Vault-13

SOUTH BOW CORP SOBO

COM · Common Stock · CUSIP 83671M105

302 institutional holders +16 vs Q4 2024
152,386,908152.4m shares reported held*
73.2% of all shares outstanding*
$4.1bnreported value*
67 new 84 added 75 reduced 52 sold out net bought ≈ $345.3m (+13.5m 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 ($76.9m 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 ≈ $26.95. Options: 10 managers hold calls ($21.6m notional), 10 hold puts ($15.2m).

Trends to Q1 2025

Institutional holders

Managers reporting a position, each quarter

0200400Q4 24: 286Q1 25: 302302Q4 24Q1 25
Numbers
QuarterHolders
Q4 2024286
Q1 2025302

Calls vs puts

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

CallsPuts
$0$100m$200m$300mQ2 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 46.24Q1 25 calls: $21.6mQ1 25 puts: $15.2mQ1 25P/C 0.70
Numbers
QuarterCallsPutsP/C
Q2 2024$0$0—
Q3 2024$0$0—
Q4 2024$4.5m$206.3m46.24
Q1 2025$21.6m$15.2m0.70

Biggest buyers

Murchinson Ltd. New +5,274,000+5.3m
Capital International Investors Added +4,152,714+4.2m
GOLDMAN SACHS GROUP INC Added +2,510,206+2.5m
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Added +1,999,997+2.0m
BANK OF NOVA SCOTIA Added +1,454,084+1.5m
Boston Partners New +1,294,731+1.3m
CIBC WORLD MARKET INC. Added +1,199,678+1.2m
INFRASTRUCTURE CAPITAL ADVISORS, LLC Added +1,090,203+1.1m
BARCLAYS PLC Added +894,035+894.0k
Invesco Ltd. Added +858,826+858.8k

Biggest sellers

MACKENZIE FINANCIAL CORP Reduced -2,693,067-2.7m
Merewether Investment Management, LP Sold out -1,952,495-2.0m
ROYAL BANK OF CANADA Reduced -1,611,043-1.6m
Capital World Investors Sold out -1,177,841-1.2m
M&G PLC Sold out -703,806-703.8k
CANADA PENSION PLAN INVESTMENT BOARD Reduced -640,000-640.0k
Energy Income Partners, LLC Sold out -584,547-584.5k
JANE STREET GROUP, LLC Reduced -512,948-512.9k
HITE Hedge Asset Management LLC Sold out -503,517-503.5k
CenterBook Partners LP Reduced -410,756-410.8k

Biggest calls

TORONTO DOMINION BANK Added $7.9m310.5k shares
BANK OF MONTREAL /CAN/ New $3.8m150.0k shares
SIG North Trading, ULC Added $3.5m137.0k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $2.6m102.4k shares
CITADEL ADVISORS LLC Added $1.1m44.9k shares
GROUP ONE TRADING LLC Added $954.4k37.4k shares
SIMPLEX TRADING, LLC New $829.0k32.5k shares
WOLVERINE TRADING, LLC New $437.4k16.7k shares
NATIONAL BANK OF CANADA /FI/ Added $406.2k159 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

BANK OF MONTREAL /CAN/ New $4.5m174.3k shares
D. E. Shaw & Co., Inc. Reduced $3.6m140.0k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $2.9m112.0k shares
JANE STREET GROUP, LLC Reduced $1.5m58.0k shares
SIG North Trading, ULC Added $1.2m45.8k shares
CITADEL ADVISORS LLC Reduced $769.2k30.1k shares
NATIONAL BANK OF CANADA /FI/ Added $717.8k281 shares
TORONTO DOMINION BANK New $107.3k4.2k shares
SIMPLEX TRADING, LLC Added $79.0k3.1k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $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 Q1 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 Q1 2025.

