6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15D-16 UNDER THE SECURITIESEXCHANGE ACT OF 1934

For the month of January, 2026

Commission File Number: 1-13368

POSCO HOLDINGS INC.

(Translation of registrant’s name into English)

POSCO Center, 440 Teheran-ro, Gangnam-gu, Seoul, Korea, 06194

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒   Form 40-F ☐

Changes of 15% or More in Sales or Profits/Losses

(Disclosure of POSCO HOLDINGS’ Subsidiary Company POSCO)

<br> Note that this disclosure is stated by the concerned company, thus the details may be changed according to audit results. Refer to<br>the disclosure “Submission of Audit Report” for finalized<br>details.
1. Type of financial statements				Consolidated financial statements
2. Period				Current fiscal year						Previous fiscal year
- Start date					2025-01-01						2024-01-01
- End date					2025-12-31						2024-12-31
3. Details of changes (KRW thou.)				Current fiscal<br>year			Previous fiscal<br>year			Amount<br>increased/<br>decreased			Increase/<br>decrease<br>rate (%)			Profit/Loss<br>Reversal
- Sales					43,559,136,166			44,644,092,226			-1,084,956,060			-2.4		—
- Operating income					2,226,704,112			1,732,152,969			494,551,143			28.6		—
- Net income from continuing operation before income tax					1,692,255,108			1,373,239,492			319,015,616			23.2		—
- Net income					1,300,557,567			1,078,744,000			221,813,567			20.6		—
- Classified as a large-sized corporation?				Yes
4. Financial status (KRW thou.)				Current fiscal year						Previous fiscal year
- Total assets					50,280,606,138						51,412,846,093
- Total liabilities					16,087,108,549						18,045,447,477
- Total shareholders’ equity					34,193,497,589						33,367,398,616
- Capital stock					482,403,125						482,403,125
- Capital impairment ratio (%) = [(Capital stock - total shareholders’ equity) / capital stock] × 100<br>					—						—
5. Main causes for changes in sales or profits/losses<br>amount				Operating profit increased from lower raw material prices, cost-cutting<br>efforts, and expanded sales of high-value added<br>products
6. Date of board resolution (decision date)					2026-01-29
- Attendance of outside directors		Present (No.)			—
		Absent (No.)			—
- Attendance of auditors (members of Audit Committee who are not outside directors)					—
7. Other matters to be factored into investment decisions
---	---	---
- The above earnings information is prepared on a consolidated basis in accordance with K-IFRS (Korean International Financial Reporting Standards).
- The information above has been prepared prior to being audited by outside auditors, solely for the convenience<br>of investors of the Company, and is subject to change in the review process.
- Above 6. Date of board resolution (decision date) is the submission date of pre-audited financial statements to the Securities & Futures Commission.
<br> Related disclosure		-

[Matters Related to Parent Company]

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.