Institutional
BRIGHTLINE CAPITAL MANAGEMENT, LLC
CIK 0001432450
$338.1M
Reported AUM
9
Positions
Q1 2026
Period
2026-05-15
Filed
The Brief · BRIGHTLINE CAPITAL MANAGEMENT, LLC · Q1 2026
AI · grounded in 13F
Brightline Capital Management, LLC established a new position in Regal Rexnord Corporation RRX valued at $23.4M. The fund also opened a new position in Taseko Mines Ltd TGB for $12.9M and increased its stake in Ecovyst Inc ECVT by 36.59%. Conversely, the fund closed its entire position in Solaris Energy Infras Inc SEI, resulting in a $11.5M reduction.
Portfolio · Q1 2026
Top holdings
QoQ vs Q4 2025
| # | Ticker | Issuer | Value | % of book | Δ shares (QoQ) | Status |
|---|---|---|---|---|---|---|
| 1 | VSAT | VIASAT INC | $96.2M | 28.44% | +6,000 | +0.3% |
| 2 | CSTM | CONSTELLIUM SE | $45.4M | 13.43% | +5,000 | +0.3% |
| 3 | DAN | DANA INC | $38.7M | 11.44% | +4,000 | +0.3% |
| 4 | AMTM | AMENTUM HOLDINGS INC | $36.4M | 10.77% | +4,000 | +0.3% |
| 5 | ECVT | ECOVYST INC | $36.0M | 10.65% | +750,000 | +36.6% |
| 6 | FLR | FLUOR CORP NEW | $28.0M | 8.29% | +42,000 | +7.5% |
| 7 | RRX | REGAL REXNORD CORPORATION | $23.4M | 6.92% | +125,000 | NEW |
| 8 | KALU | KAISER ALUMINUM CORP | $21.1M | 6.24% | +7,000 | +4.2% |
| 9 | TGB | TASEKO MINES LTD | $12.9M | 3.82% | +2,002,000 | NEW |
| 10 | SEI | SOLARIS ENERGY INFRAS INC | — | — | -250,000 | EXITED |
Source: SEC EDGAR · accession 0000919574-26-003269. 13F discloses long positions only — shorts, foreign equities, and options are excluded.