Brightline Capital Management, LLC
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Brightline Capital Management, LLC reported 9 stock positions worth $338.1 million. Its top holding was Viasat (VSAT) at 28.4% of the portfolio, followed by Constellium (CSTM, 13.4%) and Dana (DAN, 11.4%). Compared with Q4 2025, it opened 2 new positions, sold out of 1 and added to 7. The biggest buy was a new position in Regal Rexnord (RRX) and the biggest sale an exit from Solaris Energy Infrastructur (SEI).
- Most Recent 13F
- Q2 2026
- Location
- Miami, FL
- CIK
- 0001432450
- Portfolio Value
- $338.1M (Q1 2026)
- SEC Filing
- 0000919574-26-003269 ↗ filed May 15, 2026
Holdings Value
Holdings 9 stocks · $338.1M
| VSAT Viasat Inc. | 28.44% | 2,100,000 | $96.2M | Add +0.3% |
| CSTM Constellium SE | 13.43% | 1,847,000 | $45.4M | Add +0.3% |
| DAN Dana Inc. | 11.44% | 1,150,000 | $38.7M | Add +0.3% |
| AMTM Amentum Holdings Inc. | 10.77% | 1,396,000 | $36.4M | Add +0.3% |
| ECVT Ecovyst Inc. | 10.65% | 2,800,000 | $36.0M | Add +36.6% |
| FLR Fluor Corp. | 8.29% | 601,000 | $28.0M | Add +7.5% |
| RRX Regal Rexnord Corp. | 6.92% | 125,000 | $23.4M | New |
| KALU Kaiser Aluminum Corp. | 6.24% | 175,000 | $21.1M | Add +4.2% |
| TASEKO MINES LTD | 3.82% | 2,002,000 | $12.9M | New |
Portfolio Sells Q4 2025 → Q1 2026
| SEI Solaris Energy Infrastructur | Sold out | 0.00% | −4.65 |
Portfolio Buys Q4 2025 → Q1 2026
| RRX Regal Rexnord Corp. | New | 6.92% | +6.92 |
| TASEKO MINES LTD | New | 3.82% | +3.82 |
| ECVT Ecovyst Inc. | Add +36.6% | 10.65% | +2.59 |
| DAN Dana Inc. | Add +0.3% | 11.44% | +0.44 |
| CSTM Constellium SE | Add +0.3% | 13.43% | −0.61 |
| FLR Fluor Corp. | Add +7.5% | 8.29% | −0.66 |
| VSAT Viasat Inc. | Add +0.3% | 28.44% | −0.73 |
| KALU Kaiser Aluminum Corp. | Add +4.2% | 6.24% | −1.56 |
| AMTM Amentum Holdings Inc. | Add +0.3% | 10.77% | −5.55 |
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 |