A10 NETWORKS INC (ATEN) Stock Institutional Trading Activity


A10 NETWORKS INC (ATEN) 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 and First Eagle U.S. Value. 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
Q2 2019Renaissance Technologies LLCBuy92,2002,218,700$15,132
Q1 2019Renaissance Technologies LLCSell-48,9002,126,500$15,077
Q4 2018Renaissance Technologies LLCBuy101,1002,175,400$13,574
Q3 2018Renaissance Technologies LLCSell-114,4002,074,300$12,612
Q1 2018Renaissance Technologies LLCSell-607,5002,188,700$12,738
Q4 2017Renaissance Technologies LLCBuy503,5002,796,200$21,587
Q3 2017Renaissance Technologies LLCSell-92,9002,292,700$17,333
Q2 2017Renaissance Technologies LLCBuy164,9002,385,600$20,134
Q1 2017Renaissance Technologies LLCBuy56,3002,220,700$20,319
Q4 2016Renaissance Technologies LLCBuy204,0002,164,400$17,986
Q3 2016Renaissance Technologies LLCBuy380,5001,960,400$20,957
Q2 2016Renaissance Technologies LLCSell-42,3901,579,900$10,222
Q1 2016Renaissance Technologies LLCBuy435,5901,622,290$9,604
Q4 2015Renaissance Technologies LLCBuy665,0001,186,700$7,785
Q3 2015Renaissance Technologies LLCBuy237,350521,700$3,125
Q2 2015Renaissance Technologies LLCBuy223,650284,350$1,831
Q1 2015Renaissance Technologies LLCBuy43,55560,700$263
Q4 2014Renaissance Technologies LLCBuy17,14517,145$75

Frequently asked questions about ATEN activity

  • Which institutional owners are buying ATEN?

    Institutional owners buying ATEN 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 ATEN activity?

    "Buy" means an investor increased their reported position in ATEN compared to the prior reporting period. This reflects growing exposure to A10 NETWORKS INC (ATEN) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ATEN increasing?

    Institutional interest in ATEN 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.