CIK: 0001569537
Total reported value
$189.8M
Reporting period: 2026-03-31 · Number of holdings: 34
BEACONLIGHT CAPITAL, LLC disclosed 34 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $189.8M and a quarterly turnover rate of 67.8%.
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Beaconlight Capital, LLC's disclosed holdings carry a Herfindahl concentration index of 0.062 — mathematically equivalent to about 16 equally-sized positions, well below its 34 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 1.06), suggesting a disciplined, rules-based approach to how much capital goes into each idea.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Sector classification currently covers about 67% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Trim REZI
-14.3% -$4.3M
Trim SNDK
-90.8% -$5.7M
Trim QDEL
-36.4% -$4.3M
Trim SGI
-37.3% -$4.0M
Trim GDS
-76.5% -$3.5M
Trim SNOW
-33.8% -$3.3M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | CSTM | Constellium SE | Stock-Other | 15.18% | +0.43% | -12.55% | |
| 2 | REZI | Resideo Technologies INC | Stock-Industrials | 10.55% | -3.67% | -14.29% | |
| 3 | STM | Stmicroelectronics Nv-ny Shs | Stock-Tech | 7.00% | +7.00% | NEW | |
| 4 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 6.58% | +6.58% | NEW | |
| 5 | SXT | Sensient Technologies CORP | Stock-Materials | 5.66% | -1.91% | -10.03% | |
| 6 | TECK | Teck Resources Ltd-cls B | Stock-Materials | 5.00% | -0.35% | -4.15% | |
| 7 | LNG | Cheniere Energy INC | Stock-Energy | 4.46% | +0.39% | -16.84% | |
| 8 | U | Unity Software INC | Stock-Tech | 3.99% | -0.41% | +102.50% | |
| 9 | GPOR | Gulfport Energy CORP | Stock-Other | 3.79% | -1.87% | -27.04% | |
| 10 | NTRA | Natera INC | Stock-Healthcare | 3.54% | +0.42% | +44.25% | |
| 11 | CELH | Celsius Holdings INC | Stock-Consumer Staples | 2.92% | +2.92% | NEW | |
| 12 | FDX | Fedex CORP | Stock-Industrials | 2.85% | +2.85% | NEW | |
| 13 | TNDM | Tandem Diabetes Care INC | Stock-Other | 2.56% | +2.56% | NEW | |
| 14 | SGI | Somnigroup International INC | Stock-Consumer Disc | 2.31% | -2.61% | -37.26% | |
| 15 | TMDX | Transmedics Group INC | Stock-Healthcare | 2.22% | +0.14% | +44.76% | |
| 16 | EQT | Eqt CORP | Stock-Energy | 2.10% | -0.81% | -32.44% | |
| 17 | SOLS | Solstice Adv Materials INC | Stock-Materials | 1.86% | +1.86% | NEW | |
| 18 | NOW | Servicenow INC | Stock-Tech | 1.58% | +1.58% | NEW | |
| 19 | JHX | James Hardie Industries plc | Stock-Other | 1.54% | +0.13% | +31.91% | |
| 20 | SNOW | Snowflake INC | Stock-Tech | 1.46% | -2.09% | -33.81% | |
| 21 | CE | Celanese CORP | Stock-Materials | 1.42% | +1.42% | NEW | |
| 22 | AVGO | Broadcom INC | Stock-Tech | 1.39% | +1.39% | NEW | |
| 23 | QDEL | Quidelortho CORP | Stock-Other | 1.32% | -2.67% | -36.39% | |
| 24 | VICR | Vicor CORP | Stock-Tech | 1.14% | -0.73% | -53.94% | |
| 25 | RIG | Transocean Ltd. | Stock-Energy | 1.14% | +1.14% | NEW | |
| 26 | DMRC | Digimarc Corporation | Stock-Other | 1.12% | -0.53% | — | |
| 27 | SNDK | Sandisk CORP | Stock-Tech | 0.98% | -3.44% | -90.77% | |
| 28 | CP | Canadian Pacific Kansas City | Stock-Industrials | 0.84% | +0.84% | NEW | |
| 29 | LYB | LyondellBasell Industries N.V. | Stock-Materials | 0.73% | +0.73% | NEW | |
| 30 | GDS | Gds Holdings LTD - Adr | Stock-Other | 0.68% | -2.09% | -76.49% | |
| 31 | VG | Venture Global Inc-cl A | Stock-Energy | 0.63% | +0.63% | NEW | |
| 32 | MEOH | Methanex CORP | Stock-Other | 0.54% | +0.54% | NEW | |
| 33 | CF | Cf Industries Holdings INC | Stock-Materials | 0.49% | +0.49% | NEW | |
| 34 | ONTO | Onto Innovation INC | Stock-Tech | 0.43% | +0.43% | NEW |
Performance for Q3 2026
-3.1%
Performance Last 4 Quarters
+14.1%
Based on 75% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 34 | $189.8M | 68 | |
