GUIDEWIRE SOFTWARE INC GWRE
COM · Common Stock · CUSIP 40171V100 · ISIN US40171V1008
American software company
- SectorTechnology
- IndustryServices-Prepackaged Software
- HeadquartersSan Mateo, CA
- Founded2001
- Websiteguidewire.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($30.0m this quarter). Holder counts are more reliable. Shares outstanding: 84.7m as of 2026-02-27, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $149.61. Options: 14 managers hold calls ($75.8m notional), 15 hold puts ($35.2m).
Trends to Q1 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 372 |
| Q4 2022 | 345 |
| Q1 2023 | 351 |
| Q2 2023 | 356 |
| Q3 2023 | 354 |
| Q4 2023 | 386 |
| Q1 2024 | 406 |
| Q2 2024 | 455 |
| Q3 2024 | 502 |
| Q4 2024 | 558 |
| Q1 2025 | 596 |
| Q2 2025 | 680 |
| Q3 2025 | 690 |
| Q4 2025 | 673 |
| Q1 2026 | 598 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2024 | 237 | 188 |
| Q3 2024 | 250 | 224 |
| Q4 2024 | 296 | 217 |
| Q1 2025 | 305 | 284 |
| Q2 2025 | 359 | 289 |
| Q3 2025 | 338 | 303 |
| Q4 2025 | 266 | 377 |
| Q1 2026 | 336 | 359 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $77.4m | $54.0m | 0.70 |
| Q3 2025 | $82.2m | $49.0m | 0.60 |
| Q4 2025 | $44.5m | $59.1m | 1.33 |
| Q1 2026 | $75.8m | $35.2m | 0.46 |
Biggest buyers
| Linonia Partnership LP | Added | +2.3m |
| Darsana Capital Partners LP | Added | +1.5m |
| BAMCO INC /NY/ | Added | +1.4m |
| T. Rowe Price Investment Management, Inc. | New | +1.2m |
| PRINCIPAL FINANCIAL GROUP INC | Added | +998.0k |
| ROYAL BANK OF CANADA | Added | +759.1k |
| JANE STREET GROUP, LLC | Added | +642.4k |
| WESTFIELD CAPITAL MANAGEMENT CO LP | New | +486.6k |
| BlackRock, Inc. | Added | +442.1k |
| Assenagon Asset Management S.A. | Added | +403.4k |
Biggest sellers
| Stockbridge Partners LLC | Reduced | -1.3m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Reduced | -1.3m |
| AQR CAPITAL MANAGEMENT LLC | Reduced | -1.1m |
| Capital World Investors | Sold out | -1.0m |
| Invesco Ltd. | Reduced | -874.1k |
| SurgoCap Partners LP | Sold out | -719.6k |
| Qube Research & Technologies Ltd | Reduced | -484.8k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -385.1k |
| RGM Capital, LLC | Sold out | -367.7k |
| LORD, ABBETT & CO. LLC | Reduced | -362.5k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $14.4m96.6k shares |
| CITADEL ADVISORS LLC | Added | $12.2m81.8k shares |
| UBS Group AG | Reduced | $10.7m71.7k shares |
| JANE STREET GROUP, LLC | Added | $8.2m54.7k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $7.0m46.6k shares |
| IMC-Chicago, LLC | Added | $6.7m45.0k shares |
| Walleye Trading LLC | Added | $6.3m41.9k shares |
| Squarepoint Ops LLC | Added | $4.0m27.0k shares |
| GROUP ONE TRADING LLC | Added | $3.7m24.8k shares |
| Point72 Asset Management, L.P. | New | $1.2m7.9k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $15.6m104.4k shares |
| THOMPSON SIEGEL & WALMSLEY LLC | New | $4.8m32.0k shares |
| UBS Group AG | Reduced | $3.7m25.0k shares |
| CITADEL ADVISORS LLC | Added | $2.3m15.4k shares |
| Point72 Asset Management, L.P. | New | $1.9m12.7k shares |
| IMC-Chicago, LLC | Reduced | $1.4m9.6k shares |
| SIMPLEX TRADING, LLC | Added | $1.2m7.7k shares |
| Walleye Trading LLC | Reduced | $957.2k6.4k shares |
| Squarepoint Ops LLC | Reduced | $867.4k5.8k shares |
| JANE STREET GROUP, LLC | Added | $792.7k5.3k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BAMCO INC /NY/ 13G · institution +3.0 pts · filed 2026-07-02 | 10.8% |
| BlackRock, Inc. 13G · institution +0.4 pts · filed 2025-07-02 | 10.2% |
| Linonia Partnership LP 13G · passive investor +2.7 pts · filed 2026-05-15 | 9.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.5% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.3% |
