Mariner
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Mariner’s MediaAlpha MAX Stock Holding History

Mariner’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 		$544K Sell
58,489
-11,402
-16% -$112K ﹤0.01% 2435
2025
Q4 		$905K Buy
69,891
+7,982
+13% +$97.5K ﹤0.01% 2013
2025
Q3 		$705K Buy
61,909
+14,428
+30% +$159K ﹤0.01% 2166
2025
Q2 		$520K Sell
47,481
-89,306
-65% -$862K ﹤0.01% 2301
2025
Q1 		$1.26M Buy
136,787
+76,354
+126% +$815K ﹤0.01% 1529
2024
Q4 		$682K Buy
60,433
+3,989
+7% +$57.4K ﹤0.01% 1929
2024
Q3 		$1.02M Sell
56,444
-47,456
-46% -$756K ﹤0.01% 1583
2024
Q2 		$1.37M Buy
103,900
+28,113
+37% +$517K ﹤0.01% 1317
2024
Q1 		$1.54M Sell
75,787
-25,731
-25% -$411K ﹤0.01% 1241
2023
Q4 		$1.13M Buy
101,518
+25,458
+33% +$252K ﹤0.01% 1353
2023
Q3 		$628K Buy
76,060
+62,210
+449% +$556K ﹤0.01% 1621
2023
Q2 		$143K Buy
13,850
+421
+3% +$3.81K ﹤0.01% 2564
2023
Q1 		$201K Sell
13,429
-439
-3% -$5.94K ﹤0.01% 2414
2022
Q4 		$138K Buy
13,868
+448
+3% +$4.94K ﹤0.01% 2440
2022
Q3 		$117K Buy
+13,420
New +$131K ﹤0.01% 2167

Other funds holding MAX

WMIG
White Mountains Insurance Group Hanover, New Hampshire $313M AUM 14.8% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 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 33.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 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

Mariner's MAX Position: Q1 2026 in Review

Mariner reduced its MediaAlpha (MAX) stake by 16% in Q1 2026, selling an estimated $112K and leaving 58,489 shares worth $544K. The position accounts for ﹤0.01% of the portfolio, ranked #2435.

Mariner first reported a position in MAX in Q3 2022 and has held it in 15 quarters since. The position peaked at $1.54M in Q1 2024. 162 funds tracked by Wall St. Rank hold MAX as of Q1 2026.

  • Mariner held 58,489 shares of MediaAlpha worth $544K as of Q1 2026.
  • Mariner sold 11,402 MediaAlpha shares in Q1 2026, an estimated $112K.
  • MediaAlpha made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #2435 holding.
  • Mariner first reported a position in MediaAlpha in Q3 2022 and has held it in 15 quarters since.
  • Mariner's MediaAlpha position peaked at $1.54M in Q1 2024.
  • 162 funds tracked by Wall St. Rank held MediaAlpha as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.