Security Snapshot

APPLIED OPTOELECTRONICS, INC. - Common Stock, par value $0.001 (AAOI) Institutional Ownership

CUSIP: 03823U102

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

366

Shares (Excl. Options)

52,904,737

Price

$84.59

Save this security page for your next review

Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.

Create free account and return here Sign in and return here Review latest holder period
Type / Class
Equity / Common Stock, par value $0.001
Symbol
AAOI on Nasdaq
Shares outstanding
80,112,357
Price per share
$152.83
All holders as of 31 Mar 2026
Q1 2026
Total 13F shares
52,904,737
Total reported value
$4,476,568,573
% of total 13F portfolios
0.01%
Share change
+5,544,806
Value change
+$590,254,639
Number of holders
366
Price from insider filings
$152.83
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Key facts

  • AAOI - APPLIED OPTOELECTRONICS, INC. - Common Stock, par value $0.001 is tracked under CUSIP 03823U102.
  • 366 institutions reported positions in Q1 2026.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 217 to 366 between Q4 2025 and Q1 2026.
  • Reported value moved from $1,665,289,017 to $4,476,568,573.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 366 institutions filings for Q1 2026.

Open SEC Evidence

Security key

03823U102

Latest holder period

Q1 2026

13F holders

366

13D/G owners

5

CIK / CUSIP context first

Open Q1 2026 holders AAOI full holder history APPLIED OPTOELECTRONICS, INC. SEC filings APPLIED OPTOELECTRONICS, INC. company facts APPLIED OPTOELECTRONICS, INC. insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

Significant Owners of APPLIED OPTOELECTRONICS, INC. - Common Stock, par value $0.001 (AAOI) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Marex Securities Products Inc. 5.6% $675,635,575 4,486,292 Marex Securities Products Inc. 08 May 2026
JANE STREET GROUP, LLC 5.3% $238,131,414 4,097,237 JANE STREET GROUP, LLC 17 Mar 2026
JPMORGAN CHASE & CO 4.4% -39% $72,626,870 -$49,989,643 2,800,882 -41% JPMORGAN CHASE & CO. 31 Oct 2025
D. E. SHAW & CO, L.P. 4.2% -18% $28,708,300 -$3,365,160 2,239,337 -10% D. E. Shaw & Co., L.P. 31 Mar 2025
Invesco Ltd. 2.7% -48% $303,369,393 -$225,584,342 2,014,405 -43% Invesco Ltd. 31 Mar 2026

As of 31 Mar 2026, 366 institutional investors reported holding 52,904,737 shares of APPLIED OPTOELECTRONICS, INC. - Common Stock, par value $0.001 (AAOI). This represents 66% of the company’s total 80,112,357 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of APPLIED OPTOELECTRONICS, INC. - Common Stock, par value $0.001 (AAOI) together control 47% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 9% 7,192,329 +36% 0.01% $608,399,109
VANGUARD CAPITAL MANAGEMENT LLC 3.8% 3,061,522 0% 0.01% $258,974,146
OBERWEIS ASSET MANAGEMENT INC/ 2.9% 2,349,969 +15% 5.9% $198,783,878
JANE STREET GROUP, LLC 2.8% 2,279,318 +35% 0.21% $192,807,509
D. E. Shaw & Co., Inc. 2.6% 2,117,157 +55% 0.14% $179,090,311
Invesco Ltd. 2.5% 2,014,405 -43% 0.03% $170,398,519
VANGUARD PORTFOLIO MANAGEMENT LLC 2.2% 1,801,883 0% 0.01% $152,421,283
PRICE T ROWE ASSOCIATES INC /MD/ 2.2% 1,732,381 -22% 0.02% $146,543,000
STATE STREET CORP 2.1% 1,644,293 +2.4% 0% $139,090,745
GEODE CAPITAL MANAGEMENT, LLC 2% 1,621,305 +7.2% 0.01% $137,173,633
Hood River Capital Management LLC 1.6% 1,275,519 -0.01% 1.1% $107,896,152
Value Aligned Research Advisors, LLC 1.6% 1,267,938 1.3% $107,254,875
JPMORGAN CHASE & CO 1.4% 1,111,132 +1903% 0.01% $94,657,335
GOLDMAN SACHS GROUP INC 1.4% 1,084,764 +12% 0.01% $91,760,188
UBS Group AG 1.2% 970,744 +2.1% 0.01% $82,115,234
RAYMOND JAMES FINANCIAL INC 0.92% 733,696 +93% 0.02% $62,187,836
MORGAN STANLEY 0.91% 727,566 -57% 0% $61,544,867
T. Rowe Price Investment Management, Inc. 0.8% 643,145 0.04% $54,404,000
Driehaus Capital Management LLC 0.79% 632,337 +25% 0.39% $53,489,387
NORTHERN TRUST CORP 0.73% 583,494 +11% 0.01% $49,357,757
RENAISSANCE TECHNOLOGIES LLC 0.71% 565,279 0.07% $47,816,951
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.66% 532,228 +0.74% 0.01% $45,021,167
NEUBERGER BERMAN GROUP LLC 0.65% 517,341 0.03% $44,039,327
Squarepoint Ops LLC 0.62% 495,798 +157% 0.09% $41,939,553
Balyasny Asset Management L.P. 0.59% 468,870 +182% 0.08% $39,661,713

