Guidewire Software, Inc. (GWRE) Ownership
GWRE ownership summary
as of October 18, 2026- Institutions
- 105.7% of shares outstanding
- Insiders
- 0.64% of shares outstanding
- Shares outstanding
- 82.0M
- Float
- 74.3M shares available to trade
- Short interest
- 3.96% 2.9M shares short
- Days to cover
- 1.78 short interest down 29.8% vs prior month
- Institutions 105.65%
- Insiders 0.64%
GWRE top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BAMCO Inc | 10.97% | 9.0M | $1.52B | +2.4M (+36.3%) | June 30, 2026 |
| 2 | BlackRock Inc | 10.87% | 8.9M | $1.50B | −418,036 (−4.5%) | June 30, 2026 |
| 3 | Linonia Partnership LP | 8.46% | 6.9M | $1.17B | −717,647 (−9.4%) | June 30, 2026 |
| 4 | Vanguard Portfolio Management, LLC | 5.50% | 4.5M | $761.1M | −87,283 (−1.9%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 4.69% | 3.8M | $649.3M | +2,404 (+0.1%) | June 30, 2026 |
| 6 | Darsana Capital Partners LP | 4.64% | 3.8M | $642.3M | −196,000 (−4.9%) | June 30, 2026 |
| 7 | State Street Corp | 3.27% | 2.7M | $452.8M | +60,897 (+2.3%) | June 30, 2026 |
| 8 | JPMorgan Chase & Co | 2.74% | 2.2M | $379.8M | +1.4M (+162.2%) | June 30, 2026 |
| 9 | Massachusetts Financial Services Company | 2.47% | 2.0M | $342.6M | −966,429 (−32.3%) | June 30, 2026 |
| 10 | Route One Investment Co, LP | 2.26% | 1.8M | $312.3M | — | June 30, 2026 |
| 11 | Geode Capital Management, LLC | 1.99% | 1.6M | $276.1M | −73,075 (−4.3%) | June 30, 2026 |
| 12 | Principal Financial Group Inc | 1.52% | 1.2M | $210.9M | +68,858 (+5.8%) | June 30, 2026 |
| 13 | Van Eck Associates Corporation | 1.48% | 1.2M | $205.3M | +1.2M (0.0%) | June 30, 2026 |
| 14 | T. Rowe Price Investment Management,Inc. | 1.46% | 1.2M | $202.4M | +44,413 (+3.8%) | June 30, 2026 |
| 15 | Curated Wealth Partners LLC | 1.37% | 1.1M | $189.2M | +1.1M (0.0%) | June 30, 2026 |
| 16 | Artisan Partners Limited Partnership | 1.18% | 970K | $163.8M | −174,915 (−15.3%) | June 30, 2026 |
| 17 | Wasatch Advisors LP | 1.06% | 867K | $146.4M | +65,628 (+8.2%) | June 30, 2026 |
| 18 | Westfield Capital Management Company, L.P. | 1.02% | 839K | $141.7M | +352,756 (+72.5%) | June 30, 2026 |
| 19 | Jane Street Group LLC | 1.02% | 835K | $141.0M | +103,496 (+14.2%) | June 30, 2026 |
| 20 | Wellington Management Company LLP | 0.95% | 776K | $131.1M | −340,073 (−30.5%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 6.8M shares and 8 cut 3.0M.
GWRE top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Baron Partners Retail | 3.99% | 3.3M | $553.0M | −237,291 (−6.8%) | September 30, 2026 |
| 2 | iShares Core S&P Mid-Cap ETF | 3.62% | 3.0M | $500.8M | −1,056 (−0.0%) | September 30, 2026 |
| 3 | Vanguard MStar Total Stk Mkt Idx Invest | 3.28% | 2.7M | $454.5M | −3,127 (−0.1%) | August 31, 2026 |
| 4 | Vanguard Small Cap Index | 2.29% | 1.9M | $316.5M | −73,823 (−3.8%) | September 30, 2026 |
| 5 | Vanguard Explorer Inv | 1.54% | 1.3M | $213.2M | −31,494 (−2.4%) | June 30, 2026 |
| 6 | Baron Focused Growth Retail | 1.35% | 1.1M | $187.4M | −220,002 (−16.5%) | September 30, 2026 |
| 7 | VanEck Morningstar Wide Moat ETF | 1.32% | 1.1M | $182.5M | — | September 30, 2026 |
| 8 | Vanguard MStar Small Cap Growth Indx Inv | 1.27% | 1.0M | $176.0M | −75,904 (−6.8%) | September 30, 2026 |
| 9 | MFS Mid Cap Growth A | 1.19% | 978K | $165.2M | +70,104 (+7.7%) | August 31, 2026 |
| 10 | Vanguard Information Technology ETF | 1.12% | 922K | $155.7M | +2,122 (+0.2%) | September 30, 2026 |
| 11 | MFS Mid Cap Value A | 1.04% | 853K | $144.0M | −10,004 (−1.2%) | August 31, 2026 |
| 12 | Baron Asset Retail | 1.03% | 845K | $142.7M | −17,500 (−2.0%) | September 30, 2026 |
| 13 | Principal MidCap R5 | 0.96% | 790K | $133.4M | — | September 30, 2026 |
| 14 | Baron Small Cap Retail | 0.85% | 700K | $118.2M | — | September 30, 2026 |
| 15 | Baron Generational Growth Retail | 0.82% | 669K | $112.9M | −81,487 (−10.9%) | September 30, 2026 |
