Institutional Ownership
Guidewire Software Inc
CUSIP 40171V100COMGWREQ1 2026
13D / 13G Filings
37
Schedule 13D/13G on record
Beneficial Filers
10
Distinct reporting persons
Largest Stake
10.5%
Max % of class reported
Institutional Holders
583
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
37 filings · latest Feb 17, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 17, 2026 | Linonia Partners Fund LP | 13G/A | 6.3% | 5.36M | SEC |
| 2 | Feb 17, 2026 | Bamco Inc /Ny/ | 13G/A | 6.0% | 5.15M | SEC |
| 3 | Sep 29, 2025 | Linonia Partners Fund LP | 13G | 5.0% | 4.24M | SEC |
| 4 | Jul 2, 2025 | Blackrock, Inc. | 13G/A | 10.2% | 8.60M | SEC |
| 5 | Apr 17, 2025 | Blackrock, Inc. | 13G/A | 9.8% | 8.19M | SEC |
| 6 | Feb 13, 2025 | Massachusetts Financial Services Company | 13G | 5.3% | 4.44M | SEC |
| 7 | Nov 14, 2024 | Bamco Inc /Ny/ | 13G/A | 7.3% | 6.01M | SEC |
| 8 | Nov 12, 2024 | Blackrock, Inc. | 13G/A | 7.1% | 5.91M | SEC |
| 9 | Oct 22, 2024 | Blackrock, Inc. | 13G/A | 7.1% | 5.91M | SEC |
| 10 | Jul 10, 2024 | Vanguard Group Inc | 13G/A | 10.1% | 8.34M | SEC |
27 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Guidewire Software Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 9.33M | $1.40B |
| 2 | Linonia Partnership LP | 7.65M | $1.14B |
| 3 | Bamco Inc /Ny/ | 6.60M | $986.72M |
| 4 | Darsana Capital Partners LP | 4.00M | $598.24M |
| 5 | Massachusetts Financial Services Co /Ma/ | 3.00M | $452.16M |
| 6 | State Street Corp | 2.62M | $391.95M |
| 7 | Royal Bank Of Canada | 2.04M | $304.61M |
| 8 | Route One Investment Company, L.P. | 1.85M | $276.59M |
| 9 | Geode Capital Management, LLC | 1.71M | $255.56M |
| 10 | Principal Financial Group Inc | 1.18M | $176.54M |