Steven Cohen’s PubMatic PUBM Stock Holding History

Steven Cohen’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	$1.04M	Buy	79,362 +57,059	+256%	+$593K	﹤0.01%	2809
2026 Q1	$182K	Sell	22,303 -136,611	-86%	-$1.05M	﹤0.01%	3546
2025 Q4	$1.41M	Buy	+158,914	New	+$1.38M	﹤0.01%	2690
2024 Q3	–	Sell	-8,762	Closed	-$178K	–	2269
2024 Q2	$178K	Sell	8,762 -538	-6%	-$12K	﹤0.01%	1628
2024 Q1	$221K	Buy	9,300 +5,300	+133%	+$95K	﹤0.01%	1874
2023 Q4	$65.2K	Buy	+4,000	New	+$58K	﹤0.01%	1988
2021 Q3	–	Sell	-68,397	Closed	-$2.67M	–	1200
2021 Q2	$2.67M	Buy	+68,397	New	+$2.85M	0.01%	699

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

Steven Cohen's PUBM Position: Q2 2026 in Review

Steven Cohen increased its PubMatic (PUBM) stake by 256% in Q2 2026, buying an estimated $593K and bringing the position to 79,362 shares worth $1.04M. The position accounts for ﹤0.01% of the portfolio, ranked #2809.

Steven Cohen first reported a position in PUBM in Q2 2021 and has held it in 7 quarters since. The position peaked at $2.67M in Q2 2021. 152 funds tracked by Wall St. Rank hold PUBM as of Q2 2026.

Steven Cohen held 79,362 shares of PubMatic worth $1.04M as of Q2 2026.
Steven Cohen bought 57,059 PubMatic shares in Q2 2026, an estimated $593K.
PubMatic made up ﹤0.01% of Steven Cohen's portfolio in Q2 2026, its #2809 holding.
Steven Cohen first reported a position in PubMatic in Q2 2021 and has held it in 7 quarters since.
Steven Cohen's PubMatic position peaked at $2.67M in Q2 2021.
152 funds tracked by Wall St. Rank held PubMatic as of Q2 2026.

Based on Point72 Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.