UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 OF

THE SECURITIES EXCHANGE ACT OF 1934

For the month of December 2021

Commission file number: 001-39278

Kingsoft Cloud Holdings Limited

(Exact Name of Registrant as Specified in Its Charter)

Building E, Xiaomi Science and Technology Park, No. 33 Xierqi Middle Road,

Haidian District

Beijing, 100085, the People’s Republic of China

(Address of Principal Executive Offices)

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

Form 20-F  ☒            Form 40-F  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  ☐

Results of Kingsoft Cloud Holdings Limited’s Extraordinary General Meeting

At Kingsoft Cloud Holdings Limited’s (“Kingsoft Cloud” or the “Company”) extraordinary general meeting of shareholders held on December 17, 2021 in Beijing, China (the “EGM”), the shareholders of the Company duly adopted the following resolutions as ordinary resolutions proposed by the Company:

Resolution 1: To elect Mr. Hangjun Ye as a director of the Company pursuant to paragraph 87(3) of the Amended and Restated Memorandum and Articles of Association of the Company.

Resolution 2: To increase the authorized share capital of the Company from US$4,000,000.00 divided into 4,000,000,000 ordinary shares with par value of US$0.001 each to US$40,000,000.00 divided into 40,000,000,000 ordinary shares with par value of US$0.001 each by creation of an additional 36,000,000,000 authorized but unissued ordinary shares with par value of US$0.001 each, and the registered office provider of the Company is instructed to make all necessary filings accordingly.

Members holding 2,830,910,716 ordinary shares were present in person or by proxy at the EGM, representing approximately 74.62% of the voting share capital of the Company as of the record date set out in the Company’s notice of the EGM dated November 5, 2021.

Safe Harbor Statement

This announcement contains forward-looking statements. These statements are made under the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by terminology such as “will,” “expects,” “anticipates,” “future,” “intends,” “plans,” “believes,” “estimates” and similar statements. Among other things, the Business Outlook, and quotations from management in this announcement, as well as Kingsoft Cloud’s strategic and operational plans, contain forward-looking statements. Kingsoft Cloud may also make written or oral forward-looking statements in its periodic reports to the U.S. Securities and Exchange Commission (“SEC”), in its annual report to shareholders, in press releases and other written materials and in oral statements made by its officers, directors or employees to fourth parties. Statements that are not historical facts, including but not limited to statements about Kingsoft Cloud’s beliefs and expectations, are forward-looking statements. Forward- looking statements involve inherent risks and uncertainties. A number of factors could cause actual results to differ materially from those contained in any forward-looking statement, including but not limited to the following: Kingsoft Cloud’s goals and strategies; Kingsoft Cloud’s future business development, results of operations and financial condition; relevant government policies and regulations relating to Kingsoft Cloud’s business and industry; the expected growth of the cloud service market in China; the expectation regarding the rate at which to gain customers, especially Premium Customers; Kingsoft Cloud’s ability to monetize the customer base; fluctuations in general economic and business conditions in China; the impact of the COVID-19 to Kingsoft Cloud’s business operations and the economy in China and elsewhere generally; China’s political or social conditions and assumptions underlying or related to any of the foregoing. Further information regarding these and other risks is included in Kingsoft Cloud’s filings with the SEC. All information provided in this press release and in the attachments is as of the date of this press release, and Kingsoft Cloud does not undertake any obligation to update any forward-looking statement, except as required under applicable law.

About Kingsoft Cloud Holdings Limited

Kingsoft Cloud Holdings Limited (NASDAQ: KC) is a leading independent cloud service provider in China. Kingsoft Cloud has built a comprehensive and reliable cloud platform consisting of extensive cloud infrastructure, cutting-edge cloud products and well-architected industry-specific solutions across public cloud and enterprise cloud.

For more information, please visit: http://ir.ksyun.com.

For investor and media inquiries, please contact:

Kingsoft Cloud Holdings Limited

Nicole Shan

Tel: +86 (10) 6292-7777 Ext. 6300

Email: ksc-ir@kingsoft.com

Christensen In China

Mr. Eric Yuan

Phone: +86-10-5900-1548

E-mail: Eyuan@christensenir.com

In US

Ms. Linda Bergkamp

Phone: +1-480-614-3004

E-mail: lbergkamp@christensenir.com

SIGNATURE

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.