13F reference period
n/a
Security Snapshot
Silence Therapeutics plc - Ordinary Shares, nominal value 0.05 GBP per share Institutional Ownership
CUSIP: G8128Y157
13F Institutional Holders and Ownership History
Institutions Reporting
Shares (Excl. Options)
Price
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.
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- Security type / class
- Equity / Ordinary Shares, nominal value 0.05 GBP per share
- Shares outstanding
- 186,388,019
Filing notes and source
Key facts
- G8128Y157 - Silence Therapeutics plc - Ordinary Shares, nominal value 0.05 GBP per share is tracked under CUSIP G8128Y157.
- 13F reference-period holder data is not available.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder data for the Q2 2026 reference period is not available.
- Available periods remain in the history table; they do not substitute for the headline period.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Schedule 13D/G
Open SEC evidence
Ownership context comes from Schedule 13D/G and available holder history for this CUSIP.
Security key
G8128Y157
13F reference period
n/a
13F holders
13D/G owners
4
CIK / CUSIP context first
G8128Y157 full holder history
Silence Therapeutics plc SEC filings
Silence Therapeutics plc company facts
Silence Therapeutics plc insider transactions
Broader feeds
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
G8128Y157
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Griffiths Richard Ian | 8% | -62% | 14,391,498 | -53% | Richard Griffiths | 12 Aug 2026 | ||
| Tetragon Financial Management LP | 5.3% | 9,878,565 | Tetragon Financial Group Limited | 05 Oct 2026 | ||||
| Redmile Group, LLC | 4.7% | -8% | 6,644,841 | -7.7% | Redmile Group, LLC | 31 Mar 2025 | ||
| Lombard Odier Asset Management (USA) Corp | 4.2% | -42% | 5,935,955 | -45% | Lombard Odier Asset Management (USA) Corp | 31 Dec 2025 |