Ticker · CUSIP 315616102

FFIV

F5 INC

Technology·Software - Infrastructure

···Share

Holders (tracked)

Combined shares

3,780,230

Combined value

$964.94M

Last close

$310.87

Quarter

2025Q4

Price is +21.8% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$310.87+52.26 (+20.21%)H $343.17 · L $223.99 · Avg Vol 761K

Congress sell

Tracked holders · last 8 quarters

+8 vs previous quarter over the last 8.

SEC event timeline

23 events

Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+20,137 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) added2026-02-17
+384,470 shares · 2025Q4
Position
Two Sigma Investments opened position2026-02-17
+15,127 shares · 2025Q4
Position
AQR Capital Management trimmed2026-02-17
−210,246 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+359,267 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+42,509 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2026-02-17
−27,703 shares · 2025Q4
Position
Wellington Management added2026-02-17
+420,580 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+35,132 shares · 2025Q4
Position
Ray Dalio (Bridgewater Associates) trimmed2026-02-13
−45,996 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−135,322 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+805,870 shares · 2025Q4
Position
Ken Fisher (Fisher Asset Mgmt) added2026-02-09
+15,236 shares · 2025Q4
Position
AQR Capital Management added2025-11-14
+32,970 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) trimmed2025-11-14
−92,822 shares · 2025Q3
Position
D.E. Shaw & Co. trimmed2025-11-14
−39,003 shares · 2025Q3
Position
T. Rowe Price trimmed2025-11-14
−17,051 shares · 2025Q3
Position
Wellington Management added2025-11-14
+3,227 shares · 2025Q3
Position
Ray Dalio (Bridgewater Associates) added2025-11-13
+23,910 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+18,074 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−704,987 shares · 2025Q3
Position
Ken Fisher (Fisher Asset Mgmt) added2025-11-12
+12,023 shares · 2025Q3
Position
Norges Bank (Norway SWF) added2025-11-12
+425,927 shares · 2024Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for FFIV →

Follow-the-investor returns

If you'd copied each holder of FFIV…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Renaissance Technologies	2016Q1	$177.28	+75.4%	$4.1M
AQR Capital Management	2016Q1	$194.48	+59.8%	$195.7M
T. Rowe Price	2016Q1	$199.65	+55.7%	$51.3M
Norges Bank (Norway SWF)	2016Q1	$209.52	+48.4%	$250.5M
Wellington Management	2016Q1	$214.41	+45.0%	$260.8M
Two Sigma Investments	2016Q1	$216.48	+43.6%	$2.2M
Two Sigma Investments	2016Q1	$216.48	+43.6%	$2.2M
Two Sigma Investments	2016Q1	$216.48	+43.6%	$2.2M
Steve Cohen (Point72)	2020Q1	$233.24	+33.3%	$111.7M
Ken Fisher (Fisher Asset Mgmt)	2016Q1	$237.96	+30.6%	$24.9M
Paul Tudor Jones (Tudor Investment)	2016Q2	$255.13	+21.8%	$2.8M
Paul Tudor Jones (Tudor Investment)	2016Q2	$255.13	+21.8%	$2.8M
Paul Tudor Jones (Tudor Investment)	2016Q2	$255.13	+21.8%	$2.8M
Ken Griffin (Citadel Advisors)	2016Q1	$256.74	+21.1%	$135.7M
Ken Griffin (Citadel Advisors)	2016Q1	$256.74	+21.1%	$135.7M
Ken Griffin (Citadel Advisors)	2016Q1	$256.74	+21.1%	$135.7M
Izzy Englander (Millennium Mgmt)	2016Q1	$257.41	+20.8%	$9.3M
Izzy Englander (Millennium Mgmt)	2016Q1	$257.41	+20.8%	$9.3M
Izzy Englander (Millennium Mgmt)	2016Q1	$257.41	+20.8%	$9.3M
Ray Dalio (Bridgewater Associates)	2016Q1	$284.33	+9.3%	$271K
D.E. Shaw & Co.	2016Q1	$316.12	-1.7%	$6.7M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions4

Norges Bank (Norway SWF)
+805,870
$205.7M
Steve Cohen (Point72)
+359,267
$91.7M
Paul Tudor Jones (Tudor Investment)
+20,137
$5.1M
Two Sigma Investments
+15,127
$3.9M

Added to5

Wellington Management
+420,580
$107.4M
Ken Griffin (Citadel Advisors)
+384,470
$98.1M
Izzy Englander (Millennium Mgmt)
+35,132
$9.0M
Ken Fisher (Fisher Asset Mgmt)
+15,236
$3.9M
T. Rowe Price
+42,509
$11K

