Guidewire Software (GWRE)
Runs policy, billing, and claims workflows for property-and-casualty insurers.
$150.46
After hours−0.05 (−0.03%)
At close$150.51(+0.76%)
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13F · 13D/G · Form 4
| Institutions | ≈ 105.04% | 87.45M shares | |
|---|---|---|---|
| 581 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 0.82% | 684.5K shares | |
| 14 holders · as of Sep 21, 2026 | |||
| Adds to | 105.86% | ||
83.26M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
These groups come from separate filings that can overlap, so they add to 105.86%; nothing is left for Other.
13F, as of Jun 30, 2026
581 holders · 87.45M shares · 91 new positions · 250 increased · 238 reduced · 131 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Bamco Inc /NY/ | 8.99M | 10.80% | +2.40M | Aug 14, 2026 |
| BlackRock, Inc. | 8.91M | 10.70% | −418.0K | Aug 7, 2026 |
| Linonia Partnership LP | 6.93M | 8.33% | −717.6K | Aug 14, 2026 |
| Vanguard Portfolio Management LLC | 4.51M | 5.41% | −87.3K | Aug 13, 2026 |
| Vanguard Capital Management LLC | 3.85M | 4.62% | +2.4K | Aug 13, 2026 |
| Darsana Capital Partners LP | 3.80M | 4.57% | −196.0K | Aug 14, 2026 |
| State Street Corp | 2.68M | 3.22% | +60.9K | Aug 7, 2026 |
| JPMorgan Chase & Co | 2.25M | 2.70% | +1.39M | Aug 12, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 10.20% | 8.60M | 13G | Jul 2, 2025 |
| Bamco Inc /NY/ | 9.62% | 8.01M | 13G | Jul 2, 2026 |
| Linonia Partners Fund LP | 9.00% | 7.65M | 13G | May 15, 2026 |
| Vanguard Portfolio Management | 5.45% | 4.62M | 13G | Apr 29, 2026 |
| Vanguard Capital Management | 5.30% | 4.49M | 13G | Apr 30, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 21, 2026 | Michael George Rosenbaumdirector, officer: Chief Executive Officer | Sale | 1,200 | $145.92 | 279,666 |
| Sep 17, 2026 | Michael George Rosenbaumdirector, officer: Chief Executive Officer | Sale | 72,290 | $144.47 | 280,866 |
| Sep 17, 2026 | John P. Mullenofficer: President | Sale | 39,683 | $144.47 | 183,647 |
| Sep 18, 2026 | Jeffrey Elliott Cooperofficer: Chief Financial Officer | Sale · 5 lots | 9,941 | $142.61 | 85,420 |
| Sep 17, 2026 | Jeffrey Elliott Cooperofficer: Chief Financial Officer | Sale | 23,234 | $144.47 | 95,361 |
| Sep 17, 2026 | David Franklin Petersonofficer: Chief Accounting Officer | Sale | 1,905 | $144.47 | 12,233 |
| Sep 18, 2026 | James Winston Kingofficer: Chief Admin Officer, Gen Couns | Sale | 1,381 | $144.98 | 44,558 |
| Sep 17, 2026 | James Winston Kingofficer: Chief Admin Officer, Gen Couns | Sale | 11,814 | $144.47 | 45,939 |
| Sep 14, 2026 | Michael George Rosenbaumdirector, officer: Chief Executive Officer | Sale | 1,200 | $145.87 | 230,082 |
| Sep 8, 2026 | Michael George Rosenbaumdirector, officer: Chief Executive Officer | Sale | 1,200 | $160.52 | 185,376 |
House and Senate disclosures
Not reported.