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
22,139,153
Total reported value
$618,972,766
% of total 13F portfolios
0%
Share change
+412,306
Value change
+$12,001,791
Number of holders
182
Price from insider filings
$19.81
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% $78,838,210 4,127,655 Mike F. Chang 31 Dec 2024
BlackRock, Inc. 13% $71,341,785 3,735,172 BlackRock, Inc. 31 Mar 2025
DIMENSIONAL FUND ADVISORS LP 6.3% $35,175,840 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 Investors
2025 Q4 82,053 $1,625,434 -$1,250,132 $19.81 5
2025 Q3 22,139,153 $618,972,766 +$12,001,791 $27.96 182
2025 Q2 21,713,945 $557,181,406 -$21,502,941 $25.66 162
2025 Q1 22,643,486 $562,839,969 +$19,669,271 $24.86 154
2024 Q4 20,527,876 $760,129,440 +$35,310,006 $37.03 175
2024 Q3 19,547,024 $725,692,788 +$457,886 $37.12 170
2024 Q2 19,484,925 $728,150,135 +$25,089,031 $37.37 167
2024 Q1 19,132,588 $421,680,236 +$22,060,570 $22.04 139
2023 Q4 18,128,150 $472,537,779 +$16,052,328 $26.06 142
2023 Q3 17,457,863 $520,908,409 +$2,752,038 $29.84 139
2023 Q2 17,411,579 $570,926,195 -$3,947,987 $32.80 144
2023 Q1 17,512,856 $471,906,972 -$7,678,298 $26.95 142
2022 Q4 17,779,705 $508,010,087 -$19,400,324 $28.57 160
2022 Q3 18,449,500 $567,553,851 +$8,894,879 $30.76 163
2022 Q2 18,088,046 $603,143,415 +$62,506,955 $33.34 175
2022 Q1 15,658,066 $855,735,351 +$30,606,390 $54.65 199
2021 Q4 14,999,468 $905,418,613 +$7,097,497 $60.56 175
2021 Q3 14,915,454 $467,434,662 -$8,201,150 $31.37 128
2021 Q2 15,181,862 $461,385,113 -$11,593,861 $30.39 124
2021 Q1 15,501,369 $506,892,464 +$7,830,300 $32.70 125
2020 Q4 15,279,384 $361,212,567 +$7,128,506 $23.64 98
2020 Q3 15,007,889 $192,563,771 -$5,796,971 $12.82 79
2020 Q2 15,462,010 $168,210,106 +$2,964,497 $10.88 72
2020 Q1 15,445,273 $99,002,189 -$976,657 $6.41 77
2019 Q4 15,355,996 $209,076,110 +$9,897,576 $13.62 83
2019 Q3 14,636,592 $179,729,053 -$8,011,260 $12.28 83
2019 Q2 15,317,061 $142,976,725 -$1,506,079 $9.34 71
2019 Q1 15,469,011 $178,052,576 -$2,071,746 $11.51 80
2018 Q4 15,668,288 $159,680,122 -$840,099 $10.19 84
2018 Q3 15,707,218 $182,675,072 +$1,318,810 $11.63 85
2018 Q2 15,584,946 $221,929,057 -$11,001,275 $14.24 85
2018 Q1 16,320,159 $252,147,407 -$887,657 $15.45 94
2017 Q4 16,865,476 $275,974,053 -$2,379,961 $16.36 94
2017 Q3 16,946,080 $279,521,941 +$2,484,118 $16.49 97
2017 Q2 16,792,761 $279,983,508 +$573,217 $16.67 98
2017 Q1 16,754,983 $288,009,029 +$39,032,381 $17.19 98
2016 Q4 16,052,586 $341,559,360 +$13,380,025 $21.27 100
2016 Q3 15,380,298 $334,058,213 +$35,701,940 $21.72 98
2016 Q2 13,999,029 $194,997,483 +$5,505,048 $13.93 89
2016 Q1 13,736,671 $162,680,031 +$10,410,775 $11.85 87
2015 Q4 13,460,818 $123,715,579 +$2,627,609 $9.19 65
2015 Q3 13,025,211 $101,449,168 -$20,487,874 $7.79 61
2015 Q2 15,556,376 $135,959,146 -$2,405,820 $8.74 69
2015 Q1 15,813,843 $140,917,488 -$3,043,783 $8.91 73
2014 Q4 16,157,310 $143,046,192 +$3,810,555 $8.85 81
2014 Q3 15,624,412 $146,863,875 +$10,271,097 $9.40 74
2014 Q2 14,532,702 $134,714,817 +$10,518,611 $9.27 69
2014 Q1 13,440,939 $98,914,521 +$1,065,288 $7.36 63