Russell Investments Group
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Russell Investments Group’s PubMatic PUBM Stock Holding History

Russell Investments 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
2026
Q1 		$542K Buy
66,291
+24,000
+57% +$185K ﹤0.01% 2467
2025
Q4 		$375K Buy
42,291
+102
+0.2% +$888 ﹤0.01% 2603
2025
Q3 		$349K Sell
42,189
-618
-1% -$6.29K ﹤0.01% 2616
2025
Q2 		$533K Sell
42,807
-3,440
-7% -$36.3K ﹤0.01% 2314
2025
Q1 		$423K Sell
46,247
-815
-2% -$10.7K ﹤0.01% 2352
2024
Q4 		$691K Buy
47,062
+2,528
+6% +$39.2K ﹤0.01% 2160
2024
Q3 		$662K Sell
44,534
-101,772
-70% -$1.77M ﹤0.01% 2185
2024
Q2 		$2.97M Buy
146,306
+20,269
+16% +$452K ﹤0.01% 1425
2024
Q1 		$2.99M Buy
126,037
+115,300
+1,074% +$2.07M ﹤0.01% 1426
2023
Q4 		$175K Buy
10,737
+539
+5% +$7.82K ﹤0.01% 2457
2023
Q3 		$123K Sell
10,198
-1,529
-13% -$23.3K ﹤0.01% 2585
2023
Q2 		$214K Buy
+11,727
New +$186K ﹤0.01% 2460
2023
Q1 		– Sell
-23,792
Closed -$305K – 3367
2022
Q4 		$305K Buy
+23,792
New +$373K ﹤0.01% 2454
2021
Q3 		– Sell
-39,143
Closed -$1.53M – 3177
2021
Q2 		$1.53M Buy
39,143
+36,189
+1,225% +$1.51M ﹤0.01% 2080
2021
Q1 		$145K Buy
+2,954
New +$134K ﹤0.01% 2905

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

Russell Investments Group's PUBM Position: Q1 2026 in Review

Russell Investments Group increased its PubMatic (PUBM) stake by 57% in Q1 2026, buying an estimated $185K and bringing the position to 66,291 shares worth $542K. The position accounts for ﹤0.01% of the portfolio, ranked #2467.

Russell Investments Group first reported a position in PUBM in Q1 2021 and has held it in 15 quarters since. The position peaked at $2.99M in Q1 2024. 152 funds tracked by Wall St. Rank hold PUBM as of Q1 2026.

  • Russell Investments Group held 66,291 shares of PubMatic worth $542K as of Q1 2026.
  • Russell Investments Group bought 24,000 PubMatic shares in Q1 2026, an estimated $185K.
  • PubMatic made up ﹤0.01% of Russell Investments Group's portfolio in Q1 2026, its #2467 holding.
  • Russell Investments Group first reported a position in PubMatic in Q1 2021 and has held it in 15 quarters since.
  • Russell Investments Group's PubMatic position peaked at $2.99M in Q1 2024.
  • 152 funds tracked by Wall St. Rank held PubMatic as of Q1 2026.

Based on Russell Investments Group's 13F filing for Q1 2026, filed 8 May 2026.