6-K - QFIN - Equibles

UNITED STATESSECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TORULE13a-16 OR 15d-16 UNDERTHE SECURITIES EXCHANGE ACT OF 1934

For the month of March 2026

Commission File Number 001-38752

Qfin Holdings, Inc.

(Translation of registrant’s name into English)

Building 1, No. 98 Qingyijiang Road

Putuo District, Shanghai 200333

People’s Republic of China

(Address of principal executive office)

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 x Form 40-F ¨

Exhibit Index

Exhibit 99.1 — Announcement — Date of Board Meeting and Date of Publication of Fourth Quarter and Full Year 2025 Financial Results Announcement

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.

	Qfin Holdings, Inc.
	By:	/s/ Alex Xu
	Name:	Alex Xu
	Title:	Director and Chief Financial Officer
Date: March 5, 2026

Exhibit 99.1

HongKong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement,make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arisingfrom or in reliance upon the whole or any part of the contents of this announcement.

QfinHoldings, Inc.

奇富科技股份有限公司

(Incorporatedin the Cayman Islands with limited liability)

(Stock Code: 3660)

DATEOF BOARD MEETING AND

DATEOF PUBLICATION OF FOURTH QUARTER AND FULL YEAR 2025 FINANCIAL RESULTS ANNOUNCEMENT

The board of directors (the “Board”) of Qfin Holdings, Inc. (the “Company”) will hold a Board meeting on Tuesday, March 17, 2026 (Beijing/Hong Kong time) for the purposes of, among other things, approving the Company’s unaudited financial results and announcement for the fourth quarter and full year ended December 31, 2025 (the “Q4 2025 and FY 2025 Financial Results”) and considering the recommendation for payment of dividend, if any. The Company will announce the Q4 2025 and FY 2025 Financial Results on Wednesday, March 18, 2026 (Beijing/Hong Kong time) on the website of The Stock Exchange of Hong Kong Limited at www.hkexnews.hk and the Company’s website at https://ir.qfin.com, before the trading hours of The Stock Exchange of Hong Kong Limited.

The Company’s management team will host an earnings call at 8:30 p.m. U.S. Eastern Time on Tuesday, March 17, 2026 (8:30 a.m. Beijing/Hong Kong Time on Wednesday, March 18, 2026).

All participants who wish to join the conference call must pre-register online using the link provided below.

Registration Link: https://s1.c-conf.com/diamondpass/10053496-puzjin.html

Upon registration, each participant will receive details for the conference call, including dial-in numbers and a unique access PIN. Please dial in 10 minutes before the call is scheduled to begin.

Additionally, a live and archived webcast of the conference call will be available on the Investor Relations section of the Company’s website at https://ir.qfin.com.

By order of the Board
Qfin Holdings, Inc.
Haisheng Wu
Chief Executive Officer

Hong Kong, March 5, 2026

As atthe date of this announcement, the board of directors of the Company comprises Mr. Haisheng Wu, Mr. Alex Zuoli Xu and Mr. Dan Zhao asDirectors; and Mr. Gang Xiao, Mr. Andrew Y Yan, Mr. Fan Zhao, Mr. Eric Xiaohuan Chen, Mr. Xiangge Liu and Ms. Jiao Jiao as IndependentDirectors.