Ameriprise
PUBM icon

Ameriprise’s PubMatic PUBM Stock Holding History

Ameriprise’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
Q1 		$1.1M Sell
134,001
-27,866
-17% -$214K ﹤0.01% 3254
2025
Q4 		$1.44M Buy
161,867
+23,862
+17% +$208K ﹤0.01% 3170
2025
Q3 		$1.14M Sell
138,005
-29,493
-18% -$300K ﹤0.01% 3294
2025
Q2 		$2.08M Buy
+167,498
New +$1.77M ﹤0.01% 2935
2024
Q3 		– Sell
-46,366
Closed -$942K – 3993
2024
Q2 		$942K Sell
46,366
-15,660
-25% -$349K ﹤0.01% 3182
2024
Q1 		$1.47M Buy
62,026
+40,159
+184% +$720K ﹤0.01% 3014
2023
Q4 		$357K Buy
21,867
+4,567
+26% +$66.2K ﹤0.01% 3565
2023
Q3 		$209K Buy
+17,300
New +$263K ﹤0.01% 3692
2023
Q1 		– Sell
-46,825
Closed -$601K – 4024
2022
Q4 		$601K Sell
46,825
-5,086
-10% -$79.7K ﹤0.01% 3333
2022
Q3 		$864K Sell
51,911
-13,746
-21% -$248K ﹤0.01% 3185
2022
Q2 		$1.04M Sell
65,657
-916,616
-93% -$19.6M ﹤0.01% 3106
2022
Q1 		$25.7M Buy
982,273
+21,941
+2% +$562K 0.01% 1168
2021
Q4 		$32.7M Buy
960,332
+50,764
+6% +$1.65M 0.01% 1056
2021
Q3 		$24M Buy
909,568
+4,897
+0.5% +$147K 0.01% 1135
2021
Q2 		$35.3M Buy
904,671
+80,608
+10% +$3.35M 0.01% 963
2021
Q1 		$40.6M Buy
824,063
+306,692
+59% +$13.9M 0.01% 862
2020
Q4 		$14.5M Buy
+517,371
New +$14.1M 0.01% 1461

Other funds holding PUBM

GHC
Graham Holdings Company Arlington, Virginia $967M AUM 15.12% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
CP
CenterBook Partners Greenwich, Connecticut $1.86B AUM 24.52% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 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
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Ameriprise's PUBM Position: Q1 2026 in Review

Ameriprise reduced its PubMatic (PUBM) stake by 17% in Q1 2026, selling an estimated $214K and leaving 134,001 shares worth $1.1M. The position accounts for ﹤0.01% of the portfolio, ranked #3254.

Ameriprise first reported a position in PUBM in Q4 2020 and has held it in 17 quarters since. The position peaked at $40.6M in Q1 2021. 153 funds tracked by Wall St. Rank hold PUBM as of Q1 2026.

  • Ameriprise held 134,001 shares of PubMatic worth $1.1M as of Q1 2026.
  • Ameriprise sold 27,866 PubMatic shares in Q1 2026, an estimated $214K.
  • PubMatic made up ﹤0.01% of Ameriprise's portfolio in Q1 2026, its #3254 holding.
  • Ameriprise first reported a position in PubMatic in Q4 2020 and has held it in 17 quarters since.
  • Ameriprise's PubMatic position peaked at $40.6M in Q1 2021.
  • 153 funds tracked by Wall St. Rank held PubMatic as of Q1 2026.

Based on Ameriprise's 13F filing for Q1 2026, filed 15 May 2026.