Summit Therapeutics SMMT Institutional Ownership

NASDAQ SMMT

$16.40 +0.92 (+5.94%)

As of: Sep 29, 2026 · 3:59 PM EDT

Institutions by Trading Activity

247 Institutions

Increased 156 63.2%

Unchanged 32 13.0%

Reduced 59 23.9%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

17.59%

▲+2.25 pp QoQ

Shares Held by Institutions

136.88Mn

of 778.18Mn outstanding

▲+17.35% QoQ

Shares Outstanding

778.18Mn

641.31Mn held outside 13F filers

Institutional Investors

247

filed 13F for Jun 2026

▲+24 vs prior quarter

Net Shares Added (QoQ)

+20.24Mn

accumulated since last quarter

Value of Holdings

$2.12Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Summit Therapeutics Inc. (NASDAQ:SMMT) has 247 institutional investors with active 13F positions as of June 2026.

They owned 17.6% of outstanding stock in June 2026, up from 15.3% the prior quarter.
They increased total shares held in Summit Therapeutics by 17.35% from the prior quarter, while the number of investors in SMMT increased 4.22% year over year.
Of these 247 holders, 156 added to their stakes in Summit Therapeutics, 59 trimmed positions, and 32 made no changes.
Altogether, these fund groups held 136.88Mn shares in SMMT by June 2026, up by 20.24Mn shares quarter on quarter, and up 39.76Mn shares year over year.
BAKER BROS. ADVISORS LP leads ownership in SMMT with 32.79Mn shares as of June 30, 2026, equal to 4.21% of outstanding shares.
The largest buyers of Summit Therapeutics for the quarter ending June 2026 were Goldman Sachs Group Inc (4.2Mn), Point72 Asset Management, L.P. (2.91Mn), State Street Corp (2.51Mn), MILLENNIUM MANAGEMENT LLC (2.22Mn), ADAGE CAPITAL PARTNERS GP, L.L.C. (1.99Mn).
Leading sellers of Summit Therapeutics shares for the quarter ending June 2026 were PRICE T ROWE ASSOCIATES INC /MD/ (4.38Mn), BAKER BROS. ADVISORS LP (3.6Mn), D. E. Shaw & Co., Inc. (998.67K), FMR LLC (809.25K), TD ASSET MANAGEMENT INC (530.81K).
According to Business Quant data, leading holders of SMMT for June 2026 are BAKER BROS. ADVISORS LP (32.79Mn), FMR LLC (10.04Mn), State Street Corp (9.54Mn), BlackRock, Inc. (9.53Mn), VANGUARD CAPITAL MANAGEMENT LLC (5.73Mn), UBS Group AG (5.23Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (5.04Mn), Goldman Sachs Group Inc (4.51Mn), PRICE T ROWE ASSOCIATES INC /MD/ (3.89Mn), Point72 Asset Management, L.P. (3.7Mn).

Form 13F Holdings

247 Institutional Holders

Report period 30 Jun, 2026

Total shares held 136.88Mn

Of outstanding 17.59%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BAKER BROS. ADVISORS LP	0001263508	32,786,348	4.21%	▼3,604,715	-9.91%	$477.70Mn
2	FMR LLC	0000315066	10,043,947	1.29%	▼809,252	-7.46%	$146.34Mn
3	State Street Corp	0000093751	9,536,796	1.23%	▲2,508,636	+35.69%	$138.95Mn
4	BlackRock, Inc.	0002012383	9,529,041	1.22%	▼124,717	-1.29%	$138.84Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	5,734,484	0.74%	▲22,682	+0.40%	$83.55Mn
6	UBS Group AG	0001610520	5,233,798	0.67%	▲1,553,483	+42.21%	$76.26Mn
7	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	5,042,190	0.65%	▼191,062	-3.65%	$73.46Mn
8	Goldman Sachs Group Inc	0000886982	4,513,399	0.58%	▲4,202,671	+1,352.52%	$65.76Mn
9	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	3,893,820	0.50%	▼4,384,039	-52.96%	$56.73K
10	Point72 Asset Management, L.P.	0001603466	3,697,803	0.48%	▲2,913,617	+371.55%	$53.88Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	3,427,263	0.44%	▲111,409	+3.36%	$49.95Mn
12	MILLENNIUM MANAGEMENT LLC	0001273087	2,349,081	0.30%	▲2,222,808	+1,760.32%	$34.23Mn
13	ADAGE CAPITAL PARTNERS GP, L.L.C.	0001165408	1,989,591	0.26%	▲1,989,591	0.00%	$28.99Mn
14	BALYASNY ASSET MANAGEMENT L.P.	0001218710	1,904,254	0.24%	▲1,355,919	+247.28%	$27.74Mn
15	CITADEL ADVISORS LLC	0001423053	1,725,716	0.22%	▲1,283,973	+290.66%	$25.14Mn
16	Aberdeen Group plc	0001716774	1,693,626	0.22%	▲1,028,262	+154.54%	$24.68Mn
17	Squarepoint Ops LLC	0001642575	1,590,736	0.20%	▲976,859	+159.13%	$23.18Mn
18	Morgan Stanley	0000895421	1,450,019	0.19%	▼200,572	-12.15%	$21.13Mn
19	NORGES BANK	0001374170	1,382,519	0.18%	▲1,382,519	0.00%	$20.14Mn
20	Logos Global Management LP	0001792126	1,350,000	0.17%	▲1,350,000	0.00%	$19.67Mn

Showing 1 to 20 of 247 holders