PubMatic, Inc.

Historical 13F Holders

Symbol
PUBM
CUSIP
74467Q103
All holders as of
Q2 2026
Type
Equity
Class
COM CL A
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 74467Q103 since 12/18/2024, newest first.

Filer % of Class Filed
Graham Holdings Co 13G/A Amendment 2 8.9% 5/15/2026
Event 3/31/2026
Vanguard Group Inc 13G/A Amendment 5 0% 3/27/2026
Event 3/13/2026
BlackRock, Inc. 13G/A Amendment 2 7.1% 1/21/2026
Event 12/31/2025
Vanguard Group Inc 13G/A Amendment 5 6.5% 7/29/2025
Event 6/30/2025
Graham Holdings Co 13G/A Amendment 1 7.0% 5/14/2025
Event 3/31/2025
Vanguard Group Inc 13G/A Amendment 4 8.5% 4/30/2025
Event 3/31/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 14 63.0 k $1.18 M
2026 Q2 165 30.5 M $400 M
2026 Q1 161 28.8 M $236 M
2025 Q4 165 27.7 M $246 M
2025 Q3 167 28.0 M $232 M
2025 Q2 166 27.2 M $338 M
2025 Q1 171 26.1 M $239 M
2024 Q4 179 26.3 M $386 M
2024 Q3 188 25.5 M $379 M
2024 Q2 212 26.0 M $527 M
2024 Q1 202 25.1 M $591 M
2023 Q4 169 22.3 M $364 M
2023 Q3 163 20.8 M $251 M
2023 Q2 159 20.8 M $380 M
2023 Q1 167 22.1 M $304 M
2022 Q4 184 23.1 M $296 M
2022 Q3 177 22.0 M $363 M
2022 Q2 171 22.3 M $354 M
2022 Q1 160 18.7 M $489 M
2021 Q4 188 18.2 M $619 M
2021 Q3 113 9.44 M $249 M
2021 Q2 98 8.95 M $350 M
2021 Q1 64 6.01 M $306 M
2020 Q4 47 4.95 M $138 M
2020 Q3 1 30.0 $1.00 k
2020 Q2 1 30.0 $1.00 k
2020 Q1 1 30.0 $1.00 k
2019 Q4 1 30.0 $1.00 k
2019 Q3 1 30.0 $1.00 k
2019 Q2 1 30.0 $1.00 k
2019 Q1 1 30.0 $1.00 k