DOSSIER · 13F Holders · Q1 2026Technology · Services-Prepackaged Software
GWRE

GUIDEWIRE SOFTWARE INC

632 institutions still hold GUIDEWIRE SOFTWARE INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 40171V100·Services-Prepackaged Software·632 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$8.5B
visible holders
Holders
632
filers reporting
Concentration
16.32%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

632 institutions reported GWRE in Q1 2026. BlackRock, Inc. leads at 16.3% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$1.4B9.3M0.02%Q1 2026
02
Linonia Partnership LP
CIK 0001985479
$1.1B7.7M21.25%Q1 2026
03
BAMCO INC /NY/
CIK 0001017918
$987M6.6M2.98%Q1 2026
04
Vanguard Portfolio Management
CIK 0002100121· Index
$687M4.6M0.04%Q1 2026
05
Darsana Capital Partners LP
CIK 0001609098
$598M4.0M12.74%Q1 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$575M3.8M0.01%Q1 2026
07
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 0000912938
$452M3.0M0.15%Q1 2026
08
STATE STREET CORP
CIK 0000093751
$392M2.6M0.01%Q1 2026
09
ROYAL BANK OF CANADA
CIK 0001000275
$305M2.0M0.05%Q1 2026
10
Stockbridge Partners LLC
CIK 0001505183
$291M1.4M6.39%Q4 2025
11
Route One Investment Company, L.P.
CIK 0001512171
$277M1.8M11.77%Q1 2026
12
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$256M1.7M0.02%Q1 2026
13
PRINCIPAL FINANCIAL GROUP INC
CIK 0001126328
$177M1.2M0.09%Q1 2026
14
T. Rowe Price Investment Management, Inc.
CIK 0001897612
$173M1.2M0.12%Q1 2026
15
Artisan Partners Limited Partnership
CIK 0001466153
$171M1.1M0.27%Q1 2026
16
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$167M1.1M0.03%Q1 2026
17
BLAIR WILLIAM & CO/IL
CIK 0000902367
$146M975K0.42%Q1 2026
18
JPMORGAN CHASE & CO
CIK 0000019617
$124M858K0.01%Q1 2026
19
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$118M791K0.02%Q1 2026
20
NORTHERN TRUST CORP
CIK 0000073124· Index
$112M750K0.01%Q1 2026
Page 1 of 32
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Insiders at GUIDEWIRE SOFTWARE INC
Rosenbaum Michael GeorgeKing James WinstonCooper Jeffrey ElliottMullen John PPeterson David FranklinRamanathan RajaniBauer David SDillon Margaret