Fell to 5% or below in the last year: MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (3.5%, 2026-05-14), VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC)
Insider purchases and sales in Q1 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2024 | 0 | — | 4 | $2.9m | $2.1m |
| Q3 2024 | 0 | — | 4 | $10.2m | $6.2m |
| Q4 2024 | 0 | — | 4 | $4.1m | $3.0m |
| Q1 2025 | 0 | — | 6 | $9.5m | $8.3m |
| Q2 2025 | 0 | — | 6 | $11.4m | $9.0m |
| Q3 2025 | 0 | — | 6 | $27.7m | $10.8m |
| Q4 2025 | 0 | — | 6 | $10.8m | $8.0m |
| Q1 2026 | 0 | — | 5 | $5.3m | $2.2m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-03-30 | Rosenbaum Michael George Chief Executive Officer, director | Sold plan | $174.9k1.2k shares |
| 2026-03-23 | Rosenbaum Michael George Chief Executive Officer, director | Sold plan | $186.7k1.2k shares |
| 2026-03-17 | Mullen John P President | Sold | $1.1m6.6k shares |
| 2026-03-17 | Rosenbaum Michael George Chief Executive Officer, director | Sold | $776.2k4.7k shares |
| 2026-03-17 | Cooper Jeffrey Elliott Chief Financial Officer | Sold | $317.1k1.9k shares |
| 2026-03-17 | King James Winston Chief Admin Officer, Gen Couns | Sold | $164.0k1.0k shares |
| 2026-03-17 | Peterson David Franklin Chief Accounting Officer | Sold | $44.7k273 shares |
| 2026-03-16 | Rosenbaum Michael George Chief Executive Officer, director | Sold plan | $192.0k1.2k shares |
| 2026-03-13 | Cooper Jeffrey Elliott Chief Financial Officer | Sold | $755.0k4.8k shares |
| 2026-03-09 | Rosenbaum Michael George Chief Executive Officer, director | Sold plan | $199.6k1.2k shares |
| 2026-03-02 | Rosenbaum Michael George Chief Executive Officer, director | Sold plan | $172.6k1.2k shares |
| 2026-02-23 | Rosenbaum Michael George Chief Executive Officer, director | Sold plan | $150.6k1.2k shares |
| 2026-02-17 | Rosenbaum Michael George Chief Executive Officer, director | Sold plan | $152.4k1.2k shares |
| 2026-02-09 | Rosenbaum Michael George Chief Executive Officer, director | Sold plan | $153.3k1.2k shares |
| 2026-02-02 | Rosenbaum Michael George Chief Executive Officer, director | Sold plan | $168.0k1.2k shares |
| 2026-01-26 | Rosenbaum Michael George Chief Executive Officer, director | Sold plan | $192.4k1.2k shares |
| 2026-01-20 | Rosenbaum Michael George Chief Executive Officer, director | Sold plan | $187.5k1.2k shares |
| 2026-01-13 | Rosenbaum Michael George Chief Executive Officer, director | Sold plan | $217.0k1.2k shares |
| 2026-01-13 | Cooper Jeffrey Elliott Chief Financial Officer | Sold plan | $39.1k216 shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.02% of their portfolio | 9.3m $1.4bn | Added +442.1k |
| Linonia Partnership LP 21.25% of their portfolio | 7.7m $1.1bn | Added +2.3m |
| BAMCO INC /NY/ 2.98% of their portfolio | 6.6m $986.7m | Added +1.4m |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.04% of their portfolio | 4.6m $687.2m | First filing |
| Darsana Capital Partners LP 12.74% of their portfolio | 4.0m $598.2m | Added +1.5m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 3.8m $574.8m | First filing |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.15% of their portfolio | 3.0m $452.2m | Reduced -1.3m |
| STATE STREET CORP 0.01% of their portfolio | 2.6m $392.0m | Added +45.4k |
| ROYAL BANK OF CANADA 0.06% of their portfolio | 2.0m $304.6m | Added +759.1k |
| Route One Investment Company, L.P. 12.11% of their portfolio | 1.8m $276.6m | Added +178.9k |
| GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 1.7m $255.6m | Reduced -69.8k |
| PRINCIPAL FINANCIAL GROUP INC 0.09% of their portfolio | 1.2m $176.5m | Added +998.0k |
| T. Rowe Price Investment Management, Inc. 0.12% of their portfolio | 1.2m $172.7m | New |
| Artisan Partners Limited Partnership 0.28% of their portfolio | 1.1m $171.3m | Added +84.3k |
