Alpha and Omega Semiconductor Ltd (AOSL) Ownership

24.86 ↓1.17 (-4.49%)

As of December 31, 1969, 7:00pm EST.

Institutions
Mutual Funds

Institutional Ownership

BlackRock Inc is the biggest individual institutional holder of Alpha and Omega Semiconductor Ltd (AOSL), owning a total of 3.9 million shares. Combined, the top 35 institutional holders of AOSL own 73.45% of the company with a total of 21.5 million shares.

In the latest ownership report on December 31st 2024, the top 35 institutional holders increased their combined ownership of AOSL by 1.8 million shares. 12 institutions bought 2,245,390 total additional shares and increased their ownership by an average of 233.48%. However 9 institutions sold 461,852 total shares and decreased their ownership by an average of 8.66%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Alpha and Omega Semiconductor Ltd increased by a net total of 1,783,538 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
BlackRock Inc	13.365%	3.565%	3,931,233	135,340	2024-12-31
Vanguard Group Inc	8.199%	0.587%	2,411,632	14,070	2024-12-31
Dimensional Fund Advisors, Inc.	6.716%	-1.516%	1,975,443	-30,404	2024-12-31
Manufacturers Life Insurance Co	4.043%	-2.090%	1,189,245	-25,386	2024-12-31
State Street Corp	3.968%	-12.974%	1,167,269	-174,021	2024-12-31
Hood River Capital Management LLC	3.871%	0.000%	1,138,597	1,138,597	2024-12-31
Wellington Management Company LLP	2.153%	12.446%	633,345	70,100	2024-12-31
Geode Capital Management, LLC	1.974%	0.320%	580,556	1,851	2024-12-31
FMR Inc	1.825%	3.590%	536,927	18,609	2024-12-31
Royce & Associates, LP	1.250%	-10.792%	367,594	-44,472	2024-12-31
Arnhold & S. Bleichroeder Advisers, LLC	1.072%	-32.362%	315,408	-150,908	2024-12-31
Driehaus Capital Management LLC	1.066%	0.000%	313,591	313,591	2024-12-31
Morgan Stanley - Brokerage Accounts	0.971%	29.682%	285,736	65,400	2024-12-31
Northern Trust Corp	0.889%	9.322%	261,446	22,294	2024-12-31
Millennium Management LLC	0.873%	2,741.620%	256,712	247,678	2024-12-31
Charles Schwab Investment Management Inc	0.764%	0.649%	224,809	1,449	2024-12-31
CloudAlpha Capital Management Limited/Hong Kong	0.736%	0.000%	216,411	216,411	2024-12-31
Gagnon Securities LLC	0.728%	-0.394%	214,105	-846	2024-12-31
Uniplan Investment Counsel, Inc.	0.652%	-1.068%	191,776	-2,071	2024-12-31
Peregrine Capital Management,LLC	0.628%	-3.525%	184,599	-6,744	2024-12-31
Oberweis Asset Management Inc	0.604%	-13.190%	177,700	-27,000	2024-12-31

