Seres Therapeutics, Inc. Common Stock — Institutional Ownership

Which tracked institutions hold MCRB, and how they changed the position last quarter. Latest holdings as of Mar 31, 2026. Source: SEC 13-F filings.

9
Funds holding
$1805460
Total value held
Buying
5 added/new · 2 reduced
# Institution Value Shares Δ Shares Change (QoQ)
1 Blackrock, Inc. $904970 102026 -1595 -1.54%
2 State Street Corp $300702 33901 Held
3 Invesco Ltd. $213677 14360 +3918 +37.52%
4 Morgan Stanley $192478 21700 -3426 -13.64%
5 Northern Trust Corp $130966 14765 Held
6 Barclays Plc $57717 6507 NEW BUY
7 Wells Fargo & Company/Mn $3869 260 +250 +2500.00%
8 Royal Bank Of Canada $1000 107 NEW BUY
9 Amalgamated Financial Corp. $81 11332 NEW BUY

Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.