DOSSIER · 13F-HR · Q2 2026

BEACONLIGHT CAPITAL, LLC

$283M in tracked AUM across 33 positions as of Q2 2026.

BC
CIK 0001569537 · last filed Jun 30, 2026
Total AUM
$283M
as of Q2 2026
Holdings
33
—
positions
Whale Score
62
62
tracked
Activity
—
no data
changes this Q
AI Analysis · Q2 2026
Comprehensive Analysis of BEACONLIGHT CAPITAL, LLC 13F Filing
1. Portfolio Overview

For the quarter ended September 30, 2025, Beaconlight Capital, LLC managed a total portfolio value of approximately $157.35 million across 21 holdings. This represents a decrease in portfolio value of 10.2% from the previous quarter's $175.22 million. The portfolio is characterized by a concentrated strategy, with the top ten positions accounting for roughly 77% of total assets. The manager demonstrates a h...

2. Key Holdings

The portfolio is heavily anchored by Resideo Technologies (REZI), which remains the largest holding at $27.85 million, representing 17.70% of the portfolio. Despite a 21.4% reduction in shares this quarter, Resideo remains a core "conviction" position. The second and third largest holdings, Constellium SE and Cheniere Energy (LNG), represent 12.04% and 8.98% of the portfolio, respectively. Notably, Constellium saw a significant capital injection of $6.60 million (+37.1%), indicating the manager's increased confidence in the industrial metals space.

The portfolio features a distinct barbell strategy in terms of position sizing. While the top three holdings dominate, the manager maintains meaningful exposure to mid-cap growth stories such as Sandisk (SNDK) and SomniGroup (SGI), both newly initiated at roughly 5.3% portfolio weight each. This suggests a strategy that balances large-cap stability (or value plays) with aggressive mid-cap growth positions.

Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
SPY
STATE STR SPDR S&P 500 ETF T
$44M59K15.7%
02
SXT
SENSIENT TECHNOLOGIES CORP
$27M222K9.7%
03
F21107101
CONSTELLIUM SE
$25M780K8.8%
04
NTRA
NATERA INC
$14M53K5.1%
05
SNOW
SNOWFLAKE INC
$14M53K4.8%
06
LNG
CHENIERE ENERGY INC
$13M56K4.7%
07
WERN
WERNER ENTERPRISES INC
$12M276K4.2%
08
QQQ
INVESCO QQQ TR
$12M16K4.1%
09
SGI
SOMNIGROUP INTERNATIONAL INC
$10M128K3.6%
10
REZI
RESIDEO TECHNOLOGIES INC
$10M323K3.5%

Filing history

2026Q2Jun 30
$283M▲ 49.2%
33 positionsView →
2026Q1Mar 31
$190M▲ 10.9%
34 positionsView →
2025Q4Dec 31
$171M▲ 8.8%
23 positionsView →
2025Q3Sep 30
$157M▼ 10.2%
21 positionsLocked
2025Q2Jun 30
$175M▲ 17.4%
30 positionsLocked
2025Q1Mar 31
$149M▼ 44.6%
24 positionsLocked
2024Q4Dec 31
$270M▲ 9.8%
30 positionsLocked
2024Q3Sep 30
$246M▲ 10.2%
28 positionsLocked
2024Q2Jun 30
$223M▼ 11.1%
31 positionsLocked
2024Q1Mar 31
$251M▲ 1.6%
34 positionsLocked
2023Q4Dec 31
$247M▲ 6.6%
32 positionsLocked
2023Q3Sep 30
$231M▲ 6.4%
31 positionsLocked
Showing 12 of 52