Latest Period
Q1 2026
Security Snapshot
Immunocore Holdings plc - American Depository Shares, each representing one ordinary share, nominal value 0.002 euro per share (IMCR) Institutional Ownership
CUSIP: 45258D105
13F Institutional Holders and Ownership History from Q1 2021 to Q1 2026
Institutions Reporting
142
Shares (Excl. Options)
52,393,743
Price
$30.15
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Security type / class
- Equity / American Depository Shares, each representing one ordinary share, nominal value 0.002 euro per share
- Symbol
- IMCR on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 52,393,743
- Total 13F value
- $1,579,585,800
- Portfolio coverage rank
- 0%
- Share change
- +862,421
- Value change
- +$22,621,949
- Number of holders
- 142
- Shares outstanding
- 50,306,691
- SEC-reported price per share
- $29.58
- Insider filing price
- $29.58
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- IMCR - Immunocore Holdings plc - American Depository Shares, each representing one ordinary share, nominal value 0.002 euro per share is tracked under CUSIP 45258D105.
- 142 institutions reported positions in Q1 2026.
- 7 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 149 to 142 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $1,787,298,986 to $1,579,585,800.
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 Form 13F
Open SEC evidence
Latest holder context comes from 142 institutions filings for Q1 2026.
Security key
45258D105
Latest holder period
Q1 2026
13F holders
142
13D/G owners
7
CIK / CUSIP context first
Open Q1 2026 holders
IMCR full holder history
Immunocore Holdings plc SEC filings
Immunocore Holdings plc company facts
Immunocore Holdings plc insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 45258D105:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
7
Security
IMCR
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP | 10% | +12% | $177,495,613 | +$21,348,793 | 5,132,898 | +14% | Wellington Management Group LLP | 31 Jul 2025 |
| Jallal Bahija | 8.2% | $135,513,072 | 4,493,139 | Jallal Bahija | 31 Dec 2024 | |||
| PRIMECAP MANAGEMENT CO/CA/ | 7.5% | +44% | $130,443,852 | +$38,165,393 | 3,772,234 | +41% | PRIMECAP MANAGEMENT CO/CA/ | 30 Jun 2025 |
| Bellevue Group AG | 5.6% | $101,607,853 | 2,796,803 | Bellevue Group AG | 20 Aug 2025 | |||
| Vestal Point Capital, LP | 5.5% | $88,373,764 | 2,766,868 | Vestal Point Capital, LP | 31 Mar 2026 | |||
| TANG CAPITAL MANAGEMENT LLC | 5.2% | $94,662,520 | 2,605,608 | TANG CAPITAL MANAGEMENT, LLC | 17 Oct 2025 | |||
| T. Rowe Price Investment Management, Inc. | 3.7% | -38% | $60,417,704 | -$36,740,710 | 1,891,600 | -38% | T. Rowe Price Investment Management, Inc. | 31 Mar 2026 |
As of 31 Mar 2026, 142 institutional investors reported holding 52,393,743 shares of Immunocore Holdings plc - American Depository Shares, each representing one ordinary share, nominal value 0.002 euro per share (IMCR). This represents 104% of the company’s total 50,306,691 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
89%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| RTW INVESTMENTS, LP | 9.7% | 4,869,798 | 0% | 1.5% | $146,824,410 |
| FMR LLC | 9.6% | 4,829,154 | +6.4% | 0.01% | $145,598,993 |
| WELLINGTON MANAGEMENT GROUP LLP | 9.4% | 4,706,168 | +0.27% | 0.03% | $141,890,965 |
