Brightline Capital Management, LLC: 13F holdings, Q2 2026
Hedge fund · SEC EDGAR filings (CIK 1432450) · Explore on the interactive board
Brightline Capital Management, LLC disclosed 11 US equity positions worth $461.5m in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 14, 2026). Its largest position is VSAT at 41.1% of the reported book, followed by CSTM, RRX. The top ten holdings are 98.5% of the book, and the portfolio behaves like about 5 equal-weight positions. Versus the prior filing it opened 5 new positions, added to 6, reduced 0 and exited 3. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does Brightline Capital Management, LLC own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 5 new, 6 added, 0 reduced, 3 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | VSAT VIASAT INC | Technology | 41.1% | $189.7m | 2,112,000 | 1% | added |
| 2 | CSTM CONSTELLIUM SE | Basic Materials | 13.3% | $61.3m | 1,923,000 | 4% | added |
| 3 | RRX REGAL REXNORD CORPORATION | Industrials | 8.4% | $38.8m | 163,000 | 30% | added |
| 4 | FLR FLUOR CORP | Industrials | 8.2% | $37.9m | 723,000 | 20% | added |
| 5 | ECVT ECOVYST INC | Basic Materials | 8.1% | $37.5m | 3,012,000 | 8% | added |
| 6 | DAN DANA INC | Consumer Cyclical | 6.8% | $31.6m | 1,160,000 | 1% | added |
| 7 | HRI HERC HLDGS INC | Industrials | 4.4% | $20.4m | 142,000 | – | new |
| 8 | TGB TREKOR METALS LTD | Basic Materials | 3.3% | $15.1m | 2,200,000 | – | new |
| 9 | OC OWENS CORNING NEW | Industrials | 2.8% | $12.7m | 80,000 | – | new |
| 10 | WSC WILLSCOT HLDGS CORP | Industrials | 2.1% | $9.9m | 342,000 | – | new |
| 11 | ASTL ALGOMA STL GROUP INC | 1.5% | $6.7m | 1,660,000 | – | new |
What did Brightline Capital Management, LLC sell? Positions exited since the previous filing
| Stock | Prior weight | Prior value |
|---|---|---|
| AMTM AMENTUM HOLDINGS INC | 51.7% | $36.4m |
| KALU KAISER ALUMINUM CORP | 30.0% | $21.1m |
| TKOEUR TASEKO MINES LTD | 18.3% | $12.9m |
Sector mix
| Sector | Weight |
|---|---|
| Technology | 41.1% |
| Industrials | 25.9% |
| Basic Materials | 24.7% |
| Consumer Cyclical | 6.8% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
How concentrated is Brightline Capital Management, LLC's portfolio?
Across every quarter Brightline Capital Management, LLC has filed, its median largest position is 34.8% of the book and its median top-ten weight is 99.3%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 3.0 completed holding spells, the median lasted 1.0 quarters; 11.0 positions are still open and their final length is unknown.