BEACONLIGHT CAPITAL, LLC
13F filer · CIK 1569537 · New York, NY
Summary
BEACONLIGHT CAPITAL, LLC reported $283.25M across 33 positions in its 13F for 2026 Q2, filed Aug 14, 2026. The largest holdings are SXT (9.7%), CSTM (8.8%), NTRA (5.1%). Versus 2026 Q1, leaving options aside, it opened 12 new positions, added to 9, trimmed 10 and sold out of 14.
Reported value$283.25M
Positions33incl. options
Report period2026 Q2
FiledAug 14, 2026
New positions12
Added9
Trimmed10
Sold out14
Top 25 holdings
By reported value, options listed separately · change vs 2026 Q1
Weight 9.7%Value $27.35MPrice $128.88Shares 222K +78.62%Since Jun 30 +4.53%
Weight 8.8%Value $24.86MPrice $24.63Shares 780K -33.45%Since Jun 30 -22.72%
Weight 5.1%Value $14.47MPrice $411.77Shares 53K +58.72%Since Jun 30 +51.69%
Weight 4.8%Value $13.53MPrice $328.12Shares 53K +190.33%Since Jun 30 +28.93%
Weight 4.7%Value $13.29MPrice $269.65Shares 56K +86.65%Since Jun 30 +12.82%
Weight 4.2%Value $12.04MPrice $33.53Shares 276KSince Jun 30 -23.11%
Weight 3.6%Value $10.06MPrice $62.28Shares 128K +116.74%Since Jun 30 -20.56%
Weight 3.5%Value $10.04MPrice $18.22Shares 323K -45.65%Since Jun 30 -41.41%
Weight 3.0%Value $8.54MPrice $25.39Shares 326K +112.00%Since Jun 30 -3.02%
Weight 2.8%Value $8.01MPrice $9.10Shares 650KSince Jun 30 -26.20%
Weight 2.8%Value $7.96MPrice $65.16Shares 134K -27.00%Since Jun 30 +9.59%
Weight 2.7%Value $7.66MPrice $84.03Shares 82KSince Jun 30 -10.28%
Weight 2.4%Value $6.86MPrice $63.55Shares 88KSince Jun 30 -18.39%
Weight 2.1%Value $6.07MPrice $39.86Shares 212K -38.47%Since Jun 30 +39.47%
Weight 2.1%Value $6.06MPrice $286.98Shares 29KSince Jun 30 +39.09%
Weight 2.1%Value $5.87MPrice $10.98Shares 365KSince Jun 30 -31.76%
Weight 1.7%Value $4.83MPrice $49.13Shares 88KSince Jun 30 -10.67%
Weight 1.7%Value $4.78MPrice $111.51Shares 35KSince Jun 30 -18.00%
Weight 1.7%Value $4.78MPrice $5.92Shares 978K +199.12%Since Jun 30 +21.06%
Weight 1.4%Value $4.01MPrice $16.42Shares 266K +4.78%Since Jun 30 +8.81%
Weight 1.2%Value $3.27MPrice $389.63Shares 8,220Since Jun 30 -1.91%
Weight 1.1%Value $3.12MPrice $285.10Shares 8,218 -39.02%Since Jun 30 -24.93%
Weight 1.1%Value $3.10MPrice $52.74Shares 41K -89.25%Since Jun 30 -29.58%
Weight 1.1%Value $3.00MPrice $86.82Shares 34KSince Jun 30 -1.48%
Weight 1.0%Value $2.79MPrice $4.90Shares 339KSince Jun 30 -40.39%
| Stock | Weight | Value | Since Jun 30 | Shares change | Action |
|---|---|---|---|---|---|
| 9.7% | $27.35M | +4.53% | +78.62% | Add | |
| 8.8% | $24.86M | -22.72% | -33.45% | Trim | |
| 5.1% | $14.47M | +51.69% | +58.72% | Add | |
| 4.8% | $13.53M | +28.93% | +190.33% | Add | |
| 4.7% | $13.29M | +12.82% | +86.65% | Add | |
| 4.2% | $12.04M | -23.11% | — | New | |
| 3.6% | $10.06M | -20.56% | +116.74% | Add | |
| 3.5% | $10.04M | -41.41% | -45.65% | Trim | |
| 3.0% | $8.54M | -3.02% | +112.00% | Add | |
| 2.8% | $8.01M | -26.20% | — | New | |
| 2.8% | $7.96M | +9.59% | -27.00% | Trim | |
| 2.7% | $7.66M | -10.28% | — | New | |
| 2.4% | $6.86M | -18.39% | — | New | |
| 2.1% | $6.07M | +39.47% | -38.47% | Trim | |
| 2.1% | $6.06M | +39.09% | — | New | |
| 2.1% | $5.87M | -31.76% | — | New | |
| 1.7% | $4.83M | -10.67% | — | New | |
| 1.7% | $4.78M | -18.00% | — | New | |
| 1.7% | $4.78M | +21.06% | +199.12% | Add | |
| 1.4% | $4.01M | +8.81% | +4.78% | Add | |
| 1.2% | $3.27M | -1.91% | — | New | |
| 1.1% | $3.12M | -24.93% | -39.02% | Trim | |
| 1.1% | $3.10M | -29.58% | -89.25% | Trim | |
| 1.1% | $3.00M | -1.48% | — | New | |
| 1.0% | $2.79M | -40.39% | — | New |
Weight is the share of the reported 13F value, including options at notional value. “Since Jun 30” compares the latest close with the quarter-end price implied by the filing (value ÷ shares).
Largest buys in 2026 Q2
Largest sells in 2026 Q2
Options
Notional value, listed apart from stocks
Source: SEC Form 13F, values as reported by the filer. Filings lag up to 45 days after quarter end and cover only certain long positions. Research only, not investment advice.