SMMT

SUMMIT THERAPEUTICS INC
USCUSIP 86627T108
Institutional Owners
65
+17 QoQ
13F Value Held
$898.7M
Insider Net · 180d
$2.9M
2↑ 0↓
Recent Filings
2
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)39 adding · 29 trimming
Insider net (180d)+$2.9M
Price history not yet available for SMMT.

Top institutional holders

65 13F filers
#FundPosition valueSharesLast moveAs of
1BAKER BROS. ADVISORS LP
$690.0M
36.39MHeldQ1 2026
2STATE STREET CORP
$133.3M
7.03MAddedQ1 2026
3Rock Springs Capital Management LP
$13.5M
710.0KHeldQ1 2026
4Candriam S.C.A.
$10.3M
540.7KNewQ1 2026
5CITADEL ADVISORS LLC
$9.6M
505.6KReducedQ1 2026
6E Fund Management Co., Ltd.
$5.9M
311.8KAddedQ1 2026
7Rafferty Asset Management, LLC
$4.9M
259.1KReducedQ1 2026
8Woodline Partners LP
$4.1M
214.5KNewQ1 2026
9Tidal Investments LLC
$2.3M
120.3KNewQ1 2026
10Y-Intercept (Hong Kong) Ltd
$2.3M
119.7KNewQ1 2026
11PROFUND ADVISORS LLC
$2.1M
112.9KAddedQ1 2026
12Illinois Municipal Retirement Fund
$2.1M
111.9KAddedQ1 2026
13Jefferies Financial Group Inc.
$1.9M
100.0KHeldQ1 2026
14STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM
$1.8M
96.0KHeldQ1 2026
15Beacon Pointe Advisors, LLC
$1.8M
94.4KAddedQ1 2026
16BOOTHBAY FUND MANAGEMENT, LLC
$1.0M
54.0KNewQ1 2026
17LMR Partners LLP
$950K
50.1KReducedQ1 2026
18Police & Firemen's Retirement System of New Jersey
$920K
52.6KNewQ4 2025
19GROUP ONE TRADING LLC
$811K
42.8KAddedQ1 2026
20Steward Partners Investment Advisory, LLC
$737K
38.8KAddedQ1 2026
21Verition Fund Management LLC
$686K
36.2KReducedQ1 2026
22PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO
$645K
34.0KReducedQ1 2026
23Caption Management, LLC
$569K
30.0KReducedQ1 2026
24GREAT VALLEY ADVISOR GROUP, INC.
$486K
25.6KHeldQ1 2026
25CIBC Asset Management Inc
$461K
24.3KHeldQ1 2026

Fund activity — latest quarter

Opened (NEW)
18
funds
Added
21
funds
Reduced
16
funds
Exited
13
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$2.9M
2 insiders
Sells · 180d
$0
0 insiders
Net
$2.9M
2 P/S txns
Signal
Net Buying
open-market
DateInsiderRoleActionSharesValue
Jun 4, 2026Zanganeh MahkamCo-Chief Executive Officer, Director, 10% OwnerBuy (P)100.0K$1.5M
Jun 4, 2026DUGGAN ROBERT WCo-Chief Executive Officer, Director, 10% OwnerBuy (P)100.0K$1.5M

Institutional ownership over time

78 funds+77 since Q4 2021
03978Q4 2021Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $1.1B

Funds that own SMMT also own

CompanyCo-held byCombined value
Boston Scientific Corp - USBSX74 funds$6.0B
Microsoft Corp - USMSFT73 funds$141.1B
Meta Platforms Inc-ClasMETA73 funds$63.7B
LILLY, ELI AND COMPANYLLY73 funds$39.5B
Nvidia Corp - USNVDA72 funds$216.4B
Amazon.com IncAMZN72 funds$103.0B
GOOGLE INCGOOGL72 funds$83.2B
Micron Technology Inc - USMU72 funds$25.0B
Palantir Technologies Inc APLTR72 funds$19.7B
Broadcom LtdAVGO71 funds$75.4B
Visa Inc-Class A SharesV71 funds$29.9B
Costco Wholesale Corp - USCOST71 funds$22.8B

Ranked by how many of SMMT's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

2 shown

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for SMMT. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.