Comparable stake leader
VANGUARD CAPITAL MANAGEMENT LLC
SEC ownership of Fortinet, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001262039.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
11 Jun 2026
- Public ticker
- FTNT on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, 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
-
50 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
-
11 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001262039
- Issuer location
- Sunnyvale, CA
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 Fortinet, 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
50/50
Latest evidence
11 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 6.2%
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 6.2%.
50 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 5
VANGUARD CAPITAL MANAGEMENT LLC
6.2%
William H. Neukom
0.04%
Judith Sim
0.02%
Kenneth A. Goldman
0.01%
Jean X. Hu
0.01%
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 |
13D/G
13F
Vanguard Capital Management · Company
|
6.2%
|
$3,758,113,291
45,987,681 shares
|
$0 | 31 Mar 2026 |
| William H. Neukom |
3/4/5
Director
|
0.04%
|
$31,901,235
302,601 shares
mixed-class rows
|
— | 12 Jun 2025 |
| Judith Sim |
3/4/5
Director
|
0.02%
|
$10,699,172
129,542 shares
mixed-class rows
|
— | 11 Jun 2026 |
| Kenneth A. Goldman |
3/4/5
Director
|
0.01%
|
$3,685,716
43,719 shares
mixed-class rows
|
— | 11 Jun 2026 |
| Jean X. Hu |
3/4/5
Director
|
0.01%
|
$3,304,084
39,049 shares
mixed-class rows
|
— | 11 Jun 2026 |
| James G. Stavridis |
3/4/5
Director
|
0%
|
$1,517,685
17,189 shares
mixed-class rows
|
— | 11 Jun 2026 |
| Ming Hsieh |
3/4/5
Director
|
0%
|
$908,951
9,740 shares
mixed-class rows
|
— | 11 Jun 2026 |
| Mary Agnes Wilderotter |
3/4/5
Director
|
0%
|
$645,498
5,069 shares
mixed-class rows
|
— | 12 Jun 2025 |
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: -$162,555,313.
Buys
$0
Insiders: 0
Sells
$162,555,313
Insiders: 4
Net
-$162,555,313
Shares: -1,637,654
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 1,637,654
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 320,971 | $0 | $43,689,118 | -$43,689,118 |
| 3-6 | 0 | 519,350 | $0 | $42,284,710 | -$42,284,710 |
| 6-9 | 0 | 162,141 | $0 | $14,026,721 | -$14,026,721 |
| 9-12 | 0 | 635,192 | $0 | $62,554,764 | -$62,554,764 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-17 of 17 reporting-owner rows connected to Fortinet, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
17
Largest Forms 3/4/5 holder
Ken Xie
Net 12M change
-$162,555,313
Latest report
12 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Ken Xie | PRESIDENT & CEO, Director | $8,289,861,464 | -$67,487,813 | -0.81% | Mixed | 02 Jun 2026 |
| Michael Xie | VP, ENGINEERING & CTO, Director | $2,453,723,199 | -$75,970,626 | -3% | Mixed | 04 Jun 2026 |
| William H. Neukom | Director | $31,901,235 | Mixed | 12 Jun 2025 | ||
| John Whittle | Chief Operating Officer | $14,352,959 | -$18,749,948 | -57% | Mixed | 21 May 2026 |
| Judith Sim | Director | $10,699,172 | Mixed | 11 Jun 2026 | ||
| Christopher B. Paisley | Director | $4,744,663 | Mixed | 17 Jun 2021 | ||
| Kenneth A. Goldman | Director | $3,685,716 | Mixed | 11 Jun 2026 | ||
| Jean X. Hu | Director | $3,304,084 | Mixed | 11 Jun 2026 | ||
