Guidewire Software Inc (GWRE)
Who owns Guidewire Software Inc (GWRE)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 90.1% of the shares are freely tradable; institutional investors hold 104.8%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 11.20 | 9,327,701 | +5.0 | 03/31/2026 |
| Linonia Partnership LP | 9.19 | 7,651,130 | +42.7 | 03/31/2026 |
| BAMCO Inc | 7.92 | 6,597,453 | +28.2 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.52 | 4,594,571 | +0.0 | 03/31/2026 |
| Darsana Capital Partners LP | 4.80 | 4,000,000 | +60.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.62 | 3,843,061 | +0.0 | 03/31/2026 |
| Massachusetts Financial Services Company | 3.60 | 2,995,337 | -29.7 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Baron Partners Retail | 4.22 | 3,512,348 | +107.3 | 06/30/2026 |
| iShares Core S&P Mid-Cap ETF | 3.48 | 2,896,570 | +0.2 | 07/28/2026 |
| Vanguard Morn Total Stk Mkt Idx Investor | 3.23 | 2,686,402 | -0.7 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 27. Jul 2026 | Rosenbaum Michael George | Chief Executive Officer | Sell | 1,200 | 142.31 | 170,772 |
| 20. Jul 2026 | Rosenbaum Michael George | Chief Executive Officer | Sell | 1,200 | 147.42 | 176,904 |
| 13. Jul 2026 | Rosenbaum Michael George | Chief Executive Officer | Sell | 1,200 | 138.47 | 166,164 |
| 9. Jul 2026 | King James Winston | Chief Admin Officer, Gen Couns | Sell | 1,684 | 130.64 | 219,998 |
| 20. Apr 2026 | Michael George Rosenbaum | CEO | Sell | 1,200 | 139.75 | 167,700 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.