Eos Energy (EOSE) 15.17M-Share Disclosure Represents 5.8% Stake

Eos Energy Enterprises, Inc. received a Schedule 13G showing a group of related reporting persons collectively beneficially own 15,168,902 shares of common stock, representing 5.8% of the outstanding class (256,476,521 shares outstanding as of June 30, 2025).

Rhea-AI Filing Summary

Eos Energy Enterprises, Inc. received a Schedule 13G showing a group of related reporting persons collectively beneficially own 15,168,902 shares of common stock, representing 5.8% of the outstanding class (256,476,521 shares outstanding as of June 30, 2025). The filing names Capital Ventures International, Susquehanna Advisors Group, Inc., G1 Execution Services, LLC, SIG Brokerage, LP and Susquehanna Securities, LLC and lists the issuer's principal executive offices in Edison, New Jersey.

The filing discloses that the reported holdings include shares issuable on conversion of convertible notes (Capital Ventures), warrants exercisable for 591 shares (G1 Execution) and options to buy 4,682,600 shares (Susquehanna Securities). The Reporting Persons state the securities are held in the ordinary course of business and not to influence control of the issuer.

Positive

• Material institutional disclosure: Reporting group holds 15,168,902 shares, representing 5.8% of the class, increasing transparency for investors.
• Clear attribution: Filing identifies each reporting person and specifies sole and shared voting/dispositive power, providing clarity on control relationships.
• Ordinary-course declaration: Reporting persons certify holdings are held in the ordinary course of business and not to influence control, indicating passive intent.

Negative

• Potential dilution disclosed: Holdings include shares issuable on conversion of convertible notes, 591 warrants, and 4,682,600 options, which could dilute existing shareholders if exercised or converted.
• Complex ownership structure: Multiple affiliated broker-dealers and an investment manager are treated as a group, which may complicate assessment of voting alignment and future actions.

Insights

Securities Analyst

TL;DR: A Susquehanna-linked group discloses a material, passive >5% stake in EOSE, including convertible and option-linked exposures.

The Schedule 13G reports an aggregate beneficial ownership of 15,168,902 shares (5.8%) held by a group of affiliated entities. The position is reported under Rule 13d-1 and the filers state holdings are in the ordinary course of business, indicating a passive intent rather than an active control strategy. Material elements include convertible notes, warrants and options that create contingent dilution exposure (notably 4,682,600 options and warrants and conversion rights referenced). For investors, this filing increases transparency around a notable institutional position and potential dilution sources.

Corporate Governance Expert

TL;DR: The disclosure clarifies voting and dispositive arrangements among affiliated broker-dealers and investment manager.

The report delineates sole and shared voting/dispositive power across the reporting persons (e.g., Capital Ventures sole voting 4,215,686; Susquehanna Securities sole voting 10,932,257; shared voting 15,168,902). The filing also notes a Limited Power of Attorney and a joint filing agreement as exhibits, which formalize centralized agency and reporting. This structure explains coordinated disclosure while each entity disclaims ownership of shares held directly by others.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake in EOSE does the filing report?

The Schedule 13G reports an aggregate beneficial ownership of 15,168,902 shares, equal to 5.8% of the outstanding common stock.

Who are the reporting persons in the EOSE Schedule 13G?

The filing lists Capital Ventures International, Susquehanna Advisors Group, Inc., G1 Execution Services, LLC, SIG Brokerage, LP and Susquehanna Securities, LLC as the reporting persons.

Does the filing disclose convertible securities or options for EOSE?

Yes. The filing states Capital Ventures' count includes shares issuable on conversion of convertible notes, G1 Execution includes 591 warrants, and Susquehanna Securities includes options to buy 4,682,600 shares.

Is the reported position intended to influence control of Eos Energy (EOSE)?

No. By certification, the reporting persons state the securities are held in the ordinary course of business and were not acquired to change or influence control of the issuer.

How many EOSE shares were outstanding for the percent calculation?

The filing references 256,476,521 shares outstanding as of June 30, 2025, which is the basis for the 5.8% figure.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/14/2025 - 10:29 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Eos Energy Enterprises, Inc.

(Name of Issuer)

Common stock, $0.0001 par value per share

(Title of Class of Securities)

29415C101

(CUSIP Number)

06/30/2025

(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 4,215,686.00
6	Shared Voting Power 15,168,902.00
7	Sole Dispositive Power 4,215,686.00
8	Shared Dispositive Power 15,168,902.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

15,168,902.00

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)

5.8 %

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 15,168,902.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 15,168,902.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

15,168,902.00

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)

5.8 %

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 7,911.00
6	Shared Voting Power 15,168,902.00
7	Sole Dispositive Power 7,911.00
8	Shared Dispositive Power 15,168,902.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

15,168,902.00

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)

5.8 %

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 13,048.00
6	Shared Voting Power 15,168,902.00
7	Sole Dispositive Power 13,048.00
8	Shared Dispositive Power 15,168,902.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

15,168,902.00

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)

5.8 %

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 10,932,257.00
6	Shared Voting Power 15,168,902.00
7	Sole Dispositive Power 10,932,257.00
8	Shared Dispositive Power 15,168,902.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

15,168,902.00

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)

5.8 %

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 G1 Execution Services, LLC includes 591 Shares issuable upon the exercise of warrants to purchase Shares. The number of Shares reported as beneficially owned by Susquehanna Securities, LLC includes options to buy 4,682,600 Shares. The Company's Quarterly Report on Form 10-Q, filed on July 30, 2025, indicates that there were 256,476,521 Shares outstanding as of June 30, 2025.
(b)	Percent of class: 5.8 %
(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.
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:	08/13/2025

Susquehanna Advisors Group, Inc.

Signature:	/s/ Brian Sopinsky
Name/Title:	Brian Sopinsky, Assistant Secretary
Date:	08/13/2025

G1 Execution Services, LLC

Signature:	/s/ Brian Sopinsky
Name/Title:	Brian Sopinsky, Secretary
Date:	08/13/2025

SIG Brokerage, LP

Signature:	/s/ Brian Sopinsky
Name/Title:	Brian Sopinsky, Assistant Secretary
Date:	08/13/2025

Susquehanna Securities, LLC

Signature:	/s/ Brian Sopinsky
Name/Title:	Brian Sopinsky, Secretary
Date:	08/13/2025

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 is attached as Exhibit 24 hereto.

Exhibit Information

EXHIBIT INDEX EXHIBIT DESCRIPTION ________ ________ 24 Limited Power of Attorney 99 Joint Filing Agreement