MBX BIOSCIENCES INC

Ticker: MBX CUSIP: 55287L101 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2025

Shares 1,408,159 Value ($000) $44,413 Avg Close $24.26 Range $12.94 - $35.55

Q3 2025

Shares 1,539,639 Value ($000) $26,944 Avg Close $13.37 Range $9.63 - $26.47

Q2 2025

Shares 1,571,906 Value ($000) $17,935 Avg Close $10.19 Range $4.81 - $14.34

Q1 2025

Shares 1,579,207 Value ($000) $11,655 Avg Close $10.57 Range $7.16 - $19.39

Q4 2024

Shares 1,581,760 Value ($000) $29,152 Avg Close $21.31 Range $15.31 - $27.50

Q3 2024

Shares 981,322 Value ($000) $25,495 Avg Close $22.87 Range $20.29 - $26.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,408,159	$44,413	$24.26	$12.94 - $35.55
Q3 2025	1,539,639	$26,944	$13.37	$9.63 - $26.47
Q2 2025	1,571,906	$17,935	$10.19	$4.81 - $14.34
Q1 2025	1,579,207	$11,655	$10.57	$7.16 - $19.39
Q4 2024	1,581,760	$29,152	$21.31	$15.31 - $27.50
Q3 2024	981,322	$25,495	$22.87	$20.29 - $26.19