F5, Inc.
FFIVLast close · Oct 16, 2026442.03−14.55 (−3.19%)
Market cap$25.0B
Of the 85 managers this site tracks, 3 held F5 (FFIV) at the end of Q2 2026, their latest 13Fs. The largest position by value was Druckenmiller's, $9.2M; Jensen's ($3.1M) and Lee Ainslie's ($653,057) follow. No Schedule 13D or 13G is on file for FFIV from the activists and large holders the site follows.
Superinvestors holding FFIV
| Manager | Firm | Quarter | Shares | Value |
|---|---|---|---|---|
| Druckenmiller | Duquesne Family Office LLC | Q2 2026 | 22,000 | $9.2M |
| Jensen | Jensen Investment Management Inc | Q2 2026 | 7,470 | $3.1M |
| Lee Ainslie | Maverick Capital Ltd | Q2 2026 | 1,570 | $653,057 |
13D/13G are SEC beneficial-ownership disclosures, triggered only above 5%; a 13F is a quarterly snapshot filed up to 45 days after quarter end. Superinvestor names link to their full portfolios under Investors.