| PRIMECAP MANAGEMENT CO/CA/ | 7.3% | 3,693,241 | -6.8% | 0.09% | $111,351,219 |
| Bellevue Group AG | 5.6% | 2,796,803 | 0% | 2% | $84,323,610 |
| Vestal Point Capital, LP | 5.5% | 2,766,868 | +373% | 2.3% | $83,421,070 |
| TANG CAPITAL MANAGEMENT LLC | 5.3% | 2,649,368 | +0.79% | 4.1% | $79,878,445 |
| Deep Track Capital, LP | 3.8% | 1,931,884 | -3.6% | 1.2% | $58,246,303 |
| T. Rowe Price Investment Management, Inc. | 3.8% | 1,891,600 | -68% | 0.04% | $57,032,000 |
| Logos Global Management LP | 3% | 1,500,000 | +76% | 2.3% | $45,225,000 |
| BVF INC/IL | 2.6% | 1,294,463 | -13% | 1.2% | $39,028,059 |
| MILLENNIUM MANAGEMENT LLC | 2.5% | 1,237,403 | +36% | 0.03% | $37,307,700 |
| ARMISTICE CAPITAL, LLC | 2.4% | 1,188,000 | +8.2% | 1.2% | $35,818,200 |
| Point72 Asset Management, L.P. | 2.2% | 1,102,271 | +119% | 0.06% | $33,233,471 |
| Fiera Capital Corp | 2.1% | 1,080,099 | +3.4% | 0.11% | $32,564,985 |
| TWO SIGMA INVESTMENTS, LP | 2% | 1,021,265 | +184% | 0.03% | $30,791,140 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.8% | 919,332 | -5.1% | 0% | $27,718,000 |
| Kynam Capital Management, LP | 1.8% | 884,937 | +3.3% | 1.7% | $26,680,851 |
| BAKER BROS. ADVISORS LP | 1.5% | 734,397 | -68% | 0.13% | $22,142,070 |
| Trails Edge Capital Partners, LP | 1.4% | 682,597 | 0% | 4.8% | $20,580,300 |
| Caption Management, LLC | 1.3% | 661,786 | +601% | 0.95% | $19,952,848 |
| BlackRock, Inc. | 1.3% | 656,309 | +99% | 0% | $19,787,717 |
| Hudson Bay Capital Management LP | 1.3% | 633,174 | +65% | 0.11% | $19,090,196 |
| JANUS HENDERSON GROUP PLC | 1.2% | 594,712 | +31% | 0.01% | $17,918,673 |
| PRINCIPAL FINANCIAL GROUP INC | 1% | 519,130 | -21% | 0.01% | $15,651,770 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
21
Latest
Q1 2026
Rows shown
1-21 of 21
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 52,393,743 | $1,579,585,800 | +$22,621,949 | $30.15 | 142 |
| 2025 Q4 | 51,535,356 | $1,787,298,986 | +$61,545,552 | $34.71 | 149 |
| 2025 Q3 | 49,181,489 | $1,786,701,511 | +$50,897,730 | $36.33 | 132 |
| 2025 Q2 | 47,759,431 | $1,498,675,257 | +$17,984,702 | $31.38 | 132 |
| 2025 Q1 | 47,287,653 | $1,402,998,400 | +$60,274,148 | $29.67 | 115 |
| 2024 Q4 | 45,410,647 | $1,339,563,608 | -$4,915,367 | $29.50 | 114 |
| 2024 Q3 | 45,295,985 | $1,411,075,539 | +$61,107,953 | $31.13 | 129 |
| 2024 Q2 | 43,068,701 | $1,459,854,294 | -$99,787,937 | $33.89 | 135 |
| 2024 Q1 | 41,233,666 | $2,679,814,816 | +$238,809,048 | $65.00 | 149 |
| 2023 Q4 | 37,514,062 | $2,563,043,022 | +$32,940,976 | $68.32 | 133 |
| 2023 Q3 | 36,945,020 | $1,917,423,501 | +$85,494,203 | $51.90 | 125 |
| 2023 Q2 | 35,306,138 | $2,115,733,529 | +$164,020,008 | $59.96 | 118 |
| 2023 Q1 | 32,689,414 | $1,614,615,481 | +$118,700,415 | $49.44 | 108 |
| 2022 Q4 | 30,264,419 | $1,727,211,273 | +$217,928,825 | $57.07 | 103 |
| 2022 Q3 | 26,369,515 | $1,237,624,033 | +$261,557,875 | $46.94 | 83 |
| 2022 Q2 | 21,039,614 | $784,510,369 | +$56,584,747 | $37.31 | 66 |
| 2022 Q1 | 19,740,280 | $590,138,252 | +$57,754,634 | $29.90 | 57 |
| 2021 Q4 | 17,133,052 | $586,618,000 | +$22,048,655 | $34.24 | 45 |
| 2021 Q3 | 16,654,128 | $617,381,000 | +$83,084,443 | $37.07 | 46 |
| 2021 Q2 | 13,805,464 | $538,109,000 | +$10,183,214 | $39.05 | 41 |
| 2021 Q1 | 14,110,965 | $597,836,000 | +$597,835,003 | $42.57 | 41 |