BlackRock
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BlackRock’s PubMatic PUBM Stock Holding History

BlackRock’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 		$43M Buy
3,279,530
+214,494
+7% +$2.23M ﹤0.01% 2762
2026
Q1 		$25.1M Sell
3,065,036
-58,131
-2% -$447K ﹤0.01% 2934
2025
Q4 		$27.7M Sell
3,123,167
-264,811
-8% -$2.31M ﹤0.01% 2899
2025
Q3 		$28.1M Sell
3,387,978
-61,963
-2% -$631K ﹤0.01% 2879
2025
Q2 		$42.9M Sell
3,449,941
-2,155
-0.1% -$22.7K ﹤0.01% 2547
2025
Q1 		$31.6M Sell
3,452,096
-44,893
-1% -$592K ﹤0.01% 2652
2024
Q4 		$51.4M Sell
3,496,989
-16,983
-0.5% -$263K ﹤0.01% 2439
2024
Q3 		$52.3M Buy
3,513,972
+116,171
+3% +$2.02M ﹤0.01% 2447
2024
Q2 		$69M Buy
3,397,801
+41,738
+1% +$930K ﹤0.01% 2241
2024
Q1 		$79.6M Sell
3,356,063
-121,301
-3% -$2.17M ﹤0.01% 2184
2023
Q4 		$56.7M Buy
3,477,364
+224,141
+7% +$3.25M ﹤0.01% 2402
2023
Q3 		$39.4M Sell
3,253,223
-57,994
-2% -$882K ﹤0.01% 2542
2023
Q2 		$60.5M Buy
3,311,217
+546,233
+20% +$8.68M ﹤0.01% 2370
2023
Q1 		$38.2M Buy
2,764,984
+49,333
+2% +$712K ﹤0.01% 2628
2022
Q4 		$34.8M Buy
2,715,651
+108,289
+4% +$1.7M ﹤0.01% 2705
2022
Q3 		$43.4M Buy
2,607,362
+9,847
+0.4% +$178K ﹤0.01% 2547
2022
Q2 		$41.3M Buy
2,597,515
+2,134,487
+461% +$45.7M ﹤0.01% 2617
2022
Q1 		$12.1M Buy
463,028
+45,281
+11% +$1.16M ﹤0.01% 3475
2021
Q4 		$14.2M Sell
417,747
-273,573
-40% -$8.91M ﹤0.01% 3471
2021
Q3 		$18.2M Buy
691,320
+81,969
+13% +$2.46M ﹤0.01% 3348
2021
Q2 		$23.8M Buy
609,351
+8,889
+1% +$370K ﹤0.01% 3195
2021
Q1 		$29.6M Sell
600,462
-100,125
-14% -$4.54M ﹤0.01% 2955
2020
Q4 		$19.6M Buy
+700,587
New +$19.1M ﹤0.01% 3016

Other funds holding PUBM

GHC
Graham Holdings Company Arlington, Virginia $1.08B AUM 28.93% 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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

BlackRock's PUBM Position: Q2 2026 in Review

BlackRock increased its PubMatic (PUBM) stake by 7% in Q2 2026, buying an estimated $2.23M and bringing the position to 3,279,530 shares worth $43M. The position accounts for ﹤0.01% of the portfolio, ranked #2762.

BlackRock first reported a position in PUBM in Q4 2020 and has held it in 23 quarters since. The position peaked at $79.6M in Q1 2024. 153 funds tracked by Wall St. Rank hold PUBM as of Q2 2026.

  • BlackRock held 3,279,530 shares of PubMatic worth $43M as of Q2 2026.
  • BlackRock bought 214,494 PubMatic shares in Q2 2026, an estimated $2.23M.
  • PubMatic made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #2762 holding.
  • BlackRock first reported a position in PubMatic in Q4 2020 and has held it in 23 quarters since.
  • BlackRock's PubMatic position peaked at $79.6M in Q1 2024.
  • 153 funds tracked by Wall St. Rank held PubMatic as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.