13F Insight
DOSSIER · 13F Holders · Q1 2026Technology · Services-Prepackaged SoftwareMega-capCrowded
GWRE

GUIDEWIRE SOFTWARE INC

634 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·634 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 2.8%
vs prior quarter
13F value held
$8.5B
69.0% inst. owned
of float
Holders
634
+88 QoQ
filers reporting
Activity
+26 / −67
+924 added · −901 reduced
this quarter
Concentration
16.43%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

634 institutions reported GWRE in Q1 2026. BlackRock, Inc. leads at 16.4% of the visible book. +88 net new institutions vs prior quarter — accumulation reading.

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 202602
Linonia Partnership LP
CIK 0001985479
$1.1B7.7M21.25%Q1 202603
BAMCO INC /NY/
CIK 0001017918
$987M6.6M2.98%Q1 202604
Vanguard Portfolio Management
CIK 0002100121
$687M4.6M0.04%Q1 202605
Darsana Capital Partners LP
CIK 0001609098
$598M4.0M12.74%Q1 202606
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$575M3.8M0.01%Q1 202607
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 0000912938
$452M3.0M0.15%Q1 202608
STATE STREET CORP
CIK 0000093751
$392M2.6M0.01%Q1 202609
ROYAL BANK OF CANADA
CIK 0001000275
$305M2.0M0.05%Q1 202610
Stockbridge Partners LLC
CIK 0001505183
$291M1.4M6.39%Q4 202511
Route One Investment Company, L.P.
CIK 0001512171
$277M1.8M11.77%Q1 202612
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$256M1.7M0.02%Q1 202613
PRINCIPAL FINANCIAL GROUP INC
CIK 0001126328
$177M1.2M0.09%Q1 202614
Artisan Partners Limited Partnership
CIK 0001466153
$171M1.1M0.27%Q1 202615
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$167M1.1M0.03%Q1 202616
BLAIR WILLIAM & CO/IL
CIK 0000902367
$146M975K0.42%Q1 202617
JPMORGAN CHASE & CO
CIK 0000019617
$124M858K0.01%Q1 202618
WASATCH ADVISORS LP
CIK 0000814133
$120M801K0.80%Q1 202619
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$118M791K0.02%Q1 202620
NORTHERN TRUST CORP
CIK 0000073124· Index
$112M750K0.01%Q1 2026
Page 1 of 32
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