Q2 2026 13F · SEC CIK 1432450
Brightline Capital Management, LLC
Hedge fundFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $461.5M
- Reported positions
- 11
- Holdings vs S&P 500, 3 yrs
- —
- Assets under management
- $346.4M
Brightline Capital Management, LLC is a hedge fund that reported 11 positions worth $461.5M in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Viasat Inc Com (VSAT, 41.1%), Constellium SE (CSTM, 13.3%), Regal Rexnord Corporation (RRX, 8.4%).
Brightline Capital Management, LLC holdings all 11 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
| Stock | % of 13F value | Share change | Reported value |
|---|---|---|---|
| VSATViasat Inc Com | 41.1% | +0.6% | $189.7M |
| CSTMConstellium SE | 13.3% | +4.1% | $61.3M |
| RRXRegal Rexnord Corporation | 8.4% | +30.4% | $38.8M |
| FLRFluor Corp Com | 8.2% | +20.3% | $37.9M |
| ECVTEcovyst Inc | 8.1% | +7.6% | $37.5M |
| DANDana Holding Corp | 6.8% | +0.9% | $31.6M |
| HRIHerc Hldgs Inc | 4.4% | — | $20.4M |
| TGBTrekor Metals Ltd | 3.3% | — | $15.1M |
| OCOwens Corning New | 2.8% | — | $12.7M |
| WSCWillscot Hldgs Corp | 2.1% | — | $9.9M |
| ASTLAlgoma Steel Group | 1.5% | — | $6.7M |
What Brightline Capital Management, LLC bought and sold in Q2 2026, against Q1 2026.
New positions
- HRI Herc Hldgs Inc4.4% of 13F
- TGB Trekor Metals Ltd3.3% of 13F
- OC Owens Corning New2.8% of 13F
- WSC Willscot Hldgs Corp2.1% of 13F
- ASTL Algoma Steel Group1.5% of 13F
Added to
- RRX Regal Rexnord Corporation+30.4% shares
- FLR Fluor Corp Com+20.3% shares
- ECVT Ecovyst Inc+7.6% shares
Reduced
No position shrank by more than 5%.
Sold out
- AMTM Amentum Holdings Incwas 10.8%
- KALU Kaiser Aluminium Corporationwas 6.2%
- Taseko Mines Ltd Comwas 3.8%
Share counts compared with the Q1 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- +80.5% /yr
- S&P 500 +20.1%
- 3 years
- —
- 5 years
- +20.8% /yr
- S&P 500 +9.7%
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $461.5M | 11 |
| Q1 2026 | $338.1M | 9 |
| Q4 2025 | $247.4M | 8 |
| Q3 2025 | $244.0M | 10 |
| Q2 2025 | $232.2M | 15 |
| Q1 2025 | $115.3M | 12 |
| Q4 2024 | $145.8M | 13 |
| Q3 2024 | $236.8M | 20 |
| Q2 2024 | $201.5M | 19 |
| Q1 2024 | $166.2M | 15 |
| Q4 2023 | $92.2M | 10 |
| Q4 2022 | $45.4M | 5 |
Questions about Brightline Capital Management, LLC's portfolio
What stocks does Brightline Capital Management, LLC own?
Brightline Capital Management, LLC's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 11 positions worth $461.5M. The largest are Viasat Inc Com (VSAT) at 41.1%, Constellium SE (CSTM) at 13.3%, Regal Rexnord Corporation (RRX) at 8.4%, Fluor Corp Com (FLR) at 8.2% and Ecovyst Inc (ECVT) at 8.1%.
What did Brightline Capital Management, LLC buy last quarter?
In Q2 2026, Brightline Capital Management, LLC added a new position in Herc Hldgs Inc (HRI), a new position in Trekor Metals Ltd (TGB), a new position in Owens Corning New (OC), a new position in Willscot Hldgs Corp (WSC), a new position in Algoma Steel Group (ASTL), Regal Rexnord Corporation (RRX) (+30.4% shares), Fluor Corp Com (FLR) (+20.3% shares) and Ecovyst Inc (ECVT) (+7.6% shares), compared with its Q1 2026 filing.
What did Brightline Capital Management, LLC sell last quarter?
In Q2 2026, Brightline Capital Management, LLC sold all of Amentum Holdings Inc (AMTM), sold all of Kaiser Aluminium Corporation (KALU) and sold all of Taseko Mines Ltd Com, compared with its Q1 2026 filing.
When is Brightline Capital Management, LLC's next 13F filing due?
13F filings are due 45 days after each quarter ends. Brightline Capital Management, LLC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.
How much money does Brightline Capital Management, LLC manage?
Brightline Capital Management, LLC reported $346.4M of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $461.5M.