William Blair & Company
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William Blair & Company’s MediaAlpha MAX Stock Holding History

William Blair & Company’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 		$704K Buy
56,046
+71
+0.1% +$670 ﹤0.01% 1103
2026
Q1 		$521K Sell
55,975
-4,171
-7% -$41.1K ﹤0.01% 1134
2025
Q4 		$779K Sell
60,146
-6,051
-9% -$73.9K ﹤0.01% 1002
2025
Q3 		$753K Buy
66,197
+2,190
+3% +$24.2K ﹤0.01% 991
2025
Q2 		$701K Sell
64,007
-130
-0.2% -$1.25K ﹤0.01% 992
2025
Q1 		$593K Buy
64,137
+11,071
+21% +$118K ﹤0.01% 1038
2024
Q4 		$599K Buy
+53,066
New +$763K ﹤0.01% 1041
2023
Q1 		– Sell
-20,561
Closed -$205K – 1836
2022
Q4 		$205K Sell
20,561
-2,818
-12% -$31.1K ﹤0.01% 1360
2022
Q3 		$205K Sell
23,379
-1,757
-7% -$17.1K ﹤0.01% 1376
2022
Q2 		$248K Sell
25,136
-19,223
-43% -$234K ﹤0.01% 1333
2022
Q1 		$734K Buy
44,359
+441
+1% +$6.17K ﹤0.01% 1027
2021
Q4 		$678K Sell
43,918
-131,203
-75% -$2.19M ﹤0.01% 1099
2021
Q3 		$3.27M Buy
175,121
+18,041
+11% +$488K 0.01% 564
2021
Q2 		$6.61M Buy
157,080
+19,027
+14% +$761K 0.02% 400
2021
Q1 		$4.89M Buy
+138,053
New +$6.85M 0.02% 457

Other funds holding MAX

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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

William Blair & Company's MAX Position: Q2 2026 in Review

William Blair & Company increased its MediaAlpha (MAX) stake by 0.13% in Q2 2026, buying an estimated $670 and bringing the position to 56,046 shares worth $704K. The position accounts for ﹤0.01% of the portfolio, ranked #1103.

William Blair & Company first reported a position in MAX in Q1 2021 and has held it in 15 quarters since. The position peaked at $6.61M in Q2 2021. 153 funds tracked by Wall St. Rank hold MAX as of Q2 2026.

  • William Blair & Company held 56,046 shares of MediaAlpha worth $704K as of Q2 2026.
  • William Blair & Company bought 71 MediaAlpha shares in Q2 2026, an estimated $670.
  • MediaAlpha made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1103 holding.
  • William Blair & Company first reported a position in MediaAlpha in Q1 2021 and has held it in 15 quarters since.
  • William Blair & Company's MediaAlpha position peaked at $6.61M in Q2 2021.
  • 153 funds tracked by Wall St. Rank held MediaAlpha as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.