Summit Therapeutics Inc.

SMMTNASDAQ

$17.27+0.52 (+3.07% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Summit Therapeutics Inc. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-22.0%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Baker Bros. Advisors LP	4.13%	$478M	2.39%	Reduce 9.91%
FMR LLC	1.27%	$146M	0.01%	Not reported
State Street Corp	1.20%	$139M	0.00%	Not reported
BlackRock, Inc.	1.20%	$139M	0.00%	Not reported
Vanguard Capital Management LLC	0.72%	$83.6M	0.00%	Not reported
UBS Group AG	0.66%	$76.3M	0.01%	Not reported
Vanguard Portfolio Management LLC	0.64%	$73.5M	0.00%	Not reported
Goldman Sachs Group Inc	0.57%	$65.8M	0.01%	Not reported
Point72 Asset Management, L.P.	0.47%	$53.9M	0.06%	Not reported
Geode Capital Management, LLC	0.43%	$50M	0.00%	Not reported
Millennium Management LLC	0.30%	$34.2M	0.01%	Not reported
Adage Capital Partners GP, L.L.C.	0.25%	$29M	0.04%	New Not reported
Balyasny Asset Management L.P.	0.24%	$27.7M	0.03%	Not reported
Citadel Advisors LLC	0.22%	$25.1M	0.00%	Not reported
Aberdeen Group plc	0.21%	$24.7M	0.03%	Add 154.54%
Squarepoint Ops LLC	0.20%	$23.2M	0.03%	Not reported
Morgan Stanley	0.18%	$21.1M	0.00%	Not reported
Norges Bank	0.17%	$20.1M	0.00%	Not reported
Logos Global Management LP	0.17%	$19.7M	0.85%	New Not reported
Octagon Capital Advisors LP	0.16%	$18.2M	1.64%	New Not reported
D. E. Shaw & Co., Inc.	0.16%	$18.1M	0.01%	Not reported
Kynam Capital Management, LP	0.15%	$17.5M	0.97%	New Not reported
Pictet Asset Management Holding SA	0.14%	$16.4M	0.02%	Reduce 14.27%
Charles Schwab Investment Management Inc	0.12%	$14.2M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.12%	$14.1M	0.00%	Not reported
APEIRON CAPITAL Ltd	0.12%	$14M	9.00%	Reduce 26.53%
Bank of America Corp	0.11%	$12.6M	0.00%	Not reported
Schroder Investment Management Group	0.11%	$12M	0.01%	Add 232.53%
Rock Springs Capital Management LP	0.09%	$10.4M	0.51%	Add 0.70%
Citigroup Inc	0.09%	$10.4M	0.00%	Not reported
Two Sigma Investments, LP	0.09%	$10.2M	0.01%	Not reported
Northern Trust Corp	0.08%	$9.23M	0.00%	Not reported
Marshall Wace, LLP	0.07%	$8.41M	0.01%	Not reported
AQR Capital Management LLC	0.07%	$7.9M	0.00%	Not reported
Susquehanna International Group, LLP	0.07%	$7.6M	0.00%	Not reported
Elmind Capital, LP	0.06%	$7.19M	1.81%	New Not reported
Wellington Management Group LLP	0.06%	$6.44M	0.00%	Add 21.79%
Bank of New York Mellon Corp	0.05%	$6.28M	0.00%	Not reported
Worldquant Millennium Advisors LLC	0.05%	$6.28M	0.02%	Add 639.68%
Invesco Ltd.	0.05%	$6.07M	0.00%	Not reported
Jump Financial, LLC	0.05%	$5.68M	0.05%	Not reported
Ghisallo Capital Management LLC	0.04%	$5.1M	0.10%	Not reported
Manufacturers Life Insurance Company, the	0.04%	$4.34M	0.00%	Not reported
Nuveen, LLC	0.04%	$4.3M	0.00%	Not reported
BNP Paribas Financial Markets	0.03%	$4.01M	0.00%	Not reported
Dark Forest Capital Management LP	0.03%	$3.55M	0.23%	Not reported
Deutsche Bank Ag\	0.03%	$3.49M	0.00%	Not reported
Polymer Capital Management (HK) LTD	0.03%	$3.28M	0.17%	Add 69.02%
Sectoral Asset Management Inc	0.03%	$3.21M	2.24%	Not reported
Woodline Partners LP	0.03%	$3.13M	0.01%	Not reported

50 of 221 holders

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