SMMT Summit Therapeutics Inc.

NASDAQ
$14.33

Summit Therapeutics Inc. (SMMT) Institutional Ownership

What the institutions did with SMMT last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.

Managers reporting
273
filed a 13F this quarter
Managers holding
238
+19 on the quarter
Buyers
151
54 opened new
Sellers
92
35 sold out entirely
Buyer share
62.1%
of managers who traded it
Breadth
+24.3
net buyers, as a share of those trading

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Largest holders

Manager Shares % of reported
BAKER BROS. ADVISORS LP 32.8M 24.1%
FMR LLC 10.0M 7.4%
STATE STREET CORP 9.5M 7.0%
BlackRock, Inc. 9.5M 7.0%
VANGUARD CAPITAL MANAGEMENT LLC 5.7M 4.2%
UBS Group AG 5.2M 3.8%
VANGUARD PORTFOLIO MANAGEMENT LLC 5.0M 3.7%
GOLDMAN SACHS GROUP INC 4.5M 3.3%
PRICE T ROWE ASSOCIATES INC /MD/ 3.9M 2.9%
Point72 Asset Management, L.P. 3.7M 2.7%
GEODE CAPITAL MANAGEMENT, LLC 3.4M 2.5%
MILLENNIUM MANAGEMENT LLC 2.3M 1.7%
ADAGE CAPITAL PARTNERS GP, L.L.C. 2.0M 1.5%
Balyasny Asset Management L.P. 1.9M 1.4%
CITADEL ADVISORS LLC 1.7M 1.3%
Aberdeen Group plc 1.7M 1.2%
Squarepoint Ops LLC 1.6M 1.2%
MORGAN STANLEY 1.5M 1.1%
NORGES BANK 1.4M 1.0%
Logos Global Management LP 1.4M 1.0%
Octagon Capital Advisors LP 1.3M 0.9%
D. E. Shaw & Co., Inc. 1.2M 0.9%
Kynam Capital Management, LP 1.2M 0.9%
Pictet Asset Management Holding SA 1.1M 0.8%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 976.9K 0.7%

Largest changes

Manager Action Previous Current Change
PRICE T ROWE ASSOCIATES INC /MD/ Reduced 8.3M 3.9M -4.4M
GOLDMAN SACHS GROUP INC Increased 310.7K 4.5M +4.2M
BAKER BROS. ADVISORS LP Reduced 36.4M 32.8M -3.6M
Point72 Asset Management, L.P. Increased 784.2K 3.7M +2.9M
STATE STREET CORP Increased 7.0M 9.5M +2.5M
MILLENNIUM MANAGEMENT LLC Increased 126.3K 2.3M +2.2M
ADAGE CAPITAL PARTNERS GP, L.L.C. New 0 2.0M +2.0M
UBS Group AG Increased 3.7M 5.2M +1.6M
Balyasny Asset Management L.P. Increased 548.3K 1.9M +1.4M
Logos Global Management LP New 0 1.4M +1.4M
CITADEL ADVISORS LLC Increased 441.7K 1.7M +1.3M
Octagon Capital Advisors LP New 0 1.3M +1.3M
Kynam Capital Management, LP New 0 1.2M +1.2M
Aberdeen Group plc Increased 665.4K 1.7M +1.0M
D. E. Shaw & Co., Inc. Reduced 2.2M 1.2M -998.7K
Squarepoint Ops LLC Increased 613.9K 1.6M +976.9K
SUPERSTRING CAPITAL MANAGEMENT LP Sold Out 892.9K 0 -892.9K
FMR LLC Reduced 10.9M 10.0M -809.3K
SCHRODER INVESTMENT MANAGEMENT GROUP Increased 251.4K 836.0K +584.6K
TD Asset Management Inc Reduced 956.9K 426.1K -530.8K
CITIGROUP INC Increased 199.1K 714.0K +514.9K
Elmind Capital, LP New 0 493.8K +493.8K
TUDOR INVESTMENT CORP ET AL Sold Out 385.0K 0 -385.0K
WORLDQUANT MILLENNIUM ADVISORS LLC Increased 58.3K 431.0K +372.8K
Ghisallo Capital Management LLC New 0 350.0K +350.0K

13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.