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
Loading…
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 | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
HYG
PUT
ISHARES TR
|
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%
|
2018 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | ||
|
BKLN
CALL
INVESCO EXCH TR...
|
CALL Option | 3.46% | — |
#2
Prev: #—
|
6.4 |
—
|
2,000,000 | — |
NEW
|
2,000,000 | $40,820,000 |
$19.96
+2.5%
|
2024 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | ||
|
HYG
CALL
ISHARES TR
|
CALL Option | 3.37% | — |
#3
Prev: #—
|
5.8 |
—
|
500,000 | — |
NEW
|
500,000 | $39,780,000 |
$76.29
+4.3%
|
2018 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | ||
|
SPY
PUT
STATE STR SPDR ...
|
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
PUT
ISHARES TR
|
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