Michael Gelband’s PubMatic PUBM Stock Holding History

Michael Gelband’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	-69,654	Closed	-$618K	–	1994
2025 Q4	$618K	Buy	+69,654	New	+$607K	﹤0.01%	1138
2025 Q2	–	Sell	-90,699	Closed	-$829K	–	1887
2025 Q1	$829K	Buy	+90,699	New	+$1.2M	0.01%	961
2024 Q1	–	Sell	-11,981	Closed	-$195K	–	1875
2023 Q4	$195K	Sell	11,981 -4,415	-27%	-$64K	﹤0.01%	1284
2023 Q3	$198K	Buy	+16,396	New	+$249K	﹤0.01%	1528
2023 Q1	–	Sell	-10,414	Closed	-$133K	–	2060
2022 Q4	$133K	Buy	+10,414	New	+$163K	﹤0.01%	1501
2022 Q2	–	Sell	-143,089	Closed	-$3.74M	–	2349
2022 Q1	$3.74M	Buy	143,089 +78,006	+120%	+$2M	0.05%	496
2021 Q4	$2.22M	Buy	65,083 +45,186	+227%	+$1.47M	0.02%	719
2021 Q3	$524K	Buy	19,897 +8,540	+75%	+$256K	0.01%	1348
2021 Q2	$444K	Buy	+11,357	New	+$473K	﹤0.01%	1521

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

Michael Gelband's PUBM Position: Q1 2026 in Review

Michael Gelband sold out of PubMatic (PUBM) in Q1 2026, closing a stake of 69,654 shares — an estimated $618K sold.

Michael Gelband first reported a position in PUBM in Q2 2021 and held it in 9 quarters. The position peaked at $3.74M in Q1 2022. 152 funds tracked by Wall St. Rank hold PUBM as of Q1 2026.

Michael Gelband reported no remaining PubMatic position as of Q1 2026 after selling out during the quarter.
Michael Gelband sold 69,654 PubMatic shares in Q1 2026, an estimated $618K.
Michael Gelband first reported a position in PubMatic in Q2 2021 and held it in 9 quarters.
Michael Gelband's PubMatic position peaked at $3.74M in Q1 2022.
152 funds tracked by Wall St. Rank held PubMatic as of Q1 2026.

Based on ExodusPoint Capital Management's 13F filing for Q1 2026, filed 14 May 2026.