SEI Investments’s PubMatic PUBM Stock Holding History

SEI Investments’s Portfolio PUBM Stock Details PUBM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$223K	Buy	16,977 +1,204	+8%	+$12.5K	﹤0.01%	3003
2026 Q1	$129K	Buy	+15,773	New	+$121K	﹤0.01%	3050
2025 Q2	–	Sell	-41,230	Closed	-$377K	–	2889
2025 Q1	$377K	Buy	+41,230	New	+$544K	﹤0.01%	2248
2024 Q4	–	Sell	-91,053	Closed	-$1.35M	–	2779
2024 Q3	$1.35M	Buy	91,053 +20,924	+30%	+$363K	﹤0.01%	1847
2024 Q2	$1.42M	Buy	70,129 +45,998	+191%	+$1.02M	﹤0.01%	1776
2024 Q1	$572K	Buy	+24,131	New	+$433K	﹤0.01%	2068
2022 Q1	–	Sell	-27,400	Closed	-$933K	–	2634
2021 Q4	$933K	Buy	27,400 +4,465	+19%	+$145K	﹤0.01%	1873
2021 Q3	$604K	Sell	22,935 -2,225	-9%	-$66.8K	﹤0.01%	1985
2021 Q2	$983K	Buy	+25,160	New	+$1.05M	﹤0.01%	1824

Other funds holding PUBM

GHC

Graham Holdings Company Arlington, Virginia $1.08B AUM 28.93% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

WCM

Whitefort Capital Management New York $406M AUM 84.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

SEI Investments's PUBM Position: Q2 2026 in Review

SEI Investments increased its PubMatic (PUBM) stake by 7.6% in Q2 2026, buying an estimated $12.5K and bringing the position to 16,977 shares worth $223K. The position accounts for ﹤0.01% of the portfolio, ranked #3003.

SEI Investments first reported a position in PUBM in Q2 2021 and has held it in 9 quarters since. The position peaked at $1.42M in Q2 2024. 153 funds tracked by Wall St. Rank hold PUBM as of Q2 2026.

SEI Investments held 16,977 shares of PubMatic worth $223K as of Q2 2026.
SEI Investments bought 1,204 PubMatic shares in Q2 2026, an estimated $12.5K.
PubMatic made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #3003 holding.
SEI Investments first reported a position in PubMatic in Q2 2021 and has held it in 9 quarters since.
SEI Investments's PubMatic position peaked at $1.42M in Q2 2024.
153 funds tracked by Wall St. Rank held PubMatic as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.