Holders, Q1 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 FMR LLC 0.03% of their portfolio BOSTON, MA 19,400,71319.4m $495.6m $495.6m 0.03% Reduced -146.1k -146,138
2 Capital International Investors 0.09% of their portfolio Los Angeles, CA 17,525,13717.5m $447.6m $447.6m 0.09% Added +4.2m +4,152,714
3 ROYAL BANK OF CANADA 0.10% of their portfolio TORONTO, A6 16,801,07416.8m $428.8m $428.8m 0.10% Reduced -1.6m -1,611,043
4 PRICE T ROWE ASSOCIATES INC /MD/ 0.04% of their portfolio BALTIMORE, MD 12,617,14312.6m $322.0m $322.0m 0.04% Added +280.1k +280,088
5 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 8,907,0588.9m $227.5m $227.5m 0.00% Added +157.4k +157,355
6 BANK OF MONTREAL /CAN/ 0.08% of their portfolio TORONTO, A6 5,708,9465.7m $145.9m $145.9m 0.08% Added +359.6k +359,578
7 Murchinson Ltd. 23.48% of their portfolio TORONTO, A6 5,274,0005.3m $134.6m $134.6m 23.48% New
8 ClearBridge Investments Ltd 2.79% of their portfolio SYDNEY, C3 4,260,7654.3m $107.4m $107.4m 2.79% Added +188.4k +188,363
9 Blackstone Inc. 0.44% of their portfolio NEW YORK, NY 3,972,0314.0m $101.4m $101.4m 0.44% Added +291.0k +290,992
10 GOLDMAN SACHS GROUP INC 0.02% of their portfolio NEW YORK, NY 3,851,4073.9m $98.3m $98.3m 0.02% Added +2.5m +2,510,206
11 CIBC WORLD MARKET INC. 0.19% of their portfolio TORONTO, A6 3,214,7733.2m $82.1m $82.1m 0.19% Added +1.2m +1,199,678
12 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.15% of their portfolio CAUSEWAY BAY, K3 2,765,5482.8m $70.6m $70.6m 0.15% Added +413.1k +413,094
13 TD Asset Management Inc 0.06% of their portfolio Toronto, A6 2,745,3822.7m $70.1m $70.1m 0.06% Reduced -29.7k -29,743
14 Legal & General Group Plc 0.02% of their portfolio London, X0 2,387,2522.4m $61.0m $61.0m 0.02% Added +61.4k +61,375
15 Brookfield Corp /ON/ 0.05% of their portfolio TORONTO, A6 2,238,2312.2m $57.1m $57.1m 0.05% Added +514.1k +514,147
16 BANK OF NOVA SCOTIA 0.13% of their portfolio TORONTO, A6 2,193,4692.2m $56.0m $56.0m 0.13% Added +1.5m +1,454,084
17 CANADA PENSION PLAN INVESTMENT BOARD 0.05% of their portfolio TORONTO ONTARIO, A6 2,050,0002.0m $52.4m $52.4m 0.05% Reduced -640.0k -640,000
18 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.11% of their portfolio TORONTO, A6 2,000,0002.0m $51.1m $51.1m 0.11% Added +2.0m +1,999,997
19 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 1,936,6041.9m $49.4m $49.4m 0.00% Reduced -175.0k -174,980
20 SCOTIA CAPITAL INC. 0.24% of their portfolio TORONTO, A6 1,734,9371.7m $44.2m $44.2m 0.24% Added +19.8k +19,752
21 TORONTO DOMINION BANK 0.11% of their portfolio TORONTO, ONTARIO, A6 1,684,8411.7m $43.0m $43.0m 0.11% Reduced -312.6k -312,611
22 Invesco Ltd. 0.01% of their portfolio ATLANTA, GA 1,619,6411.6m $41.3m $41.3m 0.01% Added +858.8k +858,826
23 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.03% of their portfolio Toronto, A6 1,379,9011.4m $35.3m $35.3m 0.03% Reduced -82.6k -82,597
24 Boston Partners 0.04% of their portfolio BOSTON, MA 1,294,7311.3m $32.8m $32.8m 0.04% New
