One William Street Capital Management, L.P. — 13F Holdings

2026 Q1  ·  19 Positions

2026 Q1 Portfolio Activity

In 2026 Q1, One William Street Capital Management, L.P. maintained a portfolio of 19 distinct positions. The most significant new addition was INVESCO EXCH TRADED FD TR II, now representing 3.46% of the total fund value. They heavily accumulated shares in ISHARES TR, increasing the position by 25531.8%. The fund also reduced its exposure to ISHARES TR by 94.2%.
Position History hover any row below to update
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PCA Score Concentration Risk
Risk ENB
Total Positions
19
Quarter
2026 Q1
Top Holding
HYG (86.5%)
Top 10 Concentration
98.9%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-19 of 19

One William Street Capital Management, L.P. Full Holdings List — 2026 Q1

Stock History Sector / Type Port % Prev % Rank / Prev Conviction
Freshness
Change % Change Influence Shares Mkt Value Avg Cost Price Held 1st Owned Source Source Date Date Reported
HYG
ISHARES TR
PUT
PUT Option 86.48% 93.28% #1
Prev: #1
8.5
4,191,900 48.6%
P
S
12,815,900 $1,019,633,004
$76.29 +4.3%
$78.36 +1.5%
2018 Q4 13F Filing 2026-03-31 2026-05-14
BKLN
INVESCO EXCH TR...
CALL
CALL Option 3.46% #2
Prev: #—
6.4
2,000,000
NEW
2,000,000 $40,820,000
$19.96 +2.5%
$20.21 +1.3%
2024 Q4 13F Filing 2026-03-31 2026-05-14
HYG
ISHARES TR
CALL
CALL Option 3.37% #3
Prev: #—
5.8
500,000
NEW
500,000 $39,780,000
$76.29 +4.3%
$78.36 +1.5%
2018 Q4 13F Filing 2026-03-31 2026-05-14
SPY
STATE STR SPDR ...
PUT
PUT Option 1.38% #4
Prev: #—
4.6
25,000
NEW
25,000 $16,258,500 2025 Q2 13F Filing 2026-03-31 2026-05-14
BKLN
INVESCO EXCH TR...
ETF 1.26% #5
Prev: #—
4.5
725,000
NEW
725,000 $14,797,250 2024 Q4 13F Filing 2026-03-31 2026-05-14
IWM
ISHARES TR
PUT
PUT Option 0.89% 0.99% #6 3
Prev: #3
2.9
12,500 41.7%
P
S
42,500 $10,540,000 2023 Q4 13F Filing 2026-03-31 2026-05-14
TRTX
TPG RE FIN TR I...
Real Estate 0.71% 0.55% #7 2
Prev: #5
3.3
593,039 124.3%
P
S
1,070,000 $8,356,700 2025 Q3 13F Filing 2026-03-31 2026-05-14
VCIT
VANGUARD SCOTTS...
Bond/Debt 0.50% #8
Prev: #—
3.7
71,700
NEW
71,700 $5,933,175 2022 Q4 13F Filing 2026-03-31 2026-05-14
FLG
FLAGSTAR BANK N...
Financial Services 0.45% 0.68% #9 5
Prev: #4
1.2
no change no change
P
S
400,000 $5,268,000 2025 Q3 13F Filing 2026-03-31 2026-05-14
SPY
STATE STR SPDR ...
ETF 0.41% #10
Prev: #—
3.7
7,500
NEW
7,500 $4,877,550 2025 Q2 13F Filing 2026-03-31 2026-05-14
CUZ
COUSINS PPTYS I...
Real Estate 0.38% #11
Prev: #—
3.7
200,500
NEW
200,500 $4,525,285 2026 Q1 13F Filing 2026-03-31 2026-05-14
RKT
ROCKET COS INC
Financial Services 0.19% #12
Prev: #—
3.6
158,337
NEW
158,337 $2,256,302 2026 Q1 13F Filing 2026-03-31 2026-05-14
ARI
APOLLO COML REA...
Real Estate 0.18% #13
Prev: #—
3.6
200,000
NEW
200,000 $2,112,000 2026 Q1 13F Filing 2026-03-31 2026-05-14
STWD
STARWOOD PPTY T...
Real Estate 0.17% #14
Prev: #—
3.6
114,000
NEW
114,000 $1,963,080 2026 Q1 13F Filing 2026-03-31 2026-05-14
BXMT
BLACKSTONE MORT...
Real Estate 0.16% #15
Prev: #—
3.6
100,000
NEW
100,000 $1,915,000 2018 Q4 13F Filing 2026-03-31 2026-05-14
NFE
NEW FORTRESS EN...
Energy 0.00% 0.01% #16 8
Prev: #8
1.0
no change no change
P
S
42,564 $25,113 2024 Q3 13F Filing 2026-03-31 2026-05-14
GSBD
GOLDMAN SACHS B...
Financial Services 0.00% 0.10%
Sold All 😨
(Was: #7)
0.0
-80,000 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-03-31 2026-05-14
HYG
ISHARES TR
ETF 0.00% 0.54%
Sold All 😨
(Was: #6)
0.0
-50,000 -100.0%
CLOSED
$— 2018 Q4 13F Filing 2026-03-31 2026-05-14
RSP
INVESCO EXCHANG...
Unknown 0.00% 3.85%
Sold All 😨
(Was: #2)
0.0
-150,000 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-03-31 2026-05-14
Showing 1-19 of 19 holdings

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