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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
101
$574K
102
$567K
103
$539K
104
$485K
105
$481K
106
$474K
107
$463K
108
$443K
109
$443K
110
$427K
111
$408K
112
$394K
113
$394K
114
$387K
115
$384K
116
$384K
117
$380K
118
$376K
119
$367K
120
$340K
121
$317K
122
$308K
123
$304K
124
$302K
125
$296K