MBX BIOSCIENCES INC

Ticker: MBX CUSIP: 55287L101 Class: Common Stock

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025

Shares 809,857 Value ($000) $25,543 Avg Close $24.26 Range $12.94 - $35.55

Q3 2025

Shares 996,083 Value ($000) $17,431 Avg Close $13.37 Range $9.63 - $26.47

Q4 2024

Shares 220,330 Value ($000) $4,061 Avg Close $21.31 Range $15.31 - $27.50

Q3 2024

Shares 135,608 Value ($000) $3,523 Avg Close $22.87 Range $20.29 - $26.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	809,857	$25,543	$24.26	$12.94 - $35.55
Q3 2025	996,083	$17,431	$13.37	$9.63 - $26.47
Q4 2024	220,330	$4,061	$21.31	$15.31 - $27.50
Q3 2024	135,608	$3,523	$22.87	$20.29 - $26.19