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One William Street Capital Management Portfolio holdings

AUM $242M
1-Year Est. Return 39.68%
This Fund
S&P 500
This Quarter Est. Return
+1.51%
1 Year Est. Return
+39.68%
3 Year Est. Return
-44.04%
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$745M
AUM Growth
+$458M
Cap. Flow
+$26.6M
Cap. Flow %
3.57%
Top 10 Hldgs %
100%
Holding
11
New
4
Increased
3
Reduced
–
Closed
3
Avg Time Held Equity + Options
1 quarter
Top 10 Avg Time Held Equity + Options
1 quarter
Top 20 Avg Time Held Equity + Options
1 quarter
Avg Time Held Equity only
1.2 quarters
Top 10 Avg Time Held Equity only
1.2 quarters
Top 20 Avg Time Held Equity only
1.2 quarters

Sector Composition

Rank Sector Weight
1 Miscellaneous 98.67%
2 Financials 0.78%
3 Real Estate 0.55%
4 Energy 0.01%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow Held Since
HYG icon
1
PUT
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$17.3B
$695M 93.28%
8,624,000
+5,274,000
+157% +$425M
2025 Q3
1 quarter
RSP icon
2
Invesco S&P 500 Equal Weight ETF
RSP
$97B
$28.7M 3.85%
+150,000
New +$28.5M
2025 Q4
0 quarters
IWM icon
3
PUT
iShares Russell 2000 ETF
IWM
$77B
$7.38M 0.99%
+30,000
New +$7.38M
2025 Q4
0 quarters
FLG
4
Flagstar Bank National Association
FLG
$4.72B
$5.04M 0.68%
400,000
+195,000
+95% +$2.33M
2025 Q3
1 quarter
TRTX
5
TPG RE Finance Trust
TRTX
$458M
$4.11M 0.55%
476,961
+56,291
+13% +$499K
2025 Q3
1 quarter
HYG icon
6
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$17.3B
$4.03M 0.54%
+50,000
New +$4.03M
2025 Q4
0 quarters
GSBD icon
7
Goldman Sachs BDC
GSBD
$1B
$742K 0.1%
+80,000
New +$785K
2025 Q4
0 quarters
NFE icon
8
New Fortress Energy
NFE
$24.9M
$48.5K 0.01%
851
– –
2024 Q3
5 quarters
HOUS
9
DELISTED
Anywhere Real Estate
HOUS
– –
-268,996
Closed -$2.85M –
ADAM
10
Adamas Trust
ADAM
$689M
– –
-92,182
Closed -$643K –
VCIT icon
11
Vanguard Intermediate-Term Corporate Bond ETF
VCIT
$67.8B
– –
-71,700
Closed -$6.03M –

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One William Street Capital Management's Q4 2025 Portfolio in Review

As of Q4 2025, One William Street Capital Management held 11 positions worth $745M, up 159% from $288M the previous quarter. Its ten largest holdings account for 100% of the portfolio.

One William Street Capital Management deployed $26.6M of net new capital in Q4 2025, opening 4 new positions and adding to 3 existing holdings. Its largest new stake was Invesco S&P 500 Equal Weight ETF: 150,000 shares worth $28.7M.

By sector, the portfolio is most concentrated in Miscellaneous at 99% of assets, up from 97% a quarter earlier, followed by Financials and Real Estate.

On the sell side, the most notable exit was Vanguard Intermediate-Term Corporate Bond ETF, an estimated $6.03M sold.

  • One William Street Capital Management's largest Q4 2025 buy was Invesco S&P 500 Equal Weight ETF: 150,000 shares worth $28.7M.
  • One William Street Capital Management added most to Flagstar Bank National Association in Q4 2025, an estimated $2.33M increase.
  • One William Street Capital Management fully exited Vanguard Intermediate-Term Corporate Bond ETF in Q4 2025, selling an estimated $6.03M.
  • One William Street Capital Management's ten largest holdings make up 100% of its $745M portfolio in Q4 2025.
  • One William Street Capital Management opened 4 new positions and closed 3 in Q4 2025.
  • One William Street Capital Management's portfolio value rose 159% quarter-over-quarter to $745M.

Based on One William Street Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.