What does CUSIP 45258D105 represent in this 13F holders report?

CUSIP 45258D105 is the security identifier for IMCR - Immunocore Holdings plc - COMMON STOCK used to aggregate holder disclosures.

How many institutions held IMCR - Immunocore Holdings plc - COMMON STOCK in Q2 2023?

118 institutional investors reported IMCR - Immunocore Holdings plc - COMMON STOCK for Q2 2023. Use the holders table for investor-level position and value details.

Immunocore Holdings plc - COMMON STOCK (IMCR)

CUSIP: 45258D105

Q2 2023 13F Holders as of 30 Jun 2023

Security type / class: Equity / COMMON STOCK
Total 13F shares: 35,306,138
Total 13F value: $2,115,733,529
Share change: +2,613,887
Put/Call ratio: 18%
SEC-reported price per share: $59.96
Number of holders: 118
Value change: +$164,020,008
Number of buys: 76
Number of sells: 40
Shares outstanding: 48,249,417

Security key

45258D105

Report period

Q2 2023

Institutions

118

Top holders

IMCR full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 Immunocore Holdings plc SEC filings Immunocore Holdings plc company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 45258D105

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of IMCR - Immunocore Holdings plc - COMMON STOCK (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

RTW INVESTMENTS, LP

Disclosed value leader

RTW INVESTMENTS, LP

Comparable rows

0/15

Latest evidence

31 Mar 2023

13F Highest disclosed value: $279,333,182 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

RTW INVESTMENTS, LP has the largest disclosed position value at $279.33M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens RTW INVESTMENTS, LP's linked filing trail.

Disclosed position value Top 5

RTW INVESTMENTS, LP $279.33M

WELLINGTON MANAGEMENT GROUP LLP $166.88M

Rock Springs Capital Management LP $148.4M

BAKER BROS. ADVISORS LP $124.62M

FMR LLC $103.31M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
RTW INVESTMENTS, LP	13F Company 13F	— denominator unverified	$279,333,182 5,649,943 shares	—	31 Mar 2023
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	— denominator unverified	$166,875,278 3,375,309 shares	—	31 Mar 2023
Rock Springs Capital Management LP	13F Company 13F	— denominator unverified	$148,402,169 3,001,662 shares	—	31 Mar 2023
BAKER BROS. ADVISORS LP	13F Company 13F	— denominator unverified	$124,624,941 2,520,731 shares	—	31 Mar 2023
FMR LLC	13F Company 13F	— denominator unverified	$103,307,388 2,089,551 shares	—	31 Mar 2023
PRICE T ROWE ASSOCIATES INC /MD/	13F Company 13F	— denominator unverified	$68,398,000 1,383,440 shares	—	31 Mar 2023

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

118

35,306,138

Rows available

118

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2023 vs Q1 2023 Across Filers

Q1 2023 holders

108

Q2 2023 holders

118

Holder diff

Investor	Q1 2023 Shares	Q2 2023 Shares	Share Diff	Share Chg %	Q1 2023 value	Q2 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend