Who owns AOSLWhat AOSL owns — n/a

Who owns ALPHA & OMEGA SEMICONDUCTOR Ltd?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of AOSL from SEC Form 13F filings across 235 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-06-30 reporting period, 235 institutions disclosed 31.6M shares of ALPHA & OMEGA SEMICONDUCTOR Ltd worth $551.7M; the largest disclosed holder is BlackRock Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.

235

13F holders

$551.7M

value, 2026 filers

31.6M

shares disclosed

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of AOSL's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	BlackRock Inc.	3.7M	$139.3M	0.0%	—	—
2	BlackRock, Inc.	3.9M	$86.5M	0.0%	—	—
3	QUADRANT CAPITAL GROUP LLC	54	$49.0M	0.0%	—	—
4	VANGUARD GROUP INC	2.4M	$48.0M	0.0%	—	—
5	MANUFACTURERS LIFE INSURANCE COMPANY, THE	1.6M	$34.9M	0.0%	—	—
6	DIMENSIONAL FUND ADVISORS LP	1.6M	$34.7M	0.0%	—	—
7	STATE STREET CORP	1.4M	$31.1M	0.0%	—	—
8	VANGUARD CAPITAL MANAGEMENT LLC	1.1M	$23.3M	0.0%	—	—
9	BlackRock Institutional Trust Company, N.A.	830,769	$17.7M	0.0%	—	—
10	WELLINGTON MANAGEMENT GROUP LLP	694,808	$15.4M	0.0%	—	—
11	GEODE CAPITAL MANAGEMENT, LLC	628,668	$13.9M	0.0%	—	—
12	BlackRock Fund Advisors	592,030	$12.6M	0.0%	—	—
13	TWO SIGMA INVESTMENTS, LP	553,011	$12.3M	0.0%	—	—
14	FMR LLC	544,709	$12.1M	0.0%	—	—
15	ROYCE & ASSOCIATES LP	518,115	$11.5M	0.1%	—	—
16	Numeric Investors LLC	655,111	$10.7M	0.1%	—	—
17	CONGRESS ASSET MANAGEMENT CO /MA	203,460	$9.6M	0.1%	—	—
18	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	420,427	$9.3M	0.0%	—	—
19	Invesco Ltd.	375,773	$8.3M	0.0%	—	—
20	JACOBS LEVY EQUITY MANAGEMENT, INC	353,914	$7.8M	0.0%	—	—
21	Connor, Clark & Lunn Investment Management Ltd.	336,716	$7.5M	0.0%	—	—
22	JPMORGAN CHASE & CO	344,032	$7.2M	0.0%	—	—
23	D. E. Shaw & Co., Inc.	279,588	$6.2M	0.0%	—	—
24	GOLDMAN SACHS GROUP INC	267,682	$5.9M	0.0%	—	—
25	PRINCIPAL FINANCIAL GROUP INC	120,056	$5.7M	0.0%	—	—

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.