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Q2 2026 13F · SEC CIK 1317410

Lonestar Capital Management LLC

Hedge fundFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value
$155.3M
Reported positions
26
Top holdings a year, 3 yrs
+20.0%
Average holding period
2.4 yrs

Lonestar Capital Management LLC is a hedge fund that reported 26 positions worth $155.3M in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Garrett Motion Inc (GTX, 12.8%), Energy Transfer L P (ETPC, 11.1%), Global Ship Lease Inc (GSL, 7.0%). A portfolio copying its top holdings returned 20.0% a year over the last 3 years, against 20.0% for the S&P 500.

Lonestar Capital Management LLC holdings all 26 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Lonestar Capital Management LLC 13F holdings
Stock% of 13F valueShare changeReported value
GTXGarrett Motion Inc12.8%-31.3%$19.9M
ETPCEnergy Transfer L P11.1%+0.0%$17.2M
GSLGlobal Ship Lease Inc7.0%+81.3%$10.9M
DHCDiversified Healthcare Tr6.3%-34.4%$9.8M
THTarget Hospitality Corp5.7%+15.5%$8.8M
BKDBrookdale Sr Living Inc5.6%-18.2%$8.7M
CVSACovista Inc4.4%—$6.9M
VSTVistra Corp4.1%-20.0%$6.3M
TLNTalen Energy Corp4.0%-46.7%$6.1M
GDXVaneck ETF Trust3.9%+0.0%$6.0M
DCHDauch Corp3.3%-36.7%$5.1M
CECelanese Corp Del3.3%-45.0%$5.1M
EXEExpand Energy Corporation3.2%-35.3%$5.0M
LINCLincoln Educational Srvcs2.7%-44.1%$4.2M
DOWDow Hldgs Inc2.6%-16.7%$4.1M
NRGNrg Energy Inc2.5%-55.0%$3.9M
KYIVKyivstar Group Ltd2.5%—$3.9M
LUMNLumen Technologies Inc2.5%+17.6%$3.8M
UTIUniversal Technical Inst Inc2.3%+0.0%$3.6M
EQTEqt Corp2.1%-33.3%$3.2M
LYBLyondellbasell Industries NV2.0%+0.0%$3.2M
RIGTransocean Ltd1.5%-47.2%$2.3M
SDRLSeadrill Ltd1.3%-45.0%$2.1M
GLXYGalaxy Digital Inc.1.2%—$1.9M
ADTAdt Inc Del1.0%—$1.6M
81761L102Service Pptys Tr1.0%—$1.5M

What Lonestar Capital Management LLC bought and sold in Q2 2026, against Q1 2026.

New positions

Added to

Reduced

Sold out

Share counts compared with the Q1 2026 13F; a split also changes share counts.

How the holdings did against the S&P 500.

1 year
+41.8% /yr
S&P 500 +20.1%
3 years
+20.0% /yr
S&P 500 +20.0%
5 years
+17.4% /yr
S&P 500 +9.9%

A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter13F valuePositions
Q2 2026$155.3M26
Q1 2026$186.0M26
Q4 2025$186.9M28
Q3 2025$143.9M23
Q2 2025$115.1M17
Q1 2025$80.5M15
Q4 2024$119.5M19
Q3 2024$114.1M13
Q2 2024$89.8M13
Q1 2024$96.6M13
Q4 2023$136.8M16
Q3 2023$152.9M19

Questions about Lonestar Capital Management LLC's portfolio

What stocks does Lonestar Capital Management LLC own?

Lonestar Capital Management LLC's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 26 positions worth $155.3M. The largest are Garrett Motion Inc (GTX) at 12.8%, Energy Transfer L P (ETPC) at 11.1%, Global Ship Lease Inc (GSL) at 7.0%, Diversified Healthcare Tr (DHC) at 6.3% and Target Hospitality Corp (TH) at 5.7%.

What did Lonestar Capital Management LLC buy last quarter?

In Q2 2026, Lonestar Capital Management LLC added a new position in Covista Inc (CVSA), a new position in Kyivstar Group Ltd (KYIV), a new position in Galaxy Digital Inc. (GLXY), a new position in Adt Inc Del (ADT), a new position in Service Pptys Tr, Global Ship Lease Inc (GSL) (+81.3% shares), Lumen Technologies Inc (LUMN) (+17.6% shares) and Target Hospitality Corp (TH) (+15.5% shares), compared with its Q1 2026 filing.

What did Lonestar Capital Management LLC sell last quarter?

In Q2 2026, Lonestar Capital Management LLC sold all of Vaneck ETF Trust (GDXJ), sold all of Pg&e Corp (PCG), sold all of Pool Corp (POOL), sold all of Braskem SA (BAK), sold all of Super Micro Computer Inc (SMCI), Nrg Energy Inc (NRG) (-55.0% shares), Transocean Ltd (RIG) (-47.2% shares) and Talen Energy Corp (TLN) (-46.7% shares), compared with its Q1 2026 filing.

How has Lonestar Capital Management LLC's portfolio performed?

A portfolio copying Lonestar Capital Management LLC's 20 largest 13F holdings each quarter, from the day each filing was public, returned +20.0% a year over the last 3 years, against +20.0% for the S&P 500. Over 1 year: +41.8% against +20.1%. Over 5 years: +17.4% a year against +9.9%.

When is Lonestar Capital Management LLC's next 13F filing due?

13F filings are due 45 days after each quarter ends. Lonestar Capital Management LLC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.