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BEACONLIGHT CAPITAL, LLC

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13F filer, CIK 1569537, New York, NY

BEACONLIGHT CAPITAL, LLC reported $283,252,067 across 33 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14. Its ten largest share positions make up 62.59% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000919574-26-005460

Period
2026-06-30
Reported value
$283M
Holdings
33
Top 10 weight
62.59%
New
13
Sold out
14

Largest buys vs the previous quarter

SecurityShares changeApprox. value
WERNnew+276,026$12M
SXTadded+97,629$12M
SNOWadded+34,863$8.87M
COMPnew+649,901$8.01M
DALnew+81,820$7.66M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
STMreduced-343,145-$25.7M
CSTMreduced-391,913-$12.5M
REZIreduced-271,274-$8.44M
FDXexited-15,201-$5.41M
EQTexited-62,760-$3.99M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q2 2026

Share positions as resolved from 13F-HR 0000919574-26-005460, largest first. % of portfolio is the value over $227,185,169, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
SXTSENSIENT TECHNOLOGIES CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 142,121 shares; 2025Q3: 114,231 shares; 2025Q4: 138,033 shares; 2026Q1: 124,182 shares; 2026Q2: 221,811 shares 221,811$27.3M12.04%+97,629Timeline
CSTMCONSTELLIUM SEQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 881,616 shares; 2024Q4: 814,317 shares; 2025Q1: 963,379 shares; 2025Q2: 928,535 shares; 2025Q3: 1,273,505 shares; 2025Q4: 1,339,934 shares; 2026Q1: 1,171,812 shares; 2026Q2: 779,899 shares 779,899$24.9M10.94%-391,913Timeline
NTRANATERA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 74,815 shares; 2024Q4: 44,994 shares; 2025Q1: 23,580 shares; 2025Q2: 22,971 shares; 2025Q3: 23,433 shares; 2025Q4: 23,286 shares; 2026Q1: 33,589 shares; 2026Q2: 53,312 shares 53,312$14.5M6.37%+19,723Timeline
SNOWSNOWFLAKE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 23,566 shares; 2025Q4: 27,675 shares; 2026Q1: 18,317 shares; 2026Q2: 53,180 shares 53,180$13.5M5.96%+34,863Timeline
LNGCHENIERE ENERGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 69,382 shares; 2024Q4: 105,197 shares; 2025Q1: 68,235 shares; 2025Q2: 60,785 shares; 2025Q3: 60,139 shares; 2025Q4: 35,835 shares; 2026Q1: 29,799 shares; 2026Q2: 55,621 shares 55,621$13.3M5.85%+25,822Timeline
WERNWERNER ENTERPRISES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 276,026 shares 276,026$12M5.3%newTimeline
SGISOMNIGROUP INTERNATIONAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: 43,256 shares; 2025Q1: 57,648 shares; 2025Q2: not reported; 2025Q3: 98,420 shares; 2025Q4: 94,357 shares; 2026Q1: 59,199 shares; 2026Q2: 128,310 shares 128,310$10.1M4.43%+69,111Timeline
REZIRESIDEO TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 1,088,926 shares; 2024Q4: 1,075,019 shares; 2025Q1: 1,063,472 shares; 2025Q2: 820,652 shares; 2025Q3: 645,028 shares; 2025Q4: 693,311 shares; 2026Q1: 594,234 shares; 2026Q2: 322,960 shares 322,960$10M4.42%-271,274Timeline
JHXJAMES HARDIE INDS PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 116,640 shares; 2026Q1: 153,863 shares; 2026Q2: 326,195 shares 326,195$8.54M3.76%+172,332Timeline
COMPCOMPASS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 649,901 shares 649,901$8.01M3.53%newTimeline
TECKTECK RESOURCES LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 192,523 shares; 2024Q4: 138,388 shares; 2025Q1: 102,994 shares; 2025Q2: 103,248 shares; 2025Q3: 233,679 shares; 2025Q4: 191,235 shares; 2026Q1: 183,299 shares; 2026Q2: 133,807 shares 133,807$7.96M3.5%-49,492Timeline
DALDELTA AIR LINES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 81,820 shares 81,820$7.66M3.37%newTimeline
KNXKNIGHT-SWIFT TRANSN HLDGS INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 88,047 shares 88,047$6.86M3.02%newTimeline
UUNITY SOFTWARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 257,560 shares; 2025Q3: 117,281 shares; 2025Q4: 170,521 shares; 2026Q1: 345,309 shares; 2026Q2: 212,475 shares 212,475$6.07M2.67%-132,834Timeline
