# EDGAR Filing Document

**Accession Number:** 0001595725
**File Stem:** 0001172661-23-001250
**Filing Date:** 2023-2
**Character Count:** 16350
**Document Hash:** cfbb65a609316536edc35cd8a8ae611b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001172661-23-001250.hdr.sgml**: 20230214

**ACCESSION NUMBER**: 0001172661-23-001250

**CONFORMED SUBMISSION TYPE**: SC 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230214

**DATE AS OF CHANGE**: 20230214

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Immunocore Holdings plc
- **CENTRAL INDEX KEY:** 0001671927
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** X0
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-92246
- **FILM NUMBER:** 23627539

**BUSINESS ADDRESS:**
- **STREET 1:** 90 PARK DRIVE
- **STREET 2:** MILTON PARK, ABINGDON
- **CITY:** OXFORDSHIRE
- **STATE:** X0
- **ZIP:** OX14 4RY
- **BUSINESS PHONE:** 01235 5430281

**MAIL ADDRESS:**
- **STREET 1:** 90 PARK DRIVE
- **STREET 2:** MILTON PARK, ABINGDON
- **CITY:** OXFORDSHIRE
- **STATE:** X0
- **ZIP:** OX14 4RY

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Immunocore Ltd
- **DATE OF NAME CHANGE:** 20160412
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Rock Springs Capital Management LP
- **CENTRAL INDEX KEY:** 0001595725
- **IRS NUMBER:** 800944416
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A

**BUSINESS ADDRESS:**
- **STREET 1:** 650 SOUTH EXETER STREET
- **STREET 2:** SUITE 1070
- **CITY:** BALTIMORE
- **STATE:** MD
- **ZIP:** 21202
- **BUSINESS PHONE:** 4102200129

**MAIL ADDRESS:**
- **STREET 1:** 650 SOUTH EXETER STREET
- **STREET 2:** SUITE 1070
- **CITY:** BALTIMORE
- **STATE:** MD
- **ZIP:** 21202

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**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION<br> Washington, DC 20549**

**SCHEDULE 13G/A**

<br> **Under the Securities Exchange Act of 1934**

**(Amendment No. 2)\***

**Immunocore Holdings plc**

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| |
|:---|
| &nbsp;&nbsp;(Name of Issuer) |
| &nbsp;&nbsp; <br> **O**rdinary Share, nominal value £0.002 per share** |
| &nbsp;&nbsp;(Title of Class of Securities) |
| &nbsp;&nbsp; <br> **45258D105\*\*** |
| &nbsp;&nbsp;(CUSIP Number) |
| &nbsp;&nbsp; **December 31, 2022** |
| &nbsp;&nbsp;(Date of Event Which Requires Filing of this Statement) |

---

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

□ Rule 13d-1(b)

⌧ Rule 13d-1(c)

□ Rule 13d-1(d)

\*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

\*\*This CUSIP number applies to the Issuer's American Depositary Shares ("ADSs"). Each one ADS represents one Ordinary Share. No CUSIP has been assigned to the Ordinary Shares.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

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| | | |
|:---|:---|:---|
| **CUSIP No. 45258D105** | **SCHEDULE 13G/A** | &nbsp;&nbsp;&nbsp; **Page 2 of 9 Pages** |

