FMR LLC

Holdings History for Seres Therapeutics, Inc. - COMMON STOCK (MCRB)

Symbol: MCRB on Nasdaq
Investment type: Equity / COMMON STOCK
Latest Disclosed Shares Owned: 268,704 shares
Security Ownership %: 3.1%

Shares, Excluding Options vs Price

Value, Excluding Options

FMR LLC ownership in Seres Therapeutics, Inc. COMMON STOCK (MCRB)

06 Aug 2025 - FMR LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 268,704 shares of Seres Therapeutics, Inc. COMMON STOCK (MCRB). This represents 3.1% ownership of the company. In their previous filing dated 06 Jun 2025, FMR LLC had reported owning 493,608 shares, indicating a decrease of +46%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
FMR LLC	3.1%	-43%	$3,377,609	268,704	-224,904	-46%	$12.57	13G/A	30 Jun 2025	06 Aug 2025, 12:23
FMR LLC	5.7%		$3,484,872	493,608			$7.06	13G/A	30 May 2025	06 Jun 2025, 10:03

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0%	0%	$25,891	1,740	-142	-7.5%	$14.88	Q4 2025
30 Sep 2025	0%	-0%	$36,209	1,882	-266,822	-99%	$19.24	Q3 2025
30 Jun 2025	0%	+0%	$2,985,301	268,704	+268,704	NEW	$11.11	Q2 2025

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.