IMCR Institutional Ownership & Shareholders
IMMUNOCORE HOLDINGS PLC-ADR (IMCR) is currently held by 131 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $1.64B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Wellington Management Group Llp is currently the largest disclosed institutional shareholder of IMCR tracked by InsiderSet, reporting ownership valued at approximately $181.67M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $170.46M, representing an estimated loss of -6.17% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 59% of the total disclosed IMCR value among the investors covered in this analysis. Major shareholders include Wellington Management Group Llp, Rtw Investments, Lp, Fmr Llc, and several other long-term asset managers with concentrated positions in IMMUNOCORE HOLDINGS PLC-ADR (IMCR).
This page ranks the largest institutional IMCR shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
131
Total Reported Value
$1.64B
Largest Holder
Wellington Management Group Llp
Largest Position
$181.67M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
97
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Wellington Management Group Llp | 0.03% | 5,721,945 | $181,671,753 | $170,456,742 | -$11,215,011 | -6.17% | |
| Rtw Investments, Lp | 1.32% | 4,869,798 | $154,616,087 | $145,071,282 | -$9,544,805 | -6.17% | |
| Fmr Llc | 0.01% | 4,307,246 | $136,755,061 | $128,312,858 | -$8,442,203 | -6.17% | |
| Primecap Management Co/Ca/ | 0.07% | 3,638,241 | $115,514,154 | $108,383,199 | -$7,130,955 | -6.17% | |
| Bellevue Group Ag | 1.86% | 2,788,245 | $88,526,779 | $83,061,819 | -$5,464,960 | -6.17% | |
| Tang Capital Management Llc | 3.82% | 2,649,368 | $84,117,434 | $78,924,673 | -$5,192,761 | -6.17% | |
| Vestal Point Capital, Lp | 1.34% | 1,800,000 | $57,150,000 | $53,622,000 | -$3,528,000 | -6.17% | |
| Two Sigma Investments, Lp | 0.04% | 1,648,983 | $52,355,210 | $49,123,204 | -$3,232,006 | -6.17% | |
| Millennium Management Llc | 0.03% | 1,597,037 | $50,705,925 | $47,575,732 | -$3,130,193 | -6.17% | |
| Armistice Capital, Llc | 1.25% | 1,428,000 | $45,339,000 | $42,540,120 | -$2,798,880 | -6.17% | |
| Caligan Partners Lp | 2.12% | 1,381,317 | $43,856,815 | $41,149,433 | -$2,707,382 | -6.17% | |
| Kynam Capital Management, Lp | 2.41% | 1,375,000 | $43,656,250 | $40,961,250 | -$2,695,000 | -6.17% | |
| Bvf Inc/Il | 1.05% | 1,294,463 | $41,099,200 | $38,562,053 | -$2,537,147 | -6.17% | |
| Acadian Asset Management Llc | 0.05% | 1,209,894 | $38,391,000 | $36,042,742 | -$2,348,258 | -6.12% | |
| Trails Edge Capital Partners, Lp | 5.36% | 1,063,234 | $33,757,680 | $31,673,741 | -$2,083,939 | -6.17% | |
| Blackrock, Inc. | 0.00% | 1,004,598 | $31,895,988 | $29,926,974 | -$1,969,014 | -6.17% | |
| Point72 Asset Management, L.P. | 0.05% | 990,280 | $31,441,390 | $29,500,441 | -$1,940,949 | -6.17% | |
| Price T Rowe Associates Inc | 0.00% | 831,068 | $26,387,000 | $24,757,516 | -$1,629,484 | -6.18% | |
| Logos Global Management Lp | 0.82% | 600,000 | $19,050,000 | $17,874,000 | -$1,176,000 | -6.17% | |
| Marshall Wace, Llp | 0.02% | 590,941 | $18,762,377 | $17,604,132 | -$1,158,245 | -6.17% | |
| Hudson Bay Capital Management Lp | 0.10% | 590,000 | $18,732,500 | $17,576,100 | -$1,156,400 | -6.17% | |
| Citadel Advisors Llc | 0.01% | 566,761 | $17,994,662 | $16,883,810 | -$1,110,852 | -6.17% | |
| Janus Henderson Group Plc | 0.01% | 594,712 | $17,918,673 | $17,716,470 | -$202,203 | -1.13% | |
| Braidwell Lp | 0.61% | 521,327 | $16,552,132 | $15,530,331 | -$1,021,801 | -6.17% | |
| Jones Hill Capital Lp | 3.46% | 512,856 | $16,283,178 | $15,277,980 | -$1,005,198 | -6.17% | |
| Principal Financial Group Inc | 0.01% | 485,789 | $15,423,801 | $14,471,654 | -$952,147 | -6.17% | |
| Frazier Life Sciences Management, L.P. | 0.34% | 484,782 | $15,391,829 | $14,441,656 | -$950,173 | -6.17% | |
