Goodlander Investment Management, LLC
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 14, 2025), Goodlander Investment Management, LLC reported 11 stock positions worth $262.3 million. Its top holding was Mastec (MTZ) at 14.7% of the portfolio, followed by Primoris Services (PRIM, 14.4%) and Vistra (VST, 11.2%). Compared with Q2 2025, it opened 6 new positions, sold out of 6, added to 1 and reduced 4. The biggest buy was a new position in Primoris Services (PRIM) and the biggest sale an exit from Core Scientific (CORZ).
- Most Recent 13F
- Q2 2026
- Location
- DALLAS, TX
- CIK
- 0002018973
- Portfolio Value
- $262.3M (Q3 2025)
- SEC Filing
- 0002018973-25-000012 ↗ filed Nov 14, 2025
Holdings Value
Holdings 11 stocks · $262.3M
| MTZ Mastec Inc. | 14.69% | 181,000 | $38.5M | Reduce -9.5% |
| PRIM Primoris Services Corp. | 14.40% | 275,000 | $37.8M | New |
| VST Vistra Corp. | 11.20% | 150,000 | $29.4M | Add +13.5% |
| SEI Solaris Energy Infrastructur | 9.91% | 650,000 | $26.0M | Reduce -7.1% |
| NRG NRG Energy Inc. | 9.88% | 160,000 | $25.9M | Reduce -14.9% |
| AGX Argan Inc. | 9.78% | 95,000 | $25.7M | Reduce -20.8% |
| FSLR First Solar Inc. | 8.41% | 100,000 | $22.1M | New |
| HUT Hut 8 Corp. | 7.30% | 550,000 | $19.1M | New |
| GPRE Green Plains Inc. | 6.70% | 2,000,000 | $17.6M | New |
| MP MP Materials Corp. | 5.63% | 220,000 | $14.8M | New |
| RUN Sunrun Inc. | 2.11% | 320,000 | $5.5M | New |
Portfolio Sells Q2 2025 → Q3 2025
| CORZ Core Scientific Inc. | Sold out | 0.00% | −14.36 |
| DAR Darling Ingredients Inc. | Sold out | 0.00% | −11.68 |
| GNRC Generac Holdings Inc. | Sold out | 0.00% | −5.88 |
| BE Bloom Energy Corp. Class A | Sold out | 0.00% | −4.91 |
| VRT Vertiv Holdings Co. Class A | Sold out | 0.00% | −3.69 |
| WULF Terawulf Inc. | Sold out | 0.00% | −3.60 |
| NRG NRG Energy Inc. | Reduce -14.9% | 9.88% | −2.51 |
| AGX Argan Inc. | Reduce -20.8% | 9.78% | −1.08 |
| MTZ Mastec Inc. | Reduce -9.5% | 14.69% | +0.69 |
| SEI Solaris Energy Infrastructur | Reduce -7.1% | 9.91% | +1.78 |
Portfolio Buys Q2 2025 → Q3 2025
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 15 | $331.3M | MTZ, FIX, LGN, FLNC, GNRC |
| Q1 2026 | 12 | $289.1M | MTZ, FPS, CORZ, MP, CTRI |
| Q4 2025 | 11 | $261.8M | SEI, MTZ, EME, LBRT, GEV |
| Q3 2025 | 11 | $262.3M | MTZ, PRIM, VST, SEI, NRG |
| Q2 2025 | 11 | $243.6M | CORZ, MTZ, NRG, DAR, AGX |
| Q1 2025 | 10 | $117.2M | MTZ, GEV, AGX, AR, EXE |
| Q4 2024 | 10 | $135.9M | MTZ, VST, NXT, EXE, AR |