Citigroup
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Citigroup’s PubMatic PUBM Stock Holding History

Citigroup’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 		$272K Buy
20,768
+15,863
+323% +$165K ﹤0.01% 4182
2026
Q1 		$40.1K Buy
4,905
+846
+21% +$6.5K ﹤0.01% 4609
2025
Q4 		$36K Sell
4,059
-2,287
-36% -$19.9K ﹤0.01% 4686
2025
Q3 		$52.5K Sell
6,346
-12,445
-66% -$127K ﹤0.01% 4480
2025
Q2 		$234K Sell
18,791
-14,194
-43% -$150K ﹤0.01% 3997
2025
Q1 		$301K Sell
32,985
-2,493
-7% -$32.9K ﹤0.01% 3947
2024
Q4 		$521K Buy
35,478
+5,307
+18% +$82.2K ﹤0.01% 3793
2024
Q3 		$449K Buy
30,171
+21,065
+231% +$366K ﹤0.01% 3793
2024
Q2 		$185K Buy
9,106
+1,454
+19% +$32.4K ﹤0.01% 3915
2024
Q1 		$182K Buy
7,652
+1,614
+27% +$28.9K ﹤0.01% 4062
2023
Q4 		$98.5K Buy
6,038
+5,739
+1,919% +$83.2K ﹤0.01% 4208
2023
Q3 		$3.62K Sell
299
-13,577
-98% -$207K ﹤0.01% 4808
2023
Q2 		$254K Buy
13,876
+7,582
+120% +$121K ﹤0.01% 3776
2023
Q1 		$87K Buy
6,294
+1,422
+29% +$20.5K ﹤0.01% 4077
2022
Q4 		$62.4K Sell
4,872
-1,641
-25% -$25.7K ﹤0.01% 4215
2022
Q3 		$108K Sell
6,513
-2,197
-25% -$39.7K ﹤0.01% 4055
2022
Q2 		$138K Buy
8,710
+2,105
+32% +$45.1K ﹤0.01% 4046
2022
Q1 		$173K Buy
6,605
+1,883
+40% +$48.2K ﹤0.01% 4149
2021
Q4 		$161K Buy
4,722
+4,623
+4,670% +$151K ﹤0.01% 4468
2021
Q3 		$3K Sell
99
-211
-68% -$6.33K ﹤0.01% 5642
2021
Q2 		$12K Buy
310
+125
+68% +$5.2K ﹤0.01% 5581
2021
Q1 		$9K Hold
185
– – ﹤0.01% 5711
2020
Q4 		$5K Buy
+185
New +$5.06K ﹤0.01% 7114

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

Citigroup's PUBM Position: Q2 2026 in Review

Citigroup increased its PubMatic (PUBM) stake by 323% in Q2 2026, buying an estimated $165K and bringing the position to 20,768 shares worth $272K. The position accounts for ﹤0.01% of the portfolio, ranked #4182.

Citigroup first reported a position in PUBM in Q4 2020 and has held it in 23 quarters since. The position peaked at $521K in Q4 2024. 153 funds tracked by Wall St. Rank hold PUBM as of Q2 2026.

  • Citigroup held 20,768 shares of PubMatic worth $272K as of Q2 2026.
  • Citigroup bought 15,863 PubMatic shares in Q2 2026, an estimated $165K.
  • PubMatic made up ﹤0.01% of Citigroup's portfolio in Q2 2026, its #4182 holding.
  • Citigroup first reported a position in PubMatic in Q4 2020 and has held it in 23 quarters since.
  • Citigroup's PubMatic position peaked at $521K in Q4 2024.
  • 153 funds tracked by Wall St. Rank held PubMatic as of Q2 2026.

Based on Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.