Ticker · CUSIP 83671M105

SOBO

SOUTH BOW CORP

Energy·Oil & Gas Midstream

···Share

Holders (tracked)

Combined shares

9,205,042

Combined value

$252.90M

Last close

$32.07

Quarter

2025Q4

Price is +16.7% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$32.07+8.29 (+34.84%)H $33.85 · L $23.33 · Avg Vol 853K

Position opened

Tracked holders · last 8 quarters

-1 vs previous quarter over the last 5.

SEC event timeline

13 events

Ken Griffin (Citadel Advisors) added2026-02-17
+677,279 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2026-02-17
−335,005 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−4,978 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+195,978 shares · 2025Q4
Position
T. Rowe Price trimmed2026-02-17
−2,676,370 shares · 2025Q4
Position
Renaissance Technologies exited2026-02-12
−239,180 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+893,176 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+2,066 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+623,189 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+281,600 shares · 2025Q3
Position
T. Rowe Price trimmed2025-11-14
−3,683,898 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+75,300 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−1,010,469 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for SOBO →

Follow-the-investor returns

If you'd copied each holder of SOBO…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
T. Rowe Price	2024Q4	$23.65	+35.6%	$207.0M
Norges Bank (Norway SWF)	2024Q4	$23.90	+34.2%	$28.6M
D.E. Shaw & Co.	2024Q4	$27.16	+18.1%	$296K
D.E. Shaw & Co.	2024Q4	$27.16	+18.1%	$296K
Izzy Englander (Millennium Mgmt)	2025Q2	$27.20	+17.9%	$7.7M
Two Sigma Investments	2024Q4	$27.39	+17.1%	$24.6M
Ken Griffin (Citadel Advisors)	2024Q4	$27.44	+16.9%	$22.5M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions1

Norges Bank (Norway SWF)
+893,176
$24.6M

Added to2

Ken Griffin (Citadel Advisors)
+677,279
$18.6M
Izzy Englander (Millennium Mgmt)
+195,978
$5.4M

Trimmed3

D.E. Shaw & Co.
−335,005
$9.2M
Two Sigma Investments
−4,978
$137K
T. Rowe Price
−2,676,370
$74K

Exited1

Renaissance Technologies
−239,180
$6.8M

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2024Q4	8	14,321,632	$337.6M	—
2025Q1	8	13,363,976	$341.1M	—
2025Q2	10	14,432,270	$374.0M	+2
2025Q3	8	10,712,242	$303.0M	-2
2025Q4	7	9,205,042	$252.9M	-1

Who owns SOBO

7 super-investors · 2025Q4

Tracked stake

9.21M

Combined value

$253M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New1Added2Trim4

#	Manager	Shares	Value	% of book	Last action
1	T. Rowe Price	6.46M	$177M	0.0%	Trim−2.68M
2	Norges Bank Norway SWF	893.2K	$25M	0.0%	New+893.2K
3	Two Sigma Investments	765.9K	$21M	0.0%	Trim−5.0K
4	Ken Griffin Citadel Advisors	700.2K	$19M	0.0%	Added+677.3K
5	Izzy Englander Millennium Mgmt	240.5K	$7M	0.0%	Added+196.0K
6	D.E. Shaw & Co.	140.0K	$4M	0.0%	Trim−335.0K
7	D.E. Shaw & Co.	9.2K	$254K	0.0%	Trim−335.0K

Recent moves

20 transactions

ADDKen Griffin (Citadel Advisors)
+677,279 · 2025Q4
TRIMD.E. Shaw & Co.
−335,005 · 2025Q4
TRIMTwo Sigma Investments
−4,978 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+195,978 · 2025Q4
TRIMT. Rowe Price
−2,676,370 · 2025Q4
SOLDRenaissance Technologies
−239,180 · 2025Q4
NEWNorges Bank (Norway SWF)
+893,176 · 2025Q4
ADDTwo Sigma Investments
+623,189 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+2,066 · 2025Q3
TRIMT. Rowe Price
−3,683,898 · 2025Q3
ADDD.E. Shaw & Co.
+281,600 · 2025Q3
ADDRenaissance Technologies
+75,300 · 2025Q3
SOLDNorges Bank (Norway SWF)
−1,010,469 · 2025Q3
TRIMTwo Sigma Investments
−276,183 · 2025Q2
SOLDSteve Cohen (Point72)
−20,641 · 2025Q2
ADDD.E. Shaw & Co.
+19,904 · 2025Q2
NEWIzzy Englander (Millennium Mgmt)
+42,431 · 2025Q2
ADDT. Rowe Price
+199,157 · 2025Q2
NEWNorges Bank (Norway SWF)
+1,010,469 · 2025Q2
ADDRenaissance Technologies
+119,380 · 2025Q2

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