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

2026 Q2  ·  18 Positions

2026 Q2 Portfolio Activity

In 2026 Q2, One William Street Capital Management, L.P. maintained a portfolio of 18 distinct positions. The most significant new addition was KKR REAL ESTATE FIN TR INC, now representing 0.57% of the total fund value. They heavily accumulated shares in ISHARES TR, increasing the position by 200.0%. The fund also reduced its exposure to ISHARES TR by 93.0%.
Position History hover any row below to update
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PCA Score Concentration Risk
Risk ENB
Total Positions
18
Quarter
2026 Q2
Top Holding
HYG (49.5%)
Top 10 Concentration
98.5%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-18 of 18

One William Street Capital Management, L.P. Full Holdings List — 2026 Q2

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 49.47% 86.48% #1
Prev: #1
6.0
-11,315,900 -88.3%
P
S
1,500,000 $119,955,000 2018 Q4 13F Filing 2026-06-30 2026-08-14
HYG
ISHARES TR
CALL
CALL Option 29.68% 3.37% #2 1
Prev: #3
8.5
400,000 80.0%
P
S
900,000 $71,973,000 2018 Q4 13F Filing 2026-06-30 2026-08-14
BKLN
INVESCO EXCH TR...
ETF 6.48% 1.26% #3 2
Prev: #5
5.6
45,977 6.3%
P
S
770,977 $15,704,801 2024 Q4 13F Filing 2026-06-30 2026-08-14
TRTX
TPG RE FIN TR I...
Real Estate 3.69% 0.71% #4 3
Prev: #7
3.0
no change no change
P
S
1,070,000 $8,955,900 2025 Q3 13F Filing 2026-06-30 2026-08-14
IWM
ISHARES TR
PUT
PUT Option 3.41% 0.89% #5 1
Prev: #6
1.9
-15,000 -35.3%
P
S
27,500 $8,262,375 2023 Q4 13F Filing 2026-06-30 2026-08-14
VCIT
VANGUARD SCOTTS...
Bond/Debt 2.44% 0.50% #6 2
Prev: #8
2.0
no change no change
P
S
71,700 $5,926,005 2022 Q4 13F Filing 2026-06-30 2026-08-14
FLG
FLAGSTAR BANK N...
Financial Services 0.96% 0.45% #7 2
Prev: #9
0.4
-244,000 -61.0%
P
S
156,000 $2,330,640 2025 Q3 13F Filing 2026-06-30 2026-08-14
ARI
APOLLO COML REA...
Real Estate 0.88% 0.18% #8 5
Prev: #13
1.4
no change no change
P
S
200,000 $2,136,000 2026 Q1 13F Filing 2026-06-30 2026-08-14
STWD
STARWOOD PPTY T...
Real Estate 0.77% 0.17% #9 5
Prev: #14
1.3
no change no change
P
S
114,000 $1,867,320 2026 Q1 13F Filing 2026-06-30 2026-08-14
BXMT
BLACKSTONE MORT...
Real Estate 0.70% 0.16% #10 5
Prev: #15
1.3
no change no change
P
S
100,000 $1,695,000 2018 Q4 13F Filing 2026-06-30 2026-08-14
KREF
KKR REAL ESTATE...
Real Estate 0.57% #11
Prev: #—
3.7
202,000
NEW
202,000 $1,381,680 2026 Q2 13F Filing 2026-06-30 2026-08-14
SVC
SERVICE PPTYS T...
Bond/Debt 0.44% #12
Prev: #—
3.7
630,000
NEW
630,000 $1,064,700 2026 Q2 13F Filing 2026-06-30 2026-08-14
CUZ
COUSINS PPTYS I...
Real Estate 0.25% 0.38% #13 2
Prev: #11
0.1
-179,915 -89.7%
P
S
20,585 $617,138 2026 Q1 13F Filing 2026-06-30 2026-08-14
RKT
ROCKET COS INC
Financial Services 0.25% 0.19% #14 2
Prev: #12
0.1
-120,030 -75.8%
P
S
38,307 $603,335 2026 Q1 13F Filing 2026-06-30 2026-08-14
NFE
NEW FORTRESS EN...
Energy 0.01% 0.00% #15 1
Prev: #16
1.0
no change no change
P
S
42,564 $15,455 2024 Q3 13F Filing 2026-06-30 2026-08-14
SPY
STATE STR SPDR ...
ETF 0.00% 0.41%
Sold All 😨
(Was: #10)
0.0
-7,500 -100.0%
CLOSED
$— 2025 Q2 13F Filing 2026-06-30 2026-08-14
SPY
STATE STR SPDR ...
PUT
PUT Option 0.00% 1.38%
Sold All 😨
(Was: #4)
0.0
-25,000 -100.0%
CLOSED
$— 2025 Q2 13F Filing 2026-06-30 2026-08-14
BKLN
INVESCO EXCH TR...
CALL
CALL Option 0.00% 3.46%
Sold All 😨
(Was: #2)
0.0
-2,000,000 -100.0%
CLOSED
$— 2024 Q4 13F Filing 2026-06-30 2026-08-14
Showing 1-18 of 18 holdings

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