DOSSIER · 13F Holders · Q2 2026Technology · Services-Prepackaged Software
GWRE

GUIDEWIRE SOFTWARE INC

598 institutions still hold GUIDEWIRE SOFTWARE INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 40171V100·Services-Prepackaged Software·598 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$7.1B
visible holders
Holders
598
filers reporting
Concentration
15.62%
BAMCO INC /NY/ #1
top holder share
AI Holders Summary · Q2 2026

598 institutions reported GWRE in Q2 2026. BAMCO INC /NY/ leads at 15.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BAMCO INC /NY/
CIK 0001017918
$1.1B9.0M1.66%Q2 2026
02
BlackRock, Inc.
CIK 0002012383
$1.1B8.9M0.02%Q2 2026
03
Linonia Partnership LP
CIK 0001985479
$853M6.9M15.24%Q2 2026
04
Darsana Capital Partners LP
CIK 0001609098
$598M4.0M12.74%Q1 2026
05
Vanguard Portfolio Management
CIK 0002100121· Index
$555M4.5M0.03%Q2 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$473M3.8M0.01%Q2 2026
07
STATE STREET CORP
CIK 0000093751
$330M2.7M0.01%Q2 2026
08
JPMORGAN CHASE & CO
CIK 0000019617
$272M2.2M0.02%Q2 2026
09
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 0000912938
$250M2.0M0.08%Q2 2026
10
Route One Investment Company, L.P.
CIK 0001512171
$228M1.8M9.14%Q2 2026
11
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$201M1.6M0.01%Q2 2026
12
T. Rowe Price Investment Management, Inc.
CIK 0001897612
$173M1.2M0.12%Q1 2026
13
PRINCIPAL FINANCIAL GROUP INC
CIK 0001126328
$154M1.2M0.08%Q2 2026
14
VAN ECK ASSOCIATES CORP
CIK 0000869178
$150M1.2M0.09%Q2 2026
15
Artisan Partners Limited Partnership
CIK 0001466153
$119M970K0.19%Q2 2026
16
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$118M791K0.02%Q1 2026
17
WASATCH ADVISORS LP
CIK 0000814133
$107M867K0.70%Q2 2026
18
WESTFIELD CAPITAL MANAGEMENT CO LP
CIK 0001177719
$103M839K0.34%Q2 2026
19
JARISLOWSKY, FRASER Ltd
CIK 0001123778
$101M440K0.56%Q3 2025
20
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$96M776K0.02%Q2 2026
Page 1 of 30
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Insiders at GUIDEWIRE SOFTWARE INC
Rosenbaum Michael GeorgeVollert Karl AlexanderKing James WinstonCooper Jeffrey ElliottMullen John PPeterson David FranklinRamanathan RajaniBauer David S