Immunocore Holdings plc - Depositary Receipt (Common Stock)
US ˙ NasdaqGS ˙ US45258D1054

SecurityIMCR / Immunocore Holdings plc - Depositary Receipt (Common Stock)
InstitutionSei Investments Co
Latest Disclosed Ownership50,337 shares
Latest Disclosed Value $ 1,747,194
Sei Investments Co reports 43.88% increase in ownership of IMCR / Immunocore Holdings plc - Depositary Receipt (Common Stock)

On February 13, 2026 - Sei Investments Co filed a 13F-HR form disclosing ownership of 50,337 shares of Immunocore Holdings plc - Depositary Receipt (Common Stock) (US:IMCR) valued at $1,747,197 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 13, 2025 disclosing 34,985 shares of Immunocore Holdings plc - Depositary Receipt (Common Stock). This represents a change in shares of 43.88% during the quarter. The current value of the position is $1,442,155 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-02-13 2025-12-31 13F IMMUNOCORE HLDGS ADS 45258D105 50,337 15,352 43.88 1,747 37.45 0.0017
2025-11-13 2025-09-30 13F IMMUNOCORE HLDGS ADS 45258D105 34,985 3,651 11.65 1,271 29.30 0.0014
2025-08-14 2025-06-30 13F IMMUNOCORE HLDGS ADS 45258D105 31,334 20,598 191.86 983 209.12 0.0011
2025-05-14 2025-03-31 13F/A-1 IMMUNOCORE HLDGS ADS 45258D105 10,736 10,736 319 0.0004
2024-08-13 2024-06-30 13F IMMUNOCORE HLDGS ADS 45258D105 0 -5,807 -100.00 0 -100.00
2024-05-07 2024-03-31 13F IMMUNOCORE HLDGS ADS 45258D105 5,807 107 1.88 377 -3.08 0.0006
2024-02-14 2023-12-31 13F IMMUNOCORE HLDGS ADS 45258D105 5,700 -22,507 -79.79 389 -73.41 0.0006
2023-11-14 2023-09-30 13F IMMUNOCORE HLDGS ADS 45258D105 28,207 620 2.25 1,464 -11.55 0.0026
2023-08-11 2023-06-30 13F IMMUNOCORE HLDGS ADS 45258D105 27,587 -14,267 -34.09 1,654 -20.06 0.0029
2023-05-12 2023-03-31 13F IMMUNOCORE HLDGS ADS 45258D105 41,854 29,390 235.80 2,069 191.00 0.0038
2023-02-10 2022-12-31 13F IMMUNOCORE HLDGS ADS 45258D105 12,464 -16,259 -56.61 711 -47.26 0.0016
2022-11-14 2022-09-30 13F IMMUNOCORE HLDGS ADS 45258D105 28,723 28,723 1,348 0.0030
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.