Mariner’s PubMatic PUBM Stock Holding History

Mariner’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	$198K	Buy	+15,109	New	+$157K	﹤0.01%	3156

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

Mariner's PUBM Position: Q2 2026 in Review

Mariner opened a new position in PubMatic (PUBM) in Q2 2026: 15,109 shares worth $198K. The stake represents ﹤0.01% of the portfolio and ranks #3156 among its holdings.

153 funds tracked by Wall St. Rank hold PUBM as of Q2 2026.

Mariner held 15,109 shares of PubMatic worth $198K as of Q2 2026.
PubMatic was a new Mariner position in Q2 2026.
PubMatic made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #3156 holding.
153 funds tracked by Wall St. Rank held PubMatic as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.