Electron Capital Partners, LLC In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 14, 2025), Electron Capital Partners, LLC reported 36 stock positions worth $2.2 billion . Its top holding was Constellation Energy (CEG) at 8.7% of the portfolio, followed by Mastec (MTZ, 7.9% ) and Nextera Energy (NEE, 6.7% ). Compared with Q2 2025, it opened 5 new positions, sold out of 4, added to 18 and reduced 12. The biggest buy was Entergy (ETR, shares +215% ) and the biggest sale Air Products & Chemicals (APD, shares −70% ).
Location NEW YORK, NY
CIK 0001586986
Portfolio Value $2.2B (Q3 2025) Holdings 36 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 Q2 2025 CEG Constellation Energy 8.69% 583,282 $191.9M Reduce -4.8% MTZ Mastec Inc. 7.90% 819,091 $174.3M Add +9.6% NEE Nextera Energy Inc. 6.73% 1,967,208 $148.5M Add +21.2% ETR Entergy Corp. 6.50% 1,539,709 $143.5M Add +214.6% XEL Xcel Energy Inc. 6.14% 1,680,811 $135.6M Reduce -2.7% MMM 3M Co. 5.60% 797,297 $123.7M Reduce -9.0% GEV GE Vernova Inc. 5.42% 194,548 $119.6M Add +1.7% JCI Johnson Controls Internation 5.33% 1,070,106 $117.7M Reduce -20.9% PWR Quanta Services Inc. 4.48% 238,728 $98.9M Add +3.2% PPL PPL Corp. 3.76% 2,235,659 $83.1M Add +4.4% ENVX Enovix Corp. 3.63% 8,038,396 $80.1M Add +13.8% EOSE Eos Energy Enterprises Inc. 3.40% 6,594,701 $75.1M Reduce -5.5% BA The Boeing Co. 3.37% 344,523 $74.4M Add +0.5% EXC Exelon Corp. 3.34% 1,636,839 $73.7M Add +4.4% SEDG Solaredge Technologies Inc. 2.90% 1,732,566 $64.1M Add +107.8% CGNX Cognex Corp. 2.84% 1,385,942 $62.8M Add +3.6% UAL United Airlines Holdings Inc. 2.57% 588,989 $56.8M New ULS Ul Solutions Inc. Class A 2.52% 786,323 $55.7M Add +25.8% NXT Nextpower Inc. filed as NEXTRACKER INC 1.90% 566,415 $41.9M Add +2017.7% ZBRA Zebra Technologies Corp. Class A 1.89% 140,701 $41.8M Reduce -28.3% APD Air Products & Chemicals Inc. 1.72% 139,324 $38.0M Reduce -70.3% EIX Edison International 1.68% 669,296 $37.0M Add +3.8% BWA Borgwarner Inc. 1.44% 723,835 $31.8M New ARRY Array Technologies Inc. 1.40% 3,783,147 $30.8M Add +0.8% PCG P G & E Corp. 1.36% 1,990,264 $30.0M Add +3.8% CE Celanese Corp. 1.08% 564,662 $23.8M Add +7.5% MBLY Mobileye Global Inc. Class A 0.82% 1,278,362 $18.1M New PLUG Plug Power Inc. 0.48% 4,576,398 $10.7M New SGML Sigma Lithium Corp. 0.32% 1,112,845 $7.1M Add +4.2% VRT Vertiv Holdings Co. Class A 0.19% 28,254 $4.3M Reduce -0.2% OPAL Opal Fuels Inc. Class A 0.18% 1,800,000 $4.0M No change GDS GDS Holdings Ltd. - ADR filed as GDS HLDGS LTD 0.12% 69,282 $2.7M Reduce -0.2% SHLS Shoals Technologies Group -A 0.11% 317,691 $2.4M Reduce -83.9% HSAI Hesai Group 0.08% 63,618 $1.8M Reduce -0.2% WRD Weride Inc.-ADR 0.06% 140,373 $1.4M New EH Ehang Holdings Ltd.-SPS ADR 0.03% 35,835 $665K Reduce -0.2%
Other holdings (1): bonds, preferreds, convertibles and warrants · $42K (not counted above) Security Class Shares / Principal Value Change SESCW Ivanhoe Capital Class A -CW27 *W EXP 12/10/202 239,752 $42K No change
Total filed on the 13F, all lines: $2.2B.
Portfolio Sells Q2 2025 → Q3 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 Q2 2025 % Of Portfolio Change To Portfolio ▲ APD Air Products & Chemicals Inc. Reduce -70.3% 1.72% −5.37 JCI Johnson Controls Internation Reduce -20.9% 5.33% −2.32 CEG Constellation Energy Reduce -4.8% 8.69% −1.88 NRG NRG Energy Inc. Sold out 0.00% −1.62 MMM 3M Co. Reduce -9.0% 5.60% −1.53 ZBRA Zebra Technologies Corp. Class A Reduce -28.3% 1.89% −1.34 HTZ Hertz Global Hldgs Inc. Sold out 0.00% −0.66 CANG Cango Inc./KY - ADR Sold out 0.00% −0.35 SHLS Shoals Technologies Group -A Reduce -83.9% 0.11% −0.34 XEL Xcel Energy Inc. Reduce -2.7% 6.14% −0.16 HRI Herc Holdings Inc. Sold out 0.00% −0.08 EH Ehang Holdings Ltd.-SPS ADR Reduce -0.2% 0.03% −0.00 VRT Vertiv Holdings Co. Class A Reduce -0.2% 0.19% −0.00 HSAI Hesai Group Reduce -0.2% 0.08% +0.01 GDS GDS Holdings Ltd. - ADR Reduce -0.2% 0.12% +0.01 EOSE Eos Energy Enterprises Inc. Reduce -5.5% 3.40% +1.49
Portfolio Buys Q2 2025 → Q3 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 Q2 2025 % Of Portfolio Change To Portfolio ▼ ETR Entergy Corp. Add +214.6% 6.50% +4.32 UAL United Airlines Holdings Inc. New 2.57% +2.57 SEDG Solaredge Technologies Inc. Add +107.8% 2.90% +1.99 NXT Nextpower Inc. Add +2017.7% 1.90% +1.82 BWA Borgwarner Inc. New 1.44% +1.44 MTZ Mastec Inc. Add +9.6% 7.90% +1.08 MBLY Mobileye Global Inc. Class A New 0.82% +0.82 NEE Nextera Energy Inc. Add +21.2% 6.73% +0.70 CGNX Cognex Corp. Add +3.6% 2.84% +0.57 PLUG Plug Power Inc. New 0.48% +0.48 ARRY Array Technologies Inc. Add +0.8% 1.40% +0.21 ULS Ul Solutions Inc. Class A Add +25.8% 2.52% +0.09 SGML Sigma Lithium Corp. Add +4.2% 0.32% +0.07 WRD Weride Inc.-ADR New 0.06% +0.06 GEV GE Vernova Inc. Add +1.7% 5.42% +0.00 PCG P G & E Corp. Add +3.8% 1.36% −0.07 EIX Edison International Add +3.8% 1.68% −0.10 PPL PPL Corp. Add +4.4% 3.76% −0.12 PWR Quanta Services Inc. Add +3.2% 4.48% −0.20 ENVX Enovix Corp. Add +13.8% 3.63% −0.28 EXC Exelon Corp. Add +4.4% 3.34% −0.30 BA The Boeing Co. Add +0.5% 3.37% −0.48 CE Celanese Corp. Add +7.5% 1.08% −0.48
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