Comparable stake leader
VANGUARD CAPITAL MANAGEMENT LLC
SEC ownership of SYNOPSYS INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000883241.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- SNPS 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
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000883241
- 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 SYNOPSYS 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
30 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 7.5%
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%.
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
7.5%
Capital World Investors
4.2%
Ajei Gopal
0.09%
CHIZEN BRUCE R
0.01%
Janice Chaffin
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
|
7.5%
|
$5,686,931,497
14,343,552 shares
|
$0 | 31 Mar 2026 |
| Capital World Investors |
13D/G
|
4.2%
|
$3,818,277,122
7,738,862 shares
|
-$96,364,494 | 30 Sep 2025 |
| Ajei Gopal |
3/4/5
Director
|
0.09%
|
$104,057,876
167,746 shares
|
— | 11 Sep 2025 |
| CHIZEN BRUCE R |
3/4/5
Director
|
0.01%
|
$6,407,909
16,162 shares
|
— | 16 Apr 2026 |
| Janice Chaffin |
3/4/5
Director
|
0.01%
|
$6,193,810
15,622 shares
|
— | 16 Apr 2026 |
| John Schwarz |
3/4/5
Director
|
0.01%
|
$5,249,395
13,240 shares
|
— | 16 Apr 2026 |
| Ravi Kumar Vijayaraghavan |
3/4/5
Director
|
0%
|
$1,453,892
3,667 shares
|
— | 16 Apr 2026 |
| Jeannine P. Sargent |
3/4/5
Director
|
0%
|
$1,364,683
3,442 shares
|
— | 16 Apr 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: -$50,381,428.
Buys
$148,904
Insiders: 1
Sells
$50,530,332
Insiders: 5
Net
-$50,381,428
Shares: -112,318
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 350
Shares: 112,668
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 92,638 | $0 | $40,747,887 | -$40,747,887 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 4,157 | $0 | $1,945,036 | -$1,945,036 |
| 9-12 | 350 | 15,873 | $148,904 | $7,837,408 | -$7,688,505 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 25 reporting-owner rows connected to SYNOPSYS INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
25
Largest Forms 3/4/5 holder
Aart de Geus
Net 12M change
-$50,381,428
Latest report
01 Sep 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Aart de Geus | EXECUTIVE CHAIR, Director | $196,302,446 | -$32,518,294 | -14% | Mixed | 31 Aug 2026 |
| Ajei Gopal | Director | $104,057,876 | Mixed | 11 Sep 2025 | ||
| Chi-Foon Chan | Co-CEO, Director | $76,740,377 | Mixed | 28 Feb 2022 | ||
| Joseph W. Logan | Chief Revenue Officer | $49,444,411 | Mixed | 31 Aug 2022 | ||
| Sassine E. Ghazi | PRESIDENT AND CEO, Director | $35,467,002 | -$6,702,222 | -16% | Mixed | 31 Aug 2026 |
| Trac Pham | Cfo | $19,713,946 | Mixed | 31 Aug 2022 | ||
| Roy Vallee | Director | $13,106,481 | Mixed | 10 Apr 2024 | ||
| Chrysostomos L. Nikias | Director | $11,573,885 | Mixed | 19 Aug 2022 | ||
| Sudhindra Kankanwadi | Deputy CFO & CAO | $10,841,093 | -$7,837,408 | -42% | Mixed | 31 Aug 2026 |
| John Frederick Runkel Jr. | GC & Corporate Secretary | $10,796,089 | Mixed | 15 Mar 2025 | ||
| Janet Lee | GC & Corporate Secretary | $7,310,195 | -$260,000 | -3.4% | Median | 01 Sep 2026 |
