T. Rowe Price reports 16.1% stake in IMMATICS (NASDAQ: IMTX)

Rhea-AI Filing Summary

IMMATICS NV ownership disclosure: T. Rowe Price Investment Management, Inc. filed Amendment No. 4 to report beneficial ownership of 21,652,162 shares of common stock, representing 16.1% of the class. The filing lists 21,600,896 shares with sole voting power and 21,652,162 with sole dispositive power. The filing includes a formal disclaimer denying beneficial ownership in the same submission.

Insights

Institutional Ownership Analyst

Large passive position reported; voting and dispositive counts nearly identical.

T. Rowe Price reports beneficial ownership of 21,652,162 shares, or 16.1%, with 21,600,896 shares of sole voting power. This identifies a sizeable institutional stake in IMMATICS as of the amendment.

The filing is a routine regulatory disclosure under Schedule 13G/A; it includes a disclaimer that the filer denies beneficial ownership. Subsequent filings may clarify any changes in voting authority or disposition if they occur.

Key Figures

Beneficial ownership: 21,652,162 shares Percent of class: 16.1% Sole voting power: 21,600,896 shares +1 more

4 metrics

Beneficial ownership 21,652,162 shares Amount beneficially owned as reported in Item 4

Percent of class 16.1% Percent of common stock reported in Item 4(b)

Sole voting power 21,600,896 shares Number with sole power to vote reported in Item 4(c)(i)

Sole dispositive power 21,652,162 shares Number with sole power to dispose reported in Item 4(c)(iii)

Key Terms

Schedule 13G/A, Beneficial ownership, Sole dispositive power, CUSIP

4 terms

Schedule 13G/A regulatory

"Amendment No. 4 to Schedule 13G/A reporting beneficial ownership"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

Beneficial ownership financial

"Amount beneficially owned: 21652162 (b) Percent of class: 16.1 %"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Sole dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 21652162"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

CUSIP technical

"CUSIP No.: N44445109 appears on the cover lines"

A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 4)

IMMATICS NV

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

N44445109

(CUSIP Number)

03/31/2026

(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)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): N44445109

1

Names of Reporting Persons

T. Rowe Price Investment Management, Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

MARYLAND

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 21,600,896.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 21,652,162.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

21,652,162.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

16.1 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: IMMATICS NV
(b)	Address of issuer's principal executive offices: PAUL EHRLICH-STRASSE 15, TUBINGEN, 2M, 72076
Item 2.
(a)	Name of person filing: T. Rowe Price Investment Management, Inc.
(b)	Address or principal business office or, if none, residence: 1307 Point Street, Baltimore, MD 21231
(c)	Citizenship: Maryland
(d)	Title of class of securities: COMMON STOCK
(e)	CUSIP No.: N44445109
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(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). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 21652162
(b)	Percent of class: 16.1 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 21600896
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 21652162
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. T. Rowe Price Investment Management, Inc. hereby declares and affirms that the filing of Schedule 13G shall not be construed as an admission that Price Investment Management is the beneficial owner of the securities referred to, which beneficial ownership is expressly denied.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

T. Rowe Price Investment Management, Inc.

Signature:	Ellen York
Name/Title:	Vice President
Date:	05/15/2026

FAQ

What stake does T. Rowe Price report in IMMATICS (IMTX)?

T. Rowe Price reports beneficial ownership of 21,652,162 shares representing 16.1% of IMMATICS common stock. The amendment lists 21,600,896 shares with sole voting power and 21,652,162 with sole dispositive power.

Does the filing show who receives proceeds or is selling shares?

No proceeds or sales are described in this Schedule 13G/A amendment. The filing only reports ownership counts and voting/dispositive powers without any transaction or proceeds language.

What is the significance of the disclaimer denying beneficial ownership?

The filer expressly denies beneficial ownership while still reporting the counts required by Schedule 13G/A. This is a legal statement; it does not change the numeric ownership figures disclosed in the amendment.

When was the Schedule 13G/A amendment signed or dated?

The disclosure shows the signature date of 05/15/2026 on the amendment and lists a CUSIP of N44445109. These items appear on the filing's signature block and cover lines.