SERES THERAPEUTICS INC

Ticker: MCRB CUSIP: 81750R201 Class: Stock

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

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

Q4 2025

Shares 31,369 Value ($000) $467 Avg Close $17.44 Range $12.48 - $29.98

Q3 2025

Shares 31,403 Value ($000) $604 Avg Close $15.96 Range $9.80 - $24.66

Q2 2025

Shares 34,876 Value ($000) $387 Avg Close $8.80 Range $6.53 - $14.58

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	31,369	$467	$17.44	$12.48 - $29.98
Q3 2025	31,403	$604	$15.96	$9.80 - $24.66
Q2 2025	34,876	$387	$8.80	$6.53 - $14.58