Brightline Capital Management, LLC
In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 14, 2025), Brightline Capital Management, LLC reported 15 stock positions worth $232.2 million. Its top holding was Tutor Perini (TPC) at 14.2% of the portfolio, followed by Solaris Energy Infrastructur (SEI, 13.7%) and Viasat (VSAT, 12.6%). Compared with Q1 2025, it opened 3 new positions, added to 7 and reduced 3. The biggest buy was a new position in Viasat (VSAT) and the biggest sale Magnera (MAGN, shares −0%).
- Most Recent 13F
- Q2 2026
- Location
- Miami, FL
- CIK
- 0001432450
- Portfolio Value
- $232.2M (Q2 2025)
- SEC Filing
- 0000919574-25-004682 ↗ filed Aug 14, 2025
Holdings Value
Holdings 15 stocks · $232.2M
| TPC Tutor Perini Corp. | 14.21% | 705,000 | $33.0M | Add +0.4% |
| SEI Solaris Energy Infrastructur | 13.67% | 1,122,000 | $31.7M | Add +0.5% |
| VSAT Viasat Inc. | 12.58% | 2,000,000 | $29.2M | New |
| FLR Fluor Corp. | 11.79% | 534,000 | $27.4M | Reduce -0.2% |
| AMTM Amentum Holdings Inc. | 10.17% | 1,000,000 | $23.6M | New |
| TOL Toll Brothers Inc. | 7.87% | 160,000 | $18.3M | New |
| CSTM Constellium SE | 5.73% | 1,000,000 | $13.3M | Add +34.2% |
| NEXT Nextdecade Corp. | 5.57% | 1,450,000 | $12.9M | Add +45.0% |
| NVRI Enviri Corp. | 5.23% | 1,400,000 | $12.2M | Add +8.2% |
| TTI Tetra Technologies Inc. | 3.84% | 2,653,000 | $8.9M | Reduce -0.1% |
| EOSE Eos Energy Enterprises Inc. | 3.80% | 1,723,000 | $8.8M | Add +0.9% |
| MAGN Magnera Corp. | 2.89% | 555,000 | $6.7M | Reduce -0.2% |
| TSEOQ Trinseo PLC | 1.37% | 1,022,000 | $3.2M | Add +0.6% |
| TPICQ Tpi Composites Inc. | 0.64% | 1,737,000 | $1.5M | No change |
| BW Babcock & Wilcox Enterpr | 0.64% | 1,550,000 | $1.5M | No change |
Portfolio Sells Q1 2025 → Q2 2025
Portfolio Buys Q1 2025 → Q2 2025
| VSAT Viasat Inc. | New | 12.58% | +12.58 |
| AMTM Amentum Holdings Inc. | New | 10.17% | +10.17 |
| TOL Toll Brothers Inc. | New | 7.87% | +7.87 |
| TPC Tutor Perini Corp. | Add +0.4% | 14.21% | +0.09 |
| CSTM Constellium SE | Add +34.2% | 5.73% | −0.79 |
| NEXT Nextdecade Corp. | Add +45.0% | 5.57% | −1.18 |
| EOSE Eos Energy Enterprises Inc. | Add +0.9% | 3.80% | −1.80 |
| TSEOQ Trinseo PLC | Add +0.6% | 1.37% | −1.87 |
| NVRI Enviri Corp. | Add +8.2% | 5.23% | −2.23 |
| SEI Solaris Energy Infrastructur | Add +0.5% | 13.67% | −7.41 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 11 | $461.5M | VSAT, CSTM, RRX, FLR, ECVT |
| Q1 2026 | 9 | $338.1M | VSAT, CSTM, DAN, AMTM, ECVT |
| Q4 2025 | 8 | $247.4M | VSAT, AMTM, CSTM, DAN, FLR |
| Q3 2025 | 10 | $244.0M | VSAT, SEI, AMTM, CSTM, FLR |
| Q2 2025 | 15 | $232.2M | TPC, SEI, VSAT, FLR, AMTM |
| Q1 2025 | 12 | $115.3M | SEI, FLR, TPC, MAGN, TTI |
| Q4 2024 | 13 | $145.8M | SEI, FLR, REVG, CDLR, TPC |
| Q3 2024 | 20 | $236.8M | FLR, MBC, CDLR, REVG, HOV |
| Q2 2024 | 19 | $201.5M | OVERSEAS SHIPHOLDING GROUP-A, CDLR, REVG, FLR, MBC |
| Q1 2024 | 15 | $166.2M | MBC, BZH, CLF, REVG, CSTM |