Guidewire Software Ownership | Who Owns Guidewire Software?

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Guidewire Software Ownership Summary

Guidewire Software is owned by 101.98% institutional investors, 0.35% insiders. Tudor investment corp et al is the largest institutional shareholder, holding 65.30% of GWRE shares. Baron Partners Retail is the top mutual fund, with 3.99% of its assets in Guidewire Software shares.

GWRE Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Guidewire Software	101.98%	0.35%	-2.33%
Sector	Technology Stocks	77.97%	14.97%	7.06%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Tudor investment corp et al	54.75M	65.30%	$63.76M
Bamco inc /ny/	8.99M	10.63%	$1.11B
Vanguard group	8.95M	10.56%	$1.80B
Blackrock funding, inc. /de	8.91M	10.53%	$1.10B
Linonia partnership lp	6.93M	8.19%	$853.17M
Blackrock	4.53M	5.49%	$624.55M
Vanguard capital management	3.85M	4.54%	$473.18M
Darsana capital partners lp	3.80M	4.49%	$468.08M
State street	2.68M	3.17%	$329.96M
Jpmorgan chase	2.25M	2.66%	$272.33M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Oberndorf william e	72.00K	16.10%	$8.86M
Linonia partnership lp	6.93M	15.24%	$853.17M
Teca partners, lp	133.69K	14.14%	$16.45M
Anabranch capital management, lp	129.70K	12.19%	$15.96M
Greenstone partners	404.58K	11.51%	$49.78M
Route one investment company	1.85M	9.14%	$227.56M
Brx global lp	53.60K	8.05%	$6.60M
Oakcliff capital partners, lp	158.68K	7.27%	$19.53M
Greenstone partners	125.96K	5.29%	$28.95M
Rgm capital	457.46K	4.43%	$105.15M

Top Buyers

Holder	Shares	% Assets	Change
Tudor investment corp et al	54.75M	0.11%	54.75M
Bamco inc /ny/	8.99M	1.66%	2.40M
Jpmorgan chase	2.25M	0.02%	1.39M
Van eck associates	1.22M	0.09%	1.22M
Stockbridge partners	759.83K	1.97%	623.39K

Top Sellers

Holder	Shares	% Assets	Change
Royal bank of canada	192.27K	0.00%	-1.84M
Curated wealth partners	-	-	-1.12M
Capital world investors	-	-	-1.01M
Whale rock capital management	-	-	-972.74K
Massachusetts financial services co /ma/	2.03M	0.08%	-966.43K

New Positions

Holder	Shares	% Assets	Change	Value
Tudor investment corp et al	54.75M	0.11%	54.75M	$63.76M
Van eck associates	1.22M	0.09%	1.22M	$149.61M
Sixth street partners management company	604.87K	0.01%	604.87K	$74.43M
Ardmore road asset management lp	550.00K	3.97%	550.00K	$67.68M
Norges bank	150.91K	0.00%	150.91K	$18.57M

Sold Out

Holder	Change
Psi advisors	-1.00
Abound wealth management	-1.00
Davis capital management	-1.00
Dinuzzo private wealth	-1.00
Private wealth asset management	-1.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	572	-7.14%	86,306,584	0.95%	101	1.00%	247	-28.61%	234	21.24%
Mar 31, 2026	337	-50.80%	22,434,667	-72.96%	26	0.28%	189	-35.27%	100	-65.03%
Dec 31, 2025	471	-33.76%	46,557,590	-44.85%	54	0.54%	189	-46.15%	197	-16.17%
Sep 30, 2025	481	-29.78%	51,363,044	-37.05%	61	0.65%	239	-33.43%	160	-32.77%
Jun 30, 2025	689	12.95%	84,485,486	-22.18%	100	0.60%	363	13.79%	237	14.49%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Baron Partners Retail	3.28M	3.99%	-237.29K
iShares Core S&P Mid-Cap ETF	2.97M	3.62%	-1.06K
Vanguard MStar Total Stk Mkt Idx Invest	2.69M	3.28%	-3.13K
Vanguard Morn Total Stk Mkt Idx Investor	2.69M	3.23%	-19.66K
Vanguard Total Stock Mkt Idx Inv	2.69M	3.23%	-19.66K
Vanguard US Total Market Shares ETF	2.63M	3.14%	1.93K
Vanguard Small Cap Index	1.95M	2.38%	2.00K
Baron Focused Growth Strategy	1.33M	1.60%	434.53K
Vanguard Explorer Inv	1.26M	1.52%	-31.49K
Vanguard MStar Small Cap Growth Indx Inv	1.12M	1.36%	-8.38K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Oct 12, 2026	Rosenbaum Michael George	Chief Executive Officer	Sell	$202.76K
Oct 09, 2026	King James Winston	Chief Admin Officer, Gen Couns	Sell	$1.54M
Oct 05, 2026	Rosenbaum Michael George	Chief Executive Officer	Sell	$183.02K
Sep 28, 2026	Rosenbaum Michael George	Chief Executive Officer	Sell	$171.18K
Sep 17, 2026	King James Winston	Chief Admin Officer, Gen Couns	Sell	$1.71M

Insider Transactions Trends

Date	Buy	Sell
2026 Q4	-	3
2026 Q3	-	29
2026 Q2	-	19
2026 Q1	-	19
2025 Q4	-	26

GWRE Ownership FAQ

Who owns the most shares of Guidewire Software?

Guidewire Software’s largest shareholders are Tudor investment corp et al (54.75M shares, 65.30%), Bamco inc /ny/ (8.99M shares, 10.63%), and Vanguard group (8.95M shares, 10.56%). Together, they hold 86.49% of Guidewire Software’s total shares outstanding.

Does Blackrock own Guidewire Software?

Yes, BlackRock owns 5.49% of Guidewire Software, totaling 4.53M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 624.55M$. In the last quarter, BlackRock increased its holdings by 147.83K shares, a 3.37% change.

Who is Guidewire Software’s biggest shareholder by percentage of total assets invested?

Oberndorf william e is Guidewire Software’s biggest shareholder by percentage of total assets invested, with 16.10% of its assets in 72K Guidewire Software shares, valued at 8.86M$.

Who is the top mutual fund holder of Guidewire Software shares?

Baron Partners Retail is the top mutual fund holder of Guidewire Software shares, with 3.99% of its total shares outstanding invested in 3.28M Guidewire Software shares.

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