Who owns Guidewire Software, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of GWRE from SEC Form 13F filings across 545 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 545 institutions disclosed 84.6M shares of Guidewire Software, Inc. worth $10.41B — about 100.5% of shares outstanding; the largest disclosed holder is BAMCO INC /NY/. Source: SEC Form 13F filings, parsed by EvidInvest.
545
13F holders
$10.41B
value, 2026 filers
100.5%
of shares outstanding (84.6M sh)
90
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of GWRE's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BAMCO INC /NY/ | 9.0M | $1.11B | 1.7% | 10.7% | +36.3% |
| 2 | BlackRock, Inc. | 8.9M | $1.10B | 0.0% | 10.6% | -4.5% |
| 3 | Linonia Partnership LP | 6.9M | $853.2M | 15.2% | 8.2% | -9.4% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 4.5M | $554.6M | 0.0% | 5.4% | -1.9% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 3.8M | $473.2M | 0.0% | 4.6% | +0.1% |
| 6 | Darsana Capital Partners LP | 3.8M | $468.1M | 2.1% | 4.5% | -4.9% |
| 7 | STATE STREET CORP | 2.7M | $330.0M | 0.0% | 3.2% | +2.3% |
| 8 | JPMORGAN CHASE & CO | 2.2M | $272.3M | 0.0% | 2.7% | +162.2% |
| 9 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 2.0M | $249.6M | 0.1% | 2.4% | -32.3% |
| 10 | Route One Investment Company, L.P. | 1.8M | $227.6M | 9.1% | 2.2% | 0.0% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1.6M | $201.3M | 0.0% | 1.9% | -4.3% |
| 12 | PRINCIPAL FINANCIAL GROUP INC | 1.2M | $153.7M | 0.1% | 1.5% | +5.8% |
| 13 | VAN ECK ASSOCIATES CORPNEW | 1.2M | $149.6M | 0.1% | 1.4% | new |
| 14 | T. Rowe Price Investment Management, Inc. | 1.2M | $147.5M | 0.1% | 1.4% | +3.8% |
| 15 | Artisan Partners Limited Partnership | 970,325 | $119.4M | 0.2% | 1.2% | -15.3% |
| 16 | WASATCH ADVISORS LP | 867,117 | $106.7M | 0.7% | 1% | +8.2% |
| 17 | WESTFIELD CAPITAL MANAGEMENT CO LP | 839,337 | $103.3M | 0.3% | 1% | +72.5% |
| 18 | JANE STREET GROUP, LLC | 834,841 | $102.7M | 0.0% | 1% | +14.2% |
| 19 | WELLINGTON MANAGEMENT GROUP LLP | 776,446 | $95.5M | 0.0% | 0.9% | -30.5% |
| 20 | Stockbridge Partners LLC | 759,827 | $93.5M | 2.0% | 0.9% | +456.9% |
| 21 | DF DENT & CO INCNEW | 726,645 | $89.4M | 1.7% | 0.9% | new |
| 22 | NORTHERN TRUST CORP | 726,559 | $89.4M | 0.0% | 0.9% | -3.1% |
| 23 | BLAIR WILLIAM & CO/IL | 726,387 | $89.4M | 0.2% | 0.9% | -25.5% |
| 24 | BANK OF AMERICA CORP /DE/ | 696,536 | $85.7M | 0.0% | 0.8% | +0.1% |
| 25 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 663,050 | $81.6M | 0.0% | 0.8% | +10.8% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.