Comparable stake leader
VANGUARD CAPITAL MANAGEMENT LLC
SEC ownership of F5, INC.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001048695.
Disclosed value leader
BlackRock, Inc.
Comparable rows
4/50
Latest evidence
01 Nov 2026
- Public ticker
- FFIV on Nasdaq
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
VANGUARD CAPITAL MANAGEMENT LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
4 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
VANGUARD CAPITAL MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
01 Nov 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001048695
- Issuer location
- Seattle, WA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of F5, INC. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD CAPITAL MANAGEME...
Disclosed value leader
BlackRock, Inc.
Comparable rows
4/50
Latest evidence
01 Nov 2026
13F
13D/G
3/4/5
Lead comparable stake: 7.5%
46 rows are not safely comparable across share classes.
13D/G row: VANGUARD CAPITAL MANAGEMENT LLC
Showing 1-8 of 50 holder rows.
Quick read
VANGUARD CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 7.5%.
4 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD CAPITAL MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 4
VANGUARD CAPITAL MANAGEMENT LLC
7.5%
VANGUARD PORTFOLIO MANAGEMENT LLC
5%
HOTCHKIS & WILEY CAPITAL MANAGEME...
3.6%
FIRST TRUST PORTFOLIOS LP
2.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
13D/G
Company · Vanguard Capital Management
|
7.5%
Reported 13D/G
· 31 Mar 2026
|
$1,533,767,228
3,687,295 shares
|
— | 30 Jun 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
5%
Reported 13D/G
· 30 Jun 2026
|
$1,179,728,210
2,814,640 shares
|
-$70,422,645 | 30 Jun 2026 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC |
13D/G
13F
Hotchkis and Wiley Capital Management, LLC · Company
|
3.6%
Reported 13D/G
· 30 Jun 2026
|
$864,088,126
2,061,574 shares
|
-$1,055,280,095 | 30 Jun 2026 |
| FIRST TRUST PORTFOLIOS LP |
13D/G
First Trust Portfolios L.P.
|
2.9%
Reported 13D/G
· 31 Mar 2026
|
$478,802,380
1,654,866 shares
|
-$376,498,474 | 31 Mar 2026 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$2,611,637,129
6,278,577 shares
|
— | 30 Jun 2026 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$1,288,855,804
3,098,509 shares
|
— | 30 Jun 2026 |
| Jericho Capital Asset Management L.P. |
13F
Company
|
—
denominator unverified
|
$881,314,834
2,118,749 shares
|
— | 30 Jun 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$740,798,207
1,779,100 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$31,217,405.
Buys
$0
Insiders: 0
Sells
$31,217,405
Insiders: 13
Net
-$31,217,405
Shares: -96,140
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 96,140
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 26,478 | $0 | $9,077,134 | -$9,077,134 |
| 3-6 | 0 | 23,399 | $0 | $9,012,603 | -$9,012,603 |
| 6-9 | 0 | 29,022 | $0 | $8,777,609 | -$8,777,609 |
| 9-12 | 0 | 17,241 | $0 | $4,350,059 | -$4,350,059 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 34 reporting-owner rows connected to F5, INC.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
34
Largest Forms 3/4/5 holder
Francois Locoh-Donou
Net 12M change
-$31.22M
Full value: -$31,217,406 · USD · 12-month changeLatest report
04 Nov 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Francois Locoh-Donou | President, CEO & Director, Director | $109,956,220 | -$5,209,171 | -4.5% | Mixed | 01 Nov 2026 |
| Kara Lynn Sprague | EVP & GM, Application Services | $20,405,579 | Mixed | 01 Nov 2024 | ||
| Francis J. Pelzer | EVP, Chief Financial Officer | $11,928,767 | Mixed | 01 Nov 2024 | ||
