Beaconlight Capital, LLC
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 14, 2025), Beaconlight Capital, LLC reported 28 stock positions worth $202.7 million. Its top holding was Resideo Technologies (REZI) at 13.7% of the portfolio, followed by Constellium (CSTM, 9.3%) and Cheniere Energy (LNG, 7.0%). Compared with Q2 2025, it opened 9 new positions, sold out of 10, added to 10 and reduced 9. The biggest buy was a new position in Sandisk (SNDK) and the biggest sale an exit from Sabre (SABR).
- Most Recent 13F
- Q2 2026
- Location
- New York, NY
- CIK
- 0001569537
- Portfolio Value
- $202.7M (Q3 2025)
- SEC Filing
- 0000919574-25-006888 ↗ filed Nov 14, 2025
Holdings Value
Holdings 28 stocks · $202.7M
| REZI Resideo Technologies Inc. | 13.74% | 645,028 | $27.9M | Reduce -21.4% |
| CSTM Constellium SE | 9.35% | 1,273,505 | $18.9M | Add +37.1% |
| LNG Cheniere Energy Inc. | 6.97% | 60,139 | $14.1M | Reduce -1.1% |
| SXT Sensient Technologies Corp. | 5.29% | 114,231 | $10.7M | Reduce -19.6% |
| TECK Teck Resources Ltd.-CLS B | 5.06% | 233,679 | $10.3M | Add +126.3% |
| GPOR Gulfport Energy Corp. | 4.43% | 49,650 | $9.0M | Add +156.8% |
| SNDK Sandisk Corp. | 4.14% | 74,800 | $8.4M | New |
| AAP Advance Auto Parts Inc. | 4.10% | 135,351 | $8.3M | Add +64.8% |
| SGI Somnigroup International Inc. | 4.09% | 98,420 | $8.3M | New |
| STM Stmicroelectronics NV-NY SHS | 3.64% | 261,232 | $7.4M | New |
| EQT Eqt Corp. | 3.40% | 126,620 | $6.9M | Add +43.4% |
| GDS GDS Holdings Ltd. - ADR filed as GDS HLDGS LTD | 3.09% | 161,815 | $6.3M | New |
| STX Seagate Technology Holdings | 3.06% | 26,246 | $6.2M | Reduce -72.8% |
| YMM Full Truck Alliance -SPN ADR | 2.93% | 458,277 | $5.9M | Add +13.2% |
| QDEL Quidelortho Corp. | 2.89% | 199,121 | $5.9M | Add +50.4% |
| SNOW Snowflake Inc. | 2.62% | 23,566 | $5.3M | New |
| TMDX Transmedics Group Inc. | 2.45% | 44,218 | $5.0M | Add +105.4% |
| U Unity Software Inc. | 2.32% | 117,281 | $4.7M | Reduce -54.5% |
| DMRC Digimarc Corp. | 2.09% | 433,068 | $4.2M | Reduce -8.8% |
| CP Canadian Pacific Kansas City | 2.08% | 56,656 | $4.2M | Add +32.7% |
| MBC Masterbrand Inc. | 1.90% | 292,959 | $3.9M | New |
| BABA Alibaba Group Holding-SP ADR | 1.89% | 21,489 | $3.8M | New |
| TOL Toll Brothers Inc. | 1.88% | 27,562 | $3.8M | New |
| NTRA Natera Inc. | 1.86% | 23,433 | $3.8M | Add +2.0% |
| CCOI Cogent Communications Holdin | 1.76% | 92,910 | $3.6M | Reduce -26.7% |
| ADPT Adaptive Biotechnologies | 1.27% | 171,599 | $2.6M | New |
| TWLO Twilio Inc. Class A | 1.16% | 23,416 | $2.3M | Reduce -65.9% |
| DV Doubleverify Holdings Inc. | 0.55% | 93,163 | $1.1M | Reduce -75.9% |
Portfolio Sells Q2 2025 → Q3 2025
| SABR Sabre Corp. | Sold out | 0.00% | −7.86 |
| STX Seagate Technology Holdings | Reduce -72.8% | 3.06% | −5.09 |
