Security key
45258D105
Immunocore Holdings plc - American Depository Shares, each representing one ordinary share, nominal value 0.002 euro per share (IMCR)
CUSIP: 45258D105
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / American Depository Shares, each representing one ordinary share, nominal value 0.002 euro per share
- Total 13F shares
- 49,181,489
- Total 13F value
- $1,786,701,511
- Share change
- +1,344,595
- Put/Call ratio
- 540%
- SEC-reported price per share
- $36.33
- Number of holders
- 132
- Value change
- +$50,897,730
- Number of buys
- 58
- Number of sells
- 65
- Shares outstanding
- 50,306,691
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
132
Top holders
10
IMCR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
Immunocore Holdings plc SEC filings
Immunocore Holdings plc company facts
Broader feeds
Reporting periods
Holder history for CUSIP 45258D105
Recent filing periods:
Ownership snapshot
Top reported holders of IMCR - Immunocore Holdings plc - American Depository Shares, each representing one ordinary share, nominal value 0.002 euro per share (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
WELLINGTON MANAGEMENT GRO...
Disclosed value leader
T. Rowe Price Investment ...
Comparable rows
15/15
Latest evidence
20 Aug 2025
13D/G
13F
3/4/5
Lead comparable stake: 10%
13D/G row: WELLINGTON MANAGEMENT GROUP LLP
Showing 1-6 of 15 holder rows.
Quick read
WELLINGTON MANAGEMENT GROUP LLP leads the comparable SEC ownership view at 10%.
15 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 WELLINGTON MANAGEMENT GROUP LLP's linked filing trail.
Comparable ownership
Top 5
WELLINGTON MANAGEMENT GROUP LLP
10%
Jallal Bahija
8.2%
PRIMECAP MANAGEMENT CO/CA/
7.5%
Bellevue Group AG
5.6%
T. Rowe Price Investment Manageme...
14%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP |
13D/G
13F
Company
|
10%
|
$177,495,613
5,132,898 shares
|
+$21,348,793 | 31 Jul 2025 |
| Jallal Bahija |
13D/G
|
8.2%
|
$135,513,072
4,493,139 shares
|
$0 | 31 Dec 2024 |
| PRIMECAP MANAGEMENT CO/CA/ |
13D/G
13F
Company
|
7.5%
|
$130,443,852
3,772,234 shares
|
+$38,165,393 | 30 Jun 2025 |
| Bellevue Group AG |
13D/G
13F
Company
|
5.6%
|
$101,607,853
2,796,803 shares
|
$0 | 20 Aug 2025 |
| T. Rowe Price Investment Management, Inc. |
13F
Company
|
14%
|
$221,784,000
7,067,659 shares
|
— | 30 Jun 2025 |
| RTW INVESTMENTS, LP |
13F
Company
|
9.7%
|
$152,814,261
4,869,798 shares
|
— | 30 Jun 2025 |
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 Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
132
Shares
49,181,489
Rows available
132
| 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 Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
132
Q3 2025 holders
132
Holder diff
0
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend