Guidewire Software Ownership | Who Owns Guidewire Software?

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Guidewire Software Ownership Summary

Guidewire Software is owned by 61.26% institutional investors, 0.46% insiders, and 38.28% retail investors. Tudor investment corp et al is the largest institutional shareholder, holding 65.30% of GWRE shares. iShares Core S&P Mid-Cap ETF is the top mutual fund, with 3.23% of its assets in Guidewire Software shares.

GWRE Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Guidewire Software	61.26%	0.46%	38.28%
Sector	Technology Stocks	50.69%	12.56%	36.75%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Tudor investment corp et al	54.75M	65.30%	$63.76M
Blackrock funding, inc. /de	10.72M	12.78%	$2.46B
Vanguard group	9.04M	10.78%	$2.08B
Bamco inc /ny/	5.17M	6.16%	$1.19B
Massachusetts financial services co /ma/	4.82M	5.74%	$1.11B
Blackrock	4.53M	5.49%	$624.55M
Linonia partnership lp	4.31M	5.14%	$991.19M
State street	2.50M	2.98%	$574.61M
Darsana capital partners lp	2.00M	2.39%	$459.72M
Route one investment company	1.82M	2.17%	$417.89M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Brx global lp	169.45K	37.20%	$38.95M
Linonia partnership lp	4.31M	25.95%	$991.19M
Route one investment company	1.82M	15.47%	$417.89M
Teca partners, lp	106.16K	15.39%	$24.40M
Darsana capital partners lp	2.00M	10.83%	$459.72M
Greenstone partners	181.69K	7.19%	$30.63M
Oakcliff capital partners, lp	65.68K	6.52%	$15.10M
Gavilan investment partners	115.00K	5.91%	$26.43M
Greenstone partners	125.96K	5.29%	$28.95M
Hudson way capital management	252.99K	4.93%	$58.15M

Top Buyers

Holder	Shares	% Assets	Change
Tudor investment corp et al	54.75M	0.11%	54.75M
Linonia partnership lp	4.31M	25.95%	915.84K
Groupama asset managment	850.00K	0.02%	600.00K
Janus henderson group	555.89K	0.05%	393.44K
Susquehanna group, llp	271.39K	0.01%	270.05K

Top Sellers

Holder	Shares	% Assets	Change
Whale rock capital management	-	-	-972.74K
Wellington management group llp	916.00K	0.04%	-424.21K
Bamco inc /ny/	5.17M	3.15%	-420.67K
D1 capital partners	-	-	-313.73K
Massachusetts financial services co /ma/	4.82M	0.34%	-267.79K

New Positions

Holder	Shares	% Assets	Change	Value
Tudor investment corp et al	54.75M	0.11%	54.75M	$63.76M
Nomura	137.82K	0.03%	137.82K	$23.23M
Greenstone partners	125.96K	5.29%	125.96K	$28.95M
Norges bank	54.02K	0.00%	54.02K	$9.11M
Davidson kempner capital management lp	50.00K	0.19%	50.00K	$11.49M

Sold Out

Holder	Change
Psi advisors	-1.00
Raleigh capital management	-2.00
Colonial trust advisors	-2.00
Hhm wealth advisors	-2.00
Trust co of vermont	-2.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Mar 31, 2025	602	3.79%	108,626,422	30.01%	129	1.29%	313	-0.95%	207	20.35%
Dec 31, 2024	308	-40.08%	41,948,775	-49.38%	50	0.50%	155	-39.69%	99	-43.43%
Sep 30, 2024	508	9.25%	82,860,597	0.09%	100	1.00%	253	4.12%	174	16.78%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Mid-Cap ETF	2.73M	3.23%	-
Vanguard US Total Market Shares ETF	2.63M	3.14%	1.93K
Vanguard Total Stock Mkt Idx Inv	2.64M	3.13%	-61.49K
Vanguard Small Cap Index	2.04M	2.42%	-13.08K
MFS Mid Cap Growth Equity	2.00M	2.37%	-
MFS Mid Cap Growth A	1.95M	2.31%	-52.24K
Vanguard Explorer Inv	1.20M	1.43%	29.59K
Vanguard Small Cap Growth Index Inv	1.15M	1.36%	-2.06K
MFS Growth Equity	1.14M	1.36%	102.09K
Baron Asset Retail	1.13M	1.34%	-25.00K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Dec 01, 2025	Mullen John P	President	Sell	$640.32K
Dec 01, 2025	Rosenbaum Michael George	Chief Executive Officer	Sell	$298.82K
Nov 24, 2025	Rosenbaum Michael George	Chief Executive Officer	Sell	$298.52K
Nov 17, 2025	Rosenbaum Michael George	Chief Executive Officer	Sell	$311.56K
Nov 17, 2025	King James Winston	Chief Admin Officer, Gen Couns	Sell	$177.59K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	15
2025 Q3	-	34
2025 Q2	-	27
2025 Q1	-	33
2024 Q4	-	9

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%), Blackrock funding, inc. /de (10.72M shares, 12.78%), and Vanguard group (9.04M shares, 10.78%). Together, they hold 88.86% 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?

Brx global lp is Guidewire Software’s biggest shareholder by percentage of total assets invested, with 37.20% of its assets in 169.45K Guidewire Software shares, valued at 38.95M$.

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

iShares Core S&P Mid-Cap ETF is the top mutual fund holder of Guidewire Software shares, with 3.23% of its total shares outstanding invested in 2.73M Guidewire Software shares.

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