0.12% New
79 Vident Advisory, LLC 0.04% of their portfolio Alpharetta, GA 100,570100.6k $2.4m $2.4m 0.04% New
80 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 100,320100.3k $2.4m $2.4m 0.00% New
81 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 98,94798.9k $2.3m $2.3m 0.00% New
82 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp 0.01% of their portfolio VICTORIA, A1 93,09393.1k $2.2m $2.2m 0.01% New
83 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 86,51686.5k $2.0m $2.0m 0.00% New
84 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 75,79175.8k $1.8m $1.8m 0.00% New
85 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.01% of their portfolio COLUMBUS, OH 73,97274.0k $1.7m $1.7m 0.01% New
86 KAYNE ANDERSON CAPITAL ADVISORS LP 0.04% of their portfolio LOS ANGELES, CA 71,88271.9k $1.7m $1.7m 0.04% New
87 SIG North Trading, ULC 0.37% of their portfolio Bala Cynwyd, PA 69,31069.3k $1.6m $1.6m 0.37% New
88 CAPITAL INTERNATIONAL SARL 0.04% of their portfolio Los Angeles, CA 67,92167.9k $1.6m $1.6m 0.04% New
89 Centerstone Investors, LLC 1.33% of their portfolio New York, NY 60,42960.4k $1.4m $1.4m 1.33% New
90 apricus wealth, LLC 0.91% of their portfolio BEAUFORT, SC 59,55459.6k $1.4m $1.4m 0.91% New
91 Greenline Partners, LLC 0.19% of their portfolio NEW YORK, NY 58,07858.1k $1.4m $1.4m 0.19% New
92 Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio ZURICH, V8 57,59057.6k $1.4m $1.4m 0.00% New
93 Capital International, Inc./CA/ 0.02% of their portfolio Los Angeles, CA 56,89956.9k $1.3m $1.3m 0.02% New
94 Fractal Investments LLC 0.18% of their portfolio Glastonbury, CT 49,80049.8k $1.2m $1.2m 0.18% New
95 BANK OF NOVA SCOTIA TRUST CO 0.12% of their portfolio TORONTO, A6 49,58149.6k $1.2m $1.2m 0.12% New
96 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 44,98845.0k $1.1m $1.1m 0.00% New
97 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 44,78944.8k $1.1m $1.1m 0.00% New
98 Heronetta Management, L.P. 0.77% of their portfolio NEW YORK, NY 40,49740.5k $1.4m $1.4m 0.77% New
99 CAPITAL INTERNATIONAL LTD /CA/ 0.04% of their portfolio LOS ANGELES, CA 40,33640.3k $951.7k $951.7k 0.04% New
100 FINANCIAL COUNSELORS INC 0.01% of their portfolio Overland Park, KS 37,76237.8k $890.0k $890.0k 0.01% New