Latest Period
Q2 2026
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 Q2 2026
Institutions Reporting
480
Shares (Excl. Options)
51,023,400
Price
$148.16
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- Security type / class
- Equity / Common Stock, Par value $0.001
- Symbol
- AAOI on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 51,023,400
- Total 13F value
- $7,559,880,184
- Portfolio coverage rank
- 0.01%
- Share change
- -2,321,619
- Value change
- -$141,695,801
- Number of holders
- 480
- Shares outstanding
- 81,364,875
- SEC-reported price per share
- $90.11
- Insider filing price
- $90.11
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- AAOI - APPLIED OPTOELECTRONICS, INC. - Common Stock, Par value $0.001 is tracked under CUSIP 03823U102.
- 480 institutions reported positions in Q2 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 371 to 480 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $4,484,459,724 to $7,559,880,184.
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
Open SEC evidence
Latest holder context comes from 480 institutions filings for Q2 2026.
Security key
03823U102
Latest holder period
Q2 2026
13F holders
480
13D/G owners
6
CIK / CUSIP context first
Open Q2 2026 holders
AAOI full holder history
APPLIED OPTOELECTRONICS, INC. SEC filings
APPLIED OPTOELECTRONICS, INC. company facts
APPLIED OPTOELECTRONICS, INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 03823U102:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
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 | |||
| BlackRock, Inc. | 5.4% | $643,428,804 | 4,342,797 | BlackRock, Inc. | 30 Jun 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, 480 institutional investors reported holding 51,023,400 shares of APPLIED OPTOELECTRONICS, INC. - Common Stock, Par value $0.001 (AAOI). This represents 63% of the company’s total 81,364,875 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
48%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7.9% | 6,450,270 | -10% | 0.01% | $955,672,005 |
| Invesco Ltd. | 4.2% | 3,414,262 | +69% | 0.04% | $505,857,057 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.1% | 3,363,001 | +9.8% | 0.01% | $498,262,228 |
| Marex Group Ltd | 3.5% | 2,830,272 | +879% | 3.1% | $419,333,100 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.3% | 2,651,718 | +47% | 0.02% | $392,878,539 |
| UBS Group AG | 2.6% | 2,111,464 | +118% | 0.05% | $312,834,506 |
| OBERWEIS ASSET MANAGEMENT INC/ | 2.2% | 1,791,127 | -24% | 5.5% | $265,373,376 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 1,670,936 | +3.1% | 0.01% | $247,619,639 |
| Value Aligned Research Advisors, LLC | 2% | 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 | 1.7% | 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 | 1.4% | 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 | 0.8% | 648,986 | +646% | 0.09% | $96,153,766 |
| JANE STREET GROUP, LLC | 0.69% | 563,557 | -75% | 0.05% | $83,496,605 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 0.62% | 504,202 | 0.22% | $74,702,568 | |
| VANGUARD FIDUCIARY TRUST CO | 0.6% | 488,922 | +9.2% | 0.02% | $72,438,684 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.59% | 476,027 | -11% | 0.01% | $70,528,160 |
| NORTHERN TRUST CORP | 0.51% | 417,720 | -28% | 0.01% | $61,889,394 |
| Capula Management Ltd | 0.47% | 380,749 | 0.25% | $56,411,772 | |
| GILDER GAGNON HOWE & CO LLC | 0.42% | 343,014 | -25% | 0.52% | $50,820,954 |
| DIMENSIONAL FUND ADVISORS LP | 0.38% | 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
50
Latest
Q2 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 51,023,400 | $7,559,880,184 | -$141,695,801 | $148.16 | 480 |
| 2026 Q1 | 52,998,021 | $4,484,459,724 | +$593,844,507 | $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 |
| 2020 Q2 | 11,831,945 | $128,521,804 | +$2,313,188 | $10.87 | 103 |