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
BlackRock Inc	13.365%	3.565%	3,931,233	135,340	2024-12-31
Vanguard Group Inc	8.199%	0.587%	2,411,632	14,070	2024-12-31
Dimensional Fund Advisors, Inc.	6.716%	-1.516%	1,975,443	-30,404	2024-12-31
State Street Corporation	4.576%	3.817%	1,325,507	48,734	2024-03-31
Manufacturers Life Insurance Co	4.043%	-2.090%	1,189,245	-25,386	2024-12-31
State Street Corp	3.968%	-12.974%	1,167,269	-174,021	2024-12-31
Hood River Capital Management LLC	3.871%	0.000%	1,138,597	1,138,597	2024-12-31
Amvescap Plc.	2.582%	247.562%	759,360	540,878	2024-09-30
Wellington Management Company LLP	2.153%	12.446%	633,345	70,100	2024-12-31
Geode Capital Management, LLC	1.974%	0.320%	580,556	1,851	2024-12-31
FMR Inc	1.825%	3.590%	536,927	18,609	2024-12-31
Point72 Asset Management, L.P.	1.603%	110.053%	471,535	247,051	2024-09-30
Royce & Associates, LP	1.250%	-10.792%	367,594	-44,472	2024-12-31
LSV Asset Management	1.293%	0.000%	355,300	0	2023-03-31
Arnhold & S. Bleichroeder Advisers, LLC	1.072%	-32.362%	315,408	-150,908	2024-12-31
Driehaus Capital Management LLC	1.066%	0.000%	313,591	313,591	2024-12-31
Morgan Stanley - Brokerage Accounts	0.971%	29.682%	285,736	65,400	2024-12-31
Northern Trust Corp	0.889%	9.322%	261,446	22,294	2024-12-31
Millennium Management LLC	0.873%	2,741.620%	256,712	247,678	2024-12-31
American Century Companies Inc	0.813%	3.222%	239,213	7,467	2024-09-30
B. Riley Asset Management, LLC	0.809%	256.850%	232,095	167,055	2024-03-31
Citadel Advisors Llc	0.810%	10.769%	229,155	22,278	2023-09-30
Charles Schwab Investment Management Inc	0.764%	0.649%	224,809	1,449	2024-12-31
CloudAlpha Capital Management Limited/Hong Kong	0.736%	0.000%	216,411	216,411	2024-12-31
Gagnon Securities LLC	0.728%	-0.394%	214,105	-846	2024-12-31
Bridgeway Capital Management, LLC	0.709%	4.333%	203,397	8,448	2023-12-31
Jacobs Levy Equity Management, Inc.	0.695%	567.500%	199,369	169,501	2024-03-31
Uniplan Investment Counsel, Inc.	0.652%	-1.068%	191,776	-2,071	2024-12-31
Gagnon Advisors, LLC	0.652%	0.000%	189,357	0	2024-06-30
Peregrine Capital Management,LLC	0.628%	-3.525%	184,599	-6,744	2024-12-31
Renaissance Technologies Corp	0.640%	-6.656%	180,900	-12,900	2023-09-30
Nuveen Asset Management, LLC	0.655%	-44.380%	179,402	-143,146	2022-06-30
Bank of New York Mellon Corp	0.632%	-3.795%	178,832	-7,054	2023-09-30
Oberweis Asset Management Inc	0.604%	-13.190%	177,700	-27,000	2024-12-31
JPMorgan Chase & Co	0.639%	-1.602%	176,581	-2,875	2023-03-31

Mutual Fund Ownership

iShares Core S&P Small-Cap ETF is the biggest individual fund holder of Alpha and Omega Semiconductor Ltd (AOSL), owning a total of 1.5 million shares. Combined, the top 41 mutual fund holders of AOSL own 50.96% of the company with a total of 14.7 million shares.

In the latest ownership report on February 28th 2025, the top 41 fund holders increased their combined ownership of AOSL by 23 thousand shares. 2 funds bought 6,891 total additional shares and increased their ownership by an average of 0.63%. However 6 funds sold 29,479 total shares and decreased their ownership by an average of 1.52%.

Overall this is a negative sign as the number of shares owned by the top 20 mutual funds holding Alpha and Omega Semiconductor Ltd decreased by a net total of -22,588 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
iShares Core S&P Small-Cap ETF	5.159%	-0.026%	1,517,419	-390	2025-02-28
Vanguard Total Stock Mkt Idx Inv	2.473%	0.000%	727,415	0	2025-02-28
iShares Russell 2000 ETF	2.100%	-1.168%	617,705	-7,300	2025-02-28
Vanguard Information Technology ETF	1.953%	1.117%	574,395	6,347	2025-02-28
Vanguard Institutional Extnd Mkt Idx Tr	1.244%	0.149%	365,940	544	2025-02-28
First Eagle Small Cap Opportunity I	0.907%	-6.579%	266,711	-18,781	2025-02-28
SPDR® S&P Semiconductor ETF	0.797%	-0.468%	234,471	-1,102	2025-02-28
iShares Russell 2000 Value ETF	0.748%	-0.754%	220,131	-1,672	2025-02-28
SPDR® Portfolio S&P 600™ Sm Cap ETF	0.722%	-0.110%	212,474	-234	2025-02-28

