Renaissance Technologies
PUBM icon

Renaissance Technologies’s PubMatic PUBM Stock Holding History

Renaissance Technologies’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 		$12.6M Buy
1,540,533
+321,200
+26% +$2.47M 0.02% 848
2025
Q4 		$10.8M Sell
1,219,333
-136,267
-10% -$1.19M 0.02% 880
2025
Q3 		$11.2M Buy
1,355,600
+135,700
+11% +$1.38M 0.01% 1038
2025
Q2 		$15.2M Buy
1,219,900
+123,400
+11% +$1.3M 0.02% 843
2025
Q1 		$10M Buy
1,096,500
+33,000
+3% +$435K 0.02% 1005
2024
Q4 		$15.6M Sell
1,063,500
-30,100
-3% -$466K 0.02% 776
2024
Q3 		$16.3M Sell
1,093,600
-95,100
-8% -$1.65M 0.02% 785
2024
Q2 		$24.1M Buy
1,188,700
+265,700
+29% +$5.92M 0.04% 512
2024
Q1 		$21.9M Buy
923,000
+108,200
+13% +$1.94M 0.03% 592
2023
Q4 		$13.3M Buy
814,800
+43,600
+6% +$632K 0.02% 805
2023
Q3 		$9.33M Buy
771,200
+2,700
+0.4% +$41.1K 0.02% 957
2023
Q2 		$14M Sell
768,500
-83,800
-10% -$1.33M 0.02% 848
2023
Q1 		$11.8M Buy
852,300
+79,852
+10% +$1.15M 0.02% 1007
2022
Q4 		$9.89M Buy
772,448
+18,348
+2% +$288K 0.01% 1085
2022
Q3 		$12.5M Sell
754,100
-13,400
-2% -$242K 0.02% 904
2022
Q2 		$12.2M Sell
767,500
-9,400
-1% -$201K 0.01% 998
2022
Q1 		$20.3M Buy
776,900
+96,346
+14% +$2.47M 0.02% 749
2021
Q4 		$23.2M Buy
+680,554
New +$22.2M 0.03% 637

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
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
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Renaissance Technologies's PUBM Position: Q1 2026 in Review

Renaissance Technologies increased its PubMatic (PUBM) stake by 26% in Q1 2026, buying an estimated $2.47M and bringing the position to 1,540,533 shares worth $12.6M. The position accounts for 0.02% of the portfolio, ranked #848.

Renaissance Technologies first reported a position in PUBM in Q4 2021 and has held it in 18 quarters since. The position peaked at $24.1M in Q2 2024. 152 funds tracked by Wall St. Rank hold PUBM as of Q1 2026.

  • Renaissance Technologies held 1,540,533 shares of PubMatic worth $12.6M as of Q1 2026.
  • Renaissance Technologies bought 321,200 PubMatic shares in Q1 2026, an estimated $2.47M.
  • PubMatic made up 0.02% of Renaissance Technologies's portfolio in Q1 2026, its #848 holding.
  • Renaissance Technologies first reported a position in PubMatic in Q4 2021 and has held it in 18 quarters since.
  • Renaissance Technologies's PubMatic position peaked at $24.1M in Q2 2024.
  • 152 funds tracked by Wall St. Rank held PubMatic as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.