Institutional Holders of APPLIED OPTOELECTRONICS, INC. - Common Stock, par value $0.001 (AAOI) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 52,904,737 $4,476,568,573 +$590,254,639 $84.59 366
2025 Q4 47,738,652 $1,665,289,017 +$315,119,867 $34.86 217
2025 Q3 39,723,514 $1,030,593,062 +$177,256,833 $25.93 177
2025 Q2 33,000,153 $848,474,140 +$103,904,079 $25.69 144
2025 Q1 31,102,931 $477,543,294 -$122,043,275 $15.35 143
2024 Q4 30,700,536 $1,131,273,628 +$195,252,486 $36.86 155
2024 Q3 29,469,796 $421,680,013 +$39,236,735 $14.31 140
2024 Q2 29,151,480 $241,668,304 -$21,542,131 $8.29 130
2024 Q1 28,634,139 $396,942,786 +$62,150,365 $13.86 116
2023 Q4 23,576,575 $455,501,973 +$163,483,529 $19.32 102
2023 Q3 15,651,957 $171,681,398 +$44,314,739 $10.97 75
2023 Q2 12,020,425 $71,620,247 +$20,792,306 $5.96 53
2023 Q1 8,775,799 $19,393,623 -$668,465 $2.21 51
2022 Q4 9,269,589 $17,516,982 -$577,856 $1.89 56
2022 Q3 9,275,493 $25,232,632 -$622,676 $2.72 54
2022 Q2 9,482,231 $14,692,930 -$3,328,231 $1.55 49
2022 Q1 9,751,108 $35,590,365 -$4,578,543 $3.65 62
2021 Q4 10,845,778 $55,744,440 -$17,461,679 $5.14 77
2021 Q3 13,458,042 $96,653,821 +$458,892 $7.18 93
2021 Q2 13,193,286 $111,739,298 -$6,453,613 $8.47 99
2021 Q1 14,077,618 $117,673,376 +$22,691,495 $8.36 102
2020 Q4 11,204,260 $95,352,448 -$568,601 $8.51 95
2020 Q3 10,952,225 $123,188,734 -$9,980,045 $11.25 100
2020 Q2 11,831,945 $128,521,804 +$2,313,188 $10.87 103
2020 Q1 11,966,616 $90,849,256 -$5,634,099 $7.59 95
2019 Q4 12,078,915 $143,491,133 -$7,789,684 $11.88 108
2019 Q3 12,428,763 $139,410,629 -$5,663,280 $11.22 104
2019 Q2 12,960,762 $133,357,757 +$4,049,234 $10.28 122
2019 Q1 12,580,804 $153,481,778 +$4,702,454 $12.20 128
2018 Q4 11,961,716 $184,554,662 -$43,855,247 $15.43 131
2018 Q3 13,325,526 $328,657,947 -$72,674,817 $24.66 144
2018 Q2 14,287,314 $641,521,190 +$51,625,628 $44.90 157
2018 Q1 13,701,818 $343,355,410 +$28,257,303 $25.06 150
2017 Q4 12,081,099 $456,716,083 -$186,099,469 $37.82 165
2017 Q3 14,813,009 $957,751,107 -$60,504,093 $64.67 198
2017 Q2 15,825,249 $977,899,383 +$70,705,793 $61.79 206
2017 Q1 14,872,542 $834,122,548 +$163,891,034 $56.15 143
2016 Q4 13,466,074 $315,856,406 +$17,349,190 $23.44 110
2016 Q3 12,851,759 $285,431,041 +$673,750 $22.21 94
2016 Q2 13,683,208 $152,553,720 -$14,042,915 $11.15 79
2016 Q1 14,458,096 $215,597,709 +$13,259,594 $14.91 90
2015 Q4 13,540,399 $232,611,594 +$16,088,031 $17.16 81
2015 Q3 12,451,323 $233,826,969 +$56,609,892 $18.78 87
2015 Q2 9,881,448 $171,543,592 +$29,545,075 $17.36 80
2015 Q1 8,261,036 $114,665,145 +$1,069,615 $13.88 72
2014 Q4 8,384,333 $94,070,904 -$18,255,159 $11.22 71
2014 Q3 8,757,877 $140,999,508 -$17,131,757 $16.10 85
2014 Q2 9,321,788 $216,259,202 +$48,259,164 $23.20 89
2014 Q1 7,242,710 $178,549,471 +$100,972,965 $24.67 81
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .