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Brightline Capital Management, LLC 13F holdings, Q3 2025

Holdings as of September 30, 2025 · filings on SEC EDGAR · latest filing →

Brightline Capital Management, LLC disclosed 10 US equity positions worth $244.0m in its Q3 2025 13F filing. The largest position was VSAT at 24.4% of the reported book, followed by SEI and AMTM. Against the Q2 2025 filing, it opened 1 new position, added to 7 and reduced 1 among the top 10 holdings.

← Q2 2025 · Q4 2025 →

What did Brightline Capital Management, LLC own in Q3 2025? Top 10 positions

#StockSectorWeightValueSharesΔ sharesvs Q2 2025
1 VSAT VIASAT INC Technology 24.4%$59.7m2,036,000 2% added
2 SEI SOLARIS ENERGY INFRAS INC Energy 16.4%$40.1m1,003,000 -11% reduced
3 AMTM AMENTUM HOLDINGS INC Industrials 11.8%$28.7m1,200,000 20% added
4 CSTM CONSTELLIUM SE Basic Materials 9.9%$24.2m1,625,000 62% added
5 FLR FLUOR CORP NEW Industrials 9.4%$22.9m544,000 2% added
6 DAN DANA INC Consumer Cyclical 8.9%$21.6m1,080,000 – new
7 EOSE EOS ENERGY ENTERPRISES INC Industrials 8.2%$20.0m1,754,000 2% added
8 NVRI ENVIRI CORP Industrials 7.3%$17.8m1,400,000 0% held
9 MAGN MAGNERA CORP 2.7%$6.6m560,000 1% added
10 TSEOQ TRINSEO PLC Basic Materials 1.0%$2.5m1,060,000 4% added

Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.