ADVANCED ENERGY INDUSTRIES (AEIS) Stock Institutional Trading Activity


ADVANCED ENERGY INDUSTRIES (AEIS) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include First Eagle U.S. Value, Sequoia Financial Advisors, and Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2021First Eagle U.S. ValueBuy6,40012,134$1,105
Q4 2021Renaissance Technologies LLCSell-32,70037,222$3,389
Q3 2021First Eagle U.S. ValueBuy5,2005,734$503
Q3 2021Renaissance Technologies LLCBuy36,10069,922$6,136
Q2 2021First Eagle U.S. ValueBuy534534$60
Q2 2021Renaissance Technologies LLCSell-11,80033,822$3,812
Q1 2021Renaissance Technologies LLCSell-18,50045,622$4,981
Q4 2020Renaissance Technologies LLCSell-50,50064,122$6,218
Q3 2020Renaissance Technologies LLCBuy62,013114,622$7,214
Q2 2020Renaissance Technologies LLCSell-278,87852,609$3,566
Q1 2020Renaissance Technologies LLCSell-308,313331,487$16,074
Q4 2019Renaissance Technologies LLCSell-349,422639,800$45,554
Q3 2019Renaissance Technologies LLCSell-272,695989,222$56,791
Q2 2019Renaissance Technologies LLCSell-183,8051,261,917$71,008
Q1 2019Renaissance Technologies LLCSell-129,8981,445,722$71,823
Q4 2018Renaissance Technologies LLCSell-107,2021,575,620$67,641
Q3 2018Renaissance Technologies LLCBuy580,4001,682,822$86,918
Q1 2018Renaissance Technologies LLCBuy304,0001,102,422$70,445
Q4 2017Renaissance Technologies LLCBuy225,700798,422$53,878
Q3 2017Renaissance Technologies LLCBuy90,700572,722$46,253
Q2 2017Renaissance Technologies LLCBuy90,822482,022$31,182
Q1 2017Renaissance Technologies LLCBuy11,800391,200$26,821
Q4 2016Renaissance Technologies LLCBuy67,200379,400$20,772
Q3 2016Renaissance Technologies LLCBuy578312,200$14,773
Q2 2016Renaissance Technologies LLCSell-79,400311,622$11,829
Q1 2016Renaissance Technologies LLCSell-20,400391,022$13,604
Q4 2015Renaissance Technologies LLCBuy243,000411,422$11,614
Q3 2015Renaissance Technologies LLCBuy32,900168,422$4,429
Q2 2015Renaissance Technologies LLCSell-202,900135,522$3,725
Q3 2013Renaissance Technologies LLCSell-160,100338,422$5,926

Frequently asked questions about AEIS activity

  • Which institutional owners are buying AEIS?

    Institutional owners buying AEIS 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 AEIS activity?

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

  • Is institutional interest in AEIS increasing?

    Institutional interest in AEIS 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.