25 TD Waterhouse Canada Inc. 0.26% of their portfolio TORONTO, A6 1,243,3261.2m $31.4m $31.4m 0.26% Added +259.0k +259,049
26 TORTOISE CAPITAL ADVISORS, L.L.C. 0.37% of their portfolio OVERLAND PARK, KS 1,205,3141.2m $30.8m $30.8m 0.37% Added +9.4k +9,422
27 NORGES BANK 0.00% of their portfolio OSLO, Q8 1,182,3841.2m $30.2m $30.2m 0.00% Added +313.1k +313,096
28 PORTLAND INVESTMENT COUNSEL INC. 8.89% of their portfolio BURLINGTON, A6 1,146,2281.1m $29.3m $29.3m 8.89% Reduced -31.4k -31,412
29 INFRASTRUCTURE CAPITAL ADVISORS, LLC 8.13% of their portfolio New York, NY 1,112,1621.1m $64.6m $64.6m 8.13% Added +1.1m +1,090,203
30 1832 Asset Management L.P. 0.05% of their portfolio TORONTO, A6 1,072,0881.1m $27.4m $27.4m 0.05% Reduced -45.6k -45,561
31 Bornite Capital Management LP 7.04% of their portfolio NEW YORK, NY 1,071,0001.1m $27.3m $27.3m 7.04% Reduced -16.0k -16,000
32 JENNISON ASSOCIATES LLC 0.02% of their portfolio NEW YORK, NY 969,432969.4k $24.8m $24.8m 0.02% Added +292.5k +292,464
33 WESTWOOD HOLDINGS GROUP INC 0.19% of their portfolio DALLAS, TX 964,309964.3k $24.6m $24.6m 0.19% Added +587.0k +586,999
34 BARCLAYS PLC 0.01% of their portfolio LONDON, X0 939,023939.0k $24.0m $24.0m 0.01% Added +894.0k +894,035
35 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 839,020839.0k $21.4m $21.4m 0.00% Added +43.9k +43,869
36 MILLER HOWARD INVESTMENTS INC /NY 0.66% of their portfolio KINGSTON, NY 817,558817.6k $20.9m $20.9m 0.66% Added +382.3k +382,276
37 Connor, Clark & Lunn Investment Management Ltd. 0.09% of their portfolio VANCOUVER, A1 792,153792.2k $20.2m $20.2m 0.09% Added +40.3k +40,273
38 THORNBURG INVESTMENT MANAGEMENT INC 0.28% of their portfolio SANTA FE, NM 772,102772.1k $197.3m $197.3m 0.28% New
39 MACKENZIE FINANCIAL CORP 0.03% of their portfolio TORONTO ONTARIO, A6 721,065721.1k $18.4m $18.4m 0.03% Reduced -2.7m -2,693,067
40 INTACT INVESTMENT MANAGEMENT INC. 0.61% of their portfolio MONTREAL, A8 697,060697.1k $17.8m $17.8m 0.61% Added +383.6k +383,600
41 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 667,981668.0k $17.1m $17.1m 0.00% Added +8 +8
42 Pictet Asset Management Holding SA 0.02% of their portfolio CAROUGE, V8 598,192598.2k $15.3m $15.3m 0.02% Added +892 +892
43 NATIONAL BANK OF CANADA /FI/ 0.02% of their portfolio MONTREAL, A8 568,592568.6k $14.4m $14.4m 0.02% Added +99.5k +99,470
44 Mondrian Investment Partners LTD 0.35% of their portfolio LONDON, X0 560,199560.2k $20.6m $20.6m 0.35% Reduced -95.1k -95,059
45 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 498,360498.4k $12.7m $12.7m 0.00% Reduced -37.7k -37,704
46 TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio NEW YORK, NY 423,904423.9k $10.8m $10.8m 0.02% Reduced -159.4k -159,434
47 Swiss National Bank 0.01% of their portfolio ZURICH, V8 404,720404.7k $10.3m $10.3m 0.01% Reduced -5.3k -5,300
48 Scheer, Rowlett & Associates Investment Management Ltd. 0.76% of their portfolio TORONTO, A6 402,934402.9k $10.3m $10.3m 0.76% Added +11.5k +11,477
