IMC Chicago
PUBM icon

IMC Chicago’s PubMatic PUBM Stock Holding History

IMC Chicago’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 		$657K Buy
50,081
+13,239
+36% +$138K ﹤0.01% 4330
2026
Q1 		$301K Buy
+36,842
New +$283K ﹤0.01% 4584
2025
Q4 		– Sell
-30,356
Closed -$264K – 4366
2025
Q3 		$251K Buy
+30,356
New +$309K ﹤0.01% 3478

Other funds holding PUBM

GHC
Graham Holdings Company Arlington, Virginia $1.08B AUM 28.93% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Renaissance Technologies
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
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

IMC Chicago's PUBM Position: Q2 2026 in Review

IMC Chicago increased its PubMatic (PUBM) stake by 36% in Q2 2026, buying an estimated $138K and bringing the position to 50,081 shares worth $657K. The position accounts for ﹤0.01% of the portfolio, ranked #4330.

IMC Chicago first reported a position in PUBM in Q3 2025 and has held it in 3 quarters since. 153 funds tracked by Wall St. Rank hold PUBM as of Q2 2026.

  • IMC Chicago held 50,081 shares of PubMatic worth $657K as of Q2 2026.
  • IMC Chicago bought 13,239 PubMatic shares in Q2 2026, an estimated $138K.
  • PubMatic made up ﹤0.01% of IMC Chicago's portfolio in Q2 2026, its #4330 holding.
  • IMC Chicago first reported a position in PubMatic in Q3 2025 and has held it in 3 quarters since.
  • 153 funds tracked by Wall St. Rank held PubMatic as of Q2 2026.

Based on IMC Chicago's 13F filing for Q2 2026, filed 6 Aug 2026.