| Fulcrum Asset Management Llp | 1.43% | 470,025 | $14,298,161 | $14,002,045 | -$296,116 | -2.07% | |
| Massachusetts Financial Services Co | 0.00% | 407,219 | $12,929,203 | $12,131,054 | -$798,149 | -6.17% | |
| D. E. Shaw & Co., Inc. | 0.01% | 405,116 | $12,862,433 | $12,068,406 | -$794,027 | -6.17% | |
| Candriam S.C.A. | 0.05% | 373,046 | $11,832,815 | $11,113,040 | -$719,775 | -6.08% | |
| Cantor Fitzgerald, L. P. | 0.21% | 340,100 | $10,798,175 | $10,131,579 | -$666,596 | -6.17% | |
| Woodline Partners Lp | 0.03% | 316,762 | $10,057,194 | $9,436,340 | -$620,854 | -6.17% | |
| Deep Track Capital, Lp | 0.15% | 311,218 | $9,881,172 | $9,271,184 | -$609,988 | -6.17% | |
| Legal & General Group Plc | 0.00% | 299,670 | $9,511,559 | $8,927,169 | -$584,390 | -6.14% | |
| Boothbay Fund Management, Llc | 0.17% | 295,546 | $9,383,586 | $8,804,315 | -$579,271 | -6.17% | |
| Moore Capital Management, Lp | 0.20% | 274,663 | $8,720,550 | $8,182,211 | -$538,339 | -6.17% | |
| Diadema Partners Lp | 2.86% | 254,863 | $8,091,900 | $7,592,369 | -$499,531 | -6.17% | |
| Jane Street Group, Llc | 0.00% | 233,348 | $7,408,799 | $6,951,437 | -$457,362 | -6.17% | |
| Qube Research & Technologies Ltd | 0.01% | 223,124 | $7,084,187 | $6,646,864 | -$437,323 | -6.17% | |
| Morgan Stanley | 0.00% | 187,850 | $5,964,259 | $5,596,052 | -$368,208 | -6.17% | |
| Caption Management, Llc | 0.19% | 172,503 | $5,476,970 | $5,138,864 | -$338,106 | -6.17% | |
| Goldman Sachs Group Inc | 0.00% | 137,326 | $4,360,101 | $4,090,942 | -$269,159 | -6.17% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 134,165 | $4,259,739 | $3,996,775 | -$262,964 | -6.17% | |
| Jump Financial, Llc | 0.04% | 131,949 | $4,189,381 | $3,930,761 | -$258,620 | -6.17% | |
| Bank Of America Corp | 0.00% | 116,144 | $3,687,572 | $3,459,930 | -$227,642 | -6.17% | |
| Xtx Topco Ltd | 0.05% | 116,135 | $3,687,286 | $3,459,662 | -$227,624 | -6.17% | |
| Td Asset Management Inc | 0.00% | 103,558 | $3,287,967 | $3,084,993 | -$202,974 | -6.17% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 102,400 | $3,251,200 | $3,050,496 | -$200,704 | -6.17% |
| State Street Corp | 0.00% | 98,229 | $3,118,771 | $2,926,242 | -$192,529 | -6.17% |
Frequently asked questions about IMCR
Who are the largest institutional holders of IMCR?
The largest institutional holders of IMCR reported in the latest SEC Form 13F filings include Wellington Management Group Llp, Rtw Investments, Lp, Fmr Llc, Primecap Management Co/Ca/, and Bellevue Group Ag. InsiderSet ranks institutional holders by their latest reported IMCR position.
What is IMCR institutional ownership?
This page tracks IMCR positions reported by institutional investment managers through SEC Form 13F. IMMUNOCORE HOLDINGS PLC-ADR (IMCR) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own IMCR?
InsiderSet currently tracks 131 institutional managers reporting IMCR holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of IMCR shareholders.
How much IMCR stock do institutions own?
Institutional investment managers disclosed approximately $1.64B in IMCR holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was IMCR institutional ownership last updated?
The latest IMCR institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional IMCR holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its IMCR position after the reporting date.
Are institutions buying or selling IMCR?
Institutional buying and selling can be analyzed by comparing IMCR positions across consecutive 13F reporting periods. InsiderSet's IMCR Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View IMCR ownership changes.
How has IMCR institutional ownership changed over time?
InsiderSet tracks IMCR institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.