JY
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Jeff Yass’s PubMatic PUBM Stock Holding History

Jeff Yass’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 		$1.26M Sell
96,300
-8,500
-8% -$88.3K ﹤0.01% 7587
2026
Q1 		$857K Buy
104,800
+75,400
+256% +$580K ﹤0.01% 8284
2025
Q4 		$261K Buy
29,400
+12,900
+78% +$112K ﹤0.01% 10283
2025
Q3 		$137K Sell
16,500
-28,900
-64% -$294K ﹤0.01% 11356
2025
Q2 		$565K Sell
45,400
-65,600
-59% -$692K ﹤0.01% 8886
2025
Q1 		$1.01M Sell
111,000
-26,400
-19% -$348K ﹤0.01% 7230
2024
Q4 		$2.02M Buy
137,400
+71,600
+109% +$1.11M ﹤0.01% 5308
2024
Q3 		$978K Sell
65,800
-77,200
-54% -$1.34M ﹤0.01% 6835
2024
Q2 		$2.9M Sell
143,000
-82,500
-37% -$1.84M ﹤0.01% 4382
2024
Q1 		$5.35M Buy
225,500
+143,100
+174% +$2.57M ﹤0.01% 3534
2023
Q4 		$1.34M Buy
82,400
+5,600
+7% +$81.2K ﹤0.01% 6254
2023
Q3 		$929K Sell
76,800
-36,400
-32% -$554K ﹤0.01% 6785
2023
Q2 		$2.07M Sell
113,200
-1,400
-1% -$22.3K ﹤0.01% 5087
2023
Q1 		$1.58M Buy
114,600
+35,300
+45% +$510K ﹤0.01% 5675
2022
Q4 		$1.02M Sell
79,300
-91,400
-54% -$1.43M ﹤0.01% 6153
2022
Q3 		$2.84M Sell
170,700
-183,700
-52% -$3.32M ﹤0.01% 4195
2022
Q2 		$5.63M Sell
354,400
-65,000
-15% -$1.39M ﹤0.01% 2994
2022
Q1 		$11M Buy
419,400
+51,300
+14% +$1.31M ﹤0.01% 2437
2021
Q4 		$12.5M Sell
368,100
-62,400
-14% -$2.03M ﹤0.01% 2415
2021
Q3 		$11.3M Buy
+430,500
New +$12.9M ﹤0.01% 2683

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

Jeff Yass's PUBM Position: Q2 2026 in Review

Jeff Yass reduced its PubMatic (PUBM) stake by 24% in Q2 2026, selling an estimated $587K and leaving 182,447 shares worth $2.39M. The position accounts for ﹤0.01% of the portfolio, ranked #6078.

Jeff Yass first reported a position in PUBM in Q4 2020 and has held it in 22 quarters since. The position peaked at $10.6M in Q4 2021. 153 funds tracked by Wall St. Rank hold PUBM as of Q2 2026.

  • Jeff Yass held 182,447 shares of PubMatic worth $2.39M as of Q2 2026.
  • Jeff Yass sold 56,537 PubMatic shares in Q2 2026, an estimated $587K.
  • PubMatic made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #6078 holding.
  • Jeff Yass first reported a position in PubMatic in Q4 2020 and has held it in 22 quarters since.
  • Jeff Yass's PubMatic position peaked at $10.6M in Q4 2021.
  • 153 funds tracked by Wall St. Rank held PubMatic as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.