Institutional Manager · CIK 0001317410
LONESTAR CAPITAL MANAGEMENT LLC
San Francisco, CA · File #028-11133
Latest AUM
$624.2M
Positions
31
Top-10 Concentration
83.9%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| EXITED | ISHARES TR | 464287630 | -3,200 | -$77.4M | $0 |
| REDUCE | INVESCO QQQ TR | IVZ | -1,000 | -$61.4M | +$4.9M |
| ADD | ISHARES TR | 464287432 | +7,000 | +$61.0M | -$1.3M |
| REDUCE | SPDR S&P 500 ETF TR | SPY | -500 | -$34.1M | +$4.7M |
| ADD | AMERICAN AXLE & MFG HLDGS IN | 024061103 | +1,856,574 | +$11.9M | +$120,000 |
| NEW | CELANESE CORP DEL | CE | +235,000 | +$9.9M | $0 |
| NEW | DRIVEN BRANDS HLDGS INC | DRVN | +560,000 | +$8.3M | $0 |
| EXITED | GOLAR LNG LTD | G9456A100 | -200,000 | -$8.1M | $0 |
| NEW | TRANSOCEAN LTD | RIG | +1,800,000 | +$7.4M | $0 |
| EXITED | SERVICE PPTYS TR | 81761L102 | -2,735,000 | -$7.4M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202531 pos · $624.2M
- 13F HOLDINGS REPORTQ/E Sep 202527 pos · $684.9M
- 13F HOLDINGS REPORTQ/E Jun 202518 pos · $269.6M
- 13F HOLDINGS REPORTQ/E Mar 202518 pos · $261.0M
- 13F HOLDINGS REPORTQ/E Dec 202422 pos · $273.9M
- 13F HOLDINGS REPORTQ/E Sep 202420 pos · $591.2M
- 13F HOLDINGS REPORTQ/E Jun 202413 pos · $89.8M
- 13F HOLDINGS REPORTQ/E Mar 202422 pos · $1.12B
- 13F HOLDINGS REPORTQ/E Dec 202327 pos · $704.5M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | SPDR S&P 500 ETF TR | SPY | 2,500 | $170.5M | 27.31% |
| 2 | INVESCO QQQ TR | IVZ | 2,500 | $153.6M | 24.60% |
| 3 | ISHARES TR | 464287432 | 13,000 | $113.3M | 18.15% |
| 4 | GARRETT MOTION INC | GTX | 900,000 | $15.7M | 2.51% |
| 5 | ENERGY TRANSFER L P | ET-PI | 929,000 | $15.3M | 2.45% |
| 6 | DIVERSIFIED HEALTHCARE TR | DHCNL | 3,000,000 | $14.6M | 2.33% |
| 7 | AMERICAN AXLE & MFG HLDGS IN | 024061103 | 2,156,574 | $13.8M | 2.21% |
| 8 | CELANESE CORP DEL | CE | 235,000 | $9.9M | 1.59% |
| 9 | PG&E CORP | PCG-PX | 550,000 | $8.8M | 1.42% |
| 10 | DRIVEN BRANDS HLDGS INC | DRVN | 560,000 | $8.3M | 1.33% |
| 11 | EXPAND ENERGY CORPORATION | EXE | 75,000 | $8.3M | 1.33% |
| 12 | TRANSOCEAN LTD | RIG | 1,800,000 | $7.4M | 1.19% |
| 13 | BROOKDALE SR LIVING INC | 112463104 | 660,000 | $7.1M | 1.14% |
| 14 | SEADRILL LTD | SDRL | 200,000 | $6.9M | 1.11% |
| 15 | VANECK ETF TRUST | 92189F106 | 80,000 | $6.9M | 1.10% |
| 16 | VANECK ETF TRUST | 92189F791 | 60,000 | $6.8M | 1.09% |
| 17 | TALEN ENERGY CORP | TLN | 16,000 | $6.0M | 0.96% |
| 18 | NRG ENERGY INC | NRG | 37,000 | $5.9M | 0.94% |
| 19 | GLOBAL SHIP LEASE INC NEW | GSL-PB | 160,000 | $5.6M | 0.90% |
| 20 | LINCOLN EDL SVCS CORP | 533535100 | 200,000 | $4.8M | 0.77% |