Fox Run Management’s PubMatic PUBM Stock Holding History

Fox Run Management’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	$379K	Sell	46,673 -14,788	-24%	-$114K	0.07%	553
2025 Q4	$545K	Buy	+61,461	New	+$535K	0.08%	465
2025 Q3	–	Sell	-26,668	Closed	-$332K	–	1182
2025 Q2	$332K	Buy	+26,668	New	+$281K	0.06%	614
2025 Q1	–	Sell	-27,307	Closed	-$401K	–	1162
2024 Q4	$401K	Buy	+27,307	New	+$423K	0.07%	519
2024 Q3	–	Sell	-15,358	Closed	-$312K	–	1047
2024 Q2	$312K	Sell	15,358 -6,289	-29%	-$140K	0.06%	547
2024 Q1	$513K	Buy	21,647 +6,452	+42%	+$116K	0.11%	360
2023 Q4	$248K	Buy	+15,195	New	+$220K	0.06%	565
2023 Q3	–	Sell	-14,746	Closed	-$270K	–	937
2023 Q2	$270K	Buy	+14,746	New	+$234K	0.08%	486

Other funds holding PUBM

GHC

Graham Holdings Company Arlington, Virginia $967M AUM 15.12% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

CenterBook Partners Greenwich, Connecticut $1.86B AUM 24.52% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Jacobs Levy Equity Management Florham Park, New Jersey $23.8B AUM 25.4% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Fox Run Management's PUBM Position: Q1 2026 in Review

Fox Run Management reduced its PubMatic (PUBM) stake by 24% in Q1 2026, selling an estimated $114K and leaving 46,673 shares worth $379K. The position accounts for 0.07% of the portfolio, ranked #553.

Fox Run Management first reported a position in PUBM in Q2 2023 and has held it in 8 quarters since. The position peaked at $545K in Q4 2025. 152 funds tracked by Wall St. Rank hold PUBM as of Q1 2026.

Fox Run Management held 46,673 shares of PubMatic worth $379K as of Q1 2026.
Fox Run Management sold 14,788 PubMatic shares in Q1 2026, an estimated $114K.
PubMatic made up 0.07% of Fox Run Management's portfolio in Q1 2026, its #553 holding.
Fox Run Management first reported a position in PubMatic in Q2 2023 and has held it in 8 quarters since.
Fox Run Management's PubMatic position peaked at $545K in Q4 2025.
152 funds tracked by Wall St. Rank held PubMatic as of Q1 2026.

Based on Fox Run Management's 13F filing for Q1 2026, filed 12 May 2026.