KING STREET CAPITAL MANAGEMENT, L.P.

Fundamental concentrated ★Signal CIK 1218199
League rank
#395
in Fundamental concentrated · #1014 overall
Long book
$328.0M
Q1 2026
Positions
11
Top-10 weight
98%
concentration
Last quarter
+17.0%
SPY +14.8%
Turnover
63%
of book per quarter

Strategy in plain words

auto-generated from filings

KING STREET CAPITAL MANAGEMENT, L.P. is a concentrated fundamental stock-picker, running a $328.0M US long book across 11 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: SURGERY PARTNERS INC, BOEING CO/THE, BLACKSTONE SECURED LENDING F, UWM HOLDINGS CORP, UNITI GROUP INC.

Over the last 9 quarters its long book ran on average 0.2pp per quarter ahead of the S&P 500, beating the index in 4 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
+11.4%
Q2 2024
+49.9%
Q3 2024
-20.9%
Q4 2024
-2.6%
Q1 2025
+7.3%
Q2 2025
+5.3%
Q3 2025
-12.4%
Q4 2025
-12.5%
Q1 2026
+17.0%

Sector allocation

Healthcare
40%
Industrials
17%
Utilities
13%
Communications
11%
Other
10%
Financials
9%

Long book by quarter

$46.8M
Q1 2024
$37.6M
Q2 2024
$113.0M
Q3 2024
$426.7M
Q4 2024
$470.9M
Q1 2025
$486.5M
Q2 2025
$618.4M
Q3 2025
$610.8M
Q4 2025
$328.0M
Q1 2026

What does KING STREET own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
SGRY SURGERY PARTNERS INCHealthcare10.2M$121.9M37.2%Held
BA BOEING CO/THEIndustrials258.4K$51.4M15.7%-61.1%
BXSL BLACKSTONE SECURED LENDING F1.3M$29.6M9.0%New
UWMC UWM HOLDINGS CORPFinancials7.8M$28.2M8.6%+69.8%
UNIT UNITI GROUP INCCommunications2.5M$23.4M7.1%Held
TLN TALEN ENERGY CORPUtilities47.0K$15.0M4.6%New
VG VENTURE GLOBAL INC-CL AUtilities890.0K$14.0M4.3%New
OPTU OPTIMUM COMMUNICATIONS INC-ACommunications8.0M$10.4M3.2%Held
VST VISTRA CORPUtilities59.0K$8.9M2.7%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 15, 202611$328.0M canonicalSEC ↗
Q4 202513F-HRFeb 17, 202612$724.3M canonicalSEC ↗
Q3 202513F-HRNov 14, 202518$2.34B canonicalSEC ↗
Q2 202513F-HRAug 14, 202512$1.05B canonicalSEC ↗
Q1 202513F-HRMay 15, 202514$861.7M canonicalSEC ↗
Q4 202413F-HRFeb 14, 202515$659.2M canonicalSEC ↗
Q3 202413F-HR/ARESTATEMENTNov 18, 202410$144.8M canonicalSEC ↗
Q3 202413F-HRNov 13, 202411$146.8M SEC ↗
Q2 202413F-HRAug 14, 202410$192.4M SEC ↗
Q2 202413F-HR/ARESTATEMENTAug 14, 20248$79.5M canonicalSEC ↗
Q1 202413F-HRMay 15, 20248$344.7M canonicalSEC ↗