Guidewire Software, Inc. - Common Stock, $0.0001 par value (GWRE)

CUSIP: 40171V100

Q3 2026 13F Holders as of 30 Sep 2026

Holder snapshot 6 signals
Share change
-134,113
SEC-reported price per share
$142.58
Number of holders
98
Value change
-$19,167,988
Number of buys
43
Number of sells
41
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
83,218,731

Security key

40171V100

Report period

Q3 2026

Institutions

98

Top holders

10

Ownership snapshot

Top reported holders of GWRE - Guidewire Software, Inc. - Common Stock, $0.0001 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BAMCO INC /NY/
Disclosed value leader
BlackRock, Inc.
Comparable rows
6/15
Latest evidence
30 Jun 2026
13D/G 13F Lead comparable stake: 11% 9 rows are not safely comparable across share classes. 13D/G row: BAMCO INC /NY/ Showing 1-6 of 15 holder rows.

Quick read

BAMCO INC /NY/ leads the comparable SEC ownership view at 11%.

6 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BAMCO INC /NY/'s linked filing trail.
Comparable ownership Top 5
BAMCO INC /NY/ 11%
BlackRock, Inc. 10%
Linonia Partnership LP 9%
VANGUARD PORTFOLIO MANAGEMENT LLC 5.4%
VANGUARD CAPITAL MANAGEMENT LLC 5.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BAMCO INC /NY/
13D/G 13F
Baron Capital Group, Inc. · Company
11%
Reported 13D/G · 30 Jun 2026
$1,143,135,769
8,987,623 shares
+$304,811,980 30 Jun 2026
BlackRock, Inc.
13D/G 13F
Company
10%
Reported 13D/G · 30 Jun 2025
$2,156,068,191
8,602,251 shares
+$102,644,850 30 Jun 2025
Linonia Partnership LP
13D/G 13F
Linonia Partners Fund LP · Company
9%
Reported 13D/G · 31 Mar 2026
$902,450,784
7,651,130 shares
+$269,917,016 31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
13D/G 13F
Vanguard Portfolio Management · Company
5.4%
Reported 13D/G · 31 Mar 2026
$690,498,928
4,616,869 shares
$0 31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC
13D/G 13F
Vanguard Capital Management · Company
5.3%
Reported 13D/G · 31 Mar 2026
$671,908,470
4,492,568 shares
$0 31 Mar 2026
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13D/G 13F
Massachusetts Financial Services Company · Company
3.5%
Reported 13D/G · 31 Mar 2026
$353,299,999
2,995,337 shares
-$170,031,294 31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
98
Shares
2,004,159
Rows available
98
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders
549
Q3 2026 holders
98
Holder diff
-451
Investor Q2 2026 Shares Q3 2026 Shares Share Diff Share Chg % Q2 2026 value Q3 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .