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
| # | Stock | Issuer | Price | Day % | 1Y Gr. | 5Y Gr. | Value | % of book | Δ shares (QoQ) | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | VSAT | VIASAT INC | $67.18 | -7.88% | 629.42% | 35.33% | $96.2M | 28.44% | +6,000 | +0.3% |
| 2 | CSTM | CONSTELLIUM SE | $33.89 | -6.25% | 161.90% | 79.60% | $45.4M | 13.43% | +5,000 | +0.3% |
| 3 | DAN | DANA INC | $35.37 | -3.60% | 108.50% | 66.21% | $38.7M | 11.44% | +4,000 | +0.3% |
| 4 | AMTM | AMENTUM HOLDINGS INC | $22.80 | -2.10% | 1.74% | -23.34% | $36.4M | 10.77% | +4,000 | +0.3% |
| 5 | ECVT | ECOVYST INC | $12.85 | -0.62% | 60.83% | 1.92% | $36.0M | 10.65% | +750,000 | +36.6% |
| 6 | FLR | FLUOR CORP NEW | $47.56 | -5.65% | 7.04% | 185.47% | $28.0M | 8.29% | +42,000 | +7.5% |
| 7 | RRX | REGAL REXNORD CORPORATION | $204.40 | -4.42% | 47.52% | 52.70% | $23.4M | 6.92% | +125,000 | NEW |
| 8 | KALU | KAISER ALUMINUM CORP | $176.90 | -5.33% | 132.65% | 74.61% | $21.1M | 6.24% | +7,000 | +4.2% |
| 9 | TGB | TASEKO MINES LTD | $6.65 | -12.84% | 117.32% | 267.40% | $12.9M | 3.82% | +2,002,000 | NEW |
| 10 | SEI | SOLARIS ENERGY INFRAS INC | $69.39 | -9.07% | 134.66% | 857.05% | — | — | −250,000 | EXITED |
Source: SEC EDGAR · accession 0000919574-26-003269. 13F discloses long positions only — shorts, foreign equities, and options are excluded.