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
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
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| F21107101 | CSTM | CONSTELLIUM SE | $28.8M | 15.2% | 1,171,812 | Common | SOLE |
| 76118Y104 | REZI | RESIDEO TECHNOLOGIES INC | $20.0M | 10.6% | 594,234 | Common | SOLE |
| 861012102 | STM | STMICROELECTRONICS N V | $13.3M | 7.00% | 384,477 | Common | SOLE |
| 78462F103 | SPY | STATE STR SPDR S&P 500 ETF T | $12.5M | 6.58% | 19,200 | PUT | SOLE |
| 81725T100 | SXT | SENSIENT TECHNOLOGIES CORP | $10.7M | 5.66% | 124,182 | Common | SOLE |
| 878742204 | TECK | TECK RESOURCES LTD | $9.5M | 5.00% | 183,299 | Common | SOLE |
| 16411R208 | LNG | CHENIERE ENERGY INC | $8.5M | 4.46% | 29,799 | Common | SOLE |
| 91332U101 | U | UNITY SOFTWARE INC | $7.6M | 3.99% | 345,309 | Common | SOLE |
| 402635502 | GPOR | GULFPORT ENERGY CORP | $7.2M | 3.79% | 33,981 | Common | SOLE |
| 632307104 | NTRA | NATERA INC | $6.7M | 3.54% | 33,589 | Common | SOLE |
| 15118V207 | CELH | CELSIUS HLDGS INC | $5.5M | 2.92% | 156,391 | Common | SOLE |
| 31428X106 | FDX | FEDEX CORP | $5.4M | 2.85% | 15,201 | Common | SOLE |
| 875372203 | TNDM | TANDEM DIABETES CARE INC | $4.9M | 2.56% | 253,877 | Common | SOLE |
| 88023U101 | SGI | SOMNIGROUP INTERNATIONAL INC | $4.4M | 2.31% | 59,199 | Common | SOLE |
| 89377M109 | TMDX | TRANSMEDICS GROUP INC | $4.2M | 2.22% | 42,478 | Common | SOLE |
| 26884L109 | EQT | EQT CORP | $4.0M | 2.10% | 62,760 | Common | SOLE |
| 83443Q103 | SOLS | SOLSTICE ADVANCED MATLS INC | $3.5M | 1.86% | 46,433 | Common | SOLE |
| 81762P102 | NOW | SERVICENOW INC | $3.0M | 1.58% | 28,682 | Common | SOLE |
| G4253H101 | JHX | JAMES HARDIE INDS PLC | $2.9M | 1.54% | 153,863 | Common | SOLE |
| 833445109 | SNOW | SNOWFLAKE INC | $2.8M | 1.46% | 18,317 | Common | SOLE |
| 150870103 | CE | CELANESE CORP DEL | $2.7M | 1.42% | 41,055 | Common | SOLE |
| 11135F101 | AVGO | BROADCOM INC | $2.6M | 1.39% | 8,516 | Common | SOLE |
| 219798105 | QDEL | QUIDELORTHO CORP | $2.5M | 1.32% | 152,057 | Common | SOLE |
| 925815102 | VICR | VICOR CORP | $2.2M | 1.14% | 13,477 | Common | SOLE |
| H8817H100 | RIG | TRANSOCEAN LTD | $2.2M | 1.14% | 326,947 | Common | SOLE |
| 25381B101 | DMRC | DIGIMARC CORP NEW | $2.1M | 1.12% | 431,772 | Common | SOLE |
| 80004C200 | SNDK | SANDISK CORP | $1.9M | 0.98% | 2,942 | Common | SOLE |
| 13646K108 | CP | CANADIAN PACIFIC KANSAS CITY | $1.6M | 0.84% | 20,314 | Common | SOLE |
| N53745100 | LYB | LYONDELLBASELL INDUSTRIES NV | $1.4M | 0.73% | 17,202 | Common | SOLE |
| 36165L108 | GDS | GDS HLDGS LTD | $1.3M | 0.68% | 31,989 | Common | SOLE |
| 92333F101 | VG | VENTURE GLOBAL INC | $1.2M | 0.63% | 75,636 | Common | SOLE |
| 59151K108 | MEOH | METHANEX CORP | $1.0M | 0.54% | 17,308 | Common | SOLE |
| 125269100 | CF | CF INDUSTRIES HOLD | $934,199 | 0.49% | 7,195 | Common | SOLE |
| 683344105 | ONTO | ONTO INNOVATION INC | $808,181 | 0.43% | 3,941 | Common | SOLE |
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.