ALPHA & OMEGA SEMICONDUCTOR Ltd - Common Stock (AOSL)

Historical Holders from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
AOSL on Nasdaq
Shares outstanding
29,410,803
Price per share
$19.81
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares as of 30 Sep 2025
22,139,153
Total reported value
$618,972,766
% of total 13F portfolios
0%
Share change
+412,306
Value change
+$12,001,781
Avg buy value change
+0%
Avg sell value change
-0%
Number of holders
182
Price from insider filings
$20.66
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of ALPHA & OMEGA SEMICONDUCTOR Ltd - Common Stock (AOSL) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Chang Mike F 14% $94,275,640 4,127,655 Mike F. Chang 31 Dec 2024
BlackRock, Inc. 13% $85,311,328 3,735,172 BlackRock, Inc. 31 Mar 2025
DIMENSIONAL FUND ADVISORS LP 6.3% $42,063,674 1,841,667 Dimensional Fund Advisors LP 31 Mar 2025
As of 30 Sep 2025, ALPHA & OMEGA SEMICONDUCTOR Ltd - Common Stock (AOSL) has 182 institutional shareholders filing 13F forms. They hold 22,139,153 shares. of 29,410,803 outstanding shares (75%) .

Top 25 institutional shareholders own 64% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
BlackRock, Inc. 13% 3,845,295 -0.33% 0% $107,514,449
VANGUARD GROUP INC 8.3% 2,453,975 +1.4% 0% $68,613,141
DIMENSIONAL FUND ADVISORS LP 5.7% 1,687,666 -1.9% 0.01% $47,186,117
MANUFACTURERS LIFE INSURANCE COMPANY, THE 5.3% 1,555,003 +10% 0.04% $43,477,884
STATE STREET CORP 4.1% 1,212,058 -5.2% 0% $33,889,142
WELLINGTON MANAGEMENT GROUP LLP 2.9% 864,965 +15% 0% $24,184,422
Boston Partners 2.7% 786,630 -29% 0.02% $21,994,137
Robeco Schweiz AG 2.7% 785,264 +0.35% 0.49% $21,955,981
MILLENNIUM MANAGEMENT LLC 2.2% 637,876 +57% 0.01% $17,835,013
GEODE CAPITAL MANAGEMENT, LLC 2.1% 607,477 +0.96% 0% $16,987,510
FMR LLC 1.8% 515,044 +0.11% 0% $14,400,632
ROYCE & ASSOCIATES LP 1.5% 427,353 -0.83% 0.12% $11,948,790
GOLDMAN SACHS GROUP INC 1.3% 370,350 -21% 0% $10,354,986
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.2% 344,601 +14% 0% $9,635,044
First Eagle Investment Management, LLC 1.1% 326,608 -0.79% 0.02% $9,131,960
Invesco Ltd. 1.1% 318,633 -2.9% 0% $8,908,979
OBERWEIS ASSET MANAGEMENT INC/ 0.92% 271,100 +11% 0.29% $7,579,956
MORGAN STANLEY 0.89% 262,816 +9% 0% $7,348,336
NORTHERN TRUST CORP 0.86% 251,879 +0.73% 0% $7,042,537
Acuitas Investments, LLC 0.82% 240,920 +39% 4.3% $6,736,123
PEREGRINE CAPITAL MANAGEMENT LLC 0.76% 222,074 -0.3% 0.19% $6,209,189
GAGNON SECURITIES LLC 0.73% 215,349 -0.29% 1.2% $6,021,158
Russell Investments Group, Ltd. 0.65% 190,221 -9.1% 0.01% $5,318,588
BANK OF AMERICA CORP /DE/ 0.61% 179,297 -15% 0% $5,013,142
TWO SIGMA INVESTMENTS, LP 0.55% 162,320 -18% 0.01% $4,538,467

