Electron Capital Partners, LLC In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 19, 2026), Electron Capital Partners, LLC reported 39 stock positions worth $2.2 billion . Its top holding was Constellation Energy (CEG) at 9.5% of the portfolio, followed by Mastec (MTZ, 8.1% ) and Xcel Energy (XEL, 6.6% ). Compared with Q3 2025, it opened 10 new positions, sold out of 7, added to 8 and reduced 19. The biggest buy was a new position in Coherent (COHR) and the biggest sale GE Vernova (GEV, shares −92% ).
Location NEW YORK, NY
CIK 0001586986
Portfolio Value $2.2B (Q4 2025) Holdings 39 stocks · $2.2B 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 Q3 2025 CEG Constellation Energy 580,265 $205.0M Reduce -0.5% MTZ Mastec Inc. 804,303 $174.8M Reduce -1.8% XEL Xcel Energy Inc. 1,936,695 $143.0M Add +15.2% NEE Nextera Energy Inc. 1,767,427 $141.9M Reduce -10.2% JCI Johnson Controls Internation 1,139,591 $136.5M Add +6.5% ETR Entergy Corp. 1,440,084 $133.1M Reduce -6.5% MMM 3M Co. 801,662 $128.3M Add +0.6% COHR Coherent Corp. 500,145 $92.3M New PWR Quanta Services Inc. 179,642 $75.8M Reduce -24.8% EXC Exelon Corp. 1,645,168 $71.7M Add +0.5% EOSE Eos Energy Enterprises Inc. 6,121,896 $70.2M Reduce -7.2% ULS Ul Solutions Inc. Class A 855,439 $67.5M Add +8.8% FE Firstenergy Corp. 1,472,177 $65.9M New WMB Williams Cos Inc. 1,085,885 $65.3M New FLEX Flex Ltd. 948,159 $57.3M New NXT Nextpower Inc. 631,726 $55.0M Add +11.5% SEDG Solaredge Technologies Inc. 1,623,822 $46.8M Reduce -6.3% ENVX Enovix Corp. 6,054,051 $44.3M Reduce -24.7% UAL United Airlines Holdings Inc. 391,337 $43.8M Reduce -33.6% CAT Caterpillar Inc. 74,761 $42.8M New BA The Boeing Co. 181,481 $39.4M Reduce -47.3% CVNA Carvana Co. 90,864 $38.3M New PCG P G & E Corp. 2,367,959 $38.1M Add +19.0% KEYS Keysight Technologies Inc. 161,004 $32.7M New CGNX Cognex Corp. 852,984 $30.7M Reduce -38.5% ARRY Array Technologies Inc. 2,640,417 $24.3M Reduce -30.2% TE T1 Energy Inc. 3,500,021 $23.4M New EIX Edison International 344,603 $20.7M Reduce -48.5% SGML Sigma Lithium Corp. 1,112,845 $14.7M No change GEV GE Vernova Inc. 15,859 $10.4M Reduce -91.8% VRT Vertiv Holdings Co. Class A 26,789 $4.3M Reduce -5.2% OPAL Opal Fuels Inc. Class A 1,800,000 $4.2M No change GDS GDS Holdings Ltd. - ADR filed as GDS HLDGS LTD 105,448 $3.7M Add +52.2% SHLS Shoals Technologies Group -A 301,216 $2.6M Reduce -5.2% HSAI Hesai Group 60,319 $1.4M Reduce -5.2% WRD Weride Inc.-ADR 133,094 $1.2M Reduce -5.2% FTCI FTC Solar Inc. 89,724 $979K New PONY Pony AI Inc. 50,076 $726K New EH Ehang Holdings Ltd.-SPS ADR 33,977 $448K Reduce -5.2%
Other holdings (1): bonds, preferreds, convertibles and warrants · $41K (not counted above) Security Class Shares / Principal Value Change SESCW Ivanhoe Capital Class A -CW27 *W EXP 12/10/202 239,752 $41K No change
Total filed on the 13F, all lines: $2.2B.