| 2025-12-31 | 23 | $171.2M | 53 | |
| 2025-09-30 | 28 | $202.7M | 100 | |
| 2025-06-30 | 30 | $175.2M | 0 | |
| 2025-03-31 | 24 | $149.3M | 100 | |
| 2024-12-31 | 30 | $269.7M | 0 | |
| 2024-09-30 | 28 | $245.7M | 0 | |
| 2024-06-30 | 31 | $222.9M | 0 | |
| 2024-03-31 | 34 | $250.7M | 0 | |
| 2023-12-31 | 32 | $246.6M | 0 | |
| 2023-09-30 | 31 | $231.3M | 0 | |
| 2023-06-30 | 30 | $217.4M | 0 | |
| 2023-03-31 | 26 | $189.3M | 0 | |
| 2022-12-31 | 37 | $178.1M | 0 | |
| 2022-09-30 | 33 | $177.1M | 0 | |
| 2022-06-30 | 38 | $215.7M | 0 | |
| 2022-03-31 | 38 | $316.1M | 0 | |
| 2021-12-31 | 39 | $289.8M | 0 | |
| 2021-09-30 | 40 | $229.0M | 0 | |
| 2021-06-30 | 41 | $280.1M | 100 | |
| 2021-03-31 | 35 | $620.2M | 100 | |
| 2020-12-31 | 43 | $329.5M | 83 | |
| 2020-09-30 | 35 | $279.4M | 73 | |
| 2020-06-30 | 34 | $299.7M | 91 | |
| 2020-03-31 | 39 | $376.1M | 89 | |
| 2019-12-31 | 33 | $458.3M | 0 | |
| 2019-09-30 | 37 | $401.9M | 67 | |
| 2019-06-30 | 27 | $382.8M | 62 | |
| 2019-03-31 | 25 | $352.1M | 79 | |
| 2018-12-31 | 27 | $289.0M | 92 | |
| 2018-09-30 | 25 | $306.9M | 64 | |
| 2018-06-30 | 21 | $267.4M | 71 | |
| 2018-03-31 | 19 | $266.7M | 38 | |
| 2017-12-31 | 21 | $272.4M | 74 | |
| 2017-09-30 | 18 | $189.4M | 100 | |
| 2017-06-30 | 15 | $124.4M | 60 | |
| 2017-03-31 | 17 | $157.4M | 71 | |
| 2016-12-31 | 26 | $185.8M | 100 | |
| 2016-09-30 | 30 | $275.8M | 80 | |
| 2016-06-30 | 27 | $214.4M | 68 | |
| 2016-03-31 | 20 | $170.0M | 62 | |
| 2015-12-31 | 23 | $165.2M | 100 | |
| 2015-09-30 | 22 | $165.2M | 57 | |
| 2015-06-30 | 17 | $135.4M | 73 | |
| 2015-03-31 | 14 | $107.8M | 58 | |
| 2014-12-31 | 15 | $113.5M | 85 | |
| 2014-09-30 | 20 | $96.1M | 71 | |
| 2014-06-30 | 21 | $116.2M | 39 | |
| 2014-03-31 | 20 | $117.9M | 98 | |
| 2013-12-31 | 18 | $77.0M | 78 | |
| 2013-09-30 | 26 | $82.7M | 69 | |
| 2013-06-30 | 31 | $93.3M | 0 |
Beaconlight Capital, LLC's most significant position changes for 2026-03-31: New buy: Stmicroelectronics Nv-ny Shs (STM); New buy: Ss Spdr S&p 500 ETF Trust-us (SPY); Sold out: Carpenter Technology (CRS); Sold out: Twilio INC - A (TWLO); New buy: Celsius Holdings INC (CELH).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | CSTM | Constellium SE | +0.4% | -12.55% | Trim |
| 2 | NTRA | Natera INC | +0.4% | +44.25% | Add |
| 3 | LNG | Cheniere Energy INC | +0.4% | -16.84% | Trim |
| 4 | TMDX | Transmedics Group INC | +0.1% | +44.76% | Add |
| 5 | JHX | James Hardie Industries plc | +0.1% | +31.91% | Add |
| 6 | TECK | Teck Resources Ltd-cls B | -0.4% | -4.15% | Trim |
| 7 | U | Unity Software INC | -0.4% | +102.50% | Add |
| 8 | DMRC | Digimarc Corporation | -0.5% | — | Unchanged |
| 9 | VICR | Vicor CORP | -0.7% | -53.94% | Trim |
| 10 | EQT | Eqt CORP | -0.8% | -32.44% | Trim |
| 11 | GPOR | Gulfport Energy CORP | -1.9% | -27.04% | Trim |
| 12 | SXT | Sensient Technologies CORP | -1.9% | -10.03% | Trim |
| 13 | GDS | Gds Holdings LTD - Adr | -2.1% | -76.49% | Trim |
| 14 | SNOW | Snowflake INC | -2.1% | -33.81% | Trim |
| 15 | SGI | Somnigroup International INC | -2.6% | -37.26% | Trim |
| 16 | QDEL | Quidelortho CORP | -2.7% | -36.39% | Trim |
| 17 | SNDK | Sandisk CORP | -3.4% | -90.77% | Trim |
| 18 | REZI | Resideo Technologies INC | -3.7% | -14.29% | Trim |
| 19 | STM | Stmicroelectronics Nv-ny Shs | — | NEW | New buy |
| 20 | SPY | Ss Spdr S&p 500 ETF Trust-us | — | NEW | New buy |
| 21 | CRS | Carpenter Technology | — | EXIT | Sold out |
| 22 | TWLO | Twilio INC - A | — | EXIT | Sold out |
| 23 | CELH | Celsius Holdings INC | — | NEW | New buy |
| 24 | FDX | Fedex CORP | — | NEW | New buy |
| 25 | TNDM | Tandem Diabetes Care INC | — | NEW | New buy |
| 26 | SOLS | Solstice Adv Materials INC | — | NEW | New buy |
| 27 | STX | Seagate Technology Holdings plc | — | EXIT | Sold out |
