Lloyd Harbor Capital Management, LLC In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Lloyd Harbor Capital Management, LLC reported 20 stock positions worth $193.2 million . Its top holding was Exxon Mobil (XOM) at 19.1% of the portfolio, followed by Vaneck Urani & Nuclr ETF-Usd (NLR, 12.8% ) and Petroleo Brasileiro-Spon ADR (PBR, 7.9% ). Compared with Q4 2025, it opened 12 new positions, sold out of 8, added to 1 and reduced 7. The biggest buy was a new position in Exxon Mobil (XOM) and the biggest sale Cameco (CCJ, shares −90% ).
Location COLD SPRING HARBOR, NY
CIK 0001847935
Portfolio Value $193.2M (Q1 2026) Holdings 20 stocks · $193.2M Holdings quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock % Of Portfolio ▼ Shares Held Total Value Change vs Q4 2025 XOM Exxon Mobil Corp. 217,000 $36.8M New NLR Vaneck Urani & Nuclr ETF-Usd 185,000 $24.6M New PBR Petroleo Brasileiro-Spon ADR 740,000 $15.4M New NXE Nexgen Energy Ltd. 1,237,817 $14.4M Reduce -59.3% URG Ur-Energy Inc. 6,255,707 $9.3M Reduce -36.8% CVE Cenovus Energy Inc. 350,000 $9.3M New RIG Transocean Ltd. 1,324,900 $8.8M Reduce -41.1% SOLS Solstice Adv Materials Inc. 97,500 $7.4M Reduce -71.7% WY Weyerhaeuser Co. 300,000 $7.3M New WLK Westlake Corp. 62,000 $7.2M New AVNT Avient Corp. 195,000 $7.1M New ASIX Advansix Inc. 290,000 $7.1M Add +286.7% UEC Uranium Energy Corp. 500,000 $6.8M New OLN Olin Corp. 220,000 $6.5M New EMN Eastman Chemical Co. 78,000 $6.0M New CRGY Crescent Energy Inc. Class A 355,000 $4.8M New URNM Sprott Uranium Miners ETF 69,471 $4.4M Reduce -77.1% SLB SLB Ltd. filed as SLB LIMITED 75,287 $3.9M New DNN Denison Mines Corp. 900,000 $3.2M Reduce -85.3% CCJ Cameco Corp. 27,461 $3.0M Reduce -89.7%
Options reported separately and not counted above: XOM puts ($28.8M), PBR puts ($10.4M), SOLS puts ($7.4M), CVE puts ($2.7M), CC puts ($1.7M), DNN calls ($530K).
Portfolio Sells Q4 2025 → Q1 2026 Portfolio Sells quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q4 2025 % Of Portfolio Change To Portfolio ▲ CCJ Cameco Corp. Reduce -89.7% 1.54% −11.65 NXE Nexgen Energy Ltd. Reduce -59.3% 7.43% −7.64 DNN Denison Mines Corp. Reduce -85.3% 1.64% −7.11 URNM Sprott Uranium Miners ETF Reduce -77.1% 2.27% −6.70 TDW Tidewater Inc. Sold out 0.00% −5.27 SOLS Solstice Adv Materials Inc. Reduce -71.7% 3.84% −5.20 VAL Valaris Ltd. Sold out 0.00% −4.89 JKS Jinkosolar Holding Co.-ADR Sold out 0.00% −4.69 CE Celanese Corp. Sold out 0.00% −4.33 SDRL Seadrill Limited Sold out 0.00% −4.11 HON Honeywell International Inc. Sold out 0.00% −4.10 DQ Daqo New Energy Corp.-ADR Sold out 0.00% −2.91 URG Ur-Energy Inc. Reduce -36.8% 4.83% −2.60 TROX Tronox Holdings PLC Sold out 0.00% −1.52 RIG Transocean Ltd. Reduce -41.1% 4.55% −0.46
Portfolio Buys Q4 2025 → Q1 2026 Portfolio Buys quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q4 2025 % Of Portfolio Change To Portfolio ▼ XOM Exxon Mobil Corp. New 19.06% +19.06 NLR Vaneck Urani & Nuclr ETF-Usd New 12.76% +12.76 PBR Petroleo Brasileiro-Spon ADR New 7.95% +7.95 CVE Cenovus Energy Inc. New 4.81% +4.81 WY Weyerhaeuser Co. New 3.79% +3.79 WLK Westlake Corp. New 3.75% +3.75 AVNT Avient Corp. New 3.66% +3.66 UEC Uranium Energy Corp. New 3.49% +3.49 OLN Olin Corp. New 3.39% +3.39 EMN Eastman Chemical Co. New 3.08% +3.08 ASIX Advansix Inc. Add +286.7% 3.66% +2.96 CRGY Crescent Energy Inc. Class A New 2.48% +2.48 SLB SLB Ltd. New 2.00% +2.00
Options Activity Q4 2025 → Q1 2026 Security Type Change vs Q4 2025 Underlying Shares Value ▼ XOM Exxon Mobil Corp. put New 170,000 $28.8M PBR Petroleo Brasileiro-Spon ADR put New 500,000 $10.4M RIG Transocean Ltd. put Sold out 2,000,000 $8.3Mbefore exit VAL Valaris Ltd. put Sold out 150,000 $7.6Mbefore exit SOLS Solstice Adv Materials Inc. put New 97,000 $7.4M NXE Nexgen Energy Ltd. call Sold out 700,000 $6.4Mbefore exit CVE Cenovus Energy Inc. put New 100,000 $2.7M CC The Chemours Co. put New 75,000 $1.7M DNN Denison Mines Corp. call New 150,000 $530K
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 16 $85.7M URNM, URA, XOM, WY, URG Q1 2026 20 $193.2M XOM, NLR, PBR, NXE, URG Q4 2025 16 $185.4M NXE, CCJ, SOLS, URNM, DNN Q3 2025 14 $208.4M NXE, URNM, URG, CCJ, JKS Q2 2025 15 $142.6M CCJ, NXE, UEC, DNN, JKS Q1 2025 18 $132.0M NXE, CCJ, UEC, SU, DNN Q4 2024 17 $152.8M CCJ, SHEL, URG, NXE, CVE Q3 2024 20 $199.6M CCJ, URG, URNM, NXE, SLB Q2 2024 17 $163.3M CCJ, NXE, VAL, URA, AEM Q1 2024 12 $141.1M TDW, NXE, SBSW, VAL, AEM