| Chad Michael Whalen | EVP, Worldwide Sales | $10,775,735 | -$5,169,369 | -32% | Mixed | 03 Nov 2026 |
| Scot Frazier Rogers | EVP and General Counsel | $9,008,092 | Mixed | 26 Feb 2025 | ||
| Ana Maria White | EVP and Chief People Officer | $6,961,559 | Mixed | 14 Aug 2023 | ||
| Kunal Anand | Chief Technology Officer | $6,760,972 | -$1,914,734 | -22% | Mixed | 03 Nov 2026 |
| Thomas Dean Fountain | EVP Global Services & Strategy | $5,765,854 | -$8,071,736 | -58% | Mixed | 04 Nov 2026 |
| John Anthony Maddison | Chief Product Mkting Officer | $5,023,451 | -$1,292,309 | -20% | Mixed | 03 Nov 2026 |
| Peter S. Klein | Director | $4,464,595 | Mixed | 12 Mar 2025 | ||
| Mika Yamamoto | EVP, Chief Marketing Officer | $4,273,355 | Mixed | 01 Nov 2023 | ||
| Nikhil Ramesh Mehta | Director | $3,034,828 | -$1,555,795 | -34% | Mixed | 30 Jul 2026 |
| Angus James Bruce Robertson | SVP & GM, Nginx | $2,862,531 | Mixed | 01 Nov 2021 | ||
| Michael F. Montoya | Chief Technology Ops Officer | $2,609,539 | -$2,242,980 | -46% | Mixed | 04 Nov 2026 |
| Geng Lin | EVP, Chief Technology Officer | $2,511,535 | Mixed | 01 Aug 2023 | ||
| Alan Higginson | Director | $2,473,436 | -$797,569 | -24% | Mixed | 11 Mar 2026 |
| Edward Cooper Werner | Chief Financial Officer | $2,405,142 | -$2,728,787 | -53% | Mixed | 03 Nov 2026 |
| Elizabeth Buse | Director | $2,227,768 | -$399,349 | -15% | Mixed | 10 Jun 2026 |
| Michel Combes | Director | $1,884,673 | Mixed | 11 Mar 2026 | ||
| Haiyan Song | EVP of Security | $1,725,082 | Mixed | 01 Feb 2023 |
Recent insider transactions for F5, INC.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Michael F. Montoya | FFIV | Common Stock | Sale | -49.8% | -$427,600 | $329.68 | -1,297 | 1,309 | 04 Nov 2026 | Direct |
| Thomas Dean Fountain | FFIV | Common Stock | Sale | -53.8% | -$3,095,268 | $329.74 | -9,387 | 8,060 | 04 Nov 2026 | Direct |
| Kunal Anand | FFIV | Common Stock | Sale | -12% | -$644,555 | $324.06 | -1,989 | 14,578 | 03 Nov 2026 | Direct |
| Chad Michael Whalen | FFIV | Common Stock | Sale | -21.4% | -$2,290,423 | $329.56 | -6,950 | 25,467 | 03 Nov 2026 | Direct |
| John Anthony Maddison | FFIV | Common Stock | Sale | -28.3% | -$200,593 | $324.06 | -619 | 1,566 | 03 Nov 2026 | Direct |
| Edward Cooper Werner | FFIV | Common Stock | Sale | -17.4% | -$194,112 | $324.06 | -599 | 2,851 | 03 Nov 2026 | Direct |
| Angelique M. Okeke | FFIV | Common Stock | Sale | -26% | -$326,328 | $324.06 | -1,007 | 2,862 | 03 Nov 2026 | Direct |
| Chad Michael Whalen | FFIV | Restricted Stock Unit | Award | 6,284 | 6,284 | 02 Nov 2026 | Direct | |||
| Edward Cooper Werner | FFIV | Restricted Stock Unit | Award | 5,611 | 5,611 | 02 Nov 2026 | Direct | |||
| Catherine A. Peterman | FFIV | Restricted Stock Unit | Award | 3,367 | 3,367 | 02 Nov 2026 | Direct | |||
| Angelique M. Okeke | FFIV | Restricted Stock Unit | Award | 3,928 | 3,928 | 02 Nov 2026 | Direct | |||
| Michael F. Montoya | FFIV | Restricted Stock Unit | Award | 3,928 | 3,928 | 02 Nov 2026 | Direct | |||
| John Anthony Maddison | FFIV | Restricted Stock Unit | Award | 4,265 | 4,265 | 02 Nov 2026 | Direct | |||
| Francois Locoh-Donou | FFIV | Restricted Stock Unit | Award | 16,159 | 16,159 | 02 Nov 2026 | Direct | |||
| Thomas Dean Fountain | FFIV | Restricted Stock Unit | Award | 6,733 | 6,733 | 02 Nov 2026 | Direct | |||
| Kunal Anand | FFIV | Restricted Stock Unit | Award | 7,855 | 7,855 | 02 Nov 2026 | Direct | |||
| Chad Michael Whalen | FFIV | Common Stock | Tax liability | -17.9% | -7,050 | 32,417 | 01 Nov 2026 | Direct | ||
| Chad Michael Whalen | FFIV | Common Stock | Options Exercise | 6.24% | 2,319 | 39,467 | 01 Nov 2026 | Direct | ||