| WELLINGTON MANAGEMENT GROUP LLP 0.03% of their portfolio | 1.1m $167.0m | Added +268.5k |
| BLAIR WILLIAM & CO/IL 0.42% of their portfolio | 975.3k $145.9m | Reduced -159.3k |
| JPMORGAN CHASE & CO 0.01% of their portfolio | 857.9k $124.3m | Added +186.1k |
| WASATCH ADVISORS LP 0.80% of their portfolio | 801.5k $119.9m | Added +179.9k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 750.1k $112.2m | Added +15.8k |
| JANE STREET GROUP, LLC 0.12% of their portfolio | 731.3k $109.4m | Added +642.4k |
| MORGAN STANLEY 0.01% of their portfolio | 720.1k $107.7m | Added +153.0k |
| BROWN BROTHERS HARRIMAN & CO 0.57% of their portfolio | 706.2k $105.6m | Reduced -25.4k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 695.5k $104.0m | Added +223.9k |
| Rathbones Group PLC 0.21% of their portfolio | 687.5k $102.8m | Reduced -740 |
| FRANKLIN RESOURCES INC 0.02% of their portfolio | 629.7k $94.2m | Reduced -240.5k |
| Assenagon Asset Management S.A. 0.15% of their portfolio | 628.8k $94.0m | Added +403.4k |
| DF DENT & CO INC 1.77% of their portfolio | 618.3k $92.5m | Added +165.5k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 607.7k $90.9m | Added +41.5k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.05% of their portfolio | 598.4k $89.5m | Added +177.7k |
| 1832 Asset Management L.P. 0.11% of their portfolio | 562.0k $84.0m | Added +129.9k |
| FMR LLC 0.00% of their portfolio | 547.0k $81.8m | Reduced -40.5k |
| VANGUARD FIDUCIARY TRUST CO 0.02% of their portfolio | 540.1k $80.8m | First filing |
| Stephens Investment Management Group LLC 1.08% of their portfolio | 524.8k $78.5m | Added +15.3k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 516.2k $77.2m | Added +1.0k |
| Sculptor Capital LP 0.86% of their portfolio | 510.0k $76.3m | Unchanged |
| WESTFIELD CAPITAL MANAGEMENT CO LP 0.31% of their portfolio | 486.6k $72.8m | New |
| Nuveen, LLC 0.02% of their portfolio | 481.2k $72.0m | Reduced -6.7k |
| Quantinno Capital Management LP 0.12% of their portfolio | 469.4k $70.2m | Added +398.0k |
| BROWN ADVISORY INC 0.11% of their portfolio | 433.8k $64.9m | Added +211.4k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 418.7k $62.6m | Added +185.2k |
| Hudson Way Capital Management LLC 5.94% of their portfolio | 415.6k $62.2m | Added +103.7k |
| Greenstone Partners & Co., LLC 15.31% of their portfolio | 404.3k $60.5m | Added +218.4k |
| SOMA EQUITY PARTNERS LP 4.25% of their portfolio | 385.4k $57.6m | New |
| DEUTSCHE BANK AG\ 0.02% of their portfolio | 378.0k $56.5m | Added +99.3k |
| FEDERATED HERMES, INC. 0.09% of their portfolio | 374.0k $55.9m | Reduced -109.3k |
| D. E. Shaw & Co., Inc. 0.04% of their portfolio | 374.0k $55.9m | Added +197.6k |
| JANUS HENDERSON GROUP PLC 0.03% of their portfolio | 363.6k $54.4m | Reduced -127.8k |
| Point72 Asset Management, L.P. 0.09% of their portfolio | 362.0k $54.1m | Added +18.4k |
| AustralianSuper Pty Ltd 0.27% of their portfolio | 346.8k $51.9m | New |
| Allspring Global Investments Holdings, LLC 0.09% of their portfolio | 346.0k $51.4m | Reduced -133.9k |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.17% of their portfolio | 341.5k $51.1m | Reduced -16.8k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 334.6k $50.0m | Reduced -19.8k |
| AMERICAN CAPITAL MANAGEMENT INC 2.60% of their portfolio | 324.2k $48.5m | Reduced -1.2k |
| Conestoga Capital Advisors, LLC 0.82% of their portfolio | 274.8k $41.1m | Added +15.2k |
| RHUMBLINE ADVISERS 0.04% of their portfolio | 274.0k $41.0m | Added +5.7k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 271.2k $40.6m | Added +196.1k |
| Clearbridge Investments, LLC 0.03% of their portfolio | 262.1k $39.2m | Reduced -430 |
