Question 1

How many shares of MCRB does STATE STREET CORP own?

Accepted Answer

As of 2026-Q2, STATE STREET CORP holds 33,901 shares of MCRB (SERES THERAPEUTICS INC).

Question 2

What is STATE STREET CORP's MCRB position worth?

Accepted Answer

As of 2026-Q2, STATE STREET CORP's MCRB position is worth $267,479.

Question 3

When did STATE STREET CORP first buy MCRB?

Accepted Answer

Based on available 13F filings, STATE STREET CORP first reported a position in MCRB in 2025-Q2. They have held the position across 5 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Unchanged	33,901	0.0%	$267,479	0.0%	$7.89	0
2026-Q1	Unchanged	33,901	0.0%	$300,702	0.0%	$8.80	0
2025-Q4	Increased	33,901	+14.0%	$504,447	0.0%	$14.44	19
2025-Q3	Increased	29,731	+10.8%	$572,024	0.0%	$18.69	18
2025-Q2	New	26,831	-	$298,092	0.0%	$9.10	36

MCRB5 quarters

MCRB
5 quarters