| Chad Michael Whalen | FFIV | Restricted Stock Unit | Options Exercise | -100% | -2,319 | 0 | 01 Nov 2026 | Direct | ||
| Edward Cooper Werner | FFIV | Common Stock | Tax liability | -36.4% | -1,972 | 3,450 | 01 Nov 2026 | Direct | ||
| Edward Cooper Werner | FFIV | Common Stock | Options Exercise | 22.2% | 987 | 5,422 | 01 Nov 2026 | Direct | ||
| Edward Cooper Werner | FFIV | Restricted Stock Unit | Options Exercise | -35.3% | -987 | 1,812 | 01 Nov 2026 | Direct | ||
| Catherine A. Peterman | FFIV | Common Stock | Tax liability | -39.6% | -426 | 651 | 01 Nov 2026 | Direct | ||
| Catherine A. Peterman | FFIV | Common Stock | Options Exercise | 1,077 | 1,077 | 01 Nov 2026 | Direct | |||
| Catherine A. Peterman | FFIV | Restricted Stock Unit | Options Exercise | -12.5% | -1,077 | 7,541 | 01 Nov 2026 | Direct | ||
| Angelique M. Okeke | FFIV | Common Stock | Tax liability | -21.3% | -1,049 | 3,869 | 01 Nov 2026 | Direct | ||
| Angelique M. Okeke | FFIV | Common Stock | Options Exercise | 36.4% | 1,312 | 4,918 | 01 Nov 2026 | Direct | ||
| Angelique M. Okeke | FFIV | Restricted Stock Unit | Options Exercise | -100% | -1,312 | 0 | 01 Nov 2026 | Direct | ||
| Michael F. Montoya | FFIV | Common Stock | Tax liability | -24.4% | -840 | 2,606 | 01 Nov 2026 | Direct | ||
| Michael F. Montoya | FFIV | Common Stock | Options Exercise | 163.2% | 2,137 | 3,446 | 01 Nov 2026 | Direct | ||
| Michael F. Montoya | FFIV | Restricted Stock Unit | Options Exercise | -33.3% | -2,137 | 4,274 | 01 Nov 2026 | Direct | ||
| John Anthony Maddison | FFIV | Common Stock | Tax liability | -36.9% | -1,276 | 2,185 | 01 Nov 2026 | Direct | ||
| John Anthony Maddison | FFIV | Common Stock | Options Exercise | 15.1% | 454 | 3,461 | 01 Nov 2026 | Direct | ||
| John Anthony Maddison | FFIV | Restricted Stock Unit | Options Exercise | -11.1% | -454 | 3,633 | 01 Nov 2026 | Direct | ||
| Francois Locoh-Donou | FFIV | Common Stock | Tax liability | -12.7% | -27,549 | 189,466 | 01 Nov 2026 | Direct | ||
| Francois Locoh-Donou | FFIV | Common Stock | Options Exercise | 2.96% | 6,235 | 217,015 | 01 Nov 2026 | Direct | ||
| Francois Locoh-Donou | FFIV | Restricted Stock Unit | Options Exercise | -100% | -6,235 | 0 | 01 Nov 2026 | Direct | ||
| Thomas Dean Fountain | FFIV | Common Stock | Tax liability | -39.9% | -11,590 | 17,447 | 01 Nov 2026 | Direct | ||
| Thomas Dean Fountain | FFIV | Common Stock | Options Exercise | 10.3% | 2,702 | 29,037 | 01 Nov 2026 | Direct | ||
| Thomas Dean Fountain | FFIV | Restricted Stock Unit | Options Exercise | -100% | -2,702 | 0 | 01 Nov 2026 | Direct | ||
| Kunal Anand | FFIV | Common Stock | Tax liability | -13.5% | -2,577 | 16,567 | 01 Nov 2026 | Direct | ||
| Kunal Anand | FFIV | Common Stock | Options Exercise | 7.23% | 1,291 | 19,144 | 01 Nov 2026 | Direct | ||
| Kunal Anand | FFIV | Restricted Stock Unit | Options Exercise | -34.1% | -1,291 | 2,492 | 01 Nov 2026 | Direct | ||
| Chad Michael Whalen | FFIV | Common Stock | Award | 72.5% | 15,612 | 37,148 | 29 Oct 2026 | Direct | ||
| Edward Cooper Werner | FFIV | Common Stock | Award | 992.4% | 4,029 | 4,435 | 29 Oct 2026 | Direct | ||
| Angelique M. Okeke | FFIV | Common Stock | Award | 61% | 1,366 | 3,606 | 29 Oct 2026 | Direct | ||
| John Anthony Maddison | FFIV | Common Stock | Award | 161.7% | 1,858 | 3,007 | 29 Oct 2026 | Direct | ||
| Francois Locoh-Donou | FFIV | Common Stock | Award | 43.4% | 63,791 | 210,780 | 29 Oct 2026 | Direct | ||
| Thomas Dean Fountain | FFIV | Common Stock | Award | 226.7% | 18,275 | 26,335 | 29 Oct 2026 | Direct | ||
| Kunal Anand | FFIV | Common Stock | Award | 41.8% | 5,267 | 17,853 | 29 Oct 2026 | Direct |
* marks a reported price that did not pass the local price check.