Eos Energy Enterprises, Inc. received an amended Schedule 13G reporting that a group of affiliated investment entities, including Capital Ventures International and several Susquehanna-branded firms, beneficially own 14,340,893.00 shares of its common stock, representing 4.5 % of the class as of 12/31/2025.
The filing notes that Capital Ventures International’s position is through shares issuable upon conversion of convertible notes, while Susquehanna Securities, LLC’s beneficial ownership includes options to buy 6,782,000 Shares. The group states the holdings are in the ordinary course of business and not for changing or influencing control. A company prospectus supplement indicated 317,544,042 Shares outstanding upon completion of a referenced offering.
Positive
None.
Negative
None.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
Eos Energy Enterprises, Inc.
(Name of Issuer)
Common Stock, $0.0001 par value per share
(Title of Class of Securities)
29415C101
(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.
29415C101
1
Names of Reporting Persons
Capital Ventures International
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
970,588.00
6
Shared Voting Power
14,340,893.00
7
Sole Dispositive Power
970,588.00
8
Shared Dispositive Power
14,340,893.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
14,340,893.00
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)
4.5 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP and Susquehanna Securities, LLC are affiliated independent broker-dealers which, together with Capital Ventures International and Susquehanna Advisors Group, Inc., may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person. With respect to Row 5 and Row 7 above, Susquehanna Advisors Group, Inc. is the investment manager to Capital Ventures International and as such may exercise voting and dispositive power over the shares directly owned by Capital Ventures International.
SCHEDULE 13G
CUSIP No.
29415C101
1
Names of Reporting Persons
Susquehanna Advisors Group, Inc.
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
PENNSYLVANIA
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
14,340,893.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
14,340,893.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
14,340,893.00
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)
4.5 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP and Susquehanna Securities, LLC are affiliated independent broker-dealers which, together with Capital Ventures International and Susquehanna Advisors Group, Inc., may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person. With respect to Row 5 and Row 7 above, Susquehanna Advisors Group, Inc. is the investment manager to Capital Ventures International and as such may exercise voting and dispositive power over the shares directly owned by Capital Ventures International.
SCHEDULE 13G
CUSIP No.
29415C101
1
Names of Reporting Persons
G1 Execution Services, 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
ILLINOIS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
3,699.00
6
Shared Voting Power
14,340,893.00
7
Sole Dispositive Power
3,699.00
8
Shared Dispositive Power
14,340,893.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
14,340,893.00
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)
4.5 %
12
Type of Reporting Person (See Instructions)
BD, OO
Comment for Type of Reporting Person: With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP and Susquehanna Securities, LLC are affiliated independent broker-dealers which, together with Capital Ventures International and Susquehanna Advisors Group, Inc., may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person.
SCHEDULE 13G
CUSIP No.
29415C101
1
Names of Reporting Persons
SIG Brokerage, 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
6,439.00
6
Shared Voting Power
14,340,893.00
7
Sole Dispositive Power
6,439.00
8
Shared Dispositive Power
14,340,893.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
14,340,893.00
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)
4.5 %
12
Type of Reporting Person (See Instructions)
BD, PN
Comment for Type of Reporting Person: With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP and Susquehanna Securities, LLC are affiliated independent broker-dealers which, together with Capital Ventures International and Susquehanna Advisors Group, Inc., may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person.
SCHEDULE 13G
CUSIP No.
29415C101
1
Names of Reporting Persons
Susquehanna Securities, 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
13,360,167.00
6
Shared Voting Power
14,340,893.00
7
Sole Dispositive Power
13,360,167.00
8
Shared Dispositive Power
14,340,893.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
14,340,893.00
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)
4.5 %
12
Type of Reporting Person (See Instructions)
BD, OO
Comment for Type of Reporting Person: With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP and Susquehanna Securities, LLC are affiliated independent broker-dealers which, together with Capital Ventures International and Susquehanna Advisors Group, Inc., may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Eos Energy Enterprises, Inc.
(b)
Address of issuer's principal executive offices:
3920 Park Avenue, Edison, NJ 08820
Item 2.
(a)
Name of person filing:
This statement is filed by the entities listed below, who are collectively referred to herein as "Reporting Persons" with respect to the shares of Common Stock, $0.0001 par value per share (the "Shares"), of Eos Energy Enterprises, Inc. (the "Company").
(i) Capital Ventures International
(ii) Susquehanna Advisors Group, Inc.