Trimmed4

AQR Capital Management
−210,246
$53.7M
Renaissance Technologies
−135,322
$34.5M
Ray Dalio (Bridgewater Associates)
−45,996
$11.7M
D.E. Shaw & Co.
−27,703
$7.1M

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	16	14,826,673	$8.56B	—
2022Q2	13	13,345,766	$3.01B	-3
2022Q3	15	12,965,078	$1.88B	+2
2022Q4	15	13,281,538	$1.91B	—
2023Q1	16	12,963,107	$1.89B	+1
2023Q2	17	10,307,839	$1.51B	+1
2023Q3	17	8,175,697	$1.32B	—
2023Q4	16	8,811,753	$1.58B	-1
2024Q1	17	9,586,598	$1.82B	+1
2024Q2	17	9,251,610	$1.59B	—
2024Q3	17	3,649,384	$802.7M	—
2024Q4	17	2,492,798	$626.9M	—
2025Q1	16	2,516,324	$666.1M	-1
2025Q2	14	2,712,130	$798.2M	-2
2025Q3	13	2,046,369	$661.4M	-1
2025Q4	21	3,780,230	$964.9M	+8

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2025-10-22	Julie Johnson	Sell	$1K – $15K	PDF ↗

Who owns FFIV

21 super-investors · 2025Q4

Tracked stake

3.78M

Combined value

$965M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New8Added9Trim4

#	Manager	Shares	Value	% of book	Last action
1	Wellington Management	839.0K	$214M	0.0%	Added+420.6K
2	Norges Bank Norway SWF	805.9K	$206M	0.0%	New+805.9K
3	AQR Capital Management	629.4K	$161M	0.1%	Trim−210.2K
4	Ken Griffin Citadel Advisors	436.6K	$111M	0.0%	Added+384.5K
5	Steve Cohen Point72	359.3K	$92M	0.1%	New+359.3K
6	T. Rowe Price	165.1K	$42M	0.0%	Added+42.5K
7	Izzy Englander Millennium Mgmt	159.7K	$41M	0.0%	Added+35.1K
8	Ken Griffin Citadel Advisors	145.5K	$37M	0.0%	Added+384.5K
9	Ken Fisher Fisher Asset Mgmt	80.0K	$20M	0.0%	Added+15.2K
10	Izzy Englander Millennium Mgmt	29.8K	$8M	0.0%	Added+35.1K
11	Ken Griffin Citadel Advisors	23.1K	$6M	0.0%	Added+384.5K
12	D.E. Shaw & Co.	21.5K	$5M	0.0%	Trim−27.7K
13	Paul Tudor Jones Tudor Investment	20.1K	$5M	0.0%	New+20.1K
14	Two Sigma Investments	15.1K	$4M	0.0%	New+15.1K
15	Renaissance Technologies	13.3K	$3M	0.0%	Trim−135.3K
16	Izzy Englander Millennium Mgmt	11.7K	$3M	0.0%	Added+35.1K
17	Paul Tudor Jones Tudor Investment	9.1K	$2M	0.0%	New+20.1K
18	Two Sigma Investments	7.0K	$2M	0.0%	New+15.1K
19	Two Sigma Investments	5.9K	$2M	0.0%	New+15.1K
20	Paul Tudor Jones Tudor Investment	2.2K	$562K	0.0%	New+20.1K
21	Ray Dalio Bridgewater Associates	872	$223K	0.0%	Trim−46.0K

Recent moves

20 transactions

NEWPaul Tudor Jones (Tudor Investment)
+20,137 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+35,132 · 2025Q4
TRIMD.E. Shaw & Co.
−27,703 · 2025Q4
TRIMAQR Capital Management
−210,246 · 2025Q4
NEWTwo Sigma Investments
+15,127 · 2025Q4
ADDT. Rowe Price
+42,509 · 2025Q4
NEWSteve Cohen (Point72)
+359,267 · 2025Q4
ADDWellington Management
+420,580 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+384,470 · 2025Q4
TRIMRay Dalio (Bridgewater Associates)
−45,996 · 2025Q4
TRIMRenaissance Technologies
−135,322 · 2025Q4
NEWNorges Bank (Norway SWF)
+805,870 · 2025Q4
ADDKen Fisher (Fisher Asset Mgmt)
+15,236 · 2025Q4
ADDAQR Capital Management
+32,970 · 2025Q3
TRIMT. Rowe Price
−17,051 · 2025Q3
TRIMIzzy Englander (Millennium Mgmt)
−92,822 · 2025Q3
ADDWellington Management
+3,227 · 2025Q3
TRIMD.E. Shaw & Co.
−39,003 · 2025Q3
ADDRay Dalio (Bridgewater Associates)
+23,910 · 2025Q3
ADDRenaissance Technologies
+18,074 · 2025Q3

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