GUIDEWIRE SOFTWARE INC (GWRE) Institutional Shareholders
GUIDEWIRE SOFTWARE INC (GWRE) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $10.24B in GWRE holdings during the latest filing period.
Bamco Inc is currently the largest disclosed institutional shareholder of GWRE tracked by InsiderSet, reporting ownership valued at approximately $1.11B in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $1.30B, representing an estimated gain of +17.26% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed GWRE value among the investors covered in this analysis. Major shareholders include Bamco Inc, Blackrock, Inc., Linonia Partnership Lp, and several other long-term asset managers with concentrated positions in GUIDEWIRE SOFTWARE INC (GWRE).
This page ranks the largest institutional GWRE shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
532
Total Reported Value
$10.24B
Largest Holder
Bamco Inc
Largest Position
$1.11B
Insider Transactions (90d)
26
Latest Filing Quarter
Q2 2026
New Institutional Positions
47
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Bamco Inc | 1.66% | 8,994,456 | $1,106,767,811 | $1,297,810,056 | +$191,042,245 | +17.26% | |
| Blackrock, Inc. | 0.02% | 8,909,665 | $1,096,334,356 | $1,285,575,563 | +$189,241,207 | +17.26% | |
| Linonia Partnership Lp | 15.24% | 6,933,483 | $853,165,083 | $1,000,432,262 | +$147,267,179 | +17.26% | |
| Vanguard Portfolio Management Llc | 0.02% | 4,507,288 | $554,621,788 | $650,356,586 | +$95,734,798 | +17.26% | |
| Vanguard Capital Management Llc | 0.01% | 3,845,465 | $473,184,468 | $554,862,145 | +$81,677,677 | +17.26% | |
| Darsana Capital Partners Lp | 2.10% | 3,804,000 | $468,082,200 | $548,879,160 | +$80,796,960 | +17.26% | |
| State Street Corp | 0.01% | 2,681,587 | $329,960,597 | $386,926,188 | +$56,965,591 | +17.26% | |
| Jpmorgan Chase & Co | 0.02% | 2,249,339 | $272,333,677 | $324,557,124 | +$52,223,447 | +19.18% | |
| Massachusetts Financial Services Co | 0.08% | 2,028,908 | $249,648,807 | $292,751,135 | +$43,102,328 | +17.27% | |
| Route One Investment Company, L.P. | 9.42% | 1,849,364 | $227,564,240 | $266,844,732 | +$39,280,492 | +17.26% | |
| Geode Capital Management, Llc | 0.01% | 1,635,297 | $201,272,750 | $235,957,004 | +$34,684,254 | +17.23% | |
| Principal Financial Group Inc | 0.08% | 1,249,192 | $153,717,020 | $180,245,914 | +$26,528,894 | +17.26% | |
| Van Eck Associates Corp | 0.09% | 1,215,855 | $149,610,958 | $175,435,718 | +$25,824,760 | +17.26% | |
| T. Rowe Price Investment Management, Inc. | 0.10% | 1,198,824 | $147,516,000 | $172,978,315 | +$25,462,315 | +17.26% | |
| Artisan Partners Limited Partnership | 0.19% | 970,325 | $119,398,528 | $140,008,194 | +$20,609,666 | +17.26% | |
| Wasatch Advisors Lp | 0.70% | 867,117 | $106,698,747 | $125,116,312 | +$18,417,565 | +17.26% | |
| Westfield Capital Management Co Lp | 0.34% | 839,337 | $103,280,418 | $121,107,936 | +$17,827,518 | +17.26% | |
| Jane Street Group, Llc | 0.07% | 834,841 | $102,727,185 | $120,459,208 | +$17,732,023 | +17.26% | |
| Wellington Management Group Llp | 0.02% | 776,446 | $95,541,680 | $112,033,393 | +$16,491,713 | +17.26% | |
| Stockbridge Partners Llc | 1.97% | 759,827 | $93,496,712 | $109,635,438 | +$16,138,726 | +17.26% | |
| Northern Trust Corp | 0.01% | 726,559 | $89,403,085 | $104,835,198 | +$15,432,113 | +17.26% | |
