Arthur Damoulakis

One William Street Capital Management, L.p.

Assets Managed

$1.179B

Holdings

Last Quarter

2026 - Q1

Filed Date

1mo 14d ago

Growth Rate

58.18%(2Q avg: 108.7%)

Sustained Growth

4 quarters

Portfolio positions

This chart displays the top 10 holdings in One William Street Capital Management, L.p.'s 2026 - Q1 portfolio, based on their 13F SEC filing, out of a total of 13 positions.

Assets under management

The assets under management (AUM) of One William Street Capital Management, L.p. over the past 10 years (40 quarters) show continuous growth in total asset value over the last 4 quarters. As of the latest 13F SEC filing for 2026 - Q1, they manage 1.179B in assets, with a quarterly growth rate of 58.18% and a 2-quarter average growth rate of 108.7%. The portfolio is managed by Arthur Damoulakis, and others.

Portfolio holdings

Investment	Portfolio %	Reported Value	Recent Activity
HYG Ishares Iboxx High Yld Corp Recent Activity Increased 53.52%	89.86%	$1.059B↑ Call 13.316M shares@ $79.56 avg price	Increased 53.52%
BKLN Invesco Senior Loan Etf Recent Activity New Position	4.72%	$55.617M↑ Call 2.725M shares@ $20.41 avg price	New Position
SPY Spdr S&p 500 Etf Trust Recent Activity New Position	1.8%	$21.136M 32,500 shares@ $650.34 avg price	New Position
IWM Ishares Russell 2000 Etf Recent Activity Increased 41.67%	0.9%	$10.54M↓ Put 42,500 shares@ $248.0 avg price	Increased 41.67%
TRTX Tpg Re Finance Trust Inc Recent Activity Increased 124.34%	0.71%	$8.357M 1.07M shares@ $7.81 avg price	Increased 124.34%
VCIT Vanguard Int-term Corporate Recent Activity New Position	0.51%	$5.933M 71,700 shares@ $82.75 avg price	New Position
FLG Flagstar Financial Inc Recent Activity	0.45%	$5.268M 400,000 shares@ $13.17 avg price
CUZ Cousins Properties Inc Recent Activity New Position	0.39%	$4.525M 200,500 shares@ $22.57 avg price	New Position
RKT Rocket Cos Inc-class A Recent Activity New Position	0.2%	$2.256M 158,337 shares@ $14.25 avg price	New Position
ARI Apollo Commercial Real Estat Recent Activity New Position	0.18%	$2.112M 200,000 shares@ $10.56 avg price	New Position

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