MAREX GROUP PLC

Ticker: MRX CUSIP: G5S37H101 Class: Common Stock

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 1,305,455 Value ($000) $50,077 Avg Close $33.95 Range $27.79 - $40.39

Q3 2025

Shares 1,332,500 Value ($000) $44,799 Avg Close $35.86 Range $32.08 - $40.08

Q2 2025

Shares 1,078,643 Value ($000) $42,574 Avg Close $41.19 Range $32.61 - $48.76

Q1 2025

Shares 183,709 Value ($000) $6,489 Avg Close $34.28 Range $29.91 - $39.41

Q4 2024

Shares 450,274 Value ($000) $14,035 Avg Close $27.46 Range $22.62 - $31.93

Q3 2024

Shares 533,292 Value ($000) $12,596 Avg Close $21.77 Range $17.65 - $25.49

Q2 2024

Shares 686,173 Value ($000) $13,723 Avg Close $19.14 Range $17.65 - $22.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,305,455	$50,077	$33.95	$27.79 - $40.39
Q3 2025	1,332,500	$44,799	$35.86	$32.08 - $40.08
Q2 2025	1,078,643	$42,574	$41.19	$32.61 - $48.76
Q1 2025	183,709	$6,489	$34.28	$29.91 - $39.41
Q4 2024	450,274	$14,035	$27.46	$22.62 - $31.93
Q3 2024	533,292	$12,596	$21.77	$17.65 - $25.49
Q2 2024	686,173	$13,723	$19.14	$17.65 - $22.83