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 2018-Q4. 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
2024-Q2	Decreased	525,947	-29.6%	$380,680	0.0%	$14.48	0
2024-Q1	Increased	747,318	+10.5%	$578,499	0.0%	$15.48	27
2023-Q4	Decreased	676,387	-10.6%	$946,942	0.0%	$28.00	0
2023-Q3	Increased	756,567	+5.9%	$1.8M	0.0%	$47.60	27
2023-Q2	Increased	714,269	+12.7%	$3.4M	0.0%	$93.80	30
2023-Q1	Decreased	633,869	-0.5%	$3.6M	0.0%	$107.00	0
2022-Q4	Increased	636,898	+2.2%	$3.6M	0.0%	$112.00	27
2022-Q3	Increased	623,060	+32.2%	$4M	0.0%	$122.60	34
2022-Q2	Decreased	471,388	-2.2%	$1.6M	0.0%	$63.00	0
2022-Q1	Increased	482,178	+2.5%	$3.4M	0.0%	$144.00	27
2021-Q4	Increased	470,292	+0.9%	$3.9M	0.0%	$171.00	27
2021-Q3	Increased	465,883	+10.9%	$3.2M	0.0%	$136.20	29
2021-Q2	Increased	420,165	+9.9%	$10M	0.0%	$477.80	30
2021-Q1	Increased	382,377	+2.7%	$7.9M	0.0%	$388.60	28
2020-Q4	Increased	372,308	+8.6%	$9.1M	0.0%	$525.00	30
2020-Q3	Decreased	342,693	-17.6%	$9.7M	0.0%	$574.80	0
2020-Q2	Increased	415,888	+6.8%	$2M	0.0%	$93.40	28
2020-Q1	Increased	389,467	+1.2%	$1.4M	0.0%	$74.00	26
2019-Q4	Increased	384,909	+0.9%	$1.3M	0.0%	$73.40	26
2019-Q3	Increased	381,413	+36.9%	$1.5M	0.0%	$78.60	33
2019-Q2	Increased	278,550	+105.6%	$897,000	0.0%	$64.40	40
2019-Q1	Increased	135,499	+11.4%	$931,000	0.0%	$137.40	28
2018-Q4	New	121,585	-	$550,000	0.0%	$95.60	34

MCRB31 quarters

MCRB
31 quarters