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 Shares Held, Excluding Options
Total Filers

13D/G Filers

Each filer's latest filing for 74467Q103 since 12/18/2024, largest first.

Filer % of Class Filed
Graham Holdings Co 13G/A 8.9% 5/15/2026
Event 3/31/2026
BlackRock, Inc. 13G/A 7.1% 1/21/2026
Event 12/31/2025
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
Vanguard Group Inc 13G/A 0% 3/27/2026
Event 3/13/2026

13F Holders by Quarter

Period Filers Shares, Excl. Options Value, Excl. Options
2026 Q3 127 24.7 M $462M
2026 Q2 154 30.5 M $400M
2026 Q1 153 28.8 M $236M
2025 Q4 153 27.6 M $245M
2025 Q3 153 27.6 M $229M
2025 Q2 152 25.9 M $322M
2025 Q1 161 26.1 M $238M
2024 Q4 164 26.3 M $386M
2024 Q3 169 25.4 M $378M
2024 Q2 197 25.5 M $519M
2024 Q1 184 24.5 M $577M
2023 Q4 151 21.9 M $358M
2023 Q3 145 20.8 M $251M
2023 Q2 144 20.8 M $379M
2023 Q1 151 22.1 M $303M
2022 Q4 165 22.2 M $284M
2022 Q3 158 21.9 M $362M
2022 Q2 157 22.3 M $354M
2022 Q1 145 17.7 M $462M
2021 Q4 167 17.9 M $608M
2021 Q3 102 9.44 M $249M
2021 Q2 91 8.95 M $350M
2021 Q1 62 6.01 M $306M
2020 Q4 46 4.93 M $138M
2020 Q3 1 30.0 $1.00k
2020 Q2 1 30.0 $1.00k
2020 Q1 1 30.0 $1.00k
2019 Q4 1 30.0 $1.00k
2019 Q3 1 30.0 $1.00k
2019 Q2 1 30.0 $1.00k
2019 Q1 1 30.0 $1.00k