Viomi Technology Co., Ltd. received an updated ownership disclosure in Amendment No. 5 to a Schedule 13G/A from an investor group led by Koh Tuck Lye and affiliated Shunwei entities. The Reporting Persons collectively report beneficial ownership of 15,355,371 Class A ordinary shares, represented by 5,118,457 ADSs, as of December 31, 2025, equal to 15.2% of the Class A shares.
These shares are directly held by Shunwei Talent Limited and indirectly controlled through Shunwei China Internet Fund II, L.P. and its general partners, up to Shunwei Capital Partners II GP Limited, which is controlled by Koh Tuck Lye. The filing also notes Viomi’s dual-class structure, with Class B shares convertible one-for-one into Class A and carrying ten votes per share versus one vote for each Class A share, based on share counts disclosed as of July 31, 2025.
Positive
None.
Negative
None.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 5)
Viomi Technology Co., Ltd
(Name of Issuer)
Class A ordinary shares, $0.00001 par value per share
(Title of Class of Securities)
92762J103
(CUSIP Number)
12/31/2025
(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)
SCHEDULE 13G
CUSIP No.
92762J103
1
Names of Reporting Persons
Koh Tuck Lye
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
SINGAPORE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
15,355,371.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
15,355,371.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
15,355,371.00
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)
15.2 %
12
Type of Reporting Person (See Instructions)
IN
Comment for Type of Reporting Person: For rows 5, 7 and 9: Represents 15,355,371 Class A ordinary shares (represented by 5,118,457 ADSs) held by Shunwei Talent Limited. Shunwei Talent Limited is wholly owned by Shunwei China Internet Fund II, L.P. The general partner of Shunwei China Internet Fund II, L.P. is Shunwei Capital Partners II GP, L.P., and the general partner of Shunwei Capital Partners II GP, L.P. is Shunwei Capital Partners II GP Limited, which is controlled by Mr. Koh Tuck Lye.
SCHEDULE 13G
CUSIP No.
92762J103
1
Names of Reporting Persons
Shunwei Capital Partners II GP Limited
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
CAYMAN ISLANDS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
15,355,371.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
15,355,371.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
15,355,371.00
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)
15.2 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: For rows 5, 7 and 9: Represents 15,355,371 Class A ordinary shares (represented by 5,118,457 ADSs) held by Shunwei Talent Limited. Shunwei Talent Limited is wholly owned by Shunwei China Internet Fund II, L.P. The general partner of Shunwei China Internet Fund II, L.P. is Shunwei Capital Partners II GP, L.P., and the general partner of Shunwei Capital Partners II GP, L.P. is Shunwei Capital Partners II GP Limited.
SCHEDULE 13G
CUSIP No.
92762J103
1
Names of Reporting Persons
Shunwei Capital Partners II GP, L.P.
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
CAYMAN ISLANDS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
15,355,371.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
15,355,371.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
15,355,371.00
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)
15.2 %
12
Type of Reporting Person (See Instructions)
PN
Comment for Type of Reporting Person: For rows 5, 7 and 9: Represents 15,355,371 Class A ordinary shares (represented by 5,118,457 ADSs) held by Shunwei Talent Limited. Shunwei Talent Limited is wholly owned by Shunwei China Internet Fund II, L.P. The general partner of Shunwei China Internet Fund II, L.P. is Shunwei Capital Partners II GP, L.P.
SCHEDULE 13G
CUSIP No.
92762J103
1
Names of Reporting Persons
Shunwei China Internet Fund II, L.P.
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
CAYMAN ISLANDS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
15,355,371.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
15,355,371.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
15,355,371.00
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)
15.2 %
12
Type of Reporting Person (See Instructions)
PN
Comment for Type of Reporting Person: For rows 5, 7 and 9: Represents 15,355,371 Class A ordinary shares (represented by 5,118,457 ADSs) held by Shunwei Talent Limited. Shunwei Talent Limited is wholly owned by Shunwei China Internet Fund II, L.P.
SCHEDULE 13G
CUSIP No.
92762J103
1
Names of Reporting Persons
Shunwei Talent Limited
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
VIRGIN ISLANDS, BRITISH
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
15,355,371.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
15,355,371.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
15,355,371.00
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)
15.2 %
12
Type of Reporting Person (See Instructions)
CO
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Viomi Technology Co., Ltd
(b)
Address of issuer's principal executive offices:
Wansheng Square, Rm 1302 Tower C Xingang East Road, Haizhu District Guangzhou, Guangdong, F4, 510220
Item 2.
(a)
Name of person filing:
(i) Koh Tuck Lye,
(ii) Shunwei Capital Partners II GP Limited,
(iii) Shunwei Capital Partners II GP, L.P.,
(iv) Shunwei China Internet Fund II, L.P., and
(v) Shunwei Talent Limited (collectively, the "Reporting Persons")
(b)
Address or principal business office or, if none, residence:
(i) Koh Tuck Lye
111 Somerset Road, TripleOne Somerset, #07-07 Singapore 238164
(ii) Shunwei Capital Partners II GP Limited
Campbells Corporate Services Limited, Floor 4, Willow House, Cricket Square, PO Box 268, Grand Cayman KY1-1104, Cayman Islands
(iii) Shunwei Capital Partners II GP, L.P.
Campbells Corporate Services Limited, Floor 4, Willow House, Cricket Square, PO Box 268, Grand Cayman KY1-1104, Cayman Islands
(iv) Shunwei China Internet Fund II, L.P.
