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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
51
$2.55M
52
$2.54M
53
$2.44M
54
$2.4M
55
$2.4M
56
$2.26M
57
$2.19M
58
$2.12M
59
$2.03M
60
$1.89M
61
$1.89M
62
$1.88M
63
$1.86M
64
$1.8M
65
$1.79M
66
$1.77M
67
$1.76M
68
$1.72M
69
$1.63M
70
$1.34M
71
$1.31M
72
$1.28M
73
$1.27M
74
$1.27M
75
$1.17M