| Keith F. Jensen | Chief Financial Officer | $2,905,492 | Mixed | 01 May 2025 | ||
| Patrice Perche | Chief Revenue Off./EVP Supp. | $2,570,435 | Mixed | 21 Dec 2023 | ||
| Christiane Ohlgart | Chief Financial Officer | $2,336,653 | -$346,926 | -13% | Mixed | 20 May 2026 |
| James G. Stavridis | Director | $1,517,685 | Mixed | 11 Jun 2026 | ||
| Ming Hsieh | Director | $908,951 | Mixed | 11 Jun 2026 | ||
| Mary Agnes Wilderotter | Director | $645,498 | Mixed | 12 Jun 2025 | ||
| Janet Napolitano | Director | $541,065 | Mixed | 11 Jun 2026 | ||
| Kelly Ducourty | Director | $142,393 | Mixed | 16 Jun 2022 | ||
| Kan Derek T. | Director | Mixed | 12 Jun 2026 |
Recent insider transactions for Fortinet, 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Ming Hsieh | FTNT | Common Stock | Options Exercise | 7.27% | 650 | 9,597 | 11 Jun 2026 | Direct | ||
| Ming Hsieh | FTNT | Restricted Stock Units | Options Exercise | -100% | -650 | 0 | 11 Jun 2026 | Direct | ||
| Janet Napolitano | FTNT | Common Stock | Options Exercise | 17.9% | 650 | 4,274 | 11 Jun 2026 | Direct | ||
| Janet Napolitano | FTNT | Restricted Stock Units | Options Exercise | -100% | -650 | 0 | 11 Jun 2026 | Direct | ||
| Judith Sim | FTNT | Common Stock | Options Exercise | 0.5% | 650 | 129,542 | 11 Jun 2026 | Direct | ||
| Judith Sim | FTNT | Restricted Stock Units | Options Exercise | -100% | -650 | 0 | 11 Jun 2026 | Direct | ||
| James G. Stavridis | FTNT | Common Stock | Options Exercise | 3.93% | 650 | 17,189 | 11 Jun 2026 | Direct | ||
| James G. Stavridis | FTNT | Restricted Stock Units | Options Exercise | -100% | -650 | 0 | 11 Jun 2026 | Direct | ||
| Jean X. Hu | FTNT | Common Stock | Options Exercise | 1.69% | 650 | 39,049 | 11 Jun 2026 | Direct | ||
| Jean X. Hu | FTNT | Restricted Stock Units | Options Exercise | -100% | -650 | 0 | 11 Jun 2026 | Direct | ||
| Kenneth A. Goldman | FTNT | Common Stock | Options Exercise | 2.85% | 650 | 23,469 | 11 Jun 2026 | Direct | ||
| Kenneth A. Goldman | FTNT | Restricted Stock Units | Options Exercise | -100% | -650 | 0 | 11 Jun 2026 | Direct | ||
| Michael Xie | FTNT | Common Stock | Gift | -0.02% | -2,250 | 9,918,860 | 04 Jun 2026 | By Spouse | ||
| Michael Xie | FTNT | Common Stock | Gift | -0.03% | -3,000 | 9,918,360 | 04 Jun 2026 | Direct | ||
| Michael Xie | FTNT | Common Stock | Sale | -0.04% | $572,144 | $146.44 | -3,907 | 9,923,610 | 03 Jun 2026 | Direct |
| Ken Xie | FTNT | Common Stock | Sale | -0.3% | $23,385,059 | $145.58 | -160,632 | 52,972,372 | 02 Jun 2026 | Direct |
| Ken Xie | FTNT | Common Stock | Options Exercise | 0.29% | 155,000 | 53,133,004 | 02 Jun 2026 | Direct | ||
| Ken Xie | FTNT | Nonqualified Stock Option (right to buy) | Options Exercise | -25.1% | -155,000 | 461,470 | 02 Jun 2026 | Direct | ||
| John Whittle | FTNT | Common Stock | Sale | -60.6% | $18,749,948 | $128.41 | -146,015 | 94,724 | 21 May 2026 | Direct |
| John Whittle | FTNT | Common Stock | Options Exercise | 154.2% | 146,015 | 240,739 | 21 May 2026 | Direct | ||
| John Whittle | FTNT | Stock Option (right to buy) | Options Exercise | -100% | -146,015 | 0 | 21 May 2026 | Direct | ||
| Christiane Ohlgart | FTNT | Common Stock | Sale | -2.63% | $30,940 | $130.00 | -238 | 8,824 | 20 May 2026 | Direct |