49 CIBC Asset Management Inc 0.03% of their portfolio TORONTO, Z4 353,605353.6k $9.0m $9.0m 0.03% Added +37.1k +37,065
50 FIL Ltd 0.01% of their portfolio HAMILTON, D0 341,627341.6k $8.7m $8.7m 0.01% Reduced -328.6k -328,627
51 Federation des caisses Desjardins du Quebec 0.04% of their portfolio LEVIS, A8 337,068337.1k $8.6m $8.6m 0.04% Added +50.9k +50,922
52 DUFF & PHELPS INVESTMENT MANAGEMENT CO 0.10% of their portfolio CHICAGO, IL 323,467323.5k $8.3m $8.3m 0.10% Reduced -123.4k -123,429
53 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 284,520284.5k $7.3m $7.3m 0.00% Added +102.7k +102,743
54 UBS Group AG 0.00% of their portfolio ZURICH, V8 277,461277.5k $7.1m $7.1m 0.00% Added +144.1k +144,079
55 Maryland State Retirement & Pension System 0.16% of their portfolio BALTIMORE, MD 264,886264.9k $6.8m $6.8m 0.16% Added +3.8k +3,816
56 SIG North Trading, ULC 1.30% of their portfolio Bala Cynwyd, PA 250,670250.7k $6.4m $6.4m 1.30% Added +181.4k +181,360
57 EXCHANGE TRADED CONCEPTS, LLC 0.10% of their portfolio Oklahoma City, OK 228,931228.9k $5.8m $5.8m 0.10% Reduced -1.3k -1,312
58 Capital Group Private Client Services, Inc. 0.06% of their portfolio Los Angeles, CA 227,852227.9k $5.8m $5.8m 0.06% Reduced -8.9k -8,891
59 Catalyst Capital Advisors LLC 0.12% of their portfolio San Juan, PR 224,579224.6k $5.7m $5.7m 0.12% Added +14.2k +14,200
60 TWO SIGMA ADVISERS, LP 0.01% of their portfolio NEW YORK, NY 219,200219.2k $5.6m $5.6m 0.01% Unchanged
61 CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT 0.32% of their portfolio DALLAS, TX 203,371203.4k $5.2m $5.2m 0.32% Reduced -84.6k -84,582
62 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 199,035199.0k $5.1m $5.1m 0.00% Added +29.5k +29,542
63 VAN ECK ASSOCIATES CORP 0.01% of their portfolio NEW YORK, NY 192,637192.6k $4.9m $4.9m 0.01% Added +14.0k +14,037
64 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 180,860180.9k $4.6m $4.6m 0.00% First filing
65 Zimmer Partners, LP 0.09% of their portfolio NEW YORK, NY 175,000175.0k $4.5m $4.5m 0.09% New
66 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 160,507160.5k $4.1m $4.1m 0.00% Reduced -43.3k -43,273
67 BlackRock, Inc. 0.00% of their portfolio New York, NY 149,063149.1k $3.8m $3.8m 0.00% Reduced -4.5k -4,498
68 Alberta Investment Management Corp 0.03% of their portfolio EDMONTON, A0 148,328148.3k $3.8m $3.8m 0.03% Unchanged
69 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 147,778147.8k $3.8m $3.8m 0.00% Reduced -2.6k -2,640
70 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 144,611144.6k $3.7m $3.7m 0.00% Added +807 +807
71 Ausbil Investment Management Ltd 1.99% of their portfolio SYDNEY, C3 127,356127.4k $3.3m $3.3m 1.99% New
72 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 118,989119.0k $3.0m $3.0m 0.00% Reduced -13.8k -13,774
73 Moors & Cabot, Inc. 0.15% of their portfolio BOSTON, MA 118,526118.5k $3.0m $3.0m 0.15% Added +9.6k +9,550
