FFIV F5 Networks Inc.
Information Technology, filed as F5 Networks Inc. (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab
Bought by 2 managers in 2026 Q2, sold by 1
In 2026 Q2 Stanley Druckenmiller and Lee Ainslie opened positions in F5 Networks, while Jensen Investment Management trimmed.
Who owns this now
Largest portfolio weights among holders, up to 4.9% (Lyrical Asset Management). Not free-float ownership.
Who owns FFIV
Sorted by value, long equity only, as of 2026 Q2.
| History | |||||
|---|---|---|---|---|---|
| Lyrical Asset Management | Small trim −2.7% | 921,848 | $383M | History | |
| Spencer Waxman, Shannon River Fund Management | Small add +2.1% | 51,258 | $21M | History | |
| Stanley Druckenmiller, Duquesne Family Office | New 0.18% | 22,000 | $9.2M | History | |
| Jensen Investment Management | Reduce −43.9% | 7,470 | $3.1M | History | |
| Lee Ainslie, Maverick Capital | New 0.01% | 1,570 | $653K | History |
Insider trades
Open-market buys and sales by FFIV's executives, directors and 10% owners in the last 12 months, from their Form 4s
- None no insider bought on the open market
- $3.6M sold by 4 insiders outside a trading plan
- $25.4M sold by 9 insiders under 10b5-1 plans
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John Anthony Maddison Chief Product Mkting OfficerPlanned sale$83K 204 shares at $406.24 15% of stakeTraded Sep 14 Filed Sep 15
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Michael F Montoya Chief Technology Ops OfficerPlanned sale$1.8M 4,426 shares at $410.16 77% of stakeTraded Sep 14 Filed Sep 15
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Thomas Dean Fountain EVP Global Services & StrategyPlanned sale$501K 1,208 shares at $414.63 13% of stakeTraded Aug 5 Filed Aug 6
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Francois Locoh-Donou CEOPlanned sale$1.6M 3,782 shares at $412.44 2.5% of stakeTraded Aug 5 Filed Aug 6
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Angelique M Okeke EVP, General CounselPlanned sale$208K 515 shares at $404.49 19% of stakeTraded Aug 3 Filed Aug 4
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John Anthony Maddison Chief Product Mkting OfficerPlanned sale$406K 1,000 shares at $405.85 43% of stakeTraded Aug 3 Filed Aug 4
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Edward Cooper Werner CFOPlanned sale$243K 599 shares at $405.92 60% of stakeTraded Aug 3 Filed Aug 4
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Kunal Anand Chief Technology OfficerPlanned sale$159K 392 shares at $404.63 3% of stakeTraded Aug 3 Filed Aug 4
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Chad Michael Whalen EVP, Worldwide SalesPlanned sale$285K 703 shares at $404.86 3.2% of stakeTraded Aug 3 Filed Aug 4
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Nikhil Ramesh Mehta DirectorSale$1.6M 4,000 shares at $388.95 36% of stakeTraded Jul 30 Filed Aug 3
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Elizabeth Buse DirectorSale$399K 1,000 shares at $399.35 17% of stakeTraded Jun 10 Filed Jun 12
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Edward Cooper Werner CFOPlanned sale$1M 2,500 shares at $400.00 86% of stakeTraded Jun 2 Filed Jun 3
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Edward Cooper Werner CFOPlanned sale$525K 1,500 shares at $350.00 34% of stakeTraded May 8 Filed May 12
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Chad Michael Whalen EVP, Worldwide SalesPlanned sale$2.2M 6,200 shares at $350.19 23% of stakeTraded May 8 Filed May 12
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Thomas Dean Fountain EVP Global Services & StrategyPlanned sale$439K 1,328 shares at $330.58 14% of stakeTraded May 5 Filed May 7
Also filed in the last 12 months, not counted as buying or selling: 42 option exercises, 33 share withholdings for taxes, and 6 stock grants.
Congress
2 members of Congress traded FFIV in the last three years: 2 buys and 2 sales. 3 members listed it in 2025 annual reports.
-
Julie Johnson
Sell
$1K–$15K
Oct 21, 2025
filed Aug 5
-
Julie Johnson
Buy
$1K–$15K
Oct 21, 2025
filed Aug 5
- Alan Armstrong Buy $1K–$15K Mar 27 filed Jul 21
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Julie Johnson
Sell
$1K–$15K
Oct 22, 2025
filed Nov 14, 2025
SEC filings
Recent issuer filings from EDGAR, 9 shown.
Financials
US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.
Income statement
Balance sheet
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.