ENPHASE ENERGY INC (ENPH) Stock Institutional Trading Activity


ENPHASE ENERGY INC (ENPH) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Sequoia Financial Advisors, Meritage Group, and Third Point. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCSell-1,770,334897,094$28,751,863
Q3 2025Renaissance Technologies LLCSell-574,3002,667,428$94,400,277
Q2 2025Renaissance Technologies LLCBuy2,741,5843,241,728$128,534,515
Q1 2025Renaissance Technologies LLCBuy225,544500,144$31,033,935
Q3 2024Sequoia Financial AdvisorsBuy2602,151$243,106
Q1 2024Renaissance Technologies LLCSell-212,200274,600$33,221
Q1 2024Sequoia Financial AdvisorsSell-1,2031,891$228,774
Q4 2023Renaissance Technologies LLCSell-49,028486,800$64,326
Q4 2023Sequoia Financial AdvisorsBuy1,2433,094$408,842
Q3 2023Renaissance Technologies LLCBuy272,000535,828$64,380
Q3 2023Sequoia Financial AdvisorsSell-441,851$222,398
Q2 2023Renaissance Technologies LLCSell-679,600263,828$44,186
Q2 2023Sequoia Financial AdvisorsBuy11,895$317,375
Q1 2023Meritage GroupBuy1,2351,235$260
Q1 2023Renaissance Technologies LLCBuy591,200943,428$198,384
Q1 2023Sequoia Financial AdvisorsSell-4311,894$398,271
Q4 2022Renaissance Technologies LLCSell-292,200352,228$93,326
Q4 2022Sequoia Financial AdvisorsBuy7492,325$616,032
Q3 2022Sequoia Financial AdvisorsSell-7571,576$437
Q3 2022Renaissance Technologies LLCSell-203,700644,428$178,809
Q2 2022Sequoia Financial AdvisorsBuy1722,333$455
Q1 2022Sequoia Financial AdvisorsBuy9672,161$436
Q4 2021Sequoia Financial AdvisorsBuy1,1941,194$218
Q4 2021Renaissance Technologies LLCBuy761,721848,128$155,157
Q4 2020Renaissance Technologies LLCSell-1,947,88286,407$15,162
Q3 2020Renaissance Technologies LLCSell-401,6722,034,289$168,012
Q2 2020Renaissance Technologies LLCBuy95,1762,435,961$115,879
Q1 2020Renaissance Technologies LLCBuy261,9282,340,785$75,584
Q4 2019Renaissance Technologies LLCBuy1,956,1572,078,857$54,321
Q3 2019Renaissance Technologies LLCSell-1,147,928122,700$2,728

Frequently asked questions about ENPH activity

  • Which institutional owners are buying ENPH?

    Institutional owners buying ENPH include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ENPH activity?

    "Buy" means an investor increased their reported position in ENPH compared to the prior reporting period. This reflects growing exposure to ENPHASE ENERGY INC (ENPH) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ENPH increasing?

    Institutional interest in ENPH can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.