Jane Street
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Jane Street’s MediaAlpha MAX Stock Holding History

Jane Street’s Portfolio MAX Stock Details MAX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$6.93M Buy
551,625
+268,617
+95% +$2.54M ﹤0.01% 3273
2026
Q1 		$2.63M Sell
283,008
-77,121
-21% -$760K ﹤0.01% 4591
2025
Q4 		$4.66M Buy
360,129
+183,824
+104% +$2.25M ﹤0.01% 3343
2025
Q3 		$2.01M Buy
+176,305
New +$1.94M ﹤0.01% 4927
2025
Q2 		– Sell
-120,424
Closed -$1.16M – 10378
2025
Q1 		$1.11M Buy
120,424
+65,115
+118% +$695K ﹤0.01% 5364
2024
Q4 		$624K Buy
55,309
+17,072
+45% +$246K ﹤0.01% 6302
2024
Q3 		$692K Sell
38,237
-62,393
-62% -$994K ﹤0.01% 6610
2024
Q2 		$1.33M Buy
100,630
+84,881
+539% +$1.56M ﹤0.01% 5230
2024
Q1 		$321K Sell
15,749
-15,724
-50% -$251K ﹤0.01% 7450
2023
Q4 		$351K Buy
+31,473
New +$312K ﹤0.01% 7380
2023
Q3 		– Sell
-28,445
Closed -$293K – 9070
2023
Q2 		$293K Buy
28,445
+15,932
+127% +$144K ﹤0.01% 7152
2023
Q1 		$187K Sell
12,513
-17,105
-58% -$231K ﹤0.01% 7890
2022
Q4 		$295K Buy
+29,618
New +$326K ﹤0.01% 7049
2021
Q3 		– Sell
-7,168
Closed -$302K – 10396
2021
Q2 		$302K Buy
+7,168
New +$287K ﹤0.01% 8138

Other funds holding MAX

WMIG
White Mountains Insurance Group Hanover, New Hampshire $394M AUM 22.47% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
CC
Clearline Capital New York $1.68B AUM 53.07% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
DSCM
Divisadero Street Capital Management Miami, Florida $4.41B AUM 90.53% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
JAM
Jacobs Asset Management New York $159M AUM 30.93% 1-Year Est. Return

Jane Street's MAX Position: Q2 2026 in Review

Jane Street increased its MediaAlpha (MAX) stake by 95% in Q2 2026, buying an estimated $2.54M and bringing the position to 551,625 shares worth $6.93M. The position accounts for ﹤0.01% of the portfolio, ranked #3273.

Jane Street first reported a position in MAX in Q2 2021 and has held it in 14 quarters since. 154 funds tracked by Wall St. Rank hold MAX as of Q2 2026.

  • Jane Street held 551,625 shares of MediaAlpha worth $6.93M as of Q2 2026.
  • Jane Street bought 268,617 MediaAlpha shares in Q2 2026, an estimated $2.54M.
  • MediaAlpha made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #3273 holding.
  • Jane Street first reported a position in MediaAlpha in Q2 2021 and has held it in 14 quarters since.
  • 154 funds tracked by Wall St. Rank held MediaAlpha as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.