Stock Ownership/SMMT

Summit Therapeutics Inc. (SMMT): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in SMMT · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
18
13F filers
Aggregate Value
$722.0M
Across holders
Last Price
$12.73
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity11 increased5 reduced2 exited
Full exits: Lighthouse Investment Partners, LLC, TUDOR INVESTMENT CORP ET AL
Institutional Holders of SMMT
↗
18 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
BAKER BROS. ADVISORS LP
CIK 0001263508
Hedge Fund32.79M$477.7M66.2%2.4%Reduced$-52.5MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund3.70M$53.9M7.5%0.1%Added+$53.6MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund2.35M$34.2M4.7%0.0%Added+$32.4MQ2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund1.99M$29.0M4.0%0.0%Added—Q2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund1.90M$27.7M3.8%0.0%Added+$27.7MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund1.73M$25.1M3.5%0.0%Added+$23.5MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund1.59M$23.2M3.2%0.0%Added+$14.2MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund1.24M$18.1M2.5%0.0%Reduced+$14.6MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund697K$10.2M1.4%0.0%Reduced$-4.1MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund577K$8.4M1.2%0.0%Added+$7.4MQ2 2026
BAKER BROS. ADVISORS LPReduced
Hedge Fund
$477.7M· 66.2% of total· 2.4% port· 32.79M sh· $-52.5M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$53.9M· 7.5% of total· 0.1% port· 3.70M sh· +$53.6M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$34.2M· 4.7% of total· 0.0% port· 2.35M sh· +$32.4M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Added
Hedge Fund
$29.0M· 4.0% of total· 0.0% port· 1.99M sh· — QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$27.7M· 3.8% of total· 0.0% port· 1.90M sh· +$27.7M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$25.1M· 3.5% of total· 0.0% port· 1.73M sh· +$23.5M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$23.2M· 3.2% of total· 0.0% port· 1.59M sh· +$14.2M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$18.1M· 2.5% of total· 0.0% port· 1.24M sh· +$14.6M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$10.2M· 1.4% of total· 0.0% port· 697K sh· $-4.1M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$8.4M· 1.2% of total· 0.0% port· 577K sh· +$7.4M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$7.9M· 1.1% of total· 0.0% port· 542K sh· +$7.9M QoQ· Q2 2026
Woodline Partners LPUnchanged
Hedge Fund
$3.1M· 0.4% of total· 0.0% port· 215K sh· +$0 QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$1.3M· 0.2% of total· 0.0% port· 92K sh· +$1.0M QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$801K· 0.1% of total· 0.0% port· 55K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$658K· 0.1% of total· 0.0% port· 45K sh· — QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$455K· 0.1% of total· 0.0% port· 31K sh· $-72K QoQ· Q2 2026
Gotham Asset Management, LLCUnchanged
Hedge Fund
$229K· 0.0% of total· 0.0% port· 16K sh· +$0 QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$146· 0.0% of total· 0.0% port· 10 sh· +$0 QoQ· Q2 2026
1–10 of 18
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