APPLIED OPTOELECTRONICS, INC.
Total Trades
60
Buys
7
Sells
51
Largest Trade
N/A
Insiders
10
Institutional Funds
172
Inst. Value
$1M+
Activist Filings
17
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Chang Hung-Lun (Fred) | *** See Remarks | SELL | $100K–$500K | 32K | $12.07 | Aug 10, 2023 |
| Murry Stefan J. | CFO | SELL | $1K–$15K | 3K | $2.96 | Feb 21, 2023 |
| Murry Stefan J. | CFO | SELL | $1K–$15K | 5K | $2.55 | Feb 3, 2023 |
| Murry Stefan J. | CFO | SELL | $1K–$15K | 4K | $2.51 | Jan 19, 2023 |
| Murry Stefan J. | CFO | SELL | $15K–$50K | 15K | $2.17 | Dec 15, 2022 |
| Kuo David C | General Counsel an… | SELL | $15K–$50K | 19K | $2.18 | Dec 15, 2022 |
| Kuo David C | General Counsel an… | SELL | $15K–$50K | 19K | $2.16 | Dec 12, 2022 |
| Chang Hung-Lun (Fred) | *** See Remarks | SELL | $100K–$500K | 50K | $2.15 | Nov 14, 2022 |
| Lin Chih-Hsiang (Thompson) | President and CEO | BUY | $50K–$100K | 44K | $2.20 | Nov 8, 2022 |
| Murry Stefan J. | CFO | SELL | $1K–$15K | 3K | $2.83 | Oct 19, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 172 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| HAWK RIDGE CAPITAL MANAGEMENT LP | 1.7M | $1M+ | SH |
| STATE STREET CORP | 1.6M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.3M | $1M+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 955K | $1M+ | SH |
| ROYCE & ASSOCIATES LP | 774K | $1M+ | SH |
| Artemis Investment Management LLP | 772K | $1M+ | SH |
| EMERALD ADVISERS, LLC | 671K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 528K | $1M+ | SH |
| NEXT CENTURY GROWTH INVESTORS LLC | 465K | $1M+ | SH |
| KENNEDY CAPITAL MANAGEMENT LLC | 447K | $1M+ | SH |
| Penn Capital Management Company, LLC | 446K | $1M+ | SH |
| EMERALD MUTUAL FUND ADVISERS TRUST | 399K | $1M+ | SH |
| Steward Partners Investment Advisory, LLC | 366K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 363K | $1M+ | SH |
| GOLDMAN SACHS GROUP INC | 323K | $1M+ | SH |
| NEW YORK STATE COMMON RETIREMENT FUND | 315K | $1M+ | SH |
| MORGAN STANLEY | 264K | $1M+ | SH |
| WOLVERINE ASSET MANAGEMENT LLC | 250K | $1M+ | SH (Put) |
| FIRST TRUST ADVISORS LP | 242K | $1M+ | SH |
| BARCLAYS PLC | 236K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 12, 2026
5.1%
3.5M shares
SC 13G/A · Jul 29, 2025
7.3%
4.1M shares
SC 13G/A · May 15, 2025
4.2%
2.2M shares
SC 13G · Jan 15, 2025
5.1%
2.5M shares
SC 13G/A · Nov 12, 2024
5.3%
2.2M shares
SC 13G · Nov 8, 2024
7.1%
3.0M shares
SC 13G · Nov 4, 2024
5.3%
2.2M shares
SC 13G · Oct 22, 2024
7.1%
3.0M shares
DRIEHAUS CAPITAL MANAGEMENT LLC
SC 13G/A · Jun 10, 2024
2.2%
844K shares
SC 13G/A · Feb 14, 2024
0.0%
6 shares
DRIEHAUS CAPITAL MANAGEMENT LLC
SC 13G · Feb 14, 2024
7.8%
2.8M shares
Yong Rong (HK) Asset Management Limited
SC 13G/A · Aug 31, 2023
2.6%
846K shares
Yong Rong (HK) Asset Management Limited
SC 13G · Aug 18, 2023
5.7%
1.8M shares
D. E. Shaw Valence Portfolios, L.L.C.
SC 13G/A · Feb 14, 2023
2.7%
789K shares
SC 13G/A · Feb 14, 2023
5.7%
6 shares
D. E. Shaw Valence Portfolios, L.L.C.
SC 13G/A · Feb 14, 2022
5.9%
1.7M shares
SC 13G/A · Feb 14, 2022
6.5%
6 shares