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Summit Therapeutics

211 hedge funds and large institutions have $1.89B invested in Summit Therapeutics in 2025 Q1 according to their latest regulatory filings, with 42 funds opening new positions, 78 increasing their positions, 69 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

4% more funds holding

Funds holding: 203211 (+8)

0.69% more ownership

Funds ownership: 12.56%13.25% (+0.69%)

31% less call options, than puts

Call options by funds: $45.5M | Put options by funds: $65.7M

Holders
211
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$45.5M
Puts
$65.7M
Net Calls
Net Calls Change

Top Buyers

1 +$25.4M
2 +$25M
3 +$24.7M
4
Citadel Advisors
Citadel Advisors
Florida
+$15.7M
5
SL
Siren LLC
Connecticut
+$13.4M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$1.13M
77
$1.05M
78
$1.04M
79
$1.03M
80
$965K
81
$910K
82
$907K
83
$897K
84
$894K
85
$869K
86
$856K
87
$827K
88
$817K
89
$794K
90
$784K
91
$781K
92
$756K
93
$721K
94
$721K
95
$716K
96
$709K
97
$699K
98
$698K
99
$673K
100
$638K