Graham Holdings Company’s PubMatic PUBM Stock Holding History

Graham Holdings Company’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	$44.6M	Hold	3,398,904	–	–	4.12%	5
2026 Q1	$27.8M	Buy	3,398,904 +567,442	+20%	+$4.36M	2.88%	5
2025 Q4	$25.1M	Hold	2,831,462	–	–	2.32%	5
2025 Q3	$23.4M	Hold	2,831,462	–	–	2.35%	6
2025 Q2	$35.2M	Hold	2,831,462	–	–	3.96%	5
2025 Q1	$25.9M	Buy	2,831,462 +500,000	+21%	+$6.59M	2.87%	5
2024 Q4	$34.2M	Hold	2,331,462	–	–	4.02%	5
2024 Q3	$34.7M	Buy	2,331,462 +358,148	+18%	+$6.22M	4.2%	5
2024 Q2	$40.1M	Hold	1,973,314	–	–	4.93%	5
2024 Q1	$46.8M	Hold	1,973,314	–	–	5.89%	5
2023 Q4	$32.2M	Hold	1,973,314	–	–	4.66%	5
2023 Q3	$23.9M	Hold	1,973,314	–	–	3.59%	5
2023 Q2	$36.1M	Hold	1,973,314	–	–	5.56%	5
2023 Q1	$27.3M	Buy	1,973,314 +346,503	+21%	+$5M	4.52%	5
2022 Q4	$20.8M	Buy	1,626,811 +545,000	+50%	+$8.54M	3.42%	5
2022 Q3	$18M	Buy	1,081,811 +229,916	+27%	+$4.16M	3.01%	6
2022 Q2	$13.5M	Buy	+851,895	New	+$18.2M	2.09%	6

Other funds holding PUBM

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

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Graham Holdings Company's PUBM Position: Q2 2026 in Review

Graham Holdings Company held its PubMatic (PUBM) position steady in Q2 2026 at 3,398,904 shares worth $44.6M. The position accounts for 4.12% of the portfolio, ranked #5.

Graham Holdings Company first reported a position in PUBM in Q2 2022 and has held it in 17 quarters since. The position peaked at $46.8M in Q1 2024. 152 funds tracked by Wall St. Rank hold PUBM as of Q2 2026.

Graham Holdings Company held 3,398,904 shares of PubMatic worth $44.6M as of Q2 2026.
Graham Holdings Company left its PubMatic share count unchanged in Q2 2026.
PubMatic made up 4.12% of Graham Holdings Company's portfolio in Q2 2026, its #5 holding.
Graham Holdings Company first reported a position in PubMatic in Q2 2022 and has held it in 17 quarters since.
Graham Holdings Company's PubMatic position peaked at $46.8M in Q1 2024.
152 funds tracked by Wall St. Rank held PubMatic as of Q2 2026.

Based on Graham Holdings Company's 13F filing for Q2 2026, filed 14 Aug 2026.