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KING STREET CAPITAL MANAGEMENT, L.P.

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13F filer, CIK 1218199, New York, NY

KING STREET CAPITAL MANAGEMENT, L.P. reported $328,014,334 across 11 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15. Its ten largest share positions make up 98.12% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001172661-26-002091

Period
2026-03-31
Reported value
$328M
Holdings
11
Top 10 weight
98.12%
New
5
Sold out
6

Part of the filer group KING STREET CAPITAL MANAGEMENT, L.P.

How groups are built

Stakes and trades reported after 2026-03-31

13D, 13G and Form 4 filings by this filer's group, dated after the 13F period, on securities the quarter does not hold as shares.

  • NFEGP NEW FORTRESS ENERGY INC: 13G 301,730 shares, 12.3% of the class, 13G filed 2026-10-07, 0000895345-26-000449Timeline
    Accepted , ingested

Largest buys vs the previous quarter

SecurityShares changeApprox. value
BXSLnew+1,250,000$29.6M
XLInew+116,660$18.9M
TLNnew+47,000$15M
VGnew+890,000$14M
UWMCadded+3,205,000$11.6M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
BAPRAexited-1,706,000-$118M
BAreduced-405,645-$80.7M
LPLAexited-104,000-$37.1M
NLYexited-1,426,225-$31.9M
AGNCreduced-2,636,000-$26.4M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001172661-26-002091, largest first. % of portfolio is the value over $328,014,334, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
SGRYSURGERY PARTNERS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,450,000 shares; 2024Q4: 2,800,000 shares; 2025Q1: 5,000,000 shares; 2025Q2: 6,225,000 shares; 2025Q3: 9,339,930 shares; 2025Q4: 10,229,730 shares; 2026Q1: 10,229,730 shares 10,229,730$122M37.17%0Timeline
BABOEING COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 500,000 shares; 2025Q1: 900,000 shares; 2025Q2: 750,000 shares; 2025Q3: 584,000 shares; 2025Q4: 664,000 shares; 2026Q1: 258,355 shares 258,355$51.4M15.68%-405,645Timeline
BXSLBLACKSTONE SECD LENDING FDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 1,250,000 shares 1,250,000$29.6M9.03%newTimeline
UWMCUWM HOLDINGS CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 2,800,000 shares; 2025Q4: 4,594,000 shares; 2026Q1: 7,799,000 shares 7,799,000$28.2M8.61%+3,205,000Timeline
UNITUNITI GROUP LLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 4,491,482 shares; 2025Q4: 2,498,226 shares; 2026Q1: 2,498,226 shares 2,498,226$23.4M7.14%0Timeline
XLISELECT SECTOR SPDR TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 116,660 shares 116,660$18.9M5.75%newTimeline
TLNTALEN ENERGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 47,000 shares 47,000$15M4.57%newTimeline
VGVENTURE GLOBAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 890,000 shares 890,000$14M4.28%newTimeline
OPTUOPTIMUM COMMUNICATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 2,500,000 shares; 2024Q4: 2,500,000 shares; 2025Q1: 3,800,000 shares; 2025Q2: not reported; 2025Q3: 4,038,574 shares; 2025Q4: 8,032,126 shares; 2026Q1: 8,032,126 shares 8,032,126$10.4M3.18%0Timeline
VSTVISTRA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 59,000 shares 59,000$8.87M2.7%newTimeline
AGNCAGNC INVT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 1,325,000 shares; 2025Q4: 3,251,000 shares; 2026Q1: 615,000 shares 615,000$6.17M1.88%-2,636,000Timeline

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
BAPRABOEING CO1,706,000$118Mshares
PG&E CORPPG&E CORP110,000,000$114Mprincipal
LPLALPL FINL HLDGS INC104,000$37.1Mshares
NLYANNALY CAPITAL MANAGEMENT IN1,426,225$31.9Mshares
ALLYALLY FINL INC438,500$19.9Mshares
RHRH87,000$15.6Mshares

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001172661-26-002091 base2026-05-15acceptance time not in the bulk data set