Summit Therapeutics SMMT Institutional Ownership

NASDAQ SMMT

$15.27 -0.56 (-3.51%)

As of: Oct 22, 2026 · 2:35 PM EDT

Institutions by Trading Activity

243 Institutions

Increased 155 63.8%

Unchanged 31 12.8%

Reduced 57 23.5%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

17.14%

▲+1.81 pp QoQ

Shares Held by Institutions

135.90Mn

of 793.12Mn outstanding

▲+14.26% QoQ

Shares Outstanding

793.12Mn

657.22Mn held outside 13F filers

Institutional Investors

243

filed 13F for Jun 2026

▲+21 vs prior quarter

Net Shares Added (QoQ)

+16.96Mn

accumulated since last quarter

Value of Holdings

$2.15Bn

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

Updated Oct 11, 2026

Summit Therapeutics Inc. (NASDAQ:SMMT) was held by 243 institutional investors that filed 13F reports for the quarter ended June 30, 2026.

These investors held 17.14% of Summit Therapeutics' outstanding shares at the end of Q2 2026, up from 15.33% in Q1 2026.
Total shares held in SMMT rose 14.26% from Q1 2026; the number of holders rose 3.40% from Q2 2025.
Of the 243 holders, 155 added to their positions, 57 reduced their stakes and 31 left their positions unchanged in Q2 2026.
Combined, institutional investors held 135.9Mn shares of SMMT as of Q2 2026, up 16.96Mn from the prior quarter and up 38.78Mn from a year earlier.
As of June 30, 2026, Baker Bros. Advisors LP held the largest stake in Summit Therapeutics with 32.79Mn shares, or 4.13% of shares outstanding.
The biggest increases in SMMT positions during Q2 2026 came from Goldman Sachs Group Inc (+4.2Mn shares), Point72 Asset Management, L.P. (+2.91Mn shares), State Street Corp (+2.51Mn shares), Millennium Management LLC (+2.22Mn shares) and UBS Group AG (+1.55Mn shares).
The biggest cuts to SMMT positions during Q2 2026 came from T. Rowe Price Associates Inc (-4.38Mn shares), Baker Bros. Advisors LP (-3.6Mn shares), D. E. Shaw & Co., Inc. (-998.67K shares), FMR LLC (-809.25K shares) and TD Asset Management Inc (-530.81K shares).
Business Quant data shows the 10 biggest positions in Summit Therapeutics as of Q2 2026 were held by Baker Bros. Advisors LP (32.79Mn shares), FMR LLC (10.04Mn shares), State Street Corp (9.54Mn shares), BlackRock, Inc. (9.53Mn shares), Vanguard Capital Management LLC (5.73Mn shares), UBS Group AG (5.23Mn shares), Vanguard Portfolio Management LLC (5.04Mn shares), Goldman Sachs Group Inc (4.51Mn shares), T. Rowe Price Associates Inc (3.89Mn shares) and Point72 Asset Management, L.P. (3.7Mn shares).

Form 13F Holdings

246 Institutional Holders

Report period 30 Jun, 2026

Total shares held 135.90Mn

Of outstanding 17.14%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BAKER BROS. ADVISORS LP	0001263508	32,786,348	4.13%	▼3,604,715	-9.91%	$477.70Mn
2	FMR LLC	0000315066	10,043,947	1.27%	▼809,252	-7.46%	$146.34Mn
3	State Street Corp	0000093751	9,536,796	1.20%	▲2,508,636	+35.69%	$138.95Mn
4	BlackRock, Inc.	0002012383	9,529,041	1.20%	▼124,717	-1.29%	$138.84Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	5,734,484	0.72%	▲22,682	+0.40%	$83.55Mn
6	UBS Group AG	0001610520	5,233,798	0.66%	▲1,553,483	+42.21%	$76.26Mn
7	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	5,042,190	0.64%	▼191,062	-3.65%	$73.46Mn
8	Goldman Sachs Group Inc	0000886982	4,513,399	0.57%	▲4,202,671	+1,352.52%	$65.76Mn
9	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	3,893,820	0.49%	▼4,384,039	-52.96%	$56.73K
10	Point72 Asset Management, L.P.	0001603466	3,697,803	0.47%	▲2,913,617	+371.55%	$53.88Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	3,427,263	0.43%	▲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	0.25%	▲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	0.21%	▲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	0.18%	▼200,572	-12.15%	$21.13Mn
19	NORGES BANK	0001374170	1,382,519	0.17%	▲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 246 holders