LONESTAR CAPITAL MANAGEMENT LLC

Fundamental concentrated ★Signal CIK 1317410
League rank
#883
in Fundamental concentrated · #7104 overall
Long book
$186.0M
Q1 2026
Positions
26
Top-10 weight
58%
concentration
Last quarter
+4.3%
SPY +14.8%
Turnover
36%
of book per quarter

Strategy in plain words

auto-generated from filings

LONESTAR CAPITAL MANAGEMENT LLC is a concentrated fundamental stock-picker, running a $186.0M US long book across 26 positions.

The portfolio is concentrated: the top 10 names carry 58% of the portfolio. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: ENERGY TRANSFER LP, GARRETT MOTION INC, CELANESE CORP, DIVERSIFIED HEALTHCARE TRUST, TALEN ENERGY CORP.

Over the last 9 quarters its long book ran on average 1.2pp per quarter ahead of the S&P 500, beating the index in 5 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
+1.2%
Q2 2024
+6.8%
Q3 2024
+0.0%
Q4 2024
-8.9%
Q1 2025
+18.2%
Q2 2025
+12.0%
Q3 2025
+4.2%
Q4 2025
+13.1%
Q1 2026
+4.3%

Sector allocation

Utilities
31%
Industrials
18%
Energy
16%
Materials
13%
Services media
8%
Healthcare
6%
Other
3%
Consumer discretionary
2%

Long book by quarter

$96.6M
Q1 2024
$89.8M
Q2 2024
$114.1M
Q3 2024
$119.5M
Q4 2024
$80.5M
Q1 2025
$115.1M
Q2 2025
$143.9M
Q3 2025
$186.9M
Q4 2025
$186.0M
Q1 2026

What does LONESTAR CAPITAL own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
ET ENERGY TRANSFER LPUtilities900.0K$17.4M9.3%-3.1%
GTX GARRETT MOTION INCIndustrials800.0K$14.5M7.8%-11.1%
CE CELANESE CORPMaterials200.0K$13.2M7.1%-14.9%
TLN TALEN ENERGY CORPUtilities30.0K$9.6M5.1%+87.5%
EXE EXPAND ENERGY CORPEnergy85.0K$9.3M5.0%+13.3%
BKD BROOKDALE SENIOR LIVING INCHealthcare660.0K$9.0M4.9%Held
DCH DAUCH CORPORATIONIndustrials1.5M$8.9M4.8%-30.4%
NRG NRG ENERGY INCUtilities60.0K$8.8M4.7%+62.2%
VST VISTRA CORPUtilities50.0K$7.5M4.0%+108.3%
DOW DOW INCMaterials180.0K$7.5M4.0%+20.0%
PCG P G & E CORPUtilities380.0K$6.7M3.6%-30.9%
LINC LINCOLN EDUCATIONAL SERVICESServices media150.0K$6.1M3.3%-25.0%
RIG TRANSOCEAN LTDEnergy900.0K$6.0M3.2%-50.0%
GSL GLOBAL SHIP LEASE INC-CL AIndustrials160.0K$6.0M3.2%Held
EQT EQT CORPEnergy90.0K$5.7M3.1%+50.0%
LYB LYONDELLBASELL INDU-CL AOther60.0K$4.8M2.6%New
SDRL SEADRILL LIMITEDEnergy100.0K$4.5M2.4%-50.0%
TH TARGET HOSPITALITY CORPServices media375.0K$3.5M1.9%-25.0%
UTI UNIVERSAL TECHNICAL INSTITUTServices media85.0K$3.1M1.6%New
POOL POOL CORPConsumer discretionary15.0K$3.0M1.6%New
LUMN LUMEN TECHNOLOGIES INCCommunications425.0K$3.0M1.6%-19.0%
SMCI SUPER MICRO COMPUTER INCTechnology45.0K$1.0M0.6%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 15, 202632$670.8M canonicalSEC ↗
Q4 202513F-HRFeb 17, 202631$624.2M canonicalSEC ↗
Q3 202513F-HRNov 14, 202527$684.9M canonicalSEC ↗
Q2 202513F-HRAug 14, 202518$269.6M canonicalSEC ↗
Q1 202513F-HRMay 15, 202518$261.0M canonicalSEC ↗
Q4 202413F-HRFeb 14, 202522$273.9M canonicalSEC ↗
Q3 202413F-HRNov 14, 202420$591.2M canonicalSEC ↗
Q2 202413F-HRAug 14, 202413$89.8M canonicalSEC ↗
Q1 202413F-HRMay 15, 202422$1.12B canonicalSEC ↗