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Institutional

BEACONLIGHT CAPITAL, LLC

CIK 0001569537
$189.8M
Reported AUM
34
Positions
Q1 2026
Period
2026-05-14
Filed

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.

Portfolio · Q1 2026

CSTM$28.8MREZI$20.0MSTM$13.3MSPY$12.5MSXT$10.7MTECKLNGUGPORNTRACELHFDXOther$54.1MBL

Top holdings

#StockIssuerPriceDay %1Y Gr.5Y Gr.Value% of bookΔ shares (QoQ)Status
1CSTMCONSTELLIUM SE$27.63-4.99%111.61%38.35%$28.8M15.18%HELD
2REZIRESIDEO TECHNOLOGIES INC$35.67-2.67%40.32%10.64%$20.0M10.55%HELD
3STMSTMICROELECTRONICS N V$48.36-3.59%94.44%13.16%$13.3M7.00%HELD
4SPYSTATE STR SPDR S&P 500 ETF T$729.46-1.54%20.48%75.54%$12.5M6.58%HELD
5SXTSENSIENT TECHNOLOGIES CORP$122.60-1.58%11.51%55.72%$10.7M5.66%HELD
6TECKTECK RESOURCES LTD$57.48-1.96%82.98%173.04%$9.5M5.00%HELD
7LNGCHENIERE ENERGY INC$258.612.55%9.58%210.12%$8.5M4.46%HELD
8UUNITY SOFTWARE INC$32.040.66%0.00%-74.89%$7.6M3.99%HELD
9GPORGULFPORT ENERGY CORP$156.832.24%-6.76%134.56%$7.2M3.79%HELD
10NTRANATERA INC$253.820.63%88.60%114.32%$6.7M3.54%HELD
11CELHCELSIUS HLDGS INC$28.88-1.94%-34.15%8.06%$5.5M2.92%HELD
12FDXFEDEX CORP$308.61-1.29%82.19%61.20%$5.4M2.85%HELD
13TNDMTANDEM DIABETES CARE INC$18.594.67%15.32%-84.17%$4.9M2.56%HELD
14SGISOMNIGROUP INTERNATIONAL INC$68.40-5.13%0.70%69.49%$4.4M2.31%HELD
15TMDXTRANSMEDICS GROUP INC$78.002.24%-36.72%133.45%$4.2M2.22%HELD
16EQTEQT CORP$52.571.76%-0.14%201.73%$4.0M2.10%HELD
17SOLSSOLSTICE ADVANCED MATLS INC$55.66-2.88%19.21%14.39%$3.5M1.86%HELD
18NOWSERVICENOW INC$115.764.65%-36.70%-10.07%$3.0M1.58%HELD
19JHXJAMES HARDIE INDS PLC$26.19-2.60%3.90%-28.75%$2.9M1.54%HELD
20SNOWSNOWFLAKE INC$282.904.64%31.87%-11.17%$2.8M1.46%HELD
21CECELANESE CORP DEL$43.930.99%-9.30%-70.15%$2.7M1.42%HELD
22AVGOBROADCOM INC$370.32-2.78%31.81%734.42%$2.6M1.39%HELD
23QDELQUIDELORTHO CORP$16.50-1.02%-26.92%-87.07%$2.5M1.32%HELD
24VICRVICOR CORP$182.77-4.87%316.80%48.14%$2.2M1.14%HELD
25RIGTRANSOCEAN LTD$4.95-0.80%76.95%40.17%$2.2M1.14%HELD
26DMRCDIGIMARC CORP NEW$6.37-1.85%-43.88%-78.21%$2.1M1.12%HELD
27SNDKSANDISK CORP$1015.89-7.32%2358.00%2033.77%$1.9M0.98%HELD
28CPCANADIAN PACIFIC KANSAS CITY$91.29-0.45%26.64%38.59%$1.6M0.84%HELD
29LYBLYONDELLBASELL INDUSTRIES NV$60.493.90%21.34%-16.37%$1.4M0.73%HELD
30GDSGDS HLDGS LTD$29.58-3.40%-10.26%-47.64%$1.3M0.68%HELD
31VGVENTURE GLOBAL INC$13.057.23%$1.2M0.63%HELD
32MEOHMETHANEX CORP$54.642.71%$1.0M0.54%HELD
33CFCF INDUSTRIES HOLD$127.353.60%$934K0.49%HELD
34ONTOONTO INNOVATION INC$218.31-9.75%$808K0.43%HELD

Source: SEC EDGAR · accession 0000919574-26-003095. 13F discloses long positions only — shorts, foreign equities, and options are excluded.