Who owns Immunocore Holdings plc?
Institutional ownership of IMCR from SEC Form 13F filings across 86 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
86
13F holders
$854.9M
value, 2026 filers
57.1%
of shares outstanding (29.0M sh)
14
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of IMCR's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | WELLINGTON MANAGEMENT GROUP LLP | 5.7M | $181.7M | 0.0% | 11.3% | +21.6% |
| 2 | FMR LLC | 4.3M | $136.8M | 0.0% | 8.5% | -10.8% |
| 3 | PRIMECAP MANAGEMENT CO/CA/ | 3.6M | $115.5M | 0.1% | 7.2% | -1.5% |
| 4 | TWO SIGMA INVESTMENTS, LP | 1.6M | $52.4M | 0.0% | 3.2% | +61.5% |
| 5 | MILLENNIUM MANAGEMENT LLC | 1.6M | $50.7M | 0.0% | 3.1% | +29.1% |
| 6 | ACADIAN ASSET MANAGEMENT LLC | 1.2M | $38,391 | 0.0% | 2.4% | +141.5% |
| 7 | BlackRock, Inc. | 1.0M | $31.9M | 0.0% | 2% | +53.1% |
| 8 | Point72 Asset Management, L.P. | 990,280 | $31.4M | 0.0% | 1.9% | -10.2% |
| 9 | PRICE T ROWE ASSOCIATES INC /MD/ | 831,068 | $26,387 | 0.0% | 1.6% | -9.6% |
| 10 | Jupiter Topco LLCNEW | 709,022 | $22.5M | 0.0% | 1.4% | new |
| 11 | MARSHALL WACE, LLP | 590,941 | $18.8M | 0.0% | 1.2% | +227.7% |
| 12 | Hudson Bay Capital Management LP | 590,000 | $18.7M | 0.1% | 1.2% | -6.8% |
| 13 | CITADEL ADVISORS LLC | 566,761 | $18.0M | 0.0% | 1.1% | +146.0% |
| 14 | PRINCIPAL FINANCIAL GROUP INC | 485,789 | $15.4M | 0.0% | 1% | -6.4% |
| 15 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 407,219 | $12.9M | 0.0% | 0.8% | 0.0% |
| 16 | D. E. Shaw & Co., Inc. | 405,116 | $12.9M | 0.0% | 0.8% | +20.9% |
| 17 | Candriam S.C.A. | 373,046 | $11.8M | 0.1% | 0.7% | +38.3% |
| 18 | CANTOR FITZGERALD, L. P. | 340,100 | $10.8M | 0.1% | 0.7% | +35.9% |
| 19 | Woodline Partners LP | 316,762 | $10.1M | 0.0% | 0.6% | -50.0% |
| 20 | Legal & General Group Plc | 299,670 | $9.5M | 0.0% | 0.6% | +91.9% |
| 21 | BOOTHBAY FUND MANAGEMENT, LLCNEW | 295,546 | $9.4M | 0.1% | 0.6% | new |
| 22 | MOORE CAPITAL MANAGEMENT, LP | 274,663 | $8.7M | 0.1% | 0.5% | +39.2% |
| 23 | JANE STREET GROUP, LLC | 233,348 | $7.4M | 0.0% | 0.5% | +14.2% |
| 24 | Qube Research & Technologies LtdNEW | 223,124 | $7.1M | 0.0% | 0.4% | new |
| 25 | MORGAN STANLEY | 187,850 | $6.0M | 0.0% | 0.4% | -42.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.