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Seres Therapeutics
MCRB

Overview Fund Activity

33 hedge funds and large institutions have $25.4M invested in Seres Therapeutics in 2025 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 9 increasing their positions, 13 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
33
Holders Change
-31
Holders Change %
-48.44%
% of All Funds
0.44%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
8
Increased
9
Reduced
13
Closed
38
Calls
$2.23M
Puts
$253K
Net Calls
+$1.98M
Net Calls Change
+$1.89M

Top Buyers

1
Marshall Wace
Marshall Wace
United Kingdom
$1.02M
2
Vontobel Holding
Vontobel Holding
Switzerland
$892K
3
XT
XTX Topco
Cayman Islands
$249K
4
Squarepoint
Squarepoint
New York
$232K
5
BlackRock
BlackRock
New York
$1.13M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$2.99M
2
UBS Group
UBS Group
Switzerland
$83.7K
3
Susquehanna International Group
Susquehanna International Group
Pennsylvania
$130K
4
Vanguard Group
Vanguard Group
Pennsylvania
$3.25M
5
Invesco
Invesco
Georgia
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
PWA
26
Physician Wealth Advisors
Utah
$1.58K +$1.58K +142 New
JPMorgan Chase & Co
27
JPMorgan Chase & Co
New York
$722 – – –
Raymond James Financial
28
Raymond James Financial
Florida
$623 +$623 +56 New
US Bancorp
29
US Bancorp
Minnesota
$278 +$278 +25 New
Osaic Holdings
30
Osaic Holdings
Arizona
$132 +$125 +152 +1,900%
Wells Fargo
31
Wells Fargo
California
$111 -$4.22K -380 -97%
Citigroup
32
Citigroup
New York
$100 -$22 -2 -18%
WT
33
Whittier Trust
California
$11 -$11 -1 -50%
Invesco
34
Invesco
Georgia
– -$95.6K -6,829 Closed
PWA
35
Providence Wealth Advisors
Illinois
– -$71.4K -5,250 Closed
LPL Financial
36
LPL Financial
California
– -$66.6K -4,757 Closed
Goldman Sachs
37
Goldman Sachs
New York
– -$52.2K -3,731 Closed
Tudor Investment Corp
38
Tudor Investment Corp
Connecticut
– -$43.4K -3,099 Closed
SSA
39
Schonfeld Strategic Advisors
New York
– -$35.9K -2,565 Closed
VPIM
40
Vanguard Personalized Indexing Management
California
– -$35.5K -2,536 Closed
EGM
41
Engineers Gate Manager
New York
– -$33.4K -2,382 Closed
AAS
42
Avantax Advisory Services
Texas
– -$31.6K -2,259 Closed
KAS
43
Kestra Advisory Services
Texas
– -$26.9K -1,924 Closed
CF
44
Cantor Fitzgerald
New York
– -$26.2K -1,874 Closed
IIM
45
Ironwood Investment Management
Massachusetts
– -$25.5K -1,825 Closed
Two Sigma Investments
46
Two Sigma Investments
New York
– -$22.6K -1,616 Closed
Millennium Management
47
Millennium Management
New York
– -$20.7K -1,478 Closed
TSS
48
Two Sigma Securities
New York
– -$17.9K -1,279 Closed
AWA
49
Arete Wealth Advisors
Illinois
– -$15K -1,045 Closed
Janney Montgomery Scott
50
Janney Montgomery Scott
Pennsylvania
– -$14K -1,000 Closed
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