MBX BIOSCIENCES INC

Ticker: MBX CUSIP: 55287L101 Class: Common Stock

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 222,180 Value ($000) $7,008 Avg Close $24.26 Range $12.94 - $35.55

Q3 2025

Shares 170,006 Value ($000) $2,975 Avg Close $13.37 Range $9.63 - $26.47

Q2 2025

Shares 107,483 Value ($000) $1,226 Avg Close $10.19 Range $4.81 - $14.34

Q1 2025

Shares 94,546 Value ($000) $698 Avg Close $10.57 Range $7.16 - $19.39

Q4 2024

Shares 93,311 Value ($000) $1,720 Avg Close $21.31 Range $15.31 - $27.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	222,180	$7,008	$24.26	$12.94 - $35.55
Q3 2025	170,006	$2,975	$13.37	$9.63 - $26.47
Q2 2025	107,483	$1,226	$10.19	$4.81 - $14.34
Q1 2025	94,546	$698	$10.57	$7.16 - $19.39
Q4 2024	93,311	$1,720	$21.31	$15.31 - $27.50