| Shelagh Glaser | Cfo | $6,976,068 | -$3,212,408 | -32% | Mixed | 15 Jun 2026 |
| CHIZEN BRUCE R | Director | $6,407,909 | Mixed | 16 Apr 2026 | ||
| Janice Chaffin | Director | $6,193,810 | Mixed | 16 Apr 2026 | ||
| John Schwarz | Director | $5,249,395 | Mixed | 16 Apr 2026 | ||
| Ravi Kumar Vijayaraghavan | Director | $1,453,892 | Mixed | 16 Apr 2026 | ||
| Jeannine P. Sargent | Director | $1,364,683 | Mixed | 16 Apr 2026 | ||
| Richard S. Mahoney | Chief Revenue Officer | $1,277,021 | Mixed | 29 Aug 2025 | ||
| Marc N. Casper | Director | $1,269,398 | Mixed | 10 Apr 2024 | ||
| Michael Ellow | Chief Revenue Officer | $1,172,271 | Median | 31 Aug 2026 |
Recent insider transactions for SYNOPSYS 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Janet Lee | SNPS | Common Stock | Tax liability | -1.82% | -304 | 16,388 | 01 Sep 2026 | Direct | ||
| Janet Lee | SNPS | Common Stock | Options Exercise | 4.37% | 699 | 16,692 | 01 Sep 2026 | Direct | ||
| Janet Lee | SNPS | Restricted Stock Units | Options Exercise | -33.3% | -699 | 1,398 | 01 Sep 2026 | Direct | ||
| Aart de Geus | SNPS | Common Stock | Sale | -17% | $10,335,424 | $419.44 | -24,641 | 120,443 | 01 Sep 2026 | Direct |
| Aart de Geus | SNPS | Common Stock | Options Exercise | 20.5% | 24,641 | 145,084 | 01 Sep 2026 | Direct | ||
| Aart de Geus | SNPS | Non-Qualified Stock Option (right to buy) | Options Exercise | -100% | -24,641 | 0 | 01 Sep 2026 | Direct | ||
| Sassine E. Ghazi | SNPS | Common Stock | Other | 0.04% | 27 | 76,865 | 31 Aug 2026 | Direct | ||
| Sudhindra Kankanwadi | SNPS | Common Stock | Other | 0.12% | 27 | 22,717 | 31 Aug 2026 | Direct | ||
| Michael Ellow | SNPS | Common Stock | Other | 1.04% | 27 | 2,612 | 31 Aug 2026 | Direct | ||
| Aart de Geus | SNPS | Common Stock | Other | 0.02% | 22 | 120,443 | 31 Aug 2026 | Direct | ||
| Aart de Geus | SNPS | Common Stock | Sale | -17.2% | $11,044,115 | $441.76 | -25,000 | 120,421 | 31 Aug 2026 | Direct |
| Aart de Geus | SNPS | Common Stock | Options Exercise | 20.8% | 25,000 | 145,421 | 31 Aug 2026 | Direct | ||
| Aart de Geus | SNPS | Non-Qualified Stock Option (right to buy) | Options Exercise | -50.4% | -25,000 | 24,641 | 31 Aug 2026 | Direct | ||
| Aart de Geus | SNPS | Common Stock | Sale | -17.2% | $11,138,755 | $445.55 | -25,000 | 120,421 | 28 Aug 2026 | Direct |
| Aart de Geus | SNPS | Common Stock | Options Exercise | 20.8% | 25,000 | 145,421 | 28 Aug 2026 | Direct | ||
| Aart de Geus | SNPS | Non-Qualified Stock Option (right to buy) | Options Exercise | -33.5% | -25,000 | 49,641 | 28 Aug 2026 | Direct | ||
| Janet Lee | SNPS | Common Stock | Tax liability | -1.95% | -318 | 15,993 | 16 Aug 2026 | Direct | ||
| Janet Lee | SNPS | Common Stock | Options Exercise | 4.68% | 729 | 16,311 | 16 Aug 2026 | Direct | ||
| Janet Lee | SNPS | Restricted Stock Units | Options Exercise | -14.3% | -729 | 4,374 | 16 Aug 2026 | Direct | ||
| Michael Ellow | SNPS | Common Stock | Tax liability | -55.5% | -2,543 | 2,041 | 15 Jun 2026 | Direct | ||
| Michael Ellow | SNPS | Common Stock | Options Exercise | 5,128 | 4,048 | 15 Jun 2026 | Direct | |||
| Michael Ellow | SNPS | Restricted Stock Units | Options Exercise | -16.7% | -5,128 | 25,633 | 15 Jun 2026 | Direct | ||
