One William Street Capital Management, L.P.

Position in BXMT — Blackstone Mortgage Trust, Inc.

CIK 1534300 New York, NY

Position in BXMT

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$1,915,000

New position

Shares Held

100,000

first reported quarter

Ownership

0.059%

of shares outstanding

% of Portfolio

6.12%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2026

1 quarter on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Real Estate · as of Mar 31, 2026

One William Street Capital Management, L.P. holds $14,346,780 across 4 REIT - Mortgage names. BXMT ranks #4 (13.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TRTX	TPG RE Finance Trust, Inc.	1,070,000	$8,356,700
2	ARI	Apollo Commercial Real Estate Finance, Inc.	200,000	$2,112,000
3	STWD	Starwood Property Trust, Inc.	114,000	$1,963,080
4	BXMT	Blackstone Mortgage Trust, Inc. This page	100,000	$1,915,000

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,915,000	100,000	—	Shares	Sole	2026-05-14
No filing history on record for this holder in this stock.