MondegarAI
BEACONLIGHT CAPITAL, LLC

Q1 2026 · 13F-HR

BEACONLIGHT CAPITAL, LLCholdings as filed

Filed 2026-05-14 · accession 0000919574-26-003095

$189.8M
Reported value
34
Positions
2026-03-31
Period end
View analyzed profile →PRO

The Brief · BEACONLIGHT CAPITAL, LLC · Q1 2026

AI · grounded in 13F

BEACONLIGHT CAPITAL, LLC initiated a new position in STM worth $13.28M. The fund also established new holdings in SPY for $12.49M and CELH for $5.55M. On the sell side, the fund closed its positions in CRS and TWLO, reducing its exposure by $8.01M and $6.55M respectively.

Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
F21107101CSTMCONSTELLIUM SE$28.8M15.2%1,171,812CommonSOLE
76118Y104REZIRESIDEO TECHNOLOGIES INC$20.0M10.6%594,234CommonSOLE
861012102STMSTMICROELECTRONICS N V$13.3M7.00%384,477CommonSOLE
78462F103SPYSTATE STR SPDR S&P 500 ETF T$12.5M6.58%19,200PUTSOLE
81725T100SXTSENSIENT TECHNOLOGIES CORP$10.7M5.66%124,182CommonSOLE
878742204TECKTECK RESOURCES LTD$9.5M5.00%183,299CommonSOLE
16411R208LNGCHENIERE ENERGY INC$8.5M4.46%29,799CommonSOLE
91332U101UUNITY SOFTWARE INC$7.6M3.99%345,309CommonSOLE
402635502GPORGULFPORT ENERGY CORP$7.2M3.79%33,981CommonSOLE
632307104NTRANATERA INC$6.7M3.54%33,589CommonSOLE
15118V207CELHCELSIUS HLDGS INC$5.5M2.92%156,391CommonSOLE
31428X106FDXFEDEX CORP$5.4M2.85%15,201CommonSOLE
875372203TNDMTANDEM DIABETES CARE INC$4.9M2.56%253,877CommonSOLE
88023U101SGISOMNIGROUP INTERNATIONAL INC$4.4M2.31%59,199CommonSOLE
89377M109TMDXTRANSMEDICS GROUP INC$4.2M2.22%42,478CommonSOLE
26884L109EQTEQT CORP$4.0M2.10%62,760CommonSOLE
83443Q103SOLSSOLSTICE ADVANCED MATLS INC$3.5M1.86%46,433CommonSOLE
81762P102NOWSERVICENOW INC$3.0M1.58%28,682CommonSOLE
G4253H101JHXJAMES HARDIE INDS PLC$2.9M1.54%153,863CommonSOLE
833445109SNOWSNOWFLAKE INC$2.8M1.46%18,317CommonSOLE
150870103CECELANESE CORP DEL$2.7M1.42%41,055CommonSOLE
11135F101AVGOBROADCOM INC$2.6M1.39%8,516CommonSOLE
219798105QDELQUIDELORTHO CORP$2.5M1.32%152,057CommonSOLE
925815102VICRVICOR CORP$2.2M1.14%13,477CommonSOLE
H8817H100RIGTRANSOCEAN LTD$2.2M1.14%326,947CommonSOLE
25381B101DMRCDIGIMARC CORP NEW$2.1M1.12%431,772CommonSOLE
80004C200SNDKSANDISK CORP$1.9M0.98%2,942CommonSOLE
13646K108CPCANADIAN PACIFIC KANSAS CITY$1.6M0.84%20,314CommonSOLE
N53745100LYBLYONDELLBASELL INDUSTRIES NV$1.4M0.73%17,202CommonSOLE
36165L108GDSGDS HLDGS LTD$1.3M0.68%31,989CommonSOLE
92333F101VGVENTURE GLOBAL INC$1.2M0.63%75,636CommonSOLE
59151K108MEOHMETHANEX CORP$1.0M0.54%17,308CommonSOLE
125269100CFCF INDUSTRIES HOLD$934,1990.49%7,195CommonSOLE
683344105ONTOONTO INNOVATION INC$808,1810.43%3,941CommonSOLE

Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.