F5 INC (FFIV) Stock Institutional Trading Activity


F5 INC (FFIV) 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, Jensen Investment Management, Sequoia Financial Advisors, Turtle Creek Asset Management, and Ariel Appreciation Fund. 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 2019Renaissance Technologies LLCBuy569,2002,865,374$400,149
Q3 2019Turtle Creek Asset ManagementBuy3,00017,500$2,457
Q3 2019Renaissance Technologies LLCSell-101,1002,296,174$322,429
Q2 2019Turtle Creek Asset ManagementBuy7,65014,500$2,112
Q2 2019Renaissance Technologies LLCSell-212,5002,397,274$349,115
Q1 2019Turtle Creek Asset ManagementBuy3,5506,850$1,075
Q1 2019Renaissance Technologies LLCBuy135,3002,609,774$409,552
Q4 2018Turtle Creek Asset ManagementBuy6003,300$535
Q4 2018Renaissance Technologies LLCBuy454,7002,474,474$400,939
Q3 2018Turtle Creek Asset ManagementSell-47,5002,700$538
Q3 2018Renaissance Technologies LLCBuy221,0002,019,774$402,783
Q2 2018Turtle Creek Asset ManagementSell-234,60050,200$8,657
Q1 2018Turtle Creek Asset ManagementBuy2,200284,800$41,185
Q1 2018Renaissance Technologies LLCSell-397,0001,798,774$260,121
Q4 2017Turtle Creek Asset ManagementBuy282,600282,600$37,083
Q4 2017Renaissance Technologies LLCSell-241,2002,195,774$288,129
Q3 2017Renaissance Technologies LLCBuy696,7652,436,974$293,802
Q2 2017Ariel Appreciation FundBuy3,1523,152$400
Q2 2017Renaissance Technologies LLCBuy95,0351,740,209$221,111
Q1 2017First Eagle U.S. ValueBuy23,6631,548,995$220,840
Q1 2017Renaissance Technologies LLCSell-159,7001,645,174$234,552
Q4 2016First Eagle U.S. ValueSell-5731,525,332$220,746
Q4 2016Renaissance Technologies LLCBuy286,8001,804,874$261,201
Q3 2016Renaissance Technologies LLCBuy154,9001,518,074$189,213
Q3 2016First Eagle U.S. ValueSell-6,0751,525,905$190,189
Q2 2016Renaissance Technologies LLCBuy275,9001,363,174$155,184
Q2 2016First Eagle U.S. ValueBuy5,1511,531,980$174,401
Q1 2016Renaissance Technologies LLCBuy55,2001,087,274$115,088
Q1 2016First Eagle U.S. ValueBuy1,526,8291,526,829$161,615
Q4 2015Renaissance Technologies LLCBuy274,7001,032,074$100,070

Frequently asked questions about FFIV activity

  • Which institutional owners are buying FFIV?

    Institutional owners buying FFIV 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 FFIV activity?

    "Buy" means an investor increased their reported position in FFIV compared to the prior reporting period. This reflects growing exposure to F5 INC (FFIV) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in FFIV increasing?

    Institutional interest in FFIV 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.