Campbells Corporate Services Limited, Floor 4, Willow House, Cricket Square, PO Box 268, Grand Cayman KY1-1104, Cayman Islands
(v) Shunwei Talent Limited
Vistra Corporate Services Center, Wickhams Cay II, Road Town, Tortola, VG 1110, British Virgin Islands
(c)
Citizenship:
(i) Koh Tuck Lye - Singapore
(ii) Shunwei Capital Partners II GP Limited - Cayman Islands
(iii) Shunwei Capital Partners II GP, L.P. - Cayman Islands
(iv) Shunwei China Internet Fund II, L.P. - Cayman Islands
(v) Shunwei Talent Limited - British Virgin Islands
(d)
Title of class of securities:
Class A ordinary shares, $0.00001 par value per share
(e)
CUSIP No.:
92762J103
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:
The information required by Item 4(a) is set forth in Row 9 of the cover page for each Reporting Person and is incorporated herein by reference.
(b)
Percent of class:
The information required by Item 4(b) is set forth in Row 11 of the cover page for each Reporting Person and is incorporated herein by reference.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for each Reporting Person and is incorporated herein by reference.
As of December 31, 2025, 15,355,371 Class A ordinary shares (represented by 5,118,457 ADSs) were directly held by Shunwei Talent Limited. Shunwei Talent Limited is wholly owned by Shunwei China Internet Fund II, L.P. The general partner of Shunwei China Internet Fund II, L.P. is Shunwei Capital Partners II GP, L.P., and the general partner of Shunwei Capital Partners II GP, L.P. is Shunwei Capital Partners II GP Limited, which is controlled by Mr. Koh Tuck Lye.
The percentage of class of securities beneficially owned by each Reporting Person is based on 101,125,867 Class A ordinary shares of the Issuer as of July 31, 2025, and the percentage of aggregate voting power is based on 101,125,867 Class A ordinary shares and 102,764,548 Class B ordinary shares of the Issuer as of July 31, 2025, as disclosed in the Issuer's annual report for the fiscal year of 2024. Class B ordinary shares are convertible at any time by the holder thereof into Class A ordinary shares on a one-for-one basis. Class A ordinary shares are not convertible into Class B ordinary shares under any circumstances. Each holder of Class A ordinary shares is entitled to one vote per share and each holder of our Class B ordinary shares is entitled to ten votes per share on all matters submitted to them for vote.
(ii) Shared power to vote or to direct the vote:
The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for each Reporting Person and is incorporated herein by reference.
(iii) Sole power to dispose or to direct the disposition of:
The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for each Reporting Person and is incorporated herein by reference.
(iv) Shared power to dispose or to direct the disposition of:
The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for each Reporting Person and is incorporated herein by reference.
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:
Not Applicable
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.
Koh Tuck Lye
Signature:
/s/ Koh Tuck Lye
Name/Title:
Koh Tuck Lye
Date:
02/11/2026
Shunwei Capital Partners II GP Limited
Signature:
/s/ Koh Tuck Lye
Name/Title:
Koh Tuck Lye/Director
Date:
02/11/2026
Shunwei Capital Partners II GP, L.P.
Signature:
/s/ Koh Tuck Lye
Name/Title:
Koh Tuck Lye/Authorized Representative
Date:
02/11/2026
Shunwei China Internet Fund II, L.P.
Signature:
/s/ Koh Tuck Lye
Name/Title:
Koh Tuck Lye/Authorized Representative
Date:
02/11/2026
Shunwei Talent Limited
Signature:
/s/ Koh Tuck Lye
Name/Title:
Koh Tuck Lye/Director
Date:
02/11/2026
Exhibit Information
LIST OF EXHIBITS
Exhibit No. Description
A* Joint Filing Agreement by and among the Reporting Persons as Exhibit 99.(A) to the Schedule 13G filed with the U.S. Securities and Exchange Commission on February 1, 2019
* Previously filed
What ownership stake in Viomi Technology (VIOT) is reported in this Schedule 13G/A?
The Reporting Persons disclose beneficial ownership of 15,355,371 Class A ordinary shares, or 15.2% of that class. These shares are represented by 5,118,457 ADSs and reflect holdings as of December 31, 2025, based on Viomi’s disclosed share counts.
Who are the Reporting Persons in the Viomi Technology (VIOT) Schedule 13G/A amendment?
The Reporting Persons are Koh Tuck Lye and four affiliated Shunwei entities. These include Shunwei Capital Partners II GP Limited, Shunwei Capital Partners II GP, L.P., Shunwei China Internet Fund II, L.P., and Shunwei Talent Limited, which directly holds the Viomi Class A ordinary shares.
How are the Viomi Technology (VIOT) shares held within the Shunwei structure?
The 15,355,371 Class A ordinary shares are directly held by Shunwei Talent Limited. Shunwei Talent Limited is wholly owned by Shunwei China Internet Fund II, L.P., whose general partner is Shunwei Capital Partners II GP, L.P., ultimately controlled by Shunwei Capital Partners II GP Limited.
What is the relationship of Koh Tuck Lye to the Viomi (VIOT) shareholding reported?
Koh Tuck Lye is identified as controlling Shunwei Capital Partners II GP Limited. Through this control, he is deemed to beneficially own the 15,355,371 Class A ordinary shares held via the Shunwei investment structure, giving him the same reported 15.2% Class A interest.
How does Viomi Technology’s (VIOT) dual-class structure affect voting power?
Each Class A ordinary share carries one vote, while each Class B ordinary share carries ten votes. Class B shares are convertible into Class A on a one-for-one basis, influencing overall voting power relative to economic ownership as disclosed using July 31, 2025 share counts.
What ADS position corresponds to the Viomi (VIOT) shareholding disclosed by Shunwei?
The reported 15,355,371 Class A ordinary shares are represented by 5,118,457 ADSs. This links the underlying ordinary share position to the U.S.-traded ADSs, clarifying how the beneficial ownership translates into exchange-listed securities.