| 28 | NOW | Servicenow INC | — | NEW | New buy |
| 29 | CE | Celanese CORP | — | NEW | New buy |
| 30 | AVGO | Broadcom INC | — | NEW | New buy |
| 31 | RIG | Transocean Ltd. | — | NEW | New buy |
| 32 | CP | Canadian Pacific Kansas City | — | NEW | New buy |
| 33 | LYB | LyondellBasell Industries N.V. | — | NEW | New buy |
| 34 | VG | Venture Global Inc-cl A | — | NEW | New buy |
| 35 | MEOH | Methanex CORP | — | NEW | New buy |
| 36 | CF | Cf Industries Holdings INC | — | NEW | New buy |
| 37 | FICO | Fair Isaac CORP | — | EXIT | Sold out |
| 38 | ONTO | Onto Innovation INC | — | NEW | New buy |
| 39 | AAP | Advance Auto Parts INC | — | EXIT | Sold out |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-14 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-02-17 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-11-14 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-08-14 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-05-15 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-02-14 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-11-13 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-08-14 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-14 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-02-13 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-11-14 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-08-11 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-05-12 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-02-14 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-11-14 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-08-15 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-05-13 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-02-14 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-11-15 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-08-16 | 13F-HR | View on EDGAR |
| 2021-03-31 | 2021-05-17 | 13F-HR | View on EDGAR |
| 2020-12-31 | 2021-02-16 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-11-16 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-08-14 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-05-15 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-03-04 | Amendment | View on EDGAR |
| 2019-12-31 | 2020-02-14 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-11-14 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-08-14 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-05-15 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-02-14 | 13F-HR | View on EDGAR |
| 2018-09-30 | 2018-11-14 | 13F-HR | View on EDGAR |
| 2018-06-30 | 2018-08-14 | 13F-HR | View on EDGAR |
| 2018-03-31 | 2018-05-15 | 13F-HR | View on EDGAR |
| 2017-12-31 | 2018-02-14 | 13F-HR | View on EDGAR |
| 2017-09-30 | 2017-11-14 | 13F-HR | View on EDGAR |
| 2017-06-30 | 2017-08-14 | 13F-HR | View on EDGAR |
| 2017-03-31 | 2017-05-12 | 13F-HR | View on EDGAR |
| 2016-12-31 | 2017-02-14 | 13F-HR | View on EDGAR |
| 2016-09-30 | 2016-11-14 | 13F-HR | View on EDGAR |
| 2016-06-30 | 2016-08-15 | 13F-HR | View on EDGAR |
| 2016-03-31 | 2016-05-16 | 13F-HR | View on EDGAR |
| 2015-12-31 | 2016-02-16 | 13F-HR | View on EDGAR |
| 2015-09-30 | 2015-11-16 | 13F-HR | View on EDGAR |
| 2015-06-30 | 2015-08-14 | 13F-HR | View on EDGAR |
| 2015-03-31 | 2015-05-15 | 13F-HR | View on EDGAR |
| 2014-12-31 | 2015-02-17 | 13F-HR | View on EDGAR |
| 2014-09-30 | 2014-11-14 | 13F-HR | View on EDGAR |
| 2014-06-30 | 2014-08-14 | 13F-HR | View on EDGAR |
| 2014-03-31 | 2014-05-15 | 13F-HR | View on EDGAR |
| 2013-12-31 | 2014-02-14 | 13F-HR | View on EDGAR |
| 2013-09-30 | 2013-11-14 | 13F-HR | View on EDGAR |
| 2013-06-30 | 2013-08-14 | 13F-HR | View on EDGAR |
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