THORNBURG INVESTMENT MANAGEMENT INC

Position in SOBO — South Bow Corp

CIK 1145020 SANTA FE, NM

Position in SOBO

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$121,047,395

+$43,310,729 QoQ

Shares Held

3,632,875

+28.4% QoQ

Ownership

1.74%

of shares outstanding

% of Portfolio

1.27%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2025

5 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Energy · as of Mar 31, 2026

THORNBURG INVESTMENT MANAGEMENT INC holds $624,133,426 across 4 Oil & Gas Midstream names. SOBO ranks #3 (19.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TRP	Tc Energy Corp	4,720,722	$295,517,197
2	ENB	Enbridge Inc	3,641,034	$197,125,580
3	SOBO	South Bow Corp This page	3,632,875	$121,047,395
4	DTM	DT Midstream, Inc.	77,547	$10,443,254

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$121,047,395	3,632,875	+28.4%	Shares	Sole	2026-05-12
2025-12-31	$77,736,666	2,829,875	+41.7%	Shares	Sole	2026-02-13
2025-09-30	$56,503,645	1,997,301	+20.6%	Shares	Sole	2025-11-12
2025-06-30	$42,907,478	1,656,020	+114.5%	Shares	Sole	2025-08-13
2025-03-31	$19,704,043	772,102	—	Shares	Sole	2025-05-08
No filing history on record for this holder in this stock.