GI
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GAMMA Investing’s PubMatic PUBM Stock Holding History

GAMMA Investing’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 		$57.3K Sell
4,364
-42
-1% -$436 ﹤0.01% 2214
2026
Q1 		$36K Buy
4,406
+3,300
+298% +$25.4K ﹤0.01% 2398
2025
Q4 		$9.81K Buy
1,106
+642
+138% +$5.59K ﹤0.01% 2988
2025
Q3 		$3.84K Sell
464
-206
-31% -$2.1K ﹤0.01% 3268
2025
Q2 		$8.34K Buy
670
+364
+119% +$3.84K ﹤0.01% 2902
2025
Q1 		$2.8K Buy
306
+294
+2,450% +$3.88K ﹤0.01% 3306
2024
Q4 		$176 Sell
12
-196
-94% -$3.04K ﹤0.01% 3718
2024
Q3 		$3.09K Buy
208
+188
+940% +$3.27K ﹤0.01% 2924
2024
Q2 		$406 Buy
20
+8
+67% +$178 ﹤0.01% 3245
2024
Q1 		$285 Buy
+12
New +$215 ﹤0.01% 3190

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

GAMMA Investing's PUBM Position: Q2 2026 in Review

GAMMA Investing reduced its PubMatic (PUBM) stake by 0.95% in Q2 2026, selling an estimated $436 and leaving 4,364 shares worth $57.3K. The position accounts for ﹤0.01% of the portfolio, ranked #2214.

GAMMA Investing first reported a position in PUBM in Q1 2024 and has held it in 10 quarters since. 153 funds tracked by Wall St. Rank hold PUBM as of Q2 2026.

  • GAMMA Investing held 4,364 shares of PubMatic worth $57.3K as of Q2 2026.
  • GAMMA Investing sold 42 PubMatic shares in Q2 2026, an estimated $436.
  • PubMatic made up ﹤0.01% of GAMMA Investing's portfolio in Q2 2026, its #2214 holding.
  • GAMMA Investing first reported a position in PubMatic in Q1 2024 and has held it in 10 quarters since.
  • 153 funds tracked by Wall St. Rank held PubMatic as of Q2 2026.

Based on GAMMA Investing's 13F filing for Q2 2026, filed 7 Jul 2026.