74 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp 0.02% of their portfolio VICTORIA, A1 117,148117.1k $3.0m $3.0m 0.02% Added +24.1k +24,055
75 Triasima Portfolio Management inc. 0.59% of their portfolio MONTREAL, A8 116,885116.9k $3.0m $3.0m 0.59% Added +82.8k +82,830
76 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 112,769112.8k $2.9m $2.9m 0.00% Added +451 +451
77 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 98,34598.3k $2.5m $2.5m 0.00% Reduced -602 -602
78 NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio NEW YORK, NY 96,44796.4k $2.5m $2.5m 0.00% Reduced -30.9k -30,946
79 PDT Partners, LLC 0.17% of their portfolio New York, NY 92,98993.0k $2.4m $2.4m 0.17% Added +82.6k +82,575
80 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 91,62591.6k $2.3m $2.3m 0.00% Added +5.1k +5,109
81 CAPITAL INTERNATIONAL SARL 0.05% of their portfolio Los Angeles, CA 88,95889.0k $2.3m $2.3m 0.05% Added +21.0k +21,037
82 Vident Advisory, LLC 0.03% of their portfolio Alpharetta, GA 78,89478.9k $2.0m $2.0m 0.03% Reduced -21.7k -21,676
83 MACQUARIE GROUP LTD 0.00% of their portfolio Sydney, NSW 2000, C3 77,43977.4k $2.8m $2.8m 0.00% Added +76.8k +76,793
84 apricus wealth, LLC 1.11% of their portfolio BEAUFORT, SC 73,23973.2k $1.9m $1.9m 1.11% Added +13.7k +13,685
85 TCW GROUP INC 0.02% of their portfolio LOS ANGELES, CA 71,00071.0k $1.8m $1.8m 0.02% New
86 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.01% of their portfolio COLUMBUS, OH 69,36669.4k $1.8m $1.8m 0.01% Reduced -4.6k -4,606
87 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 67,64967.6k $1.7m $1.7m 0.00% Added +47.2k +47,208
88 Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio ZURICH, V8 60,09060.1k $1.5m $1.5m 0.00% Added +2.5k +2,500
89 Greenline Partners, LLC 0.21% of their portfolio NEW YORK, NY 55,90755.9k $1.4m $1.4m 0.21% Reduced -2.2k -2,171
90 OPPENHEIMER & CO INC 0.02% of their portfolio NEW YORK, NY 52,92052.9k $1.4m $1.4m 0.02% New
91 CAPITAL INTERNATIONAL LTD /CA/ 0.06% of their portfolio LOS ANGELES, CA 51,97652.0k $1.3m $1.3m 0.06% Added +11.6k +11,640
92 Heronetta Management, L.P. 0.92% of their portfolio NEW YORK, NY 46,49746.5k $1.7m $1.7m 0.92% Added +6.0k +6,000
93 Capital International, Inc./CA/ 0.01% of their portfolio Los Angeles, CA 44,86844.9k $1.1m $1.1m 0.01% Reduced -12.0k -12,031
94 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 44,50044.5k $1.1m $1.1m 0.00% New
95 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 42,72842.7k $1.1m $1.1m 0.00% Reduced -33.1k -33,063
96 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 40,89540.9k $1.0m $1.0m 0.00% Reduced -162.4k -162,390
97 B. Riley Wealth Advisors, Inc. 0.03% of their portfolio MEMPHIS, TN 39,85039.9k $1.0m $1.0m 0.03% Added +11.2k +11,220
98 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 34,70034.7k $885.0k $885.0k 0.00% New
99 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 34,06934.1k $869.4k $869.4k 0.00% New
100 XTX Topco Ltd 0.04% of their portfolio LONDON, X0 33,93633.9k $866.0k $866.0k 0.04% New