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David Shaw’s PubMatic PUBM Stock Holding History

David Shaw’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 		$581K Sell
44,320
-400,794
-90% -$4.16M ﹤0.01% 4109
2026
Q1 		$3.64M Sell
445,114
-101,379
-19% -$779K ﹤0.01% 2418
2025
Q4 		$4.85M Sell
546,493
-25,982
-5% -$226K ﹤0.01% 2327
2025
Q3 		$4.74M Buy
572,475
+216,094
+61% +$2.2M ﹤0.01% 2259
2025
Q2 		$4.43M Sell
356,381
-95,529
-21% -$1.01M ﹤0.01% 2122
2025
Q1 		$4.13M Buy
451,910
+402,284
+811% +$5.3M ﹤0.01% 2039
2024
Q4 		$729K Buy
49,626
+3,922
+9% +$60.8K ﹤0.01% 3393
2024
Q3 		$680K Buy
+45,704
New +$794K ﹤0.01% 3518
2024
Q2 		– Sell
-17,285
Closed -$410K – 4782
2024
Q1 		$410K Sell
17,285
-10,899
-39% -$195K ﹤0.01% 3580
2023
Q4 		$460K Buy
28,184
+5,059
+22% +$73.4K ﹤0.01% 3548
2023
Q3 		$280K Buy
23,125
+305
+1% +$4.64K ﹤0.01% 3643
2023
Q2 		$417K Sell
22,820
-7,380
-24% -$117K ﹤0.01% 3491
2023
Q1 		$417K Hold
30,200
– – ﹤0.01% 3640
2022
Q4 		$387K Sell
30,200
-36,739
-55% -$576K ﹤0.01% 3982
2022
Q3 		$1.11M Sell
66,939
-88,654
-57% -$1.6M ﹤0.01% 3516
2022
Q2 		$2.47M Buy
155,593
+18,863
+14% +$404K ﹤0.01% 2885
2022
Q1 		$3.57M Buy
136,730
+124,318
+1,002% +$3.19M ﹤0.01% 2703
2021
Q4 		$423K Sell
12,412
-13,240
-52% -$431K ﹤0.01% 4499
2021
Q3 		$676K Sell
25,652
-179,522
-87% -$5.39M ﹤0.01% 3888
2021
Q2 		$8.02M Buy
+205,174
New +$8.54M 0.01% 1680

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

David Shaw's PUBM Position: Q2 2026 in Review

David Shaw reduced its PubMatic (PUBM) stake by 90% in Q2 2026, selling an estimated $4.16M and leaving 44,320 shares worth $581K. The position accounts for ﹤0.01% of the portfolio, ranked #4109.

David Shaw first reported a position in PUBM in Q2 2021 and has held it in 20 quarters since. The position peaked at $8.02M in Q2 2021. 152 funds tracked by Wall St. Rank hold PUBM as of Q2 2026.

  • David Shaw held 44,320 shares of PubMatic worth $581K as of Q2 2026.
  • David Shaw sold 400,794 PubMatic shares in Q2 2026, an estimated $4.16M.
  • PubMatic made up ﹤0.01% of David Shaw's portfolio in Q2 2026, its #4109 holding.
  • David Shaw first reported a position in PubMatic in Q2 2021 and has held it in 20 quarters since.
  • David Shaw's PubMatic position peaked at $8.02M in Q2 2021.
  • 152 funds tracked by Wall St. Rank held PubMatic as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.