One William Street Capital Management, L.P.

CIK: 0001534300Latest portfolio: $745.4M · Q4 2025

Holdings

7

Total Value

$745.4M

New Positions

3

Closed Positions

3

Top Holdings

#StockSharesValue% PortfolioChangeType
1
HYGISHARES TR
8,674,000$699.4M93.82%+5.3MPut
2
RSPINVESCO EXCHANGE TRADED FD T
150,000$28.7M3.85%NEW
3
IWMISHARES TR
30,000$7.4M0.99%NEWPut
4
QC10FLAGSTAR BANK NATIONAL ASSOC
400,000$5.0M0.68%+195K
5
TRTXTPG RE FIN TR INC
476,961$4.1M0.55%+56K
6
GSBDGOLDMAN SACHS BDC INC
80,000$742K0.10%NEW
7
NFENEW FORTRESS ENERGY INC
42,564$48K0.01%

Quarterly Changes

New Positions

Closed Positions

Increased Positions

NameSharesChange
HYG8.7M+5.3M
QC10400K+195K
TRTX477K+56K

Decreased Positions

No decreased positions

Sector Breakdown

Financial Services0.0% ($699384287.3T)
Unknown0.0% ($5.0M)
Real Estate0.0% ($4.1M)
Utilities0.0% ($48K)

Filing History

QuarterFiling DatePortfolio ValueHoldings
Q4 2025Feb 17, 2026$745.4M8
Q3 2025Nov 13, 2025$287.6B7
Q2 2025Aug 13, 2025$54.3B0
Q1 2025May 14, 2025$33.5B6
Q4 2024Feb 13, 2025$213.3B8

Fund Information

CIK0001534300
Most Recent FilingFeb 17, 2026
Number of Filings5

One William Street Capital Management, L.P. is an institutional investment manager that files 13F reports with the SEC. As of the Q4 2025 filing, the fund reported a portfolio valued at $745.4M across 7 holdings. The largest position is ISHARES TR (HYG), representing 93.8% of the portfolio. Compared to the previous quarter, the fund opened 3 new positions and closed 3 positions. 13F filings are required quarterly disclosures that provide transparency into the holdings of institutional investment managers with at least $100 million in qualifying assets.