AEHR TEST SYSTEMS (AEHR) Stock Institutional Trading Activity


AEHR TEST SYSTEMS (AEHR) 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 Polen Capital Management 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.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Polen Capital ManagementBuy6,80330,111$607,941
Q3 2025Polen Capital ManagementBuy2,30823,308$701,804
Q2 2025Polen Capital ManagementBuy21,00021,000$271,530
Q1 2023Renaissance Technologies LLCBuy258,500294,500$9,135
Q4 2022Renaissance Technologies LLCSell-217,50036,000$724
Q3 2022Renaissance Technologies LLCSell-149,200253,500$3,574
Q2 2022Renaissance Technologies LLCSell-364,100402,700$3,020
Q1 2022Renaissance Technologies LLCBuy253,700766,800$7,791
Q4 2021Renaissance Technologies LLCBuy472,500513,100$12,407
Q4 2020Renaissance Technologies LLCBuy9,00340,600$103
Q3 2020Renaissance Technologies LLCSell-45,70231,597$44
Q1 2020Renaissance Technologies LLCSell-30177,299$129
Q4 2019Renaissance Technologies LLCBuy2,10077,600$155
Q1 2018Renaissance Technologies LLCSell-74,00075,500$170
Q4 2017Renaissance Technologies LLCBuy81,500149,500$405
Q1 2017Renaissance Technologies LLCSell-7,10068,000$327
Q4 2016Renaissance Technologies LLCBuy5,20075,100$181
Q3 2016Renaissance Technologies LLCSell-4,70069,900$224
Q2 2016Renaissance Technologies LLCSell-9,50074,600$120
Q1 2016Renaissance Technologies LLCSell-10084,100$97
Q4 2015Renaissance Technologies LLCBuy10084,200$158
Q3 2015Renaissance Technologies LLCSell-3,00084,100$214
Q2 2015Renaissance Technologies LLCSell-9,70087,100$199
Q1 2015Renaissance Technologies LLCSell-2,80096,800$227
Q4 2014Renaissance Technologies LLCSell-6,60099,600$254
Q3 2014Renaissance Technologies LLCSell-1,000106,200$269
Q2 2014Renaissance Technologies LLCSell-400107,200$230
Q1 2014Renaissance Technologies LLCBuy12,900107,600$307
Q4 2013Renaissance Technologies LLCBuy35,70094,700$293
Q3 2013Renaissance Technologies LLCBuy9,30059,000$140

Frequently asked questions about AEHR activity

  • Which institutional owners are buying AEHR?

    Institutional owners buying AEHR 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 AEHR activity?

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

  • Is institutional interest in AEHR increasing?

    Institutional interest in AEHR 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.