CenterBook Partners’s MediaAlpha MAX Stock Holding History

CenterBook Partners’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 Q1	–	Sell	-471,864	Closed	-$5.33M	–	550
2024 Q4	$5.33M	Buy	471,864 +391,298	+486%	+$5.63M	0.32%	91
2024 Q3	$1.46M	Sell	80,566 -234,526	-74%	-$3.74M	0.09%	246
2024 Q2	$4.15M	Buy	315,092 +226,918	+257%	+$4.17M	0.26%	150
2024 Q1	$1.8M	Buy	+88,174	New	+$1.41M	0.12%	249

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BBCM

Broad Bay Capital Management New York $1.18B AUM 65.45% 1-Year Est. Return

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

TCM

TimesSquare Capital Management New York $5.89B AUM 28.74% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

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

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

CenterBook Partners's MAX Position: Q1 2025 in Review

CenterBook Partners sold out of MediaAlpha (MAX) in Q1 2025, closing a stake of 471,864 shares — an estimated $5.33M sold.

CenterBook Partners first reported a position in MAX in Q1 2024 and held it in 4 quarters. The position peaked at $5.33M in Q4 2024. 144 funds tracked by Wall St. Rank hold MAX as of Q1 2025.

CenterBook Partners reported no remaining MediaAlpha position as of Q1 2025 after selling out during the quarter.
CenterBook Partners sold 471,864 MediaAlpha shares in Q1 2025, an estimated $5.33M.
CenterBook Partners first reported a position in MediaAlpha in Q1 2024 and held it in 4 quarters.
CenterBook Partners's MediaAlpha position peaked at $5.33M in Q4 2024.
144 funds tracked by Wall St. Rank held MediaAlpha as of Q1 2025.

Based on CenterBook Partners's 13F filing for Q1 2025, filed 9 May 2025.