Citadel Advisors’s MediaAlpha MAX Stock Holding History

Citadel Advisors’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
2025 Q4	–	Sell	-15,500	Closed	-$176K	–	13505
2025 Q3	$176K	Buy	+15,500	New	+$171K	﹤0.01%	11390
2025 Q2	–	Sell	-67,000	Closed	-$619K	–	14014
2025 Q1	$619K	Buy	67,000 +19,000	+40%	+$203K	﹤0.01%	8007
2024 Q4	$542K	Buy	48,000 +43,900	+1,071%	+$631K	﹤0.01%	8373
2024 Q3	$74.3K	Sell	4,100 -34,600	-89%	-$551K	﹤0.01%	11487
2024 Q2	$510K	Buy	38,700 +35,600	+1,148%	+$655K	﹤0.01%	7998
2024 Q1	$63.1K	Buy	+3,100	New	+$49.5K	﹤0.01%	11940
2023 Q4	–	Sell	-11,700	Closed	-$96.6K	–	14857
2023 Q3	$96.6K	Sell	11,700 -1,600	-12%	-$14.3K	﹤0.01%	10944
2023 Q2	$137K	Buy	+13,300	New	+$120K	﹤0.01%	10458
2023 Q1	–	Sell	-1,000	Closed	-$9.95K	–	15170
2022 Q4	$9.95K	Buy	+1,000	New	+$11K	﹤0.01%	13652
2021 Q4	–	Sell	-15,600	Closed	-$291K	–	14363
2021 Q3	$291K	Buy	+15,600	New	+$422K	﹤0.01%	11115

Other funds holding MAX

WMIG

White Mountains Insurance Group Hanover, New Hampshire $313M AUM 14.8% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Clearline Capital New York $1.93B AUM 38.13% 1-Year Est. Return

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 Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

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 Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Citadel Advisors's MAX Position: Q1 2026 in Review

Citadel Advisors 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.

Citadel Advisors 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.

Citadel Advisors held 229,323 shares of MediaAlpha worth $2.13M as of Q1 2026.
Citadel Advisors bought 59,676 MediaAlpha shares in Q1 2026, an estimated $588K.
MediaAlpha made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #5939 holding.
Citadel Advisors first reported a position in MediaAlpha in Q4 2020 and has held it in 21 quarters since.
Citadel Advisors'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.