Security key
45258D105
Immunocore Holdings plc - American Depository Shares, each representing one ordinary share, nominal value 0.002 euro per share (IMCR)
CUSIP: 45258D105
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / American Depository Shares, each representing one ordinary share, nominal value 0.002 euro per share
- Shares outstanding
- 50,306,691
- Total 13F shares
- 52,393,743
- Share change
- +862,421
- Total reported value
- $1,579,585,800
- Put/Call ratio
- 865%
- Reported price per share
- $30.15
- Number of holders
- 142
- Value change
- +$22,621,949
- Number of buys
- 74
- Number of sells
- 69
Security identity
Holder snapshot
Report period
Q1 2026
Institutions
142
Top holders
10
IMCR full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 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.
Lead holder
WELLINGTON MANAGEMENT GRO...
13D/G signal
WELLINGTON MANAGEMENT GRO...
Evidence rows
15
Latest as of
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 10%
13D/G row: WELLINGTON MANAGEMENT GROUP LLP
Showing 1-6 of 15 holder rows.
Rank 1 holder
WELLINGTON MANAGEMENT GROUP LLP
13D/G
13F
- Ownership
- 10%
- Position
- $177.5M
Rank 2 holder
Jallal Bahija
13D/G
3/4/5
- Ownership
- 8.2%
- Position
- $135.51M
Rank 3 holder
PRIMECAP MANAGEMENT CO/CA/
13F
13D/G
- Ownership
- 7.5%
- Position
- $137.52M
| 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
3/4/5
CHIEF EXECUTIVE OFFICER, Director
|
8.2%
|
$135,513,072
4,493,139 shares
|
$0 | 31 Dec 2024 |
| PRIMECAP MANAGEMENT CO/CA/ |
13F
13D/G
Company
|
7.5%
from 13D/G
|
$137,516,856
3,961,880 shares
|
— | 31 Dec 2025 |
| Bellevue Group AG |
13D/G
13F
Company
|
5.6%
|
$101,607,853
2,796,803 shares
|
$0 | 20 Aug 2025 |
| Vestal Point Capital, LP |
13D/G
13F
Company
|
5.5%
|
$88,373,764
2,766,868 shares
|
$0 | 31 Mar 2026 |
| TANG CAPITAL MANAGEMENT LLC |
13D/G
13F
Company
|
5.2%
|
$94,662,520
2,605,608 shares
|
$0 | 17 Oct 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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
142
Shares
52,393,743
Rows available
142
| Investor | Option | Weight % | Change % | Reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* 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 failed the local validity check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
149
Q1 2026 holders
142
Holder diff
-7
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend