MIAMI, FL
SUMMIT THERAPEUTICS INC.SMMT— Latest position per institution from SEC 13F filings
15
Institutional holders
122.68M
Total shares held
2.06B
Estimated value
6.13M
Avg. position size
BAKER BROS. ADVISORS LP
CIK 1263508
Shares
36.39M
Value
689.97M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
11.18M
Value
195.49M
Filed
Dec 31, 2025
FMR LLC
CIK 315066
Shares
10.85M
Value
205.78M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
9.65M
Value
183.04M
Filed
Mar 31, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
8.28M
Value
156.95K
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
7.90M
Value
61.61M
Filed
Jun 30, 2024
STATE STREET CORP
CIK 93751
Shares
7.03M
Value
133.25M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
5.71M
Value
108.30M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
5.23M
Value
99.22M
Filed
Mar 31, 2026
UBS GROUP AG
CIK 1610520
Shares
3.70M
Value
70.16M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
3.32M
Value
62.89M
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
2.41M
Value
45.71M
Filed
Mar 31, 2026
D. E. SHAW & CO., INC.
CIK 1009207
Shares
2.24M
Value
42.51M
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
1.65M
Value
31.30M
Filed
Mar 31, 2026
NORGES BANK
CIK 1374170
Shares
1.37M
Value
24.03M
Filed
Dec 31, 2025
PICTET ASSET MANAGEMENT HOLDING SA
CIK 1993888
Shares
1.32M
Value
23.96M
Filed
Mar 31, 2026
APEIRON CAPITAL LTD
CIK 1843111
Shares
1.31M
Value
24.82M
Filed
Mar 31, 2026
DARWIN GLOBAL MANAGEMENT, LTD.
CIK 1839209
Shares
1.08M
Value
23.76M
Filed
Sep 30, 2024
CITADEL ADVISORS LLC
CIK 1423053
Shares
1.06M
Value
20.12M
Filed
Mar 31, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
981.18K
Value
18.60M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BAKER BROS. ADVISORS LP | 1263508 | 36.39M | 689.97M | Mar 31, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 11.18M | 195.49M | Dec 31, 2025 |
| 3 | FMR LLC | 315066 | 10.85M | 205.78M | Mar 31, 2026 |
| 4 | BLACKROCK, INC. | 2012383 | 9.65M | 183.04M | Mar 31, 2026 |
| 5 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 8.28M | 156.95K | Mar 31, 2026 |
| 6 | BLACKROCK FINANCE, INC. | 1364742 | 7.90M | 61.61M | Jun 30, 2024 |
| 7 | STATE STREET CORP | 93751 | 7.03M | 133.25M | Mar 31, 2026 |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 5.71M | 108.30M | Mar 31, 2026 |
| 9 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 5.23M | 99.22M | Mar 31, 2026 |
| 10 | UBS GROUP AG | 1610520 | 3.70M | 70.16M | Mar 31, 2026 |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 3.32M | 62.89M | Mar 31, 2026 |
| 12 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 2.41M | 45.71M | Mar 31, 2026 |
| 13 | D. E. SHAW & CO., INC. | 1009207 | 2.24M | 42.51M | Mar 31, 2026 |
| 14 | MORGAN STANLEY | 895421 | 1.65M | 31.30M | Mar 31, 2026 |
| 15 | NORGES BANK | 1374170 | 1.37M | 24.03M | Dec 31, 2025 |
| 16 | PICTET ASSET MANAGEMENT HOLDING SA | 1993888 | 1.32M | 23.96M | Mar 31, 2026 |
| 17 | APEIRON CAPITAL LTD | 1843111 | 1.31M | 24.82M | Mar 31, 2026 |
| 18 | DARWIN GLOBAL MANAGEMENT, LTD. | 1839209 | 1.08M | 23.76M | Sep 30, 2024 |
| 19 | CITADEL ADVISORS LLC | 1423053 | 1.06M | 20.12M | Mar 31, 2026 |
| 20 | TWO SIGMA INVESTMENTS, LP | 1179392 | 981.18K | 18.60M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.