BIG
PUBM icon

Brooklyn Investment Group’s PubMatic PUBM Stock Holding History

Brooklyn Investment Group’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 		$116K Sell
14,219
-12,660
-47% -$97.3K ﹤0.01% 1781
2025
Q4 		$241K Buy
+26,879
New +$234K 0.01% 1221
2025
Q3 		– Sell
-1,007
Closed -$12.5K – 2180
2025
Q2 		$12.5K Buy
+1,007
New +$10.6K ﹤0.01% 2056

Other funds holding PUBM

GHC
Graham Holdings Company Arlington, Virginia $967M AUM 15.12% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
CP
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
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $23.8B AUM 25.4% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Brooklyn Investment Group's PUBM Position: Q1 2026 in Review

Brooklyn Investment Group reduced its PubMatic (PUBM) stake by 47% in Q1 2026, selling an estimated $97.3K and leaving 14,219 shares worth $116K. The position accounts for ﹤0.01% of the portfolio, ranked #1781.

Brooklyn Investment Group first reported a position in PUBM in Q2 2025 and has held it in 3 quarters since. The position peaked at $241K in Q4 2025. 152 funds tracked by Wall St. Rank hold PUBM as of Q1 2026.

  • Brooklyn Investment Group held 14,219 shares of PubMatic worth $116K as of Q1 2026.
  • Brooklyn Investment Group sold 12,660 PubMatic shares in Q1 2026, an estimated $97.3K.
  • PubMatic made up ﹤0.01% of Brooklyn Investment Group's portfolio in Q1 2026, its #1781 holding.
  • Brooklyn Investment Group first reported a position in PubMatic in Q2 2025 and has held it in 3 quarters since.
  • Brooklyn Investment Group's PubMatic position peaked at $241K in Q4 2025.
  • 152 funds tracked by Wall St. Rank held PubMatic as of Q1 2026.

Based on Brooklyn Investment Group's 13F filing for Q1 2026, filed 29 Apr 2026.