South Bow Corp
SOBO
302 hedge funds and large institutions have $4.4B invested in South Bow Corp in 2026 Q1 according to their latest regulatory filings, with 53 funds opening new positions, 83 increasing their positions, 82 reducing their positions, and 28 closing their positions.
332% more call options, than puts
Call options by funds: $46.7M | Put options by funds: $10.8M
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
89% more first-time investments, than exits
New positions opened: 53 | Existing positions closed: 28
25% more capital invested
Capital invested by funds: $3.51B → $4.4B (+$893M)
7% more funds holding
Funds holding: 281 → 302 (+21)
2.23% more ownership
Funds ownership: 61.26% → 63.49% (+2.2%)
1% more repeat investments, than reductions
Existing positions increased: 83 | Existing positions reduced: 82
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital Research Global Investors
Los Angeles,
California
|
+$312M |
| 2 |
M
Murchinson
Toronto,
Ontario, Canada
|
+$52.4M |
| 3 |
ClearBridge Investments
New York
|
+$42.7M |
| 4 |
Connor, Clark & Lunn Investment Management (CC&L)
Vancouver,
British Columbia, Canada
|
+$35.9M |
| 5 |
TIM
Thornburg Investment Management
Santa Fe,
New Mexico
|
+$24.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital International Investors
Los Angeles,
California
|
-$339M |
| 2 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$37M |
| 3 |
BC
Brookfield Corp
Toronto,
Ontario, Canada
|
-$21.1M |
| 4 |
NIM
NXG Investment Management
Dallas,
Texas
|
-$19M |
| 5 |
American Century Companies
Kansas City,
Missouri
|
-$18.8M |
SOBO Hedge Fund Activity: Q1 2026 in Review
302 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in South Bow Corp (SOBO) for Q1 2026, worth a combined $4.4B — up 25% from $3.51B a quarter earlier.
Buyers outnumbered sellers: 53 funds opened new SOBO positions and 28 closed out — a net gain of 25 holders — while 83 added to existing stakes and 82 trimmed.
The largest buyer was Capital Research Global Investors, opening a new position worth an estimated $312M. The largest seller was Capital International Investors, cutting an estimated $339M.
- 302 institutional investors held South Bow Corp (SOBO) as of Q1 2026, up from 281 in Q4 2025.
- Funds reported $4.4B of South Bow Corp stock for Q1 2026, up 25% quarter-over-quarter.
- 53 funds opened new South Bow Corp positions in Q1 2026 and 28 closed out, a net change of +25 holders.
- The largest South Bow Corp buyer in Q1 2026 was Capital Research Global Investors, an estimated $312M added.
- The largest South Bow Corp seller in Q1 2026 was Capital International Investors, an estimated $339M sold.
Based on aggregated 13F filings for Q1 2026.