(iii) G1 Execution Services, LLC
(iv) SIG Brokerage, LP
(v) Susquehanna Securities, LLC
(b)
Address or principal business office or, if none, residence:
The address of the principal business office of Capital Ventures International is:
P.O. Box 897
Windward 1, Regatta Office Park
West Bay Road
Grand Cayman, KY1-1103
Cayman Islands
The address of the principal business office of G1 Execution Services, LLC is:
175 W. Jackson Blvd.
Suite 1700
Chicago, IL 60604
The address of the principal business office of each of SIG Brokerage, LP, Susquehanna Advisors Group, Inc. and Susquehanna Securities, LLC is:
401 E. City Avenue
Suite 220
Bala Cynwyd, PA 19004
(c)
Citizenship:
Citizenship is set forth in Row 4 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
(d)
Title of class of securities:
Common Stock, $0.0001 par value per share
(e)
CUSIP No.:
29415C101
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 this Item 4(a) is set forth in Row 9 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
The number of Shares reported as beneficially owned by Capital Ventures International consists of Shares issuable upon conversion of convertible notes. The number of Shares reported as beneficially owned by Susquehanna Securities, LLC includes options to buy 6,782,000 Shares.
The Company's Prospectus Supplement (to Prospectus dated May 29, 2025, Registration No. 333-287629), filed on November 21, 2025, indicates there were 317,544,042 Shares outstanding as of the completion of the offering of the Shares referred to therein.
(b)
Percent of class:
4.5 %
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
The information required by this Item 4(c)(i) is set forth in Row 5 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
(ii) Shared power to vote or to direct the vote:
The information required by this Item 4(c)(ii) is set forth in Row 6 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
(iii) Sole power to dispose or to direct the disposition of:
The information required by this Item 4(c)(iii) is set forth in Row 7 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
(iv) Shared power to dispose or to direct the disposition of:
The information required by this Item 4(c)(iv) is set forth in Row 8 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
Item 5.
Ownership of 5 Percent or Less of a Class.
Ownership of 5 percent or less of a class
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:
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.
Capital Ventures International
Signature:
/s/ Brian Sopinsky
Name/Title:
Brian Sopinsky, Assistant Secretary of Susquehanna Advisors Group, Inc.
Date:
02/12/2026
Susquehanna Advisors Group, Inc.
Signature:
/s/ Brian Sopinsky
Name/Title:
Brian Sopinsky, Assistant Secretary
Date:
02/12/2026
G1 Execution Services, LLC
Signature:
/s/ Brian Sopinsky
Name/Title:
Brian Sopinsky, Secretary
Date:
02/12/2026
SIG Brokerage, LP
Signature:
/s/ Brian Sopinsky
Name/Title:
Brian Sopinsky, Assistant Secretary
Date:
02/12/2026
Susquehanna Securities, LLC
Signature:
/s/ Brian Sopinsky
Name/Title:
Brian Sopinsky, Secretary
Date:
02/12/2026
Comments accompanying signature: Susquehanna Advisors Group, Inc. serves as authorized agent of Capital Ventures International pursuant to a Limited Power of Attorney, a copy of which was previously filed.
Exhibit Information
EXHIBIT INDEX
EXHIBIT DESCRIPTION
________ ________
24 Limited Power of Attorney*
99 Joint Filing Agreement*
* Previously filed
What ownership stake in EOSE is reported in this Schedule 13G/A?
The reporting group discloses beneficial ownership of 14,340,893.00 shares of Eos Energy Enterprises common stock, representing 4.5 % of the outstanding class. This percentage is based on 317,544,042 shares outstanding as referenced in a company prospectus supplement.
Who are the reporting persons in the EOSE Schedule 13G/A filing?
The filing is made by a group of entities collectively called the Reporting Persons: Capital Ventures International, Susquehanna Advisors Group, Inc., G1 Execution Services, LLC, SIG Brokerage, LP, and Susquehanna Securities, LLC. Each entity reports its own voting and dispositive powers over the shares.
How are the EOSE shares held by the reporting group structured?
Capital Ventures International’s beneficial ownership consists of shares issuable upon conversion of convertible notes. Susquehanna Securities, LLC’s reported position includes options to buy 6,782,000 Shares. Other affiliated broker-dealers and the investment adviser share voting and dispositive power over the aggregate holdings.
Does the EOSE Schedule 13G/A indicate an intent to influence control?
The certification states the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Eos Energy Enterprises. It also notes they are not held as part of any transaction with that control-related purpose.
Why is the EOSE Schedule 13G/A labeled as an amendment?
The document is marked Amendment No. 1, indicating it updates a previously filed Schedule 13G regarding ownership in Eos Energy Enterprises. The amendment refreshes disclosure of share amounts, percentage of class, and the nature of beneficial ownership as of 12/31/2025.
What voting and dispositive powers are reported for EOSE shares?
Across the group, the filing reports both sole and shared voting and dispositive powers, with 14,340,893.00 shares shown under aggregate beneficial ownership. Each reporting person disclaims beneficial ownership of shares directly held by any other reporting person in the group.