| FRONTIER CAPITAL MANAGEMENT CO LLC 0.40% of their portfolio | 259.5k $38.8m | Added +140.0k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio | 256.3k $38.3m | Added +3.2k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 248.6k $37.2m | Reduced -48.5k |
| Sandhill Capital Partners LLC 3.11% of their portfolio | 242.0k $36.2m | Added +34.5k |
| RAYMOND JAMES FINANCIAL INC 0.01% of their portfolio | 239.9k $35.9m | Added +8.3k |
| RIVERBRIDGE PARTNERS LLC 0.84% of their portfolio | 229.5k $34.3m | Reduced -19.4k |
| SEI INVESTMENTS CO 0.03% of their portfolio | 221.1k $33.1m | Reduced -64.2k |
| AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 215.3k $31.9m | Reduced -1.1m |
| MILLENNIUM MANAGEMENT LLC 0.02% of their portfolio | 205.9k $30.8m | Reduced -385.1k |
| CONGRESS ASSET MANAGEMENT CO 0.22% of their portfolio | 202.9k $30.3m | Reduced -85.5k |
| UBS Group AG 0.01% of their portfolio | 202.4k $30.3m | Reduced -96.9k |
| MAKENA CAPITAL MANAGEMENT LLC 3.46% of their portfolio | 200.6k $30.0m | Added +61.3k |
| Fiera Capital Corp 0.10% of their portfolio | 192.3k $28.8m | Reduced -66.3k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 179.4k $26.8m | Added +7.1k |
| BNP PARIBAS FINANCIAL MARKETS 0.02% of their portfolio | 178.6k $26.7m | Reduced -154.3k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.04% of their portfolio | 178.4k $26.7m | Added +35.4k |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.02% of their portfolio | 174.0k $26.0m | Added +173.1k |
| Swiss National Bank 0.01% of their portfolio | 168.2k $25.2m | Added +1.4k |
| Thrivent Financial for Lutherans 0.05% of their portfolio | 160.4k $24.0m | Added +37.2k |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.86% of their portfolio | 153.4k $22.9m | New |
| Gavilan Investment Partners LLC 6.01% of their portfolio | 149.5k $22.4m | Added +34.5k |
| Driehaus Capital Management LLC 0.16% of their portfolio | 148.7k $22.2m | Added +105.4k |
| PARNASSUS INVESTMENTS, LLC 0.06% of their portfolio | 147.3k $22.0m | Added +47.8k |
| Invesco Ltd. 0.00% of their portfolio | 145.6k $21.8m | Reduced -874.1k |
| Oakcliff Capital Partners, LP 9.51% of their portfolio | 144.2k $21.6m | Added +61.0k |
| Stockbridge Partners LLC 0.49% of their portfolio | 136.4k $20.4m | Reduced -1.3m |
| BROWN CAPITAL MANAGEMENT LLC 2.78% of their portfolio | 131.0k $19.6m | Reduced -52.7k |
| Anabranch Capital Management, LP 16.88% of their portfolio | 129.7k $19.4m | Added +5.1k |
| EDMOND DE ROTHSCHILD HOLDING S.A. 0.28% of their portfolio | 129.5k $19.4m | Added +50.2k |
| BESSEMER GROUP INC 0.03% of their portfolio | 125.9k $18.8m | Added +32.7k |
| Legal & General Group Plc 0.00% of their portfolio | 119.4k $17.9m | Reduced -17.8k |
| Balyasny Asset Management L.P. 0.03% of their portfolio | 118.9k $17.8m | Added +37.6k |
| Gotham Asset Management, LLC 0.05% of their portfolio | 118.6k $17.7m | Added +87.9k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 117.8k $17.6m | Reduced -11.6k |
| Ranger Investment Management, L.P. 1.24% of their portfolio | 114.7k $17.2m | Reduced -4.9k |
| BANK OF MONTREAL /CAN/ 0.01% of their portfolio | 111.8k $16.7m | Reduced -9.1k |
| California Public Employees Retirement System 0.01% of their portfolio | 110.6k $16.5m | Reduced -39.8k |
| ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio | 108.0k $21.7m | Reduced -340.4k |
| Retirement Systems of Alabama 0.05% of their portfolio | 104.2k $15.6m | Added +2.2k |
| LORD, ABBETT & CO. LLC 0.05% of their portfolio | 103.0k $15.4m | Reduced -362.5k |
| NOMURA HOLDINGS INC 0.13% of their portfolio | 101.4k $15.2m | Reduced -17.1k |
| BARCLAYS PLC 0.01% of their portfolio | 99.9k $14.9m | Reduced -42.0k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio | 98.2k $14.7m | Added +18.0k |