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Seres Therapeutics
MCRB

Overview Fund Activity

64 hedge funds and large institutions have $43.1M invested in Seres Therapeutics in 2025 Q1 according to their latest regulatory filings, with 6 funds opening new positions, 16 increasing their positions, 14 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
64
Holders Change
-5
Holders Change %
-7.25%
% of All Funds
0.87%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
6
Increased
16
Reduced
14
Closed
11
Calls
$132K
Puts
$39K
Net Calls
+$93K
Net Calls Change
-$2.38M

Top Buyers

1
UBS Group
1
UBS Group
Switzerland
$1.02M
2
Susquehanna International Group
2
Susquehanna International Group
Pennsylvania
$502K
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$4.26M
4
TCM
4
Tang Capital Management
California
$143K
5
Vontobel Holding
5
Vontobel Holding
Switzerland
$760K

Top Sellers

1
Morgan Stanley
1
Morgan Stanley
New York
$105K
2
Millennium Management
2
Millennium Management
New York
$20.7K
3
HighTower Advisors
3
HighTower Advisors
Illinois
$0
4
Jane Street
4
Jane Street
New York
$0
5
CF
5
Cantor Fitzgerald
New York
$26.2K
Name Holding Trade Value Shares
Change 		Shares
Change %
Barclays
51
Barclays
United Kingdom
$1K – – –
JPMorgan Chase & Co
52
JPMorgan Chase & Co
New York
$913 – – –
TFM
53
TFC Financial Management
Massachusetts
$701 – – –
CA
54
Continuum Advisory
Idaho
$669 – – –
EWA
55
EverSource Wealth Advisors
Alabama
$466 – – –
SSB
56
Sandy Spring Bank
Maryland
$242 – – –
Citigroup
57
Citigroup
New York
$151 -$2.38K -173 -94%
Nisa Investment Advisors
58
Nisa Investment Advisors
Missouri
$140 -$70 -5 -33%
FFA
59
Farther Finance Advisors
California
$138 – – –
SIS
60
Sound Income Strategies
Florida
$123 – – –
Osaic Holdings
61
Osaic Holdings
Arizona
$112 -$168 -12 -60%
Jones Financial Companies
62
Jones Financial Companies
Missouri
$35 – – –
Citadel Advisors
63
Citadel Advisors
Florida
$34 – – –
WT
64
Whittier Trust
California
$21 – – –
HighTower Advisors
65
HighTower Advisors
Illinois
– -$58.2K -3,500 Closed
Jane Street
66
Jane Street
New York
– -$48.8K -2,937 Closed
HF
67
HRT Financial
New York
– -$22K -1,343 Closed
CFM
68
Catalyst Funds Management
Australia
– -$20.7K -1,245 Closed
Simplex Trading
69
Simplex Trading
Illinois
– -$20K -1,238 Closed
XT
70
XTX Topco
Cayman Islands
– -$13.5K -815 Closed
CCFM
71
Clear Creek Financial Management
Washington
– -$10.8K -648 Closed
TRCT
72
Tower Research Capital (TRC)
New York
– -$7.75K -466 Closed
PNC Financial Services Group
73
PNC Financial Services Group
Pennsylvania
– -$529 -32 Closed
BIA
74
Bell Investment Advisors
California
– -$508 -31 Closed
LFG
75
Larson Financial Group
Missouri
– -$195 -12 Closed
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