13F Portfolios

One William Street Capital Management 13F: Quarter-over-Quarter Portfolio Changes

One William Street Capital Management reported a disclosed portfolio value of approximately $42.3 million in its latest SEC Form 13F-HR filing for Q2 2026, down 18.7% quarter on quarter. Over the quarter, the fund initiated 2 new positions, bought more shares in 1 holding, trimmed 3 holdings, and exited 1 position.

One William Street Capital Management's top buy was Invesco Exch Traded Fd Tr II (BKLN) . The fund bought 6.3% more shares, lifting the position's portfolio weight by 8.7 percentage points. Its top sell was State Str Spdr S&p 500 ETF T (SPY) . The fund exited the position completely after it had accounted for 9.4% of the previous portfolio.

New PositionsQ2 2026

Securities disclosed for the first time in Q2 2026 that were not present in the prior 13F-HR filing.

One William Street Capital Management new positions in Q2 2026, representing first-time disclosed long equity stakes
CompanyTickerInitial Portfolio WeightHistory
KKR REAL ESTATE FIN TR INCKREF3.3%History →
SERVICE PPTYS TRSVC2.5%History →

Top BuysQ2 2026

The fund's top buys among existing positions in Q2 2026. Ranked by portfolio-weight impact, with the percentage of additional shares shown separately.

One William Street Capital Management top buys in existing positions in Q2 2026
CompanyTickerPortfolio Weight ChangeMore SharesHistory
INVESCO EXCH TRADED FD TR IIBKLN+8.7%+6.3%History →

Top SellsQ2 2026

The fund's top sells among positions it retained in Q2 2026. Ranked by portfolio-weight impact. Full exits are listed separately.

One William Street Capital Management top sells in existing positions in Q2 2026
CompanyTickerPortfolio Weight ChangeShares SoldHistory
COUSINS PPTYS INCCUZ-7.2%89.7%History →
ROCKET COS INCRKT-2.9%75.8%Holders →
FLAGSTAR BANK NATIONAL ASSOCFLG-4.6%61.0%History →

Full ExitsQ2 2026

Positions present in the prior 13F-HR filing that no longer appear in Q2 2026.

One William Street Capital Management full exits in Q2 2026
CompanyTickerLast-Reported Portfolio Weight
STATE STR SPDR S&P 500 ETF TSPY9.4%
Latest

Net Portfolio Value ChangeQ2 2026

  • $0.1B
    Prior quarter
  • $0.0B
    Current quarter
  • $-0.0B
    Net delta
  • -18.7%
    % change

Methodology & FAQ

How One William Street Capital Management Quarterly Changes Are Computed

All deltas are sourced from sequential SEC Form 13F-HR filings for One William Street Capital Management: each row joins the most recent filing against the immediately preceding quarterly filing for the same fund. Share-count changes reflect reported trading activity, while portfolio weights can also move because of market price changes. Portfolio weights are normalized to exclude listed options for comparability. A complete description, including how confidential treatment filings are handled, is documented in the Methodology.

What stocks did One William Street Capital Management buy in Q2 2026?

In Q2 2026, One William Street Capital Management initiated 2 new positions (KKR REAL ESTATE FIN TR INC (KREF), SERVICE PPTYS TR (SVC)); bought more shares of INVESCO EXCH TRADED FD TR II (BKLN).

What stocks did One William Street Capital Management sell in Q2 2026?

In Q2 2026, One William Street Capital Management fully sold 1 position (STATE STR SPDR S&P 500 ETF T (SPY)); reduced holdings in COUSINS PPTYS INC (CUZ), ROCKET COS INC (RKT), FLAGSTAR BANK NATIONAL ASSOC (FLG).

Which positions did One William Street Capital Management initiate in Q2 2026?

One William Street Capital Management established 2 new positions in Q2 2026: KKR REAL ESTATE FIN TR INC (KREF, 3.3%), SERVICE PPTYS TR (SVC, 2.5%).

Which existing positions saw the largest allocation increases for One William Street Capital Management in Q2 2026?

Of 1 existing position with share-count increases in Q2 2026, the largest were: INVESCO EXCH TRADED FD TR II (BKLN, +8.7% weight, +6.3% shares).

Which positions did One William Street Capital Management fully exit in Q2 2026?

One William Street Capital Management fully exited 1 position in Q2 2026: STATE STR SPDR S&P 500 ETF T (SPY, last-reported weight 9.4%).

Which existing positions saw the largest allocation reductions for One William Street Capital Management in Q2 2026?

Of 3 existing positions with share-count reductions in Q2 2026, the largest were: COUSINS PPTYS INC (CUZ, -7.2% weight, -89.7% shares), ROCKET COS INC (RKT, -2.9% weight, -75.8% shares), FLAGSTAR BANK NATIONAL ASSOC (FLG, -4.6% weight, -61.0% shares).

Do quarter-over-quarter 13F allocation changes constitute explicit trading signals?

No. Quarter-over-quarter changes reflect a combination of active trading and market price movement. A weight increase can result from price appreciation alone, without the manager adding shares. Share-count delta is the cleaner indicator of explicit trading activity. All deltas on this page are sourced from sequential SEC Form 13F-HR filings.