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| | | | | |
|:---|:---|:---|:---|:---|
| 1 | NAME OF REPORTING PERSONS<br>Rock Springs Capital Management LP | NAME OF REPORTING PERSONS<br>Rock Springs Capital Management LP | NAME OF REPORTING PERSONS<br>Rock Springs Capital Management LP | NAME OF REPORTING PERSONS<br>Rock Springs Capital Management LP |
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP <br> (a) □<br> (b) □ | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP <br> (a) □<br> (b) □ | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP <br> (a) □<br> (b) □ |  |
| 3 | SEC USE ONLY | SEC USE ONLY | SEC USE ONLY | SEC USE ONLY |
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 5 | SOLE VOTING POWER<br>0 | SOLE VOTING POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 6 | SHARED VOTING POWER<br>3,321,066 | SHARED VOTING POWER<br>3,321,066 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 7 | SOLE DISPOSITIVE POWER<br>0 | SOLE DISPOSITIVE POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 8 | SHARED DISPOSITIVE POWER<br>3,321,066 | SHARED DISPOSITIVE POWER<br>3,321,066 |
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>3,321,066 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>3,321,066 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>3,321,066 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>3,321,066 |
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | o |
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br>7.33% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br>7.33% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br>7.33% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br>7.33% |
| 12 | TYPE OF REPORTING PERSON <br>IA | TYPE OF REPORTING PERSON <br>IA | TYPE OF REPORTING PERSON <br>IA | TYPE OF REPORTING PERSON <br>IA |

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| | | |
|:---|:---|:---|
| **CUSIP No. 45258D105** | **SCHEDULE 13G/A** | &nbsp;&nbsp;&nbsp; **Page 3 of 9 Pages** |

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| | | | | |
|:---|:---|:---|:---|:---|
| 1 | NAME OF REPORTING PERSONS<br>Rock Springs Capital LLC | NAME OF REPORTING PERSONS<br>Rock Springs Capital LLC | NAME OF REPORTING PERSONS<br>Rock Springs Capital LLC | NAME OF REPORTING PERSONS<br>Rock Springs Capital LLC |
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP <br> (a) □<br> (b) □ | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP <br> (a) □<br> (b) □ | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP <br> (a) □<br> (b) □ |  |
| 3 | SEC USE ONLY | SEC USE ONLY | SEC USE ONLY | SEC USE ONLY |
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 5 | SOLE VOTING POWER<br>0 | SOLE VOTING POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 6 | SHARED VOTING POWER<br>3,321,066 | SHARED VOTING POWER<br>3,321,066 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 7 | SOLE DISPOSITIVE POWER<br>0 | SOLE DISPOSITIVE POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 8 | SHARED DISPOSITIVE POWER<br>3,321,066 | SHARED DISPOSITIVE POWER<br>3,321,066 |
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>3,321,066 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>3,321,066 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>3,321,066 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>3,321,066 |
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | o |
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br>7.33% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br>7.33% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br>7.33% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br>7.33% |
| 12 | TYPE OF REPORTING PERSON <br>OO; HC | TYPE OF REPORTING PERSON <br>OO; HC | TYPE OF REPORTING PERSON <br>OO; HC | TYPE OF REPORTING PERSON <br>OO; HC |

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| | | |
|:---|:---|:---|
| **CUSIP No. 45258D105** | **SCHEDULE 13G/A** | &nbsp;&nbsp;&nbsp; **Page 4 of 9 Pages** |

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| | | | | |
|:---|:---|:---|:---|:---|
| 1 | NAME OF REPORTING PERSONS<br>Rock Springs Capital Master Fund LP | NAME OF REPORTING PERSONS<br>Rock Springs Capital Master Fund LP | NAME OF REPORTING PERSONS<br>Rock Springs Capital Master Fund LP | NAME OF REPORTING PERSONS<br>Rock Springs Capital Master Fund LP |
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP <br> (a) □<br> (b) □ | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP <br> (a) □<br> (b) □ | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP <br> (a) □<br> (b) □ |  |
| 3 | SEC USE ONLY | SEC USE ONLY | SEC USE ONLY | SEC USE ONLY |
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Cayman Islands | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Cayman Islands | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Cayman Islands | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Cayman Islands |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 5 | SOLE VOTING POWER<br>0 | SOLE VOTING POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 6 | SHARED VOTING POWER<br>2,972,500 | SHARED VOTING POWER<br>2,972,500 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 7 | SOLE DISPOSITIVE POWER<br>0 | SOLE DISPOSITIVE POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 8 | SHARED DISPOSITIVE POWER<br>2,972,500 | SHARED DISPOSITIVE POWER<br>2,972,500 |
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>2,972,500 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>2,972,500 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>2,972,500 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>2,972,500 |
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | o |
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br>6.56% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br>6.56% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br>6.56% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br>6.56% |
| 12 | TYPE OF REPORTING PERSON <br>PN | TYPE OF REPORTING PERSON <br>PN | TYPE OF REPORTING PERSON <br>PN | TYPE OF REPORTING PERSON <br>PN |

