Brightline Capital Management Portfolio holdings
Top Buys
| 1 |
Ecovyst
ECVT
|
+$17.9M |
| 2 |
Kaiser Aluminum
KALU
|
+$16M |
| 3 |
AMTM
Amentum Holdings
AMTM
|
+$4.91M |
| 4 |
Constellium
CSTM
|
+$3.6M |
| 5 |
Viasat
VSAT
|
+$2.05M |
Top Sells
| 1 |
SEI
Solaris Energy Infrastructure
SEI
|
+$36.4M |
| 2 |
Eos Energy Enterprises
EOSE
|
+$20M |
| 3 |
Enviri
NVRI
|
+$17.8M |
| 4 |
MAGN
Magnera Corp
MAGN
|
+$6.56M |
| 5 |
TSE
Trinseo
TSE
|
+$2.49M |
Sector Composition
| 1 | Materials | 29.9% |
| 2 | Technology | 29.17% |
| 3 | Industrials | 25.27% |
| 4 | Consumer Discretionary | 11.01% |
| 5 | Energy | 4.65% |
Similar funds
Brightline Capital Management's Q4 2025 Portfolio in Review
As of Q4 2025, Brightline Capital Management held 12 positions worth $247M, up 1.4% from $244M the previous quarter. Its ten largest holdings account for 100% of the portfolio.
Brightline Capital Management withdrew a net $36.7M in Q4 2025, closing 4 positions and reducing 1 holding. Its most notable exit was Eos Energy Enterprises, an estimated $20M position sold in full.
By sector, the portfolio is most concentrated in Materials at 30% of assets, up from 11% a quarter earlier, followed by Technology and Industrials.
Against the trend, Brightline Capital Management opened a new position in Ecovyst worth $19.9M.
- Brightline Capital Management's largest Q4 2025 buy was Ecovyst: 2,050,000 shares worth $19.9M.
- Brightline Capital Management added most to Amentum Holdings in Q4 2025, an estimated $4.91M increase.
- Brightline Capital Management's biggest Q4 2025 reduction was Solaris Energy Infrastructure, cutting an estimated $36.4M.
- Brightline Capital Management fully exited Eos Energy Enterprises in Q4 2025, selling an estimated $20M.
- Brightline Capital Management's ten largest holdings make up 100% of its $247M portfolio in Q4 2025.
- Brightline Capital Management opened 2 new positions and closed 4 in Q4 2025.
- Brightline Capital Management's portfolio value rose 1.4% quarter-over-quarter to $247M.
Based on Brightline Capital Management's 13F filing for Q4 2025, filed 13 Feb 2026.