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
iShares Core S&P Small-Cap ETF	5.159%	-0.026%	1,517,419	-390	2025-02-28
Hood River Small-Cap Growth Instl	2.582%	0.000%	759,543	759,543	2024-12-31
Vanguard Total Stock Mkt Idx Inv	2.473%	0.000%	727,415	0	2025-02-28
Vanguard Instl Ttl Stck Mkt Idx Tr	2.316%	0.000%	643,490	0	2023-03-31
iShares Russell 2000 ETF	2.100%	-1.168%	617,705	-7,300	2025-02-28
Vanguard Information Technology ETF	1.953%	1.117%	574,395	6,347	2025-02-28
Invesco Semiconductors ETF	1.814%	0.000%	526,689	0	2024-11-30
JHancock Small Cap Core NAV	1.754%	0.000%	515,885	0	2025-01-31
Fidelity Select Semiconductors	1.745%	0.000%	513,296	0	2025-01-31
Fidelity® Select Semiconductors	1.847%	0.000%	513,296	0	2023-10-31
Select Semiconductors	1.847%	0.000%	513,296	0	2023-11-30
DFA US Small Cap Value I	1.667%	0.000%	490,279	0	2025-01-31
RobecoSAM Smart Energy B EUR	1.360%	0.000%	400,000	400,000	2025-01-31
Vanguard Institutional Extnd Mkt Idx Tr	1.244%	0.149%	365,940	544	2025-02-28
Invesco Dynamic Semiconductors ETF	1.250%	0.000%	342,667	0	2022-10-31
First Eagle Small Cap Strategy	1.139%	52.009%	313,196	107,158	2023-06-30
Vanguard Extended Market Index Investor	1.039%	0.894%	287,401	2,547	2023-08-31
First Eagle US Small Cap Strategy	0.956%	-33.708%	281,094	-142,929	2024-12-31
First Eagle Small Cap Opportunity I	0.907%	-6.579%	266,711	-18,781	2025-02-28
Avantis® U.S. Small Cap Value ETF	0.916%	-0.166%	253,221	-420	2023-07-29
iShares S&P Small-Cap 600 Value ETF	0.838%	0.000%	243,182	0	2024-11-30
Fidelity Small Cap Index	0.813%	0.000%	239,160	0	2024-12-31
DFA US Targeted Value I	0.806%	0.000%	237,023	0	2025-01-31
SPDR® S&P Semiconductor ETF	0.797%	-0.468%	234,471	-1,102	2025-02-28
iShares S&P Small-Cap 600 Growth ETF	0.824%	0.000%	228,975	0	2023-11-30
Pacer US Small Cap Cash Cows 100 ETF	0.817%	0.103%	225,784	233	2023-02-28
Fidelity® Small Cap Index	0.803%	2.939%	223,017	6,367	2023-10-31
iShares Russell 2000 Value ETF	0.748%	-0.754%	220,131	-1,672	2025-02-28
SPDR® Portfolio S&P 600™ Sm Cap ETF	0.722%	-0.110%	212,474	-234	2025-02-28
SPDR® Portfolio S&P 600 Sm Cap ETF	0.715%	-0.140%	205,312	-287	2024-05-30
Oberweis Micro-Cap	0.696%	13.722%	204,700	24,700	2024-09-30
Invesco S&P SmallCap Value with Momt ETF	0.734%	0.000%	201,883	0	2023-05-31
DFA US Micro Cap I	0.654%	0.000%	192,304	0	2025-01-31
Bridgeway Omni Small-Cap Value	0.668%	23.405%	184,544	35,000	2023-03-31
Avantis US Small Cap Value ETF	0.633%	0.000%	183,409	0	2024-08-31
Royce Small-Cap Opportunity Invmt	0.614%	-15.683%	180,720	-33,615	2024-12-31
Vanguard Tax-Managed Small Cap Adm	0.620%	0.000%	179,536	0	2024-06-30
Oberweis Micro-Cap Growth	0.604%	-13.190%	177,700	-27,000	2024-12-31
FTGF RY US SmCp Opp A USD Dis(A)	0.598%	16.703%	173,497	24,831	2024-11-30
Dimensional US Targeted Value ETF	0.589%	0.435%	173,319	750	2025-01-31
DFA US Small Cap I	0.594%	0.000%	172,406	0	2024-11-30