| Janet Lee | SNPS | Common Stock | Tax liability | -1.49% | -235 | 15,582 | 15 Jun 2026 | Direct | ||
| Janet Lee | SNPS | Common Stock | Options Exercise | 3.53% | 540 | 15,817 | 15 Jun 2026 | Direct | ||
| Janet Lee | SNPS | Restricted Stock Units | Options Exercise | -16.7% | -540 | 2,698 | 15 Jun 2026 | Direct | ||
| Sudhindra Kankanwadi | SNPS | Common Stock | Tax liability | -1.09% | -249 | 22,690 | 15 Jun 2026 | Direct | ||
| Sudhindra Kankanwadi | SNPS | Common Stock | Options Exercise | 3.24% | 720 | 22,939 | 15 Jun 2026 | Direct | ||
| Sudhindra Kankanwadi | SNPS | Restricted Stock Units | Options Exercise | -16.7% | -720 | 3,597 | 15 Jun 2026 | Direct | ||
| Shelagh Glaser | SNPS | Common Stock | Tax liability | -23.1% | -436 | 1,452 | 15 Jun 2026 | Direct | ||
| Shelagh Glaser | SNPS | Common Stock | Options Exercise | 200.2% | 1,259 | 1,888 | 15 Jun 2026 | Direct | ||
| Shelagh Glaser | SNPS | Restricted Stock Units | Options Exercise | -16.7% | -1,259 | 6,295 | 15 Jun 2026 | Direct | ||
| Sassine E. Ghazi | SNPS | Common Stock | Tax liability | -1.9% | -1,492 | 76,838 | 15 Jun 2026 | Direct | ||
| Sassine E. Ghazi | SNPS | Common Stock | Sale | -16.3% | $6,702,222 | $458.96 | -14,603 | 75,020 | 15 Jun 2026 | Direct |
| Sassine E. Ghazi | SNPS | Common Stock | Options Exercise | 25% | 17,913 | 89,623 | 15 Jun 2026 | Direct | ||
| Sassine E. Ghazi | SNPS | Restricted Stock Units | Options Exercise | -16.7% | -3,310 | 16,546 | 15 Jun 2026 | Direct | ||
| Sassine E. Ghazi | SNPS | Non-Qualified Stock Option (right to buy) | Options Exercise | -33.3% | -14,603 | 29,208 | 15 Jun 2026 | Direct | ||
| Aart de Geus | SNPS | Common Stock | Tax liability | -0.13% | -156 | 120,421 | 15 Jun 2026 | Direct | ||
| Aart de Geus | SNPS | Common Stock | Options Exercise | 0.37% | 449 | 120,577 | 15 Jun 2026 | Direct | ||
| Aart de Geus | SNPS | Restricted Stock Units | Options Exercise | -16.7% | -449 | 2,244 | 15 Jun 2026 | Direct | ||
| Shelagh Glaser | SNPS | Common Stock | Sale | -19.1% | $1,527,372 | $450.02 | -3,394 | 14,358 | 12 Jun 2026 | by Trust |
| Janet Lee | SNPS | Common Stock | Tax liability | -1.95% | -304 | 15,277 | 01 Jun 2026 | Direct | ||
| Janet Lee | SNPS | Common Stock | Options Exercise | 4.7% | 699 | 15,581 | 01 Jun 2026 | Direct | ||
| Janet Lee | SNPS | Restricted Stock Units | Options Exercise | -25% | -699 | 2,097 | 01 Jun 2026 | Direct | ||
| Jesse Cohn | SNPS | Common Stock | Award | 1,082 | 1,082 | 01 Jun 2026 | Direct | |||
| Janet Lee | SNPS | Common Stock | Tax liability | -2.09% | -318 | 14,882 | 16 May 2026 | Direct | ||
| Janet Lee | SNPS | Common Stock | Options Exercise | 5.04% | 729 | 15,200 | 16 May 2026 | Direct | ||
| Janet Lee | SNPS | Restricted Stock Units | Options Exercise | -12.5% | -729 | 5,103 | 16 May 2026 | Direct | ||
| Ravi Kumar Vijayaraghavan | SNPS | Common Stock | Award | 14.1% | 453 | 3,667 | 16 Apr 2026 | Direct | ||
| Peter A. Shimer | SNPS | Common Stock | Award | 49% | 453 | 1,378 | 16 Apr 2026 | Direct | ||
| John Schwarz | SNPS | Common Stock | Award | 3.54% | 453 | 13,240 | 16 Apr 2026 | Direct |
* marks a reported price that did not pass the local price check.