Synopsys Inc
SNPS- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0000883241
In the last 90 days, Synopsys Inc insiders filed 0 open-market purchases and 6 sales; 1,456 institutions reported holding it in 13F filings for Q2 2026, worth $78.8B in total; 5 superinvestors hold it, including Coatue Management and Elliott Investment Management.
Holders of 5% or more of SNPS
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Synopsys Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 13G | 7.48%14.3M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
15 Schedule 13D and 13G filings on Synopsys Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 30, 20262:01 PM ET | Vanguard Capital Management LLC | 13G | 7.48%14.3M shares | New | Mar 31, 2026 | SEC |
| Mar 27, 20261:20 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Nov 13, 20257:06 PM ET | Capital World Investors | 13G/A | 4.20%7.74M shares | −0.90 ppfrom 5.10%Below 5% | Sep 30, 2025 | SEC |
| May 13, 202511:44 AM ET | Capital World Investors | 13G | 5.10%7.93M shares | New | Mar 31, 2025 | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 26, 202411:49 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 25, 202310:36 AM ET | BlackRock Inc. | 13GOld format | – | – | – | SEC |
| Feb 14, 2022 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 1, 20225:08 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 1, 20218:23 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
49 notices from officers, directors and other affiliates planning to sell Synopsys Inc shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Oct 15, 20264:02 PM ET | Sassine E GhaziOfficer · Director | 14.6K | $6.76M | Oct 15, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Oct 6, 20265:21 PM ET | Janet LeeOfficer | 1.14K | $574.9K | Oct 6, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Oct 6, 20264:01 PM ET | Sudhindra KankanwadiOfficer | 9.17K | $4.58M | Oct 6, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Oct 5, 20264:50 PM ET | Sudhindra KankanwadiOfficer | 3.00K | $1.45M | Oct 5, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 15, 20264:05 PM ET | Sassine E GhaziOfficer · Director | 14.6K | $5.47M | Sep 15, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 28, 20264:14 PM ET | De Geus AartOfficer · Director | 74.6K | $34.5M | Aug 28, 202610b5-1 | UBS Financial Services Inc. | SEC |
| Jun 15, 20264:10 PM ET | Sassine E GhaziOfficer · Director | 14.6K | $6.70M | Jun 15, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 12, 20264:06 PM ET | Glaser ShelaghOfficer · CFO | 3.39K | $1.53M | Jun 12, 202610b5-1 | UBS Financial Services, Inc. | SEC |
| Jan 12, 20264:11 PM ET | Janet LeeOfficer | 250 | $132.5K | Jan 12, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jan 7, 20264:08 PM ET | Janet LeeOfficer | 250 | $127.5K | Jan 7, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Dec 19, 20254:04 PM ET | Shelagh M GlaserOfficer | 3.66K | $1.69M | Dec 19, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 22, 20254:03 PM ET | Sudhindra KankanwadiOfficer | 9.87K | $4.95M | Sep 22, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 19, 20254:04 PM ET | Sudhindra KankanwadiOfficer | 6.00K | $2.89M | Sep 19, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 5, 20254:03 PM ET | Shelagh M GlaserOfficer | 3.65K | $2.23M | Sep 5, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 2, 20254:02 PM ET | Sassine E GhaziOfficer · Director | 11.4K | $6.69M | Sep 2, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 18, 20254:07 PM ET | Richard S. MahoneyOfficer | 9.01K | $4.25M | Jun 18, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 10, 20254:03 PM ET | Marc CasperDirector | 3.40K | $1.69M | Jun 10, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 6, 20254:08 PM ET | Shelagh M GlaserOfficer | 7.31K | $3.55M | Jun 6, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 2, 20254:06 PM ET | Sassine E GhaziOfficer · Director | 11.4K | $5.20M | Jun 2, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Mar 6, 20254:13 PM ET | De Geus AartOfficer · Director | 15.7K | $6.98M | Mar 6, 202510b5-1 | UBS Financial Services Inc. | SEC |
| Mar 3, 20254:19 PM ET | Sassine E GhaziOfficer · Director | 11.4K | $5.27M | Mar 3, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jan 15, 20254:12 PM ET | Richard S. MahoneyOfficer | 20.8K | $10.5M | Jan 15, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 23, 20244:07 PM ET | Sassine E GhaziOfficer · Director | 10.3K | $5.70M | Aug 23, 202410b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jul 8, 20244:13 PM ET | De Geus AartOfficer · Director | 34.9K | $21.7M | Jul 8, 202410b5-1 | UBS Financial Services Inc. | SEC |
| Jul 2, 20244:14 PM ET | De Geus AartOfficer · Director | 34.9K | $21.0M | Jul 2, 202410b5-1 | UBS Financial Services Inc. | SEC |
Showing the latest 25. See the SNPS notices from the last 12 months