Question 1

How many shares of MCRB does CHARLES SCHWAB INVESTMENT MANAGEMENT INC own?

Accepted Answer

As of 2026-Q2, CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds 31,049 shares of MCRB (SERES THERAPEUTICS INC).

Question 2

What is CHARLES SCHWAB INVESTMENT MANAGEMENT INC's MCRB position worth?

Accepted Answer

As of 2026-Q2, CHARLES SCHWAB INVESTMENT MANAGEMENT INC's MCRB position is worth $244,977.

Question 3

Is CHARLES SCHWAB INVESTMENT MANAGEMENT INC buying or selling MCRB?

Accepted Answer

In 2026-Q2, CHARLES SCHWAB INVESTMENT MANAGEMENT INC decreased their MCRB position (-1.8% change in shares).

Question 4

When did CHARLES SCHWAB INVESTMENT MANAGEMENT INC first buy MCRB?

Accepted Answer

Based on available 13F filings, CHARLES SCHWAB INVESTMENT MANAGEMENT INC first reported a position in MCRB in 2024-Q3. They have held the position across 31 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	31,049	-1.8%	$244,977	0.0%	$7.89	0
2026-Q1	Increased	31,630	+0.8%	$280,558	0.0%	$8.80	16
2025-Q4	Decreased	31,369	-0.1%	$466,771	0.0%	$14.44	0
2025-Q3	Decreased	31,403	-10.0%	$604,194	0.0%	$18.69	0
2025-Q2	Decreased	34,876	-95.8%	$387,472	0.0%	$9.10	0
2025-Q1	Decreased	834,107	-3.7%	$583,958	0.0%	$14.42	0
2024-Q4	Increased	865,825	+15.6%	$719,501	0.0%	$16.62	28
2024-Q3	Increased	748,718	+42.4%	$708,362	0.0%	$18.38	33