BEACONLIGHT CAPITAL, LLC

Fundamental concentrated ★Signal CIK 1569537
League rank
#390
in Fundamental concentrated · #970 overall
Long book
$177.3M
Q1 2026
Positions
33
Top-10 weight
66%
concentration
Last quarter
+17.2%
SPY +14.8%
Turnover
53%
of book per quarter

Strategy in plain words

auto-generated from filings

BEACONLIGHT CAPITAL, LLC is a concentrated fundamental stock-picker, running a $177.3M US long book across 33 positions.

The portfolio is concentrated: the top 10 names carry 66% of the portfolio. Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: CONSTELLIUM SE, RESIDEO TECHNOLOGIES INC, STMICROELECTRONICS NV-NY SHS, SENSIENT TECHNOLOGIES CORP, TECK RESOURCES LTD-CLS B.

Over the last 9 quarters its long book ran on average 0.8pp per quarter behind the S&P 500, beating the index in 4 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
-4.4%
Q2 2024
+6.1%
Q3 2024
+0.2%
Q4 2024
-12.9%
Q1 2025
+6.8%
Q2 2025
+8.5%
Q3 2025
+2.4%
Q4 2025
+9.3%
Q1 2026
+17.2%

Sector allocation

Industrials
22%
Technology
19%
Consumer discretionary
12%
Other
11%
Materials
10%
Healthcare
9%
Energy
8%
Utilities
6%

Long book by quarter

$222.9M
Q1 2024
$197.3M
Q2 2024
$243.0M
Q3 2024
$250.1M
Q4 2024
$146.3M
Q1 2025
$170.9M
Q2 2025
$202.7M
Q3 2025
$171.2M
Q4 2025
$177.3M
Q1 2026

What does BEACONLIGHT CAPITAL, own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
CSTM CONSTELLIUM SEIndustrials1.2M$28.8M16.2%-12.5%
REZI RESIDEO TECHNOLOGIES INCConsumer discretionary594.2K$20.0M11.3%-14.3%
STM STMICROELECTRONICS NV-NY SHSTechnology384.5K$13.3M7.5%New
SXT SENSIENT TECHNOLOGIES CORPOther124.2K$10.7M6.1%-10.0%
TECK TECK RESOURCES LTD-CLS BMaterials183.3K$9.5M5.3%-4.1%
LNG CHENIERE ENERGY INCUtilities29.8K$8.5M4.8%-16.8%
U UNITY SOFTWARE INCTechnology345.3K$7.6M4.3%+102.5%
GPOR GULFPORT ENERGY CORPEnergy34.0K$7.2M4.1%-27.0%
NTRA NATERA INCHealthcare33.6K$6.7M3.8%+44.2%
CELH CELSIUS HOLDINGS INCConsumer staples156.4K$5.5M3.1%New
FDX FEDEX CORPIndustrials15.2K$5.4M3.1%New
TNDM TANDEM DIABETES CARE INCHealthcare253.9K$4.9M2.7%New
SGI SOMNIGROUP INTERNATIONAL INCOther59.2K$4.4M2.5%-37.3%
TMDX TRANSMEDICS GROUP INCHealthcare42.5K$4.2M2.4%+44.8%
EQT EQT CORPEnergy62.8K$4.0M2.3%-32.4%
SOLS SOLSTICE ADV MATERIALS INCMaterials46.4K$3.5M2.0%New
NOW SERVICENOW INCTechnology28.7K$3.0M1.7%New
JHX JAMES HARDIE IND PLCIndustrials153.9K$2.9M1.6%+31.9%
SNOW SNOWFLAKE INCTechnology18.3K$2.8M1.6%-33.8%
CE CELANESE CORPMaterials41.1K$2.7M1.5%New
AVGO BROADCOM INCTechnology8.5K$2.6M1.5%New
QDEL QUIDELORTHO CORPMaterials152.1K$2.5M1.4%-36.4%
VICR VICOR CORPTechnology13.5K$2.2M1.2%-53.9%
RIG TRANSOCEAN LTDEnergy326.9K$2.2M1.2%New
SNDK SANDISK CORPTechnology2.9K$1.9M1.1%-90.8%
CP CANADIAN PACIFIC KANSAS CITYIndustrials20.3K$1.6M0.9%New
LYB LYONDELLBASELL INDU-CL AOther17.2K$1.4M0.8%New
VG VENTURE GLOBAL INC-CL AUtilities75.6K$1.2M0.7%New
MEOH METHANEX CORPOther17.3K$1.0M0.6%New
CF CF INDUSTRIES HOLDINGS INCOther7.2K$934K0.5%New
ONTO ONTO INNOVATION INCOther3.9K$808K0.5%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 14, 202634$189.8M canonicalSEC ↗
Q4 202513F-HRFeb 17, 202623$171.2M canonicalSEC ↗
Q3 202513F-HRNov 14, 202528$202.7M canonicalSEC ↗
Q2 202513F-HRAug 14, 202530$175.2M canonicalSEC ↗
Q1 202513F-HRMay 15, 202524$149.3M canonicalSEC ↗
Q4 202413F-HRFeb 14, 202530$269.7M canonicalSEC ↗
Q3 202413F-HRNov 13, 202428$245.7M canonicalSEC ↗
Q2 202413F-HRAug 14, 202431$222.9M canonicalSEC ↗
Q1 202413F-HRMay 14, 202434$250.7M canonicalSEC ↗

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