| TWLO Twilio Inc. Class A | Reduce -65.9% | 1.16% | −3.85 |
| FCX Freeport-McMoran Inc. | Sold out | 0.00% | −3.33 |
| SXT Sensient Technologies Corp. | Reduce -19.6% | 5.29% | −2.91 |
| DV Doubleverify Holdings Inc. | Reduce -75.9% | 0.55% | −2.84 |
| CCOI Cogent Communications Holdin | Reduce -26.7% | 1.76% | −1.82 |
| LNG Cheniere Energy Inc. | Reduce -1.1% | 6.97% | −1.69 |
| DMRC Digimarc Corp. | Reduce -8.8% | 2.09% | −1.58 |
| U Unity Software Inc. | Reduce -54.5% | 2.32% | −1.33 |
| CART Maplebear Inc. | Sold out | 0.00% | −1.02 |
| VST Vistra Corp. | Sold out | 0.00% | −1.01 |
| EYE National Vision Holdings Inc. | Sold out | 0.00% | −0.98 |
| OI O-I Glass Inc. | Sold out | 0.00% | −0.79 |
| NXT Nextpower Inc. | Sold out | 0.00% | −0.60 |
| TNDM Tandem Diabetes Care Inc. | Sold out | 0.00% | −0.58 |
| PTON Peloton Interactive Inc. Class A | Sold out | 0.00% | −0.58 |
| LASR Nlight Inc. | Sold out | 0.00% | −0.21 |
| REZI Resideo Technologies Inc. | Reduce -21.4% | 13.74% | +3.15 |
Portfolio Buys Q2 2025 → Q3 2025
| SNDK Sandisk Corp. | New | 4.14% | +4.14 |
| SGI Somnigroup International Inc. | New | 4.09% | +4.09 |
| STM Stmicroelectronics NV-NY SHS | New | 3.64% | +3.64 |
| GDS GDS Holdings Ltd. - ADR | New | 3.09% | +3.09 |
| SNOW Snowflake Inc. | New | 2.62% | +2.62 |
| TECK Teck Resources Ltd.-CLS B | Add +126.3% | 5.06% | +2.62 |
| GPOR Gulfport Energy Corp. | Add +156.8% | 4.43% | +2.16 |
| CSTM Constellium SE | Add +37.1% | 9.35% | +2.12 |
| MBC Masterbrand Inc. | New | 1.90% | +1.90 |
| BABA Alibaba Group Holding-SP ADR | New | 1.89% | +1.89 |
| TOL Toll Brothers Inc. | New | 1.88% | +1.88 |
| AAP Advance Auto Parts Inc. | Add +64.8% | 4.10% | +1.87 |
| ADPT Adaptive Biotechnologies | New | 1.27% | +1.27 |
| TMDX Transmedics Group Inc. | Add +105.4% | 2.45% | +0.76 |
| QDEL Quidelortho Corp. | Add +50.4% | 2.89% | +0.66 |
| EQT Eqt Corp. | Add +43.4% | 3.40% | +0.39 |
| YMM Full Truck Alliance -SPN ADR | Add +13.2% | 2.93% | +0.13 |
| CP Canadian Pacific Kansas City | Add +32.7% | 2.08% | +0.10 |
| NTRA Natera Inc. | Add +2.0% | 1.86% | −0.41 |
Options Activity Q2 2025 → Q3 2025
| SPY SS SPDR S&P 500 ETF Trust-US | put | Sold out | 7,000 | $4.3Mbefore exit |
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 31 | $227.2M | SXT, CSTM, NTRA, SNOW, LNG |
| Q1 2026 | 33 | $177.3M | CSTM, REZI, STM, SXT, TECK |
| Q4 2025 | 23 | $171.2M | CSTM, REZI, SXT, GPOR, TECK |
| Q3 2025 | 28 | $202.7M | REZI, CSTM, LNG, SXT, TECK |
| Q2 2025 | 29 | $170.9M | REZI, LNG, SXT, STX, SABR |
| Q1 2025 | 21 | $146.3M | REZI, CCOI, LNG, SABR, QDEL |
| Q4 2024 | 28 | $250.1M | DMRC, CCOI, QDEL, REZI, LNG |
| Q3 2024 | 27 | $243.0M | REZI, CCOI, DMRC, QDEL, SABR |
| Q2 2024 | 29 | $197.3M | DMRC, CSTM, LNG, CCOI, REZI |
| Q1 2024 | 26 | $222.9M | CSTM, CCOI, DMRC, GM, REZI |