FIVE9 INC (FIVN) Stock Institutional Trading Activity


FIVE9 INC (FIVN) 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, Viking Global Investors, Renaissance Technologies LLC, Parnassus Endeavor Fund, and ARK Invest. 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
Q3 2025First Eagle U.S. ValueBuy295,500295,500$7,151,100
Q2 2024Viking Global InvestorsSell-1,717,7241,734,414$76,487,657
Q1 2024Renaissance Technologies LLCSell-5,000121,400$7,540
Q1 2024Viking Global InvestorsBuy738,0213,452,138$214,412,291
Q4 2023Renaissance Technologies LLCBuy116,000126,400$9,946
Q4 2023Viking Global InvestorsSell-879,6282,714,117$213,573,867
Q3 2023Renaissance Technologies LLCSell-200,49810,400$669
Q3 2023Viking Global InvestorsBuy1,424,1583,593,745$231,077,804
Q2 2023Renaissance Technologies LLCBuy126,098210,898$17,389
Q2 2023Viking Global InvestorsBuy2,169,5872,169,587$178,882,448
Q1 2023Renaissance Technologies LLCBuy27,30084,800$6,130
Q4 2022Parnassus Endeavor FundBuy80,044225,571$15,307,248
Q3 2022Renaissance Technologies LLCBuy52,30057,500$4,311
Q3 2022Parnassus Endeavor FundBuy58,669145,527$10,912
Q2 2022ARK InvestSell-751,593$154
Q2 2022Parnassus Endeavor FundSell-110,88986,858$7,916
Q1 2022ARK InvestBuy2401,668$184
Q1 2022Parnassus Endeavor FundBuy39,512197,747$21,831
Q4 2021ARK InvestBuy1,4281,428$196
Q4 2021Parnassus Endeavor FundBuy158,235158,235$21,729
Q4 2020Renaissance Technologies LLCSell-163,9005,200$907
Q3 2020Renaissance Technologies LLCSell-308,892169,100$21,929
Q2 2020Renaissance Technologies LLCBuy231,386477,992$52,899
Q1 2020Renaissance Technologies LLCSell-20,294246,606$18,855
Q4 2019Renaissance Technologies LLCSell-278,900266,900$17,503
Q3 2019Renaissance Technologies LLCSell-176,700545,800$29,331
Q2 2019Renaissance Technologies LLCSell-734,900722,500$37,057
Q1 2019Renaissance Technologies LLCSell-761,2001,457,400$76,994
Q4 2018Renaissance Technologies LLCSell-410,1002,218,600$96,997
Q3 2018Renaissance Technologies LLCBuy63,0002,628,700$114,848

Frequently asked questions about FIVN activity

  • Which institutional owners are buying FIVN?

    Institutional owners buying FIVN 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 FIVN activity?

    "Buy" means an investor increased their reported position in FIVN compared to the prior reporting period. This reflects growing exposure to FIVE9 INC (FIVN) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in FIVN increasing?

    Institutional interest in FIVN 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.