Who holds FFIV (F5 INC)?

FFIV

F5 INC

Data as of 2026 Q1 (03-31) · 13F snapshot

Summary

F5 INC (FFIV) is held by 7 tracked hedge-fund managers, a combined reported value of ~$478.89M; the largest are Steven Cohen, Philippe Laffont, Ken Griffin. This quarter: 3 added, 2 trimmed, 1 closed. 4 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.

Attention · MediumThis quarter · Mixed

Gurus holding7

Congress trades4

Price$392.21vs quarter-end+35.56%

Sectors0

This quarter's moves

New0

Added3

Trimmed / sold3

Top holderSteven Cohen

Philippe LaffontHold

Value $118.80M1.4% of portfolio820,9152016 Q4

Ken GriffinPUT—

Value $25.84M— of portfolio89,3002026 Q1

Izzy EnglanderCALL—

Value $11.14M— of portfolio38,5002026 Q1

Ken GriffinCALL—

Value $7.15M— of portfolio24,7002026 Q1

Izzy EnglanderPUT—

Value $4.34M— of portfolio15,0002026 Q1

Investor	Period	Value	Shares	% of portfolio	Action
Philippe Laffont	2016 Q4	$118.80M	820,915	1.4%	Hold
Ken GriffinPUT	2026 Q1	$25.84M	89,300	—	—
Izzy EnglanderCALL	2026 Q1	$11.14M	38,500	—	—
Ken GriffinCALL	2026 Q1	$7.15M	24,700	—	—
Izzy EnglanderPUT	2026 Q1	$4.34M	15,000	—	—

Insider Trading

Officers · directors · Form 4

Gavin Munroe
Director
Buy
700 @ $0.00Traded 2026-07-01Filed 2026-07-02
Elizabeth Buse
Director
Sell$16.0K
40 @ $401.05Traded 2026-06-10Filed 2026-06-12
Elizabeth Buse
Director
Sell$85.3K
214 @ $398.53Traded 2026-06-10Filed 2026-06-12
Elizabeth Buse
Director
Sell$250.0K
626 @ $399.29Traded 2026-06-10Filed 2026-06-12
Elizabeth Buse
Director
Sell$48.1K
120 @ $400.58Traded 2026-06-10Filed 2026-06-12
Edward Cooper Werner
Chief Financial Officer
Sell$1.00M
2,500 @ $400.00Traded 2026-06-02Filed 2026-06-03
Edward Cooper Werner
Chief Financial Officer
Sell$525.0K
1,500 @ $350.00Traded 2026-05-08Filed 2026-05-12
Chad Michael Whalen
EVP, Worldwide Sales
Sell$2.17M
6,200 @ $350.19Traded 2026-05-08Filed 2026-05-12
Francois Locoh-Donou
President, CEO & Director
Sell$162.5K
480 @ $338.60Traded 2026-05-05Filed 2026-05-07
Francois Locoh-Donou
President, CEO & Director
Sell$428.3K
1,268 @ $337.78Traded 2026-05-05Filed 2026-05-07
Francois Locoh-Donou
President, CEO & Director
Sell$448.8K
1,332 @ $336.92Traded 2026-05-05Filed 2026-05-07
Francois Locoh-Donou
President, CEO & Director
Sell$66.5K
200 @ $332.52Traded 2026-05-05Filed 2026-05-07
Francois Locoh-Donou
President, CEO & Director
Sell$26.8K
80 @ $335.27Traded 2026-05-05Filed 2026-05-07
Francois Locoh-Donou
President, CEO & Director
Sell$130.2K
383 @ $339.88Traded 2026-05-05Filed 2026-05-07
Francois Locoh-Donou
President, CEO & Director
Sell$13.2K
40 @ $331.05Traded 2026-05-05Filed 2026-05-07
Thomas Dean Fountain
EVP Global Services & Strategy
Sell$439.0K
1,328 @ $330.58Traded 2026-05-05Filed 2026-05-07
Edward Cooper Werner
Chief Financial Officer
Buy
987 @ $0.00Traded 2026-05-01Filed 2026-05-05
Chad Michael Whalen
EVP, Worldwide Sales
Buy
932 @ $0.00Traded 2026-05-01Filed 2026-05-05
Chad Michael Whalen
EVP, Worldwide Sales
Buy
717 @ $0.00Traded 2026-05-01Filed 2026-05-05
Chad Michael Whalen
EVP, Worldwide Sales
Buy
668 @ $0.00Traded 2026-05-01Filed 2026-05-05
Chad Michael Whalen
EVP, Worldwide Sales
Sell$294.1K
910 @ $323.20Traded 2026-05-01Filed 2026-05-05
Edward Cooper Werner
Chief Financial Officer
Sell$193.1K
599 @ $322.33Traded 2026-05-01Filed 2026-05-05
Chad Michael Whalen
EVP, Worldwide Sales
Buy
2,317 @ $0.00Traded 2026-05-01Filed 2026-05-05
Chad Michael Whalen
EVP, Worldwide Sales
Sell$232.5K
704 @ $330.30Traded 2026-05-01Filed 2026-05-05

Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.

Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.