Vanguard Group
PUBM icon

Vanguard Group’s PubMatic PUBM Stock Holding History

Vanguard 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
2025
Q4 		$21.1M Sell
2,379,185
-119,787
-5% -$1.04M ﹤0.01% 2597
2025
Q3 		$20.7M Sell
2,498,972
-112,207
-4% -$1.14M ﹤0.01% 2605
2025
Q2 		$32.5M Sell
2,611,179
-802,424
-24% -$8.46M ﹤0.01% 2323
2025
Q1 		$31.2M Sell
3,413,603
-826,686
-19% -$10.9M ﹤0.01% 2300
2024
Q4 		$62.3M Sell
4,240,289
-110,613
-3% -$1.71M ﹤0.01% 2074
2024
Q3 		$64.7M Buy
4,350,902
+20,197
+0.5% +$351K ﹤0.01% 2071
2024
Q2 		$88M Buy
4,330,705
+76,314
+2% +$1.7M ﹤0.01% 1893
2024
Q1 		$101M Buy
4,254,391
+22,713
+0.5% +$407K ﹤0.01% 1865
2023
Q4 		$69M Sell
4,231,678
-57,526
-1% -$834K ﹤0.01% 2044
2023
Q3 		$51.9M Sell
4,289,204
-935
-0% -$14.2K ﹤0.01% 2120
2023
Q2 		$78.4M Sell
4,290,139
-75,876
-2% -$1.21M ﹤0.01% 1986
2023
Q1 		$60.3M Sell
4,366,015
-55,916
-1% -$807K ﹤0.01% 2089
2022
Q4 		$56.6M Buy
4,421,931
+102,039
+2% +$1.6M ﹤0.01% 2121
2022
Q3 		$71.8M Buy
4,319,892
+29,696
+0.7% +$537K ﹤0.01% 1993
2022
Q2 		$68.2M Buy
4,290,196
+1,607,354
+60% +$34.4M ﹤0.01% 2036
2022
Q1 		$70.1M Buy
2,682,842
+325,631
+14% +$8.34M ﹤0.01% 2127
2021
Q4 		$80.3M Buy
2,357,211
+637,715
+37% +$20.8M ﹤0.01% 2100
2021
Q3 		$45.3M Buy
1,719,496
+1,190,960
+225% +$35.7M ﹤0.01% 2418
2021
Q2 		$20.6M Buy
528,536
+249,087
+89% +$10.4M ﹤0.01% 2826
2021
Q1 		$13.8M Buy
279,449
+229,449
+459% +$10.4M ﹤0.01% 2979
2020
Q4 		$1.4M Buy
+50,000
New +$1.37M ﹤0.01% 3747

Other funds holding PUBM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
GHC
Graham Holdings Company Arlington, Virginia $967M AUM 15.12% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
CP
CenterBook Partners Greenwich, Connecticut $1.86B AUM 24.52% 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
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Vanguard Group's PUBM Position: Q4 2025 in Review

Vanguard Group reduced its PubMatic (PUBM) stake by 4.8% in Q4 2025, selling an estimated $1.04M and leaving 2,379,185 shares worth $21.1M. The position accounts for ﹤0.01% of the portfolio, ranked #2597.

Vanguard Group first reported a position in PUBM in Q4 2020 and has held it in 21 quarters since. The position peaked at $101M in Q1 2024. 152 funds tracked by Wall St. Rank hold PUBM as of Q4 2025.

  • Vanguard Group held 2,379,185 shares of PubMatic worth $21.1M as of Q4 2025.
  • Vanguard Group sold 119,787 PubMatic shares in Q4 2025, an estimated $1.04M.
  • PubMatic made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #2597 holding.
  • Vanguard Group first reported a position in PubMatic in Q4 2020 and has held it in 21 quarters since.
  • Vanguard Group's PubMatic position peaked at $101M in Q1 2024.
  • 152 funds tracked by Wall St. Rank held PubMatic as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.