Latest Period
Q4 2025
Security Snapshot
Immunocore Holdings plc - ADR (IMCR) Institutional Ownership
CUSIP: 45258D105
13F Institutional Holders and Ownership History from Q1 2021 to Q1 2026
Institutions Reporting
149
Shares (Excl. Options)
51,535,356
Price
$34.71
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- Type / Class
- Equity / ADR
- Symbol
- IMCR on Nasdaq
- Shares outstanding
- 50,698,400
- Price per share
- $31.94
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 51,535,356
- Total reported value
- $1,787,298,986
- % of total 13F portfolios
- 0%
- Share change
- +1,781,070
- Value change
- +$61,545,552
- Number of holders
- 149
- Price from insider filings
- $31.94
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- IMCR - Immunocore Holdings plc - ADR is tracked under CUSIP 45258D105.
- 149 institutions reported positions in Q4 2025.
- 6 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 149 to 17 between Q4 2025 and Q1 2026.
- Reported value moved from $1,787,298,986 to $14,824,430.
Why This Matters
- 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.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 149 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 45258D105?
CUSIP 45258D105 identifies IMCR - Immunocore Holdings plc - ADR in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 45258D105:
Significant Owners of Immunocore Holdings plc - ADR (IMCR) based on Schedule 13D/G filings
| 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 |
| T. Rowe Price Investment Management, Inc. | 6% | -48% | $99,835,289 | -$95,812,181 | 3,041,904 | -49% | T. Rowe Price Investment Management, Inc. | 28 Feb 2026 |
| Bellevue Group AG | 5.6% | $101,607,853 | 2,796,803 | Bellevue Group AG | 20 Aug 2025 | |||
| TANG CAPITAL MANAGEMENT LLC | 5.2% | $94,662,520 | 2,605,608 | TANG CAPITAL MANAGEMENT, LLC | 17 Oct 2025 |
As of 31 Dec 2025, 149 institutional investors reported holding 51,535,356 shares of Immunocore Holdings plc - ADR (IMCR). This represents 102% of the company’s total 50,698,400 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Immunocore Holdings plc - ADR (IMCR) together control 90% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 12% | 5,961,227 | -16% | 0.13% | $206,915,000 |
| RTW INVESTMENTS, LP | 9.6% | 4,869,798 | 0% | 1.7% | $169,030,689 |
| WELLINGTON MANAGEMENT GROUP LLP | 9.3% | 4,693,643 | -1.8% | 0.03% | $162,916,349 |
| FMR LLC | 9% | 4,539,225 | +2.7% | 0.01% | $157,556,482 |
| PRIMECAP MANAGEMENT CO/CA/ | 7.8% | 3,961,880 | +5.5% | 0.1% | $137,516,856 |
| Bellevue Group AG | 5.5% | 2,796,803 | 0% | 1.8% | $97,077,032 |
| TANG CAPITAL MANAGEMENT LLC | 5.2% | 2,628,538 | +14% | 4.5% | $91,236,554 |
| BAKER BROS. ADVISORS LP | 4.6% | 2,322,656 | 0% | 0.47% | $80,619,390 |
| Deep Track Capital, LP | 4% | 2,003,978 | +11% | 1.6% | $69,558,076 |
| BVF INC/IL | 2.9% | 1,488,975 | -5.4% | 1.7% | $50,293,922 |
| ARMISTICE CAPITAL, LLC | 2.2% | 1,098,000 | +33% | 0.93% | $38,111,580 |
| Fiera Capital Corp | 2.1% | 1,044,831 | +31% | 0.12% | $36,266,084 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.9% | 968,784 | -4.7% | 0% | $33,627,000 |
| MILLENNIUM MANAGEMENT LLC | 1.8% | 911,597 | -28% | 0.02% | $31,641,532 |
| Kynam Capital Management, LP | 1.7% | 856,462 | -15% | 1.9% | $29,727,796 |
| Logos Global Management LP | 1.7% | 850,000 | 0% | 2% | $29,503,500 |
| Trails Edge Capital Partners, LP | 1.3% | 682,597 | 0% | 5.9% | $23,692,942 |
| PRINCIPAL FINANCIAL GROUP INC | 1.3% | 658,436 | +60% | 0.01% | $22,854,314 |
| Vestal Point Capital, LP | 1.2% | 585,000 | 0.74% | $20,305,350 | |
| Point72 Asset Management, L.P. | 0.99% | 504,151 | -5.9% | 0.03% | $17,499,081 |
| ACADIAN ASSET MANAGEMENT LLC | 0.91% | 461,830 | +131% | 0.03% | $16,012,000 |
| JANUS HENDERSON GROUP PLC | 0.9% | 454,404 | 0.01% | $15,733,739 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 0.8% | 407,404 | -7.9% | 0% | $14,140,993 |
| Frazier Life Sciences Management, L.P. | 0.76% | 384,782 | 0% | 0.36% | $13,355,783 |
| Hudson Bay Capital Management LP | 0.76% | 383,558 | +15% | 0.08% | $13,313,298 |
Institutional Holders of Immunocore Holdings plc - ADR (IMCR) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 491,702 | $14,824,430 | +$2,920,680 | $30.15 | 17 |
| 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 |