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One William Street Capital Management, L.P.

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13F filer, CIK 1534300, New York, NY

One William Street Capital Management, L.P. reported $213,250,750 across 4 holdings for the quarter ended 2024-12-31, in a 13F-HR filed 2025-02-13.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001172661-25-000755

Period
2024-12-31
Reported value
$213M
Holdings
4
Top 10 weight
100%
New
2
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
BKLNnew+425,000$8.95M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

None.

Holdings, Q4 2024

Share positions as resolved from 13F-HR 0001172661-25-000755, largest first. % of portfolio is the value over $9,710,750, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
BKLNINVESCO EXCH TRADED FD TR IIQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 425,000 shares 425,000$8.95M92.21%newTimeline
NFENEW FORTRESS ENERGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 50,000 shares; 2024Q4: 50,000 shares 50,000$756K7.79%0Timeline

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
IWMISHARES TR SHScall500,000$110Mnew
IYRISHARES TR U.S. REAL ES ETFput1,000,000$93.1M-1,000,000

Sold out in Q4 2024

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
HYGISHARES TR1,000,000$80.3Mput

How Q4 2024 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001172661-25-000755 base2025-02-13acceptance time not in the bulk data set