One William Street Capital Management, L.P.
•CIK: 1534300•Filing: Q4 2025
**One William Street Capital Management, L.P.** manages $741M across a concentrated portfolio of seven positions. The fund exhibits a significant overweight to HYG, representing $695.4M of its total assets. Further notable allocations include RSP at $28.7M and IWM at $7.4M. This structure suggests a tactical focus within the fixed income and broad market equity sectors.
Total AUM
$38.7M
+ $702.7M in options
QoQ Performance
+148.1%
Positions
5
+ 1 option
Top 10 Concentration
100.0%
Latest Filing
Q4 2025
Top Holdings Allocation
HYG
HYG93.8%
RSP3.9%
IWM1.0%
QC100.7%
TRTX0.6%
GSBD0.1%
NFE0.0%
📈 Biggest Buys
📉 Biggest Sells
No reductions this quarter
Sector Breakdown
Other100.0%
🚪 Exited Positionssold since Q3 2025
Changes from Q3 2025
NEW3 new positions
↑3 increased
Historical Filings
Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023