Institutional Holders of ALPHA & OMEGA SEMICONDUCTOR Ltd - Common Stock (AOSL) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (% of par) Investors
2025 Q4 82,053 $1,625,434 -$1,250,130 1,980.98% 5
2025 Q3 22,139,153 $618,972,766 +$12,001,781 2,796% 182
2025 Q2 21,713,945 $557,181,406 -$21,502,955 2,566% 162
2025 Q1 22,643,486 $562,840,160 +$19,669,290 2,486% 154
2024 Q4 20,542,039 $760,655,358 +$35,834,431 3,703% 175
2024 Q3 19,547,024 $725,692,400 +$370,217 3,712% 171
2024 Q2 19,487,290 $728,238,753 +$25,177,398 3,737% 168
2024 Q1 19,132,588 $421,680,422 +$23,095,472 2,204% 140
2023 Q4 14,641 $381,544 +$28,145 2,606% 1
2023 Q3 17,446,873 $520,580,486 +$2,354,572 2,984% 138
2023 Q2 17,411,579 $570,925,766 -$3,935,680 3,280% 144
2023 Q1 17,504,783 $471,689,732 -$7,492,619 2,695% 141
2022 Q4 17,753,894 $507,273,260 -$19,182,958 2,857% 157
2022 Q3 18,412,572 $566,417,927 +$9,020,965 3,076.01% 158
2022 Q2 18,068,573 $602,494,415 +$62,119,895 3,333.98% 173
2022 Q1 15,410,463 $842,203,351 +$32,385,862 5,465% 197
2021 Q4 14,732,607 $889,256,613 +$5,182,598 6,055.84% 172
2021 Q3 14,896,176 $466,829,800 -$7,821,984 3,136.94% 127
2021 Q2 15,181,070 $461,361,113 -$12,880,363 3,038.97% 122
2021 Q1 15,477,897 $506,123,464 +$7,694,486 3,270% 123
2020 Q4 15,276,145 $361,123,567 +$6,408,142 2,364% 97
2020 Q3 15,000,212 $192,464,771 -$5,743,450 1,281.99% 77
2020 Q2 13,902,616 $151,244,106 +$2,794,664 1,087.97% 71
2020 Q1 15,437,595 $98,952,189 -$890,046 641% 73
2019 Q4 15,308,001 $208,422,110 +$9,541,010 1,361.99% 81
2019 Q3 14,625,337 $179,591,053 -$7,978,366 1,227.97% 81
2019 Q2 15,316,988 $142,975,725 -$1,473,760 934% 70
2019 Q1 15,469,011 $178,052,576 -$2,030,659 1,151.01% 80
2018 Q4 15,492,532 $157,890,122 -$748 1,018.92% 83
2018 Q3 15,628,754 $181,762,072 +$2,027,165 1,163% 83
2018 Q2 15,584,946 $221,929,057 -$10,987,718 1,423.99% 85
2018 Q1 16,298,224 $251,809,407 -$685,589 1,545.01% 91
2017 Q4 16,738,979 $273,906,053 -$2,682,000 1,636.02% 92
2017 Q3 16,839,055 $277,757,941 +$3,056,671 1,649.03% 96
2017 Q2 16,792,761 $279,983,508 +$386,212 1,666.97% 98
2017 Q1 16,754,983 $288,009,029 +$34,539,763 1,719.04% 98
2016 Q4 15,889,960 $338,102,360 +$13,110,455 2,126.97% 97
2016 Q3 15,380,298 $334,058,213 +$36,291,945 2,171.98% 98
2016 Q2 13,998,642 $194,992,483 +$5,505,055 1,392.94% 88
2016 Q1 13,736,284 $162,675,031 +$10,410,706 1,184.96% 87
2015 Q4 13,460,431 $123,711,579 +$2,627,595 918.99% 64
2015 Q3 13,025,211 $101,449,168 -$20,158,656 778.98% 61
2015 Q2 15,338,169 $134,052,146 -$2,350,758 874% 68
2015 Q1 15,515,108 $138,255,488 -$2,642,821 891.04% 72
2014 Q4 15,805,155 $139,930,192 +$3,954,800 885.01% 79
2014 Q3 15,263,477 $143,470,875 +$10,280,905 939.98% 73
2014 Q2 12,866,372 $119,267,817 +$10,524,303 926.98% 67
2014 Q1 13,440,837 $98,913,521 +$1,063,927 735.85% 62