Steve Schonfeld’s PubMatic PUBM Stock Holding History

Steve Schonfeld’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 Q1	–	Sell	-107,854	Closed	-$957K	–	2581
2025 Q4	$957K	Buy	+107,854	New	+$939K	﹤0.01%	1137
2022 Q4	–	Sell	-258,222	Closed	-$4.29M	–	2928
2022 Q3	$4.29M	Buy	+258,222	New	+$4.67M	0.04%	580
2022 Q2	–	Sell	-218,919	Closed	-$5.72M	–	2911
2022 Q1	$5.72M	Sell	218,919 -223,558	-51%	-$5.73M	0.05%	406
2021 Q4	$15.1M	Buy	442,477 +263,178	+147%	+$8.58M	0.14%	200
2021 Q3	$4.72M	Sell	179,299 -16,358	-8%	-$491K	0.05%	457
2021 Q2	$7.64M	Buy	195,657 +122,806	+169%	+$5.11M	0.08%	356
2021 Q1	$3.59M	Sell	72,851 -369,349	-84%	-$16.7M	0.04%	522
2020 Q4	$12.4M	Buy	+442,200	New	+$12.1M	0.17%	168

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

CenterBook Partners Greenwich, Connecticut $2.04B AUM 35.27% 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

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

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

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

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

Steve Schonfeld's PUBM Position: Q1 2026 in Review

Steve Schonfeld sold out of PubMatic (PUBM) in Q1 2026, closing a stake of 107,854 shares — an estimated $957K sold.

Steve Schonfeld first reported a position in PUBM in Q4 2020 and held it in 8 quarters. The position peaked at $15.1M in Q4 2021. 152 funds tracked by Wall St. Rank hold PUBM as of Q1 2026.

Steve Schonfeld reported no remaining PubMatic position as of Q1 2026 after selling out during the quarter.
Steve Schonfeld sold 107,854 PubMatic shares in Q1 2026, an estimated $957K.
Steve Schonfeld first reported a position in PubMatic in Q4 2020 and held it in 8 quarters.
Steve Schonfeld's PubMatic position peaked at $15.1M in Q4 2021.
152 funds tracked by Wall St. Rank held PubMatic as of Q1 2026.

Based on Schonfeld Strategic Advisors's 13F filing for Q1 2026, filed 15 May 2026.