Security Snapshot

APPLIED OPTOELECTRONICS, INC. - Common Stock (AAOI) Institutional Ownership

CUSIP: 03823U102

13F Institutional Holders and Ownership History from Q1 2014 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

481

Shares (Excl. Options)

51.02MFull value: 51,023,800 · shares · 30 Jun 2026

Price

$148.16

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Latest holder snapshot 5 signals
Portfolio coverage rank
0.01%
Share change
-2,321,324
Value change
-$141,651,909
Number of holders
481
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
84,593,065
SEC-reported price per share
$100.68
Insider filing price
$100.68
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • AAOI - APPLIED OPTOELECTRONICS, INC. - Common Stock is tracked under CUSIP 03823U102.
  • 481 institutions reported positions in Q2 2026.
  • 7 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 371 to 481 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $4.48BFull value: $4,484,459,724 · USD · 31 Mar 2026
    to
    $7.56BFull value: $7,559,939,633 · USD · 30 Jun 2026
    .

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 481 institutions filings for Q2 2026.

Open SEC evidence

Security key

03823U102

13F reference period

Q2 2026

13F holders

481

13D/G owners

7

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
7
Security
AAOI
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
VANGUARD CAPITAL MANAGEMENT LLC 5.1% $427,392,418 4,305,787 Vanguard Capital Management 30 Sep 2026
BlackRock, Inc. 4.9% -10% $414,884,367 -$16,181,663 4,179,774 -3.8% BlackRock, Inc. 30 Sep 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
JANE STREET GROUP, LLC 2.4% -58% $218,474,453 -$239,924,422 1,952,757 -52% JANE STREET GROUP, LLC 30 Jun 2026
As of 30 Jun 2026, 481 institutional investors reported holding
51.02MFull value: 51,023,800 · shares · 30 Jun 2026
shares of APPLIED OPTOELECTRONICS, INC. - Common Stock (AAOI). This represents 60% of the company’s total
84.59MFull value: 84,593,065 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
46%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 7.6% 6,450,270 -10% 0.01% $955,672,005
Invesco Ltd. 4% 3,414,262 +69% 0.04% $505,857,057
VANGUARD CAPITAL MANAGEMENT LLC 4% 3,363,001 +9.8% 0.01% $498,262,228
Marex Group Ltd 3.3% 2,830,272 +879% 3.1% $419,333,100
VANGUARD PORTFOLIO MANAGEMENT LLC 3.1% 2,651,718 +47% 0.02% $392,878,539
UBS Group AG 2.5% 2,111,464 +118% 0.05% $312,834,506
OBERWEIS ASSET MANAGEMENT INC/ 2.1% 1,791,127 -24% 5.5% $265,373,376
GEODE CAPITAL MANAGEMENT, LLC 2% 1,670,936 +3.1% 0.01% $247,619,639
Value Aligned Research Advisors, LLC 1.9% 1,595,124 +26% 1.4% $236,333,572
GOLDMAN SACHS GROUP INC 1.9% 1,586,453 +46% 0.02% $235,048,926
STATE STREET CORP 1.8% 1,497,617 -8.9% 0.01% $221,890,900
Hood River Capital Management LLC 1.6% 1,392,510 +9.2% 1.5% $206,314,282
Clear Street Group Inc. 1.5% 1,231,143 0.58% $182,406,147
MORGAN STANLEY 1.3% 1,115,138 +53% 0.01% $165,218,968
JPMORGAN CHASE & CO 1.3% 1,068,246 -3.9% 0.01% $160,877,480
FRONTIER CAPITAL MANAGEMENT CO LLC 1.2% 975,318 +243% 1.3% $144,503,042
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.77% 648,986 +646% 0.09% $96,153,766
JANE STREET GROUP, LLC 0.67% 563,557 -75% 0.05% $83,496,605
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.6% 504,202 0.22% $74,702,568
VANGUARD FIDUCIARY TRUST CO 0.58% 488,922 +9.2% 0.02% $72,438,684
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.56% 476,027 -11% 0.01% $70,528,160
NORTHERN TRUST CORP 0.49% 417,720 -28% 0.01% $61,889,394
Capula Management Ltd 0.45% 380,749 0.25% $56,411,772
GILDER GAGNON HOWE & CO LLC 0.41% 343,014 -25% 0.52% $50,820,954
DIMENSIONAL FUND ADVISORS LP 0.37% 309,932 +0.01% 0.01% $45,919,526

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
51
Headline period
Q2 2026
Rows shown
1-25 of 51
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 1,377,729 $136,723,953 +$31,853,588 $99.26 107
2026 Q2 51,023,800 $7,559,939,633 -$141,651,909 $148.16 481
2026 Q1 52,998,021 $4,484,459,724 +$593,841,927 $84.59 371
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
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