One William Street Capital Management, L.P.

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 13, 2025), One William Street Capital Management, L.P. reported 2 stock positions worth $9.7 million. Its top holding was Invesco Senior Loan ETF (BKLN) at 92.2% of the portfolio, followed by New Fortress Energy (NFE, 7.8%). Compared with Q3 2024, it opened 1 new position. The biggest buy was a new position in Invesco Senior Loan ETF (BKLN).

Most Recent 13F
Q2 2026
Location
New York, NY
CIK
0001534300
Portfolio Value
$9.7M (Q4 2024)
SEC Filing
0001172661-25-000755 ↗ filed Feb 13, 2025

Holdings Value

0$20.0M$40.0M$60.0M$80.0M Q1 2024: $66.3M Q1 2024 Q2 2024: $0 Q2 2024 Q3 2024: $455K Q3 2024 Q4 2024: $9.7M $9.7M Q4 2024 Q1 2025: $1.9M Q1 2025 Q2 2025: $32.7M Q2 2025 Q3 2025: $15.6M Q3 2025 Q4 2025: $42.7M Q4 2025 Q1 2026: $52.0M Q1 2026 Q2 2026: $42.3M Q2 2026

Holdings 2 stocks · $9.7M
BKLN Invesco Senior Loan ETF 92.21% 425,000 $9.0M New
NFE New Fortress Energy Inc. 7.79% 50,000 $756K No change

Options reported separately and not counted above: IWM calls ($110.5M), IYR puts ($93.1M).

Portfolio Sells Q3 2024 → Q4 2024
None this quarter.

Portfolio Buys Q3 2024 → Q4 2024
BKLN Invesco Senior Loan ETF New 92.21% +92.21

Options Activity Q3 2024 → Q4 2024
IWM iShares Russell 2000 ETF call New 500,000 $110.5M
IYR iShares US Real Estate ETF put Reduce -50.0% 1,000,000 $93.1M
HYG Ishr Ibx Usd Hiyld CB ETF-Ui put Sold out 1,000,000 $80.3Mbefore exit

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 12$42.3MBKLN, TRTX, VCIT, FLG, ARI
Q1 2026 11$52.0MBKLN, TRTX, VCIT, FLG, SPY
Q4 2025 6$42.7MRSP, FLG, TRTX, HYG, GSBD
Q3 2025 6$15.6MVCIT, TRTX, HOUS, FLG, ADAM
Q2 2025 4$32.7MHYG, BKLN, HOUS, NFE
Q1 2025 2$1.9MHOUS, NFE
Q4 2024 2$9.7MBKLN, NFE
Q3 2024 1$455KNFE
Q2 2024 0$0
Q1 2024 3$66.3MHYG, LQD, HOUS