State Street (AOSL: AOSL) discloses 7.8% Alpha & Omega Semiconductor ownership

Rhea-AI Filing Summary

State Street Corporation and its affiliate SSGA Funds Management, Inc. report significant ownership of Alpha & Omega Semiconductor Ltd common stock. They beneficially own 2,347,448 shares of common stock, representing 7.8% of the class, with shared power over both voting and disposition of these shares and no sole voting or dispositive power. Within this, SSGA Funds Management, Inc. is reported with 1,766,810 shares, or 5.9% of the class. Several State Street Global Advisors entities are identified as investment adviser subsidiaries involved in holding these securities. The filing is executed by senior officers on August 7, 2026.

Key Figures

Beneficial ownership: 2,347,448 shares Percent of class: 7.8 % Shared voting power: 2,286,131 shares +4 more

7 metrics

Beneficial ownership 2,347,448 shares Common stock of Alpha & Omega Semiconductor beneficially owned by State Street and affiliates

Percent of class 7.8 % Portion of Alpha & Omega Semiconductor common stock class held by State Street and affiliates

Shared voting power 2,286,131 shares Shares over which the reporting persons have shared power to vote or direct the vote

Shared dispositive power 2,347,448 shares Shares over which the reporting persons have shared power to dispose or direct disposition

SSGA FM beneficial ownership 1,766,810 shares Shares beneficially owned by SSGA Funds Management, Inc., representing 5.9% of the class

SSGA FM percent of class 5.9 % Portion of Alpha & Omega Semiconductor common stock held by SSGA Funds Management, Inc.

Signature date 08/07/2026 Date on which senior officers certified the ownership information

Key Terms

beneficially owned, shared power to vote, shared power to dispose, parent holding company, +1 more

5 terms

beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 2347448.00"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

shared power to vote financial

"(ii) Shared power to vote or to direct the vote: 2,286,131"

shared power to dispose financial

"(iv) Shared power to dispose or to direct the disposition of: 2,347,448"

parent holding company financial

"If a parent holding company has filed this schedule, pursuant to (ii)(G)"

Investment Company Act of 1940 regulatory

"shareholders of an investment company registered under the Investment Company Act of 1940"

A U.S. federal law that sets the rulebook for pooled investment vehicles such as mutual funds, exchange-traded funds and similar money managers, requiring them to register with regulators, disclose holdings and fees, limit conflicts of interest, and follow governance standards. It matters to investors because these protections and transparency rules act like a referee and scoreboard, helping people compare funds, trust that managers follow fair practices, and spot hidden costs or risks.

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

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Available on EDGAR 08/07/2026 - 08:34 AM Accepted by SEC EDGAR 08/07/2026 - 08:34 AM Learn about SEC filing dates

FAQ

What percentage of Alpha & Omega Semiconductor (AOSL) does State Street report owning?

State Street and affiliates report beneficial ownership of 7.8% of Alpha & Omega Semiconductor, representing 2,347,448 common shares with shared voting and dispositive power, and no sole voting or dispositive authority disclosed.

How many AOSL shares are beneficially owned by SSGA Funds Management, Inc.?

SSGA Funds Management, Inc. reports beneficial ownership of 1,766,810 shares of Alpha & Omega Semiconductor common stock, representing 5.9% of the class, with shared voting and dispositive power and no sole authority over these shares.

Does State Street have sole voting or dispositive power over AOSL shares?

The reporting persons disclose no sole voting or dispositive power over Alpha & Omega Semiconductor shares. All reported authority relates to shared voting power over 2,286,131 shares and shared dispositive power over 2,347,448 shares.

Which subsidiaries are identified in the AOSL ownership filing by State Street (AOSL)?

Identified subsidiaries include SSGA Funds Management, Inc. and several State Street Global Advisors entities, each classified as an investment adviser (IA) involved in acquiring or holding Alpha & Omega Semiconductor securities.

Are other persons entitled to dividends or sale proceeds from State Street’s AOSL holdings?

The filing states “NOT APPLICABLE” for ownership of more than 5% on behalf of another person, indicating no separate named party is disclosed as having rights to dividends or sale proceeds over these AOSL shares.

When was the Alpha & Omega Semiconductor ownership by State Street certified?

The beneficial ownership information is certified with signatures dated August 7, 2026, executed by a Senior Vice President, Chief Accounting Officer, and a Chief Compliance Officer for the reporting organizations.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

ALPHA & OMEGA SEMICONDUCTOR LTD

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

G6331P104

(CUSIP Number)

06/30/2026

(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)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): G6331P104

1

Names of Reporting Persons

STATE STREET CORPORATION

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

MASSACHUSETTS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,286,131.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,347,448.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,347,448.00

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)

7.8 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP Number(s): G6331P104

1

Names of Reporting Persons

SSGA FUNDS MANAGEMENT, 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

MASSACHUSETTS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,763,410.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,766,810.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,766,810.00

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)

5.9 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: ALPHA & OMEGA SEMICONDUCTOR LTD
(b)	Address of issuer's principal executive offices: 475 OAKMEAD PARKWAY, SUNNYVALE, CALIFORNIA, 94085
Item 2.
(a)	Name of person filing: SSGA FUNDS MANAGEMENT, INC.;STATE STREET CORPORATION;
(b)	Address or principal business office or, if none, residence: 1 CONGRESS STREET, SUITE 1, BOSTON MA 02114, UNITED STATES (FOR ALL REPORTING PERSONS)
(c)	Citizenship: MA
(d)	Title of class of securities: COMMON STOCK
(e)	CUSIP Number(s): G6331P104
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: 2347448.00
(b)	Percent of class: 7.8 %
(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: 2,286,131
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 2,347,448
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. 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.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. SSGA FUNDS MANAGEMENT, INC. (IA);STATE STREET GLOBAL ADVISORS EUROPE LIMITED (IA);STATE STREET GLOBAL ADVISORS LIMITED (IA);STATE STREET GLOBAL ADVISORS TRUST COMPANY (IA);STATE STREET GLOBAL ADVISORS, LTD. (IA);
Item 8.	Identification and Classification of Members of the Group.
	If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(K), so indicate under Item 3(k) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group. NOT APPLICABLE
Item 9.	Notice of Dissolution of Group.
	Notice of dissolution of a group may be furnished as an exhibit stating the date of the dissolution and that all further filings with respect to transactions in the security reported on will be filed, if required, by members of the group, in their individual capacity. See Item 5. 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.

STATE STREET CORPORATION

Signature:	ELIZABETH SCHAEFER
Name/Title:	SENIOR VICE PRESIDENT, CHIEF ACCOUNTING OFFICER
Date:	08/07/2026

SSGA FUNDS MANAGEMENT, INC.

Signature:	BRIAN HARRIS
Name/Title:	CHIEF COMPLIANCE OFFICER
Date:	08/07/2026