| Blair William & Co/Il | 0.23% | 726,387 | $89,381,920 | $104,810,380 | +$15,428,460 | +17.26% | |
| Bank Of America Corp | 0.01% | 696,536 | $85,708,779 | $100,503,179 | +$14,794,400 | +17.26% | |
| Arrowstreet Capital, Limited Partnership | 0.04% | 663,050 | $81,588,303 | $95,671,485 | +$14,083,182 | +17.26% | |
| Brown Brothers Harriman & Co | 0.36% | 658,636 | $81,045,160 | $95,034,588 | +$13,989,428 | +17.26% | |
| William Blair Investment Management, Llc | 0.23% | 609,420 | $74,989,131 | $87,933,212 | +$12,944,081 | +17.26% | |
| Charles Schwab Investment Management Inc | 0.01% | 604,873 | $74,429,622 | $87,277,125 | +$12,847,503 | +17.26% | |
| Parnassus Endeavor Fund | Parnassus Investments | 0.20% | 594,883 | $73,200,353 | $85,835,668 | +$12,635,315 | +17.26% |
| Stephens Investment Management Group Llc | 0.78% | 593,454 | $73,024,515 | $85,629,478 | +$12,604,963 | +17.26% | |
| 1832 Asset Management L.P. | 0.08% | 554,286 | $68,204,892 | $79,977,927 | +$11,773,035 | +17.26% | |
| Ardmore Road Asset Management Lp | 3.97% | 550,000 | $67,677,500 | $79,359,500 | +$11,682,000 | +17.26% | |
| Vanguard Fiduciary Trust Co | 0.01% | 542,329 | $66,733,583 | $78,252,651 | +$11,519,068 | +17.26% | |
| Bank Of New York Mellon Corp | 0.01% | 533,133 | $65,602,060 | $76,925,761 | +$11,323,701 | +17.26% | |
| Dimensional Fund Advisors Lp | 0.01% | 493,769 | $60,751,292 | $71,245,929 | +$10,494,637 | +17.27% | |
| Morgan Stanley | 0.00% | 493,637 | $60,742,449 | $71,226,883 | +$10,484,434 | +17.26% | |
| Thrivent Financial For Lutherans | 0.09% | 449,647 | $55,329,000 | $64,879,566 | +$9,550,566 | +17.26% | |
| Sculptor Capital Lp | 0.57% | 446,500 | $54,941,825 | $64,425,485 | +$9,483,660 | +17.26% | |
| Janus Henderson Group Plc | 0.03% | 363,562 | $54,378,308 | $52,458,361 | -$1,919,947 | -3.53% | |
| Greenstone Partners & Co., Llc | 11.51% | 404,584 | $49,784,061 | $58,377,425 | +$8,593,364 | +17.26% | |
| Brown Advisory Inc | 0.08% | 396,198 | $48,752,201 | $57,167,409 | +$8,415,208 | +17.26% | |
| Balyasny Asset Management L.P. | 0.08% | 372,149 | $45,792,935 | $53,697,379 | +$7,904,444 | +17.26% | |
| Goldman Sachs Group Inc | 0.00% | 363,864 | $44,773,434 | $52,501,937 | +$7,728,503 | +17.26% | |
| Ubs Group Ag | 0.01% | 357,511 | $43,991,729 | $51,585,262 | +$7,593,533 | +17.26% | |
| D. E. Shaw & Co., Inc. | 0.03% | 350,829 | $43,169,508 | $50,621,116 | +$7,451,608 | +17.26% | |
| Rathbones Group Plc | 0.16% | 343,252 | $42,237,158 | $49,527,831 | +$7,290,673 | +17.26% | |
| Nuveen, Llc | 0.01% | 341,881 | $42,068,458 | $49,330,009 | +$7,261,551 | +17.26% | |
| Deutsche Bank Ag\ | 0.01% | 338,477 | $41,649,597 | $48,838,846 | +$7,189,249 | +17.26% | |
| Hudson Way Capital Management Llc | 3.66% | 333,982 | $41,096,485 | $48,190,263 | +$7,093,778 | +17.26% | |
| American Capital Management Inc | 1.82% | 328,983 | $40,481,358 | $47,468,957 | +$6,987,599 | +17.26% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.01% | 256,266 | $38,327,142 | $36,976,621 | -$1,350,521 | -3.52% |
Frequently asked questions about GWRE
Who owns the most GWRE stock?
The largest holders of GWRE are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for GUIDEWIRE SOFTWARE INC (GWRE).
Is GWRE widely held by superinvestors?
Many widely followed stocks like GWRE appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly GWRE is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.