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| | | |
|:---|:---|:---|
| **CUSIP No. 45258D105** | **SCHEDULE 13G/A** | &nbsp;&nbsp;&nbsp; **Page 5 of 9 Pages** |

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**Item 1.** **(a) Name of Issuer**

Immunocore Holdings plc (the "Issuer")

**(b) Address of Issuer's Principal Executive Offices**

92 Park Drive

Milton Park

Abingdon, Oxfordshire OX14 4RY

United Kingdom

**Item 2.** **(a) Name of Person Filing**

This Statement is filed on behalf of each of the following persons (collectively, the "Reporting Persons"):

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;i. Rock Springs Capital Management LP ("RSCM");

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ii. Rock Springs Capital LLC ("RSC"); and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;iii. Rock Springs Capital Master Fund LP ("Master Fund").

This Statement relates to Shares (as defined herein) held directly by the Master Fund, which is a Cayman Island exempted limited partnership, and Four Pines Master Fund LP ("Four Pines"), which is a Cayman Islands exempted limited partnership, and indirectly held by RSCM, a Delaware limited partnership, and RSC, a Delaware limited liability company. RSCM serves as the investment manager to each of the Master Fund and Four Pines. RSC is the general partner of RSCM.

**(b) Address of Principal Business Office, or, if none, Residence**

**Rock Springs Capital Management LP and Rock Springs Capital LLC**

650 South Exeter, Suite 1070

Baltimore, MD 21202

**Rock Springs Capital Master Fund LP**

c/o Walkers Corporate Limited

190 Elgin Avenue

George Town, Grand Cayman, KY1-9008, Cayman Islands

**(c) Citizenship**

Rock Springs Capital Management LP - Delaware

Rock Springs Capital LLC - Delaware

Rock Springs Capital Master Fund LP - Cayman Islands

**(d) Title of Class of Securities**

Ordinary share, nominal value £0.002 per share (the "Shares")

**(e) CUSIP No.:**

45258D105\*

\* This CUSIP number applies to the Issuer's American Depositary Shares ("ADSs"). Each one ADS represents one Ordinary Share. No CUSIP has been assigned to the Ordinary Shares.

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| | | |
|:---|:---|:---|
| **CUSIP No. 45258D105** | **SCHEDULE 13G/A** | &nbsp;&nbsp;&nbsp; **Page 6 of 9 Pages** |

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(a) ◻ Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);

(b) ◻ Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

(c) ◻ Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);

(d) ◻ Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);

(e) □ An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

(f) ◻ An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

(g) ◻ A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);

(h) ◻ A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) ◻ A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the
 Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) ◻ A non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J);

(k) ◻ A group, in accordance with §240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J),
 please specify the type of institution: <u> </u> 

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|:---|:---|:---|
| **CUSIP No. 45258D105** | **SCHEDULE 13G/A** | &nbsp;&nbsp;&nbsp; **Page 7 of 9 Pages** |

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**Item 4. Ownership**

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

As of the date of this filing, each of RSC and RSCM may be deemed to be the beneficial owners of 3,321,066 Shares, which amount includes 2,972,500 ADS, each one representing one Share, directly beneficially owned by the Master Fund, and 348,566 ADS, each one representing one Share, directly beneficially owned by Four Pines. The percent of class is determined by dividing the number of Shares beneficially owned by the Reporting Persons by 45,303,698, as reported in Exhibit 99.1 to the Issuer's Form 6-K/A filed on November 18, 2022.