GigCapital8 Corp. Schedule 13G: Lynrock Lake LP, Lynrock Lake Partners LLC and Cynthia Paul report beneficial ownership of 1,466,665 Class A ordinary shares, representing 5.4% of the class as of December 31, 2025.
The filing states this percentage is calculated based on 25,657,625 shares outstanding as of November 6, 2025, and includes shares that may be acquired within 60 days.
Positive
None.
Negative
None.
Insights
Lynrock Lake reports a passive >5% stake in GigCapital8 based on late-2025 holdings.
The filing lists 1,466,665 Class A shares, equal to 5.4%, held directly by Lynrock Lake Master and attributed to Lynrock Lake LP, Lynrock Lake Partners LLC and Cynthia Paul as reporting persons.
Ownership is calculated from 25,657,625 shares outstanding as of November 6, 2025, and the statement notes inclusion of shares that may be acquired within 60 days. Cash-flow treatment and sale intentions are not specified in the excerpt.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
GigCapital8 Corp.
(Name of Issuer)
Class A ordinary shares, par value $0.0001 per share
(Title of Class of Securities)
G3864J100
(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.
G3864J100
1
Names of Reporting Persons
Lynrock Lake LP
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
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
1,466,665.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
1,466,665.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,466,665.00
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)
5.4 %
12
Type of Reporting Person (See Instructions)
IA, PN
SCHEDULE 13G
CUSIP No.
G3864J100
1
Names of Reporting Persons
LYNROCK LAKE PARTNERS LLC
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
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
1,466,665.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
1,466,665.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,466,665.00
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)
5.4 %
12
Type of Reporting Person (See Instructions)
OO, HC
SCHEDULE 13G
CUSIP No.
G3864J100
1
Names of Reporting Persons
Paul Cynthia
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
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
1,466,665.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
1,466,665.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,466,665.00
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)
5.4 %
12
Type of Reporting Person (See Instructions)
IN, HC
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
GigCapital8 Corp.
(b)
Address of issuer's principal executive offices:
1731 Embarcadero Rd., Suite 200, Palo Alto, California, 94303
Item 2.
(a)
Name of person filing:
This Schedule 13G is being filed by (i) Lynrock Lake LP, (ii) Lynrock Lake Partners LLC, and (iii) Cynthia Paul (collectively, the "Reporting Persons").
(b)
Address or principal business office or, if none, residence:
The principal business address of the Reporting Persons is 2 International Drive, Suite 130, Rye Brook, NY 10573.
(c)
Citizenship:
(i) Lynrock Lake LP is a Delaware limited partnership, (ii) Lynrock Lake Partners LLC is a Delaware limited liability company, and (iii) Cynthia Paul is an individual and is a citizen of the United States.
(d)
Title of class of securities:
Class A ordinary shares, par value $0.0001 per share
(e)
CUSIP No.:
G3864J100
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:
Amount beneficially owned as of December 31, 2025:
Lynrock Lake LP - 1,466,665
Lynrock Lake Partners LLC - 1,466,665
Cynthia Paul - 1,466,665
(b)
Percent of class:
Percent of class as of December 31, 2025:
Lynrock Lake LP - 5.4%
Lynrock Lake Partners LLC - 5.4%
Cynthia Paul - 5.4%
Based on 25,657,625 Class A ordinary shares, par value $0.0001 per share ("Common Stock"), of GigCapital8 Corp. (the "Issuer") outstanding as of November 6, 2025, as reported in the Issuer's Form 10-Q filed with the Securities and Exchange Commission on November 6, 2025, plus shares that may be acquired by such Reporting Persons within 60 days.
The shares of the Issuer's Common Stock are held directly by Lynrock Lake Master Fund LP ("Lynrock Lake Master"). Lynrock Lake LP (the "Investment Manager") is the investment manager of Lynrock Lake Master, and pursuant to an investment management agreement, the Investment Manager has been delegated full voting and investment power over securities of the Issuer held by Lynrock Lake Master. Cynthia Paul, the Chief Investment Officer of the Investment Manager and Sole Member of Lynrock Lake Partners LLC, the general partner of the Investment Manager, may be deemed to exercise voting and investment power over securities of the Issuer held by Lynrock Lake Master.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
As of December 31, 2025, the Reporting Persons had sole power to vote or to direct the vote of 1,466,665 shares of Common Stock.
(ii) Shared power to vote or to direct the vote:
As of December 31, 2025, the Reporting Persons had shared power to vote or to direct the vote of 0 shares of Common Stock.
(iii) Sole power to dispose or to direct the disposition of:
As of December 31, 2025, the Reporting Persons had sole power to dispose or to direct the disposition of 1,466,665 shares of Common Stock.
(iv) Shared power to dispose or to direct the disposition of:
As of December 31, 2025, the Reporting Persons had shared power to dispose or to direct the disposition of 0 shares of Common Stock.
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.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
As disclosed in Item 4 of this Schedule 13G, as of December 31, 2025, Lynrock Lake Master directly held securities of the Issuer. Certain feeder funds that invest in Lynrock Lake Master may have the right to receive dividends from, or the proceeds from the sale of, the securities directly held by Lynrock Lake Master.
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.
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.
Lynrock Lake LP
Signature:
/s/ Cynthia Paul
Name/Title:
Cynthia Paul / Sole Member of Lynrock Lake Partners LLC, its general partner
What stake does Lynrock Lake report in GigCapital8 (GIW)?
Lynrock Lake reports beneficial ownership of 1,466,665 Class A shares, equal to 5.4%. The percentage is calculated from 25,657,625 shares outstanding as of November 6, 2025, and includes shares that may be acquired within 60 days.
Who are the reporting persons in the Schedule 13G for GIW?
The filing is made by Lynrock Lake LP, Lynrock Lake Partners LLC, and Cynthia Paul. Cynthia Paul is Sole Member of Lynrock Lake Partners LLC and may exercise voting and investment power over the reported shares.
How was the 5.4% ownership in GIW calculated?
The 5.4% figure uses a base of 25,657,625 Class A shares outstanding as of November 6, 2025. The filing also states it includes shares that may be acquired within 60 days in the ownership calculation.
Are the reported GIW shares held directly or on behalf of another entity?
The shares are held directly by Lynrock Lake Master Fund LP. Lynrock Lake LP is the investment manager of that fund and is delegated voting and investment power; certain feeder funds may have rights to proceeds from those holdings.
Does the Schedule 13G indicate sale or purchase intent for GIW shares?
The filing reports beneficial ownership and voting/dispositive power but does not state any intent to buy or sell. It notes calculation includes shares that may be acquired within 60 days, without specifying transaction plans.
