Schedule 13G/A: Alyeska Discloses 1,643,897 Shares of Sunrun (RUN)

Rhea-AI Filing Summary

Sunrun Inc. (RUN) received a joint Schedule 13G/A filing showing that Alyeska Investment Group, L.P., Alyeska Fund GP, LLC and Anand Parekh together beneficially own 1,643,897 shares of Sunrun common stock, representing 0.72% of the outstanding shares. The filing states these shares are held with shared voting and dispositive power and were owned as of June 30, 2025. The percentage uses 228,486,470 outstanding shares based on Sunrun's May 7, 2025 10-Q. The filers certify the holdings were acquired in the ordinary course of business and not to influence control, and they executed a joint filing agreement.

Insights

Financial Analyst

TL;DR: A small institutional stake (0.72%) disclosed; unlikely to move markets or affect corporate control.

The Schedule 13G/A reports a passive, sub-5% position by Alyeska-related entities and an individual, which the filers state is held in the ordinary course of business and not for control purposes. At 1.64 million shares versus 228.49 million outstanding, this holding is immaterial to ownership concentration and unlikely to alter Sunrun's governance or strategic direction. The filing provides clear voting and dispositive power allocation (shared) and cites the 10-Q for the share count base, which supports transparency.

Corporate Governance Expert

TL;DR: Disclosure meets regulatory standards; no indication of coordinated control or activist intent.

The joint Schedule 13G/A and the signed joint filing statement indicate compliance with Rule 13d-1(k) filing practices for passive investors. The certification that the position was not acquired to influence control, together with the sub-5% threshold, classifies the filing as passive ownership rather than an active Section 13(d) pursuit. The document identifies shared voting/dispositive power but does not allege group control, and it includes appropriate signatories and dates, fulfilling procedural governance disclosure requirements.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Sunrun Inc.

(Name of Issuer)

Common Stock, $0.0001 par value per share

(Title of Class of Securities)

86771W105

(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. 86771W105

1

Names of Reporting Persons

Alyeska Investment Group, 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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,643,897.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,643,897.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,643,897.00

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)

.72 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

CUSIP No. 86771W105

1

Names of Reporting Persons

Alyeska Fund GP, 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 0.00
6	Shared Voting Power 1,643,897.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,643,897.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,643,897.00

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)

.72 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

CUSIP No. 86771W105

1

Names of Reporting Persons

Anand Parekh

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 0.00
6	Shared Voting Power 1,643,897.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,643,897.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,643,897.00

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)

.72 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Sunrun Inc.
(b)	Address of issuer's principal executive offices: 600 California Street, Suite 1800, San Francisco, California 94108
Item 2.
(a)	Name of person filing: (i) Alyeska Investment Group, L.P. (ii) Alyeska Fund GP, LLC (iii) Anand Parekh
(b)	Address or principal business office or, if none, residence: (i) 77 West Wacker Drive, 7th Floor, Chicago, IL 60601 (ii) 77 West Wacker Drive, 7th Floor, Chicago, IL 60601 (iii) 77 West Wacker Drive, 7th Floor, Chicago, IL 60601
(c)	Citizenship: (i) Alyeska Investment Group, L.P. - Delaware (ii) Alyeska Fund GP, LLC - Delaware (iii) Anand Parekh - United States of America
(d)	Title of class of securities: Common Stock, $0.0001 par value per share
(e)	CUSIP No.: 86771W105
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: 1,643,897
(b)	Percent of class: .72%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 1,643,897
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 1,643,897
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.

Alyeska Investment Group, L.P.

Signature:	Jason Bragg
Name/Title:	Jason Bragg | Chief Financial Officer
Date:	08/14/2025

Alyeska Fund GP, LLC

Signature:	Jason Bragg
Name/Title:	Jason Bragg | Chief Financial Officer
Date:	08/14/2025

Anand Parekh

Signature:	Anand Parekh
Name/Title:	Anand Parekh | Self
Date:	08/14/2025

Exhibit Information

Item 4. Ownership: The reporting persons are the beneficial owners of 1,643,897 shares of Common Stock of the Issuer as of June 30, 2025. The percentage calculation assumes that there are currently 228,486,470 outstanding shares of Common Stock of the Issuer, based on the Issuer's 10-Q filed with the Securities and Exchange Commission on May 7, 2025. JOINT FILING STATEMENT PURSUANT TO RULE 13d-1(k) The undersigned acknowledge and agree that the foregoing statement on SCHEDULE 13G/A, is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on SCHEDULE 13G/A, shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate.

FAQ

What stake in Sunrun (RUN) is disclosed by Alyeska in this filing?

The filing discloses a beneficial ownership of 1,643,897 shares, representing 0.72% of Sunrun's common stock as of June 30, 2025.

Who filed the Schedule 13G/A for Sunrun (RUN)?

The filing was made jointly by Alyeska Investment Group, L.P., Alyeska Fund GP, LLC, and Anand Parekh.

Are the holdings reported as active or passive in the Schedule 13G/A?

The filers certify the securities were acquired and are held in the ordinary course of business and not to change or influence control, consistent with a passive Schedule 13G classification.

What voting and dispositive powers are reported for the shares?

The filing reports 0 sole voting power, 1,643,897 shared voting power, 0 sole dispositive power, and 1,643,897 shared dispositive power.

What share count did the filers use to calculate the percentage ownership?

The percentage is calculated using 228,486,470 outstanding shares, based on Sunrun's 10-Q filed May 7, 2025.