Portfolio Sells Q3 2025 → Q4 2025 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 Q3 2025 % Of Portfolio Change To Portfolio ▲ GEV GE Vernova Inc. Reduce -91.8% 0.48% −4.94 PPL PPL Corp. Sold out 0.00% −3.76 ZBRA Zebra Technologies Corp. Class A Sold out 0.00% −1.89 APD Air Products & Chemicals Inc. Sold out 0.00% −1.72 ENVX Enovix Corp. Reduce -24.7% 2.06% −1.58 BA The Boeing Co. Reduce -47.3% 1.83% −1.54 BWA Borgwarner Inc. Sold out 0.00% −1.44 CGNX Cognex Corp. Reduce -38.5% 1.43% −1.42 CE Celanese Corp. Sold out 0.00% −1.08 PWR Quanta Services Inc. Reduce -24.8% 3.52% −0.96 MBLY Mobileye Global Inc. Class A Sold out 0.00% −0.82 SEDG Solaredge Technologies Inc. Reduce -6.3% 2.18% −0.73 EIX Edison International Reduce -48.5% 0.96% −0.72 UAL United Airlines Holdings Inc. Reduce -33.6% 2.03% −0.54 PLUG Plug Power Inc. Sold out 0.00% −0.48 ETR Entergy Corp. Reduce -6.5% 6.18% −0.32 ARRY Array Technologies Inc. Reduce -30.2% 1.13% −0.27 EOSE Eos Energy Enterprises Inc. Reduce -7.2% 3.26% −0.14 NEE Nextera Energy Inc. Reduce -10.2% 6.59% −0.14 HSAI Hesai Group Reduce -5.2% 0.06% −0.02 EH Ehang Holdings Ltd.-SPS ADR Reduce -5.2% 0.02% −0.01 WRD Weride Inc.-ADR Reduce -5.2% 0.05% −0.01 VRT Vertiv Holdings Co. Class A Reduce -5.2% 0.20% +0.01 SHLS Shoals Technologies Group -A Reduce -5.2% 0.12% +0.01 MTZ Mastec Inc. Reduce -1.8% 8.12% +0.22 CEG Constellation Energy Reduce -0.5% 9.52% +0.82
Portfolio Buys Q3 2025 → Q4 2025 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 Q3 2025 % Of Portfolio Change To Portfolio ▼ COHR Coherent Corp. New 4.29% +4.29 FE Firstenergy Corp. New 3.06% +3.06 WMB Williams Cos Inc. New 3.03% +3.03 FLEX Flex Ltd. New 2.66% +2.66 CAT Caterpillar Inc. New 1.99% +1.99 CVNA Carvana Co. New 1.78% +1.78 KEYS Keysight Technologies Inc. New 1.52% +1.52 TE T1 Energy Inc. New 1.09% +1.09 JCI Johnson Controls Internation Add +6.5% 6.34% +1.01 NXT Nextpower Inc. Add +11.5% 2.56% +0.66 ULS Ul Solutions Inc. Class A Add +8.8% 3.13% +0.61 XEL Xcel Energy Inc. Add +15.2% 6.64% +0.50 PCG P G & E Corp. Add +19.0% 1.77% +0.41 MMM 3M Co. Add +0.6% 5.96% +0.36 GDS GDS Holdings Ltd. - ADR Add +52.2% 0.17% +0.05 FTCI FTC Solar Inc. New 0.05% +0.05 PONY Pony AI Inc. New 0.03% +0.03 EXC Exelon Corp. Add +0.5% 3.33% −0.01
All Filings Quarter Positions 13F Reported Value Top Holdings Q2 2026 45 $2.5B FLEX, MTZ, XEL, NEE, ETR Q1 2026 43 $2.1B MTZ, NEE, XEL, FE, ETR Q4 2025 Amended 39 $2.2B CEG, MTZ, XEL, NEE, JCI Q3 2025 36 $2.2B CEG, MTZ, NEE, ETR, XEL Q2 2025 35 $1.9B CEG, JCI, MMM, APD, MTZ Q1 2025 35 $1.4B MMM, CEG, XEL, EXC, APD Q4 2024 38 $1.7B GEV, CEG, MTZ, MMM, PWR Q3 2024 43 $2.1B CEG, GEV, MTZ, MMM, XLI Q2 2024 Amended 45 $1.9B CEG, MTZ, VRT, GEV, VST Q1 2024 44 $2.3B GE, CEG, VRT, MTZ, CRH