TWLOTWILIO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 9,967 shares; 2025Q2: 68,753 shares; 2025Q3: 23,416 shares; 2025Q4: 46,060 shares; 2026Q1: not reported; 2026Q2: 29,366 shares 29,366$6.06M2.67%newTimeline
BKDBROOKDALE SR LIVING INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 364,976 shares 364,976$5.87M2.58%newTimeline
SRRKSCHOLAR ROCK HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 87,893 shares 87,893$4.83M2.13%newTimeline
UALUNITED AIRLS HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 35,175 shares 35,175$4.78M2.11%newTimeline
RIGTRANSOCEAN LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 326,947 shares; 2026Q2: 977,964 shares 977,964$4.78M2.1%+651,017Timeline
TNDMTANDEM DIABETES CARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 215,615 shares; 2024Q4: 331,209 shares; 2025Q1: 219,757 shares; 2025Q2: 53,455 shares; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 253,877 shares; 2026Q2: 266,009 shares 266,009$4.01M1.77%+12,132Timeline
HUMHUMANA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 8,220 shares 8,220$3.27M1.44%newTimeline
VICRVICOR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 107,118 shares; 2024Q4: 41,412 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 29,257 shares; 2026Q1: 13,477 shares; 2026Q2: 8,218 shares 8,218$3.12M1.37%-5,259Timeline
STMSTMICROELECTRONICS N VQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 261,232 shares; 2025Q4: not reported; 2026Q1: 384,477 shares; 2026Q2: 41,332 shares 41,332$3.1M1.36%-343,145Timeline
SKYCHAMPION HOMES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 34,056 shares 34,056$3M1.32%newTimeline
DMRCDIGIMARC CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 338,948 shares 338,948$2.79M1.23%newTimeline
GPORGULFPORT ENERGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 10,727 shares; 2024Q4: 34,559 shares; 2025Q1: 24,203 shares; 2025Q2: 19,334 shares; 2025Q3: 49,650 shares; 2025Q4: 46,572 shares; 2026Q1: 33,981 shares; 2026Q2: 15,325 shares 15,325$2.6M1.14%-18,656Timeline
ELVELEVANCE HEALTH INC FORMERLYQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 5,946 shares 5,946$2.3M1.01%newTimeline
QDELQUIDELORTHO CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 398,072 shares; 2024Q4: 559,882 shares; 2025Q1: 342,015 shares; 2025Q2: 132,363 shares; 2025Q3: 199,121 shares; 2025Q4: 239,049 shares; 2026Q1: 152,057 shares; 2026Q2: 102,800 shares 102,800$1.8M0.79%-49,257Timeline
CELHCELSIUS HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 156,391 shares; 2026Q2: 59,576 shares 59,576$1.74M0.77%-96,815Timeline
VGVENTURE GLOBAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 75,636 shares; 2026Q2: 122,022 shares 122,022$1.36M0.6%+46,386Timeline
TMDXTRANSMEDICS GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 21,524 shares; 2025Q3: 44,218 shares; 2025Q4: 29,344 shares; 2026Q1: 42,478 shares; 2026Q2: 15,406 shares 15,406$1.02M0.45%-27,072Timeline

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
SPYSTATE STR SPDR S&P 500 ETF T SHSput59,400$44.4M+40,200
QQQINVESCO QQQ TR COMput15,900$11.7Mnew

Sold out in Q2 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
FDXFEDEX CORP15,201$5.41Mshares
EQTEQT CORP62,760$3.99Mshares
SOLSSOLSTICE ADVANCED MATLS INC46,433$3.54Mshares
NOWSERVICENOW INC28,682$3Mshares
CECELANESE CORP DEL41,055$2.7Mshares
AVGOBROADCOM INC8,516$2.64Mshares
DMRCDIGIMARC CORP NEW431,772$2.12Mshares
SNDKSANDISK CORP2,942$1.87Mshares
CPCANADIAN PACIFIC KANSAS CITY20,314$1.6Mshares
LYBLYONDELLBASELL INDUSTRIES NV17,202$1.39Mshares
GDSGDS HLDGS LTD31,989$1.29Mshares
MEOHMETHANEX CORP17,308$1.03Mshares
CFCF INDUSTRIES HOLD7,195$934Kshares
ONTOONTO INNOVATION INC3,941$808Kshares

How Q2 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0000919574-26-005460 base2026-08-14acceptance time not in the bulk data set