Ticker · CUSIP 315616102
Holders (tracked)
21
Combined shares
3,780,230
Combined value
$922.83M
Last close
$308.06
Quarter
2025Q4
Tracked holders · last 8 quarters
+8 vs previous quarter over the last 8.
21172024Q12025Q4
Price is +26.2% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

23 events
  1. +20,137 shares · 2025Q4
    13F
  2. +384,470 shares · 2025Q4
    13F
  3. +15,127 shares · 2025Q4
    13F
  4. −210,246 shares · 2025Q4
    13F
  5. +359,267 shares · 2025Q4
    13F
  6. +42,509 shares · 2025Q4
    13F
  7. −27,703 shares · 2025Q4
    13F
  8. +420,580 shares · 2025Q4
    13F
  9. +35,132 shares · 2025Q4
    13F
  10. −45,996 shares · 2025Q4
    13F
  11. −135,322 shares · 2025Q4
    13F
  12. +805,870 shares · 2025Q4
    13F
  13. +15,236 shares · 2025Q4
    13F
  14. +32,970 shares · 2025Q3
    13F
  15. −92,822 shares · 2025Q3
    13F
  16. −39,003 shares · 2025Q3
    13F
  17. −17,051 shares · 2025Q3
    13F
  18. +3,227 shares · 2025Q3
    13F
  19. +23,910 shares · 2025Q3
    13F
  20. +18,074 shares · 2025Q3
    13F
  21. −704,987 shares · 2025Q3
    13F
  22. +12,023 shares · 2025Q3
    13F
  23. +425,927 shares · 2024Q3
    13F

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of FFIV…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
T. Rowe Price2016Q1$37.63+718.6%$50.9M
Renaissance Technologies2016Q1$177.03+74.0%$4.1M
AQR Capital Management2016Q1$194.27+58.6%$193.9M
Norges Bank (Norway SWF)2016Q1$209.52+47.0%$248.3M
Ken Fisher (Fisher Asset Mgmt)2016Q1$210.57+46.3%$24.6M
Wellington Management2016Q1$214.41+43.7%$258.4M
Two Sigma Investments2016Q1$216.48+42.3%$2.2M
Two Sigma Investments2016Q1$216.48+42.3%$2.2M
Two Sigma Investments2016Q1$216.48+42.3%$2.2M
Steve Cohen (Point72)2020Q1$233.24+32.1%$110.7M
Paul Tudor Jones (Tudor Investment)2016Q2$255.13+20.7%$2.8M
Paul Tudor Jones (Tudor Investment)2016Q2$255.13+20.7%$2.8M
Paul Tudor Jones (Tudor Investment)2016Q2$255.13+20.7%$2.8M
Ken Griffin (Citadel Advisors)2016Q1$256.74+20.0%$134.5M
Ken Griffin (Citadel Advisors)2016Q1$256.74+20.0%$134.5M
Ken Griffin (Citadel Advisors)2016Q1$256.74+20.0%$134.5M
Izzy Englander (Millennium Mgmt)2016Q1$257.41+19.7%$9.2M
Izzy Englander (Millennium Mgmt)2016Q1$257.41+19.7%$9.2M
Izzy Englander (Millennium Mgmt)2016Q1$257.41+19.7%$9.2M
Ray Dalio (Bridgewater Associates)2016Q1$284.33+8.3%$269K
D.E. Shaw & Co.2016Q1$316.12-2.5%$6.6M

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
Trimmed4
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
16
$8.56B
2022Q2
13
$3.01B
2022Q3
15
$4.0M
2022Q4
15
$1.63B
2023Q1
16
$1.71B
2023Q2
17
$1.36B
2023Q3
17
$1.17B
2023Q4
16
$1.43B
2024Q1
17
$1.71B
2024Q2
17
$1.58B
2024Q3
17
$779.3M
2024Q4
17
$591.7M
2025Q1
16
$623.7M
2025Q2
14
$757.2M
2025Q3
13
$621.8M
2025Q4
21
$922.8M
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-10-22Julie JohnsonSell$1K – $15KPDF ↗

Who owns FFIV

21 super-investors · 2025Q4
Tracked stake
3.78M
shares
Combined value
$923M
% of shares outstanding
shares-out unknown
Quarter action mix
New8Added9Trim4
#ManagerSharesValue
1Wellington Management839.0K$214M
2Norges Bank
Norway SWF
805.9K$206M
3AQR Capital Management629.4K$161M
4Ken Griffin
Citadel Advisors
436.6K$111M
5Steve Cohen
Point72
359.3K$92M
6Izzy Englander
Millennium Mgmt
159.7K$41M
7Ken Griffin
Citadel Advisors
145.5K$37M
8Ken Fisher
Fisher Asset Mgmt
80.0K$20M
9Izzy Englander
Millennium Mgmt
29.8K$8M
10Ken Griffin
Citadel Advisors
23.1K$6M
11D.E. Shaw & Co.21.5K$5M
12Paul Tudor Jones
Tudor Investment
20.1K$5M
13Two Sigma Investments15.1K$4M
14Renaissance Technologies13.3K$3M
15Izzy Englander
Millennium Mgmt
11.7K$3M
16Paul Tudor Jones
Tudor Investment
9.1K$2M
17Two Sigma Investments7.0K$2M
18Two Sigma Investments5.9K$2M
19Paul Tudor Jones
Tudor Investment
2.2K$562K
20Ray Dalio
Bridgewater Associates
872$223K
21T. Rowe Price165.1K$42K

Recent moves

20 transactions
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