| Michael Xie | FTNT | Common Stock | Gift | 29.5% | 5,854,588 | 25,680,202 | 19 May 2026 | By trust | ||
| Michael Xie | FTNT | Common Stock | Gift | -55.8% | -5,854,588 | 4,646,144 | 19 May 2026 | By Trust | ||
| Kenneth A. Goldman | FTNT | Common Stock | Gift | -7.23% | -1,500 | 19,250 | 19 May 2026 | By Goldman-Valeriote Family Trust u/a/d 11/15/95 | ||
| Christiane Ohlgart | FTNT | Common Stock | Sale | -7.7% | $90,720 | $120.00 | -756 | 9,062 | 14 May 2026 | Direct |
| Christiane Ohlgart | FTNT | Common Stock | Sale | -2.37% | $27,370 | $115.00 | -238 | 9,818 | 11 May 2026 | Direct |
| Christiane Ohlgart | FTNT | Common Stock | Sale | -6.99% | $83,160 | $110.00 | -756 | 10,056 | 07 May 2026 | Direct |
| Christiane Ohlgart | FTNT | Common Stock | Sale | -5.22% | $53,461 | $89.70 | -596 | 10,812 | 05 May 2026 | Direct |
| Michael Xie | FTNT | Common Stock | Sale | -0.02% | $220,281 | $88.89 | -2,478 | 9,927,517 | 04 May 2026 | Direct |
| Ken Xie | FTNT | Common Stock | Sale | -0.01% | $476,035 | $88.90 | -5,355 | 52,978,004 | 04 May 2026 | Direct |
| John Whittle | FTNT | Common Stock | Tax liability | -2.38% | -2,309 | 94,724 | 01 May 2026 | Direct | ||
| John Whittle | FTNT | Common Stock | Options Exercise | 4.94% | 4,572 | 97,033 | 01 May 2026 | Direct | ||
| John Whittle | FTNT | Restricted Stock Units | Options Exercise | -48.6% | -4,572 | 4,825 | 01 May 2026 | Direct | ||
| Michael Xie | FTNT | Common Stock | Tax liability | -0.03% | -3,184 | 9,929,995 | 01 May 2026 | Direct | ||
| Michael Xie | FTNT | Common Stock | Options Exercise | 0.06% | 6,305 | 9,933,179 | 01 May 2026 | Direct | ||
| Michael Xie | FTNT | Restricted Stock Units | Options Exercise | -43.2% | -6,305 | 8,291 | 01 May 2026 | Direct | ||
| Ken Xie | FTNT | Common Stock | Tax liability | -0.01% | -6,611 | 52,983,359 | 01 May 2026 | Direct | ||
| Ken Xie | FTNT | Common Stock | Options Exercise | 0.02% | 13,092 | 52,989,970 | 01 May 2026 | Direct | ||
| Ken Xie | FTNT | Restricted Stock Units | Options Exercise | -41.1% | -13,092 | 18,780 | 01 May 2026 | Direct | ||
| Christiane Ohlgart | FTNT | Common Stock | Tax liability | -13.2% | -1,742 | 11,408 | 01 May 2026 | Direct | ||
| Christiane Ohlgart | FTNT | Common Stock | Options Exercise | 59.4% | 4,903 | 13,150 | 01 May 2026 | Direct | ||
| Christiane Ohlgart | FTNT | Restricted Stock Units | Options Exercise | -41.3% | -2,537 | 3,608 | 01 May 2026 | Direct | ||
| Christiane Ohlgart | FTNT | Performance Stock Units | Options Exercise | -100% | -2,366 | 0 | 01 May 2026 | Direct | ||
| Christiane Ohlgart | FTNT | Performance Stock Units | Award | 2,366 | 2,366 | 17 Apr 2026 | Direct | |||
| Ken Xie | FTNT | Common Stock | Gift | -100% | -1,418,586 | 0 | 17 Apr 2026 | By Trust | ||
| Judith Sim | FTNT | Common Stock | Options Exercise | 0.51% | 649 | 128,892 | 31 Mar 2026 | Direct | ||
| Judith Sim | FTNT | Restricted Stock Units | Options Exercise | -50% | -649 | 650 | 31 Mar 2026 | Direct | ||
| Kenneth A. Goldman | FTNT | Common Stock | Options Exercise | 2.93% | 649 | 22,819 | 31 Mar 2026 | Direct | ||
| Kenneth A. Goldman | FTNT | Restricted Stock Units | Options Exercise | -50% | -649 | 650 | 31 Mar 2026 | Direct |
* marks a reported price that did not pass the local price check.