Applied Optoelectronics, Inc.
AAOI- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001158114
In the last 90 days, Applied Optoelectronics, Inc. insiders filed 0 open-market purchases and 7 sales; 483 institutions reported holding it in 13F filings for Q2 2026, worth $7.56B in total; superinvestors Greenwoods Asset Management and Maverick Capital hold it.
Holders of 5% or more of AAOI
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Applied Optoelectronics, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Marex Securities Products Inc. | 13G | 5.60%4.49M shares | New | May 13, 20261 filing | May 13, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 5.40%4.34M shares | – | Jul 27, 20261 filing | Jul 27, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
23 Schedule 13D and 13G filings on Applied Optoelectronics, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 10, 20264:07 PM ET | Jane Street Group, LLCand 4 others | 13G/A | 2.40%1.95M shares | −2.90 ppfrom 5.30%Below 5% | Jun 30, 2026 | SEC |
| Jul 27, 20264:25 PM ET | BlackRock, Inc. | 13G/A | 5.40%4.34M shares | – | Jun 30, 2026 | SEC |
| May 13, 202610:50 AM ET | Marex Securities Products Inc.and 1 other | 13G | 5.60%4.49M shares | New | May 8, 2026 | SEC |
| May 6, 20263:25 PM ET | Invesco Ltd. | 13G/A | 2.70%2.01M shares | −2.40 ppfrom 5.10%Below 5% | Mar 31, 2026 | SEC |
| Mar 26, 20263:43 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −7.25 ppfrom 7.25%Below 5% | Mar 13, 2026 | SEC |
| Mar 23, 20264:50 PM ET | Jane Street Group, LLCand 3 others | 13G | 5.30%4.10M shares | New | Mar 17, 2026 | SEC |
| Feb 12, 20261:55 PM ET | Invesco Ltd. | 13G | 5.10%3.51M shares | New | Dec 31, 2025 | SEC |
| Nov 4, 202510:48 AM ET | JPMorgan Chase & Co | 13G/A | 4.40%2.80M shares | −3.10 ppfrom 7.50%Below 5% | Oct 31, 2025 | SEC |
| Oct 17, 20251:55 PM ET | JPMorgan Chase & Co | 13G | 7.50%4.73M shares | New | Sep 30, 2025 | SEC |
| Jul 29, 202511:23 AM ET | Vanguard Group Inc | 13G/A | 7.25%4.07M shares | – | Jun 30, 2025 | SEC |
| May 15, 20254:13 PM ET | D. E. Shaw & Co, L.P.and 2 others | 13G/A | 4.20%2.24M shares | −0.90 ppfrom 5.10%Below 5% | Mar 31, 2025 | SEC |
| Jan 15, 20254:05 PM ET | D. E. Shaw & Co, L.P.and 2 others | 13G | 5.10%2.50M shares | – | Jan 7, 2025 | SEC |
| Feb 14, 2022 | D. E. Shaw & Co, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Citadel Advisors LLC | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Dec 10, 202110:05 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Nov 18, 2021 | D. E. Shaw & Co, L.P. | 13GOld format | – | – | – | SEC |
| Feb 16, 2021 | Citadel Advisors LLC | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2021 | Barclays PLC | 13GOld format | – | New | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2021 | D. E. Shaw & Co, L.P. | 13G/AOld format | – | – | – | SEC |
| Jan 26, 20212:22 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jan 25, 2021 | D. E. Shaw & Co, L.P. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Applied Optoelectronics, Inc. shares.
No Form 144 notices for Applied Optoelectronics, Inc. are on file.