Security key
86627R102
- Security type / class
- Equity / Stock
- Total 13F shares
- 51,994
- Total 13F value
- $90,990
- Share change
- +46,468
- SEC-reported price per share
- $1.75
- Number of holders
- 6
- Value change
- +$81,319
- Number of buys
- 4
Report period
Q1 2023
Institutions
6
Top holders
6
SMMT full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
Summit Therapeutics Inc. SEC filings
Summit Therapeutics Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 86627R102
Recent filing periods:
Ownership snapshot
Top reported holders of SMMT - SUMMIT THERAPEUTICS INC COM - Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BAKER BROS. ADVISORS LP
Disclosed value leader
BAKER BROS. ADVISORS LP
Comparable rows
0/15
Latest evidence
31 Dec 2022
13F
3/4/5
Highest disclosed value: $8,500,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
BAKER BROS. ADVISORS LP has the largest disclosed position value at $8.5M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BAKER BROS. ADVISORS LP's linked filing trail.
Disclosed position value
Top 5
BAKER BROS. ADVISORS LP
$8.5M
VANGUARD GROUP INC
$6.14M
MARSHALL WACE, LLP
$2.65M
BlackRock Finance, Inc.
$2.27M
GEODE CAPITAL MANAGEMENT, LLC
$2M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BAKER BROS. ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$8,500,000
2,000,000 shares
|
— | 31 Dec 2022 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$6,135,121
1,443,558 shares
|
— | 31 Dec 2022 |
| MARSHALL WACE, LLP |
13F
Company
|
—
denominator unverified
|
$2,647,182
622,866 shares
|
— | 31 Dec 2022 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$2,272,306
534,660 shares
|
— | 31 Dec 2022 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$2,004,000
471,673 shares
|
— | 31 Dec 2022 |
| Steward Partners Investment Advisory, LLC |
13F
Company
|
—
denominator unverified
|
$1,296,250
305,000 shares
|
— | 31 Dec 2022 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
6
Shares
51,994
Rows available
6
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2023 vs Q1 2023 Across Filers
Q1 2023 holders
6
Q1 2023 holders
6
Holder diff
0
| Investor | Q1 2023 Shares | Q1 2023 Shares | Share Diff | Share Chg % | Q1 2023 value | Q1 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend