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Seres Therapeutics
MCRB

Overview Fund Activity

32 hedge funds and large institutions have $25.3M invested in Seres Therapeutics in 2025 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 1 increasing their positions, 22 reducing their positions, and 38 closing their positions.

Holders
32
Holders Change
-32
Holders Change %
-50%
% of All Funds
0.43%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
8
Increased
1
Reduced
22
Closed
38
Calls
$1.31M
Puts
$60K
Net Calls
+$1.25M
Net Calls Change
+$1.16M

Top Buyers

1
Marshall Wace
1
Marshall Wace
United Kingdom
$1.02M
2
XT
2
XTX Topco
Cayman Islands
$249K
3
Squarepoint
3
Squarepoint
New York
$232K
4
Royal Bank of Canada
4
Royal Bank of Canada
Ontario, Canada
$77K
5
AUB
5
Atlantic Union Bankshares
Virginia
$4.57K

Top Sellers

1
FP
1
Flagship Pioneering
Massachusetts
$12.8M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$2.99M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.25M
4
BlackRock
4
BlackRock
New York
$1.13M
5
Geode Capital Management
5
Geode Capital Management
Massachusetts
$1.02M
Name Market Value Shares Shares
Change 		Shares
Change %
JPMorgan Chase & Co
26
JPMorgan Chase & Co
New York
$722 65 -1,239 -95%
Raymond James Financial
27
Raymond James Financial
Florida
$623 56 +56 New
US Bancorp
28
US Bancorp
Minnesota
$278 25 +25 New
Osaic Holdings
29
Osaic Holdings
Arizona
$132 160 – –
Wells Fargo
30
Wells Fargo
California
$111 10 -7,790 -100%
Citigroup
31
Citigroup
New York
$100 9 -206 -96%
WT
32
Whittier Trust
California
$11 1 -29 -97%
Invesco
33
Invesco
Georgia
– – -136,572 Closed
PWA
34
Providence Wealth Advisors
Illinois
– – -105,000 Closed
LPL Financial
35
LPL Financial
California
– – -95,137 Closed
Goldman Sachs
36
Goldman Sachs
New York
– – -74,629 Closed
Tudor Investment Corp
37
Tudor Investment Corp
Connecticut
– – -61,977 Closed
SSA
38
Schonfeld Strategic Advisors
New York
– – -51,300 Closed
VPIM
39
Vanguard Personalized Indexing Management
California
– – -50,720 Closed
EGM
40
Engineers Gate Manager
New York
– – -47,637 Closed
AAS
41
Avantax Advisory Services
Texas
– – -45,179 Closed
KAS
42
Kestra Advisory Services
Texas
– – -38,471 Closed
CF
43
Cantor Fitzgerald
New York
– – -37,475 Closed
IIM
44
Ironwood Investment Management
Massachusetts
– – -36,494 Closed
Two Sigma Investments
45
Two Sigma Investments
New York
– – -32,328 Closed
Millennium Management
46
Millennium Management
New York
– – -29,550 Closed
TSS
47
Two Sigma Securities
New York
– – -25,588 Closed
AWA
48
Arete Wealth Advisors
Illinois
– – -20,900 Closed
Stifel Financial
49
Stifel Financial
Missouri
– – -20,000 Closed
Janney Montgomery Scott
50
Janney Montgomery Scott
Pennsylvania
– – -20,000 Closed
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