Question 1

Does XTX Topco own MCRB stock?

Accepted Answer

Yes. As of its Q2 2026 13F, XTX Topco holds 20,732 shares of MCRB (Seres Therapeutics), worth $163,575.

Question 2

How many shares of MCRB does XTX Topco own?

Accepted Answer

As of its Q2 2026 13F, XTX Topco holds 20,732 shares of MCRB (Seres Therapeutics).

Question 3

What is XTX Topco's MCRB position worth?

Accepted Answer

As of its Q2 2026 13F, XTX Topco's MCRB position is worth $163,575.

Question 4

Is XTX Topco buying or selling MCRB?

Accepted Answer

In Q2 2026, XTX Topco opened a new MCRB position of 20,732 shares.

Question 5

When did XTX Topco first buy MCRB?

Accepted Answer

XTX Topco already held MCRB in its Q2 2025 13F, the earliest on record, and has listed it in 2 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	New	20,732	-	$163,575	0.0%	$7.89	31
2025-Q3	Exited	0	-100.0%	$0	0.0%	$18.69	0
2025-Q2	New	22,417	-	$249,053	0.0%	$9.10	32

MCRB3 quarters

MCRB
3 quarters