Ken Griffin
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Ken Griffin’s MediaAlpha MAX Stock Holding History

Ken Griffin’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
Q1 		$2.13M Buy
229,323
+59,676
+35% +$588K ﹤0.01% 5939
2025
Q4 		$2.2M Buy
+169,647
New +$2.07M ﹤0.01% 5727
2025
Q3 		– Sell
-115,626
Closed -$1.28M – 13559
2025
Q2 		$1.27M Sell
115,626
-314,613
-73% -$3.04M ﹤0.01% 6588
2025
Q1 		$3.98M Buy
430,239
+275,205
+178% +$2.94M ﹤0.01% 4268
2024
Q4 		$1.75M Sell
155,034
-26,894
-15% -$387K ﹤0.01% 5910
2024
Q3 		$3.29M Sell
181,928
-308,503
-63% -$4.92M ﹤0.01% 4633
2024
Q2 		$6.46M Buy
490,431
+154,185
+46% +$2.84M ﹤0.01% 3368
2024
Q1 		$6.85M Buy
336,246
+307,818
+1,083% +$4.91M ﹤0.01% 3479
2023
Q4 		$317K Buy
28,428
+16,192
+132% +$160K ﹤0.01% 9054
2023
Q3 		$101K Sell
12,236
-112,946
-90% -$1.01M ﹤0.01% 10885
2023
Q2 		$1.29M Sell
125,182
-10,773
-8% -$97.4K ﹤0.01% 5946
2023
Q1 		$2.04M Buy
135,955
+106,101
+355% +$1.44M ﹤0.01% 5330
2022
Q4 		$297K Buy
29,854
+8,857
+42% +$97.6K ﹤0.01% 9345
2022
Q3 		$184K Sell
20,997
-70,595
-77% -$687K ﹤0.01% 10487
2022
Q2 		$902K Buy
91,592
+29,954
+49% +$365K ﹤0.01% 7252
2022
Q1 		$1.02M Buy
61,638
+28,370
+85% +$397K ﹤0.01% 7649
2021
Q4 		$514K Buy
33,268
+5,966
+22% +$99.5K ﹤0.01% 9635
2021
Q3 		$510K Buy
27,302
+3,154
+13% +$85.4K ﹤0.01% 9814
2021
Q2 		$1.02M Buy
24,148
+18,048
+296% +$722K ﹤0.01% 8328
2021
Q1 		$216K Sell
6,100
-273,456
-98% -$13.6M ﹤0.01% 11545
2020
Q4 		$10.9M Buy
+279,556
New +$10.8M ﹤0.01% 2528

Other funds holding MAX

WMIG
White Mountains Insurance Group Hanover, New Hampshire $313M AUM 14.8% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
CC
Clearline Capital New York $1.93B AUM 38.13% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
JGC
J. Goldman & Co New York $3.44B AUM 33.82% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
JAM
Jacobs Asset Management New York $167M AUM 22.68% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Ken Griffin's MAX Position: Q1 2026 in Review

Ken Griffin increased its MediaAlpha (MAX) stake by 35% in Q1 2026, buying an estimated $588K and bringing the position to 229,323 shares worth $2.13M. The position accounts for ﹤0.01% of the portfolio, ranked #5939.

Ken Griffin first reported a position in MAX in Q4 2020 and has held it in 21 quarters since. The position peaked at $10.9M in Q4 2020. 162 funds tracked by Wall St. Rank hold MAX as of Q1 2026.

  • Ken Griffin held 229,323 shares of MediaAlpha worth $2.13M as of Q1 2026.
  • Ken Griffin bought 59,676 MediaAlpha shares in Q1 2026, an estimated $588K.
  • MediaAlpha made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #5939 holding.
  • Ken Griffin first reported a position in MediaAlpha in Q4 2020 and has held it in 21 quarters since.
  • Ken Griffin's MediaAlpha position peaked at $10.9M in Q4 2020.
  • 162 funds tracked by Wall St. Rank held MediaAlpha as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.