| 16 | T. Rowe Price Mid-Cap Growth | 0.78% | 640K | $108.1M | — | September 30, 2026 |
| 17 | State Street® SPDR® S&P MIDCAP 400® ETF | 0.75% | 616K | $103.9M | −3,520 (−0.6%) | September 30, 2026 |
| 18 | BNP Paribas Disrpt Tech Cl D | 0.63% | 518K | $87.5M | +517,985 (0.0%) | August 31, 2026 |
| 19 | iShares S&P Mid-Cap 400 Growth ETF | 0.59% | 481K | $81.1M | −512 (−0.1%) | September 30, 2026 |
| 20 | State Street SPDR Port S&P 400 Md CpETF | 0.54% | 440K | $74.3M | −616 (−0.1%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
GWRE insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-20 | Michael George Rosenbaum | Sell | $139.75 | 1,200 | $167,700 |
| 2026-04-13 | Michael George Rosenbaum | Sell | $118.77 | 1,200 | $142,524 |
| 2026-04-06 | Michael George Rosenbaum | Sell | $151.14 | 1,200 | $181,368 |
| 2026-03-23 | Michael George Rosenbaum | Sell | $155.56 | 1,200 | $186,672 |
| 2026-03-17 | David Franklin Peterson | Sell | $163.86 | 273 | $44,734 |
| 2026-03-17 | James Winston King | Sell | $163.86 | 1,001 | $164,024 |
| 2026-03-17 | Jeffrey Elliott Cooper | Sell | $163.86 | 1,935 | $317,069 |
| 2026-03-17 | John P Mullen | Sell | $163.86 | 6,576 | $1.1M |
| 2026-03-17 | Michael George Rosenbaum | Sell | $163.86 | 4,737 | $776,205 |
| 2026-03-16 | Michael George Rosenbaum | Sell | $160.00 | 1,200 | $192,000 |
| 2026-03-13 | Jeffrey Elliott Cooper | Sell | $158.72 | 4,757 | $755,031 |
| 2026-03-09 | Michael George Rosenbaum | Sell | $166.34 | 1,200 | $199,608 |
| 2026-02-23 | Michael George Rosenbaum | Sell | $125.50 | 1,200 | $150,600 |
| 2026-02-17 | Michael George Rosenbaum | Sell | $127.00 | 1,200 | $152,400 |
| 2026-02-02 | Michael George Rosenbaum | Sell | $140.01 | 1,200 | $168,012 |
| 2026-01-26 | Michael George Rosenbaum | Sell | $160.32 | 1,200 | $192,384 |
| 2026-01-20 | Michael George Rosenbaum | Sell | $156.26 | 1,200 | $187,512 |
| 2026-01-13 | Jeffrey Elliott Cooper | Sell | $180.87 | 216 | $39,068 |
| 2026-01-13 | Michael George Rosenbaum | Sell | $180.87 | 1,200 | $217,044 |
| 2025-12-29 | Michael George Rosenbaum | Sell | $204.95 | 1,400 | $286,930 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
GWRE shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns GWRE
Institutional investors own 105.7% of Guidewire Software's shares and insiders 0.64%. The largest holder is BAMCO Inc with 10.97% of the shares (9.0M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 8 reduced their stake in the latest filings. Short interest is 3.96% of the float, or 1.78 days of average trading volume. The share count rose 24.7% since 2014.
Related: GWRE analyst forecast, GWRE key metrics. See the GWRE stock overview for the latest quote and news.
GWRE ownership FAQ
Who owns the most Guidewire Software stock?
The largest shareholders of Guidewire Software are BAMCO Inc (10.97%), BlackRock Inc (10.87%), Linonia Partnership LP (8.46%), Vanguard Portfolio Management, LLC (5.50%), Vanguard Capital Management, LLC (4.69%).
What percentage of Guidewire Software is owned by institutions?
Institutions hold 105.7% of Guidewire Software's shares outstanding; insiders hold 0.64%.
Which funds own Guidewire Software?
The largest fund holders of Guidewire Software are Baron Partners Retail (3.99%), iShares Core S&P Mid-Cap ETF (3.62%), Vanguard MStar Total Stk Mkt Idx Invest (3.28%), Vanguard Small Cap Index (2.29%), Vanguard Explorer Inv (1.54%).
What is Guidewire Software's short interest?
2.9M shares of Guidewire Software were sold short, 3.96% of the float; at the average daily volume it would take 1.78 days to cover.
Are insiders buying or selling Guidewire Software?
Of the latest 20 reported insider transactions in Guidewire Software (since December 29, 2025), 0 were purchases and 20 were sales.
How many shares of Guidewire Software are outstanding?
Guidewire Software has 82.0M shares outstanding, of which 74.3M are in the public float.