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
Q1 2018Renaissance Technologies LLCBuy176,9002,565,700$76,432
Q4 2017Renaissance Technologies LLCBuy77,8002,388,800$59,433
Q3 2017Renaissance Technologies LLCBuy197,4002,311,000$55,233
Q2 2017Renaissance Technologies LLCBuy132,1002,113,600$45,485
Q1 2017Renaissance Technologies LLCBuy525,4001,981,500$32,615
Q4 2016Renaissance Technologies LLCBuy211,1001,456,100$20,662
Q3 2016Renaissance Technologies LLCBuy167,4001,245,000$19,522
Q2 2016Renaissance Technologies LLCBuy163,7001,077,600$12,823
Q1 2016Renaissance Technologies LLCBuy274,700913,900$8,125
Q4 2015Renaissance Technologies LLCBuy193,600639,200$5,561
Q3 2015Renaissance Technologies LLCBuy147,229445,600$1,649
Q2 2015Renaissance Technologies LLCBuy218,913298,371$1,560
Q1 2015Renaissance Technologies LLCBuy79,45879,458$442

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.