SUMMIT THERAPEUTICS INC (SMMT) is held by 112 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BAKER BROS. ADVISORS LP as of Q1 2026.

Are institutions buying or selling SMMT?

In Q1 2026, 68 institutions opened or increased positions in SUMMIT THERAPEUTICS INC while 46 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on SMMT?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for SUMMIT THERAPEUTICS INC.

How many hedge funds hold SMMT?

112 institutional investors report holding SUMMIT THERAPEUTICS INC (SMMT) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into SMMT?

As of Q1 2026, tracked institutions in SUMMIT THERAPEUTICS INC show 68 buyers versus 46 sellers — net inflows.

SUMMIT THERAPEUTICS INC

SMMT·86627T108·US·Common Stock·Healthcare - Biotechnology

112

Holders

(22 Elite)

$2.1B

Total Value

60% (114)

Consensus

68 buying - 46 selling

13F: Mar 31, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Held by 112 funds

22 elite

Who's Trading

InsiderZMZanganeh MahkamBuy $50.0MJun 12, 2026

InsiderXYXia YuBuy $10.0MOct 21, 2025

InsiderDWDUGGAN ROBERT WBuy $500KOct 21, 2025

InsiderZMZanganeh MahkamBuy $500KOct 21, 2025

InsiderZMZanganeh MahkamBuy $90KSep 11, 2025

InsiderDWDUGGAN ROBERT WBuy $90KSep 11, 2025

InsiderDWDUGGAN ROBERT WBuy $5.9MSep 10, 2025

InsiderZMZanganeh MahkamBuy $5.9MSep 10, 2025

View all insider trades

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BAKER BROS. ADVISORS LP	Unchanged	36.4M	$690M	4.0%	+24.86%	0
FMR LLC	Decreased	10.9M(-18.8%)	$205.8M	0.0%	-15.18%	0
BlackRock, Inc.	Increased	9.7M(+3.1%)	$183M	0.0%	-14.80%	31
PRICE T ROWE ASSOCIATES INC /MD/	Decreased	8.3M(-11.7%)	$156.9M	0.0%	-11.50%	0
STATE STREET CORP	Increased	7M(+5.9%)	$133.3M	0.0%	+10.67%	32
VAVANGUARD CAPITAL MANAGEMENT LLC	New	5.7M	$108.3M	0.0%	+0.93%	42
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	5.2M	$99.2M	0.0%	+0.93%	41
UBS Group AG	Increased	3.7M(+322.7%)	$69.8M	0.0%	-3.77%	48
GEODE CAPITAL MANAGEMENT, LLC	Increased	3.3M(+5.3%)	$62.9M	0.0%	+167.54%	31
DED. E. Shaw & Co., Inc.	Increased	2.2M(+439.9%)	$42.5M	0.0%	-3.01%	47
MORGAN STANLEY	Increased	1.7M(+78.1%)	$31.3M	0.0%	-12.24%	44
Pictet Asset Management Holding SA	Decreased	1.3M(-4.4%)	$24M	0.0%	-7.12%	0
TWO SIGMA INVESTMENTS, LP	Increased	981,185(+69.7%)	$18.6M	0.0%	-8.17%	42
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	960,867(+7.6%)	$18.2M	0.0%	+58.54%	31
TD ASSET MANAGEMENT INC	Decreased	956,894(-20.6%)	$18.1M	0.0%	-11.02%	0
VFVANGUARD FIDUCIARY TRUST CO	New	934,394	$17.7M	0.0%	+0.93%	39
Point72 Asset Management, L.P.	New	784,186	$14.9M	0.0%	+0.93%	39
Aberdeen Group plc	Decreased	665,364(-28.2%)	$12.6M	0.0%	-25.72%	0
SOSquarepoint Ops LLC	Decreased	613,877(-14.2%)	$11.6M	0.0%	-15.12%	0
SUSQUEHANNA INTERNATIONAL GROUP, LLP	New	603,933	$11.5M	0.0%	+0.93%	39