AIMDNasdaqComputer Peripheral Equipment, NECFiscal year ends December 31Also trades as AIMDW
Ainos, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 3, 2026
$0.93+0.01 (+0.83%)
Close on Oct 19, 2026
- Market cap
- $6.85M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
0M
Shares held, 13F filers
Institutional holders
14
3 new, 0 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
9 buys · 9 sales
Net sold $468.78K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Taiwan Carbon Nano Technology Corporation | 989,925 | 13.62% | 13D (active) amendment | Jan 28, 2026 |
| Ting Chuan Lee | 935,707 | 10.98% | 13D (active) amendment | Apr 15, 2026 |
| Chun-Jung Tsai | 686,999 | 8.06% | 13D (active) amendment | Apr 15, 2026 |
| ASE Test, Inc. | 667,085 | 8.40% | 13D (active) amendment | Apr 12, 2026 |
| Ainos Inc | 491,263 | 5.76% | 13D (active) amendment | Apr 15, 2026 |
| Ainos Inc. | 491,263 | 9.13% | 13D (active) amendment | Oct 6, 2025 |
| Chun-Hsien Tsai | 410,372 | 7.00% | 13D (active) amendment | Nov 25, 2025 |
| ASE Test, Inc. ("ASE Test Taiwan") | 3,148,788 | 17.00% | 13D (active) amendment | Mar 10, 2025 |
| Ainos, Inc. | 2,456,319 | 12.10% | 13D (active) amendment | Mar 10, 2025 |
| ScentAI Inc. | 1,160,000 | 16.50% | 13D (active) | Dec 30, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of AIMD | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Geode Capital Management, LLC | 44,086 | – | $85.53K | −8,988 | 0.00% |
| Hrt Financial LP | 32,008 | – | $62 | New | 0.00% |
| Keystone Financial Group | 25,550 | – | $49.57K | +11,000 | 0.00% |
| Vanguard Capital Management LLC | 16,024 | – | $31.09K | +6,743 | 0.00% |
| Mariner, LLC | 15,800 | – | $30.65K | −15,000 | 0.00% |
| Vanguard Fiduciary Trust Co | 14,169 | – | $27.49K | – | 0.00% |
| Jane Street Group, LLC | 11,504 | – | $22.32K | New | 0.00% |
| UBS Group AG | 4,592 | – | $8.91K | +4,590 | 0.00% |
| Tower Research Capital LLC (TRC) | 3,157 | – | $6.13K | −1,284 | 0.00% |
| BlackRock, Inc. | 3,065 | – | $5.95K | – | 0.00% |
| Seneschal Advisors, LLC | 1,800 | – | $3.49K | – | 0.00% |
| Steward Partners Investment Advisory, LLC | 1,208 | – | $2.34K | – | 0.00% |
| Citigroup Inc | 177 | – | $343 | −324 | 0.00% |
| Caitong International Asset Management Co., Ltd | 93 | – | $180 | New | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|
| Q2 2026 | 14 | 0M | 3 / 3 | 4 / 0 | 0M | 0M |
| Q1 2026 | 12 | 0M | 4 / 2 | 2 / 5 | 0M | 0M |
| Q4 2025 | 14 | 0M | 2 / 7 | 1 / 0 | 0M | 0M |
| Q3 2025 | 12 | 0M | 6 / 2 | 0 / 2 | 0M | 0M |
| Q2 2025 | 8 | 0M | 8 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of AIMD | Value | % of fund | As of |
|---|---|---|---|---|---|
| Fidelity Extended Market Index Fund | 48,596 | – | $115.66K | 0.00% | May 31, 2026 |
| Vanguard Extended Market Index Fund | 16,024 | – | $31.09K | 0.00% | Jun 30, 2026 |
| Fidelity Series Total Market Index Fund | 2,049 | – | $4.88K | 0.00% | May 31, 2026 |
| Fidelity Nasdaq Composite Index Fund | 396 | – | $942 | 0.00% | May 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | Latest filing |
|---|---|---|---|
| chun-hsien tsai | CEO, PRESIDENT, CHAIRMAN, Director | 710,372 | Apr 17, 2026 |
| Hsin-Liang Christopher Lee | CFO | 75,275 | Nov 26, 2025 |
| yao-chung chiang | Director | 102,559 | Jun 9, 2026 |
| Chun-Jung Tsai | Director | 658,199 | May 27, 2026 |
| ting-chuan lee | Director | 807,417 | May 27, 2026 |
| chung-yi tsai | Director | 90,880 | Nov 26, 2025 |
| wen-han chang | Director | 4,101,546 | Nov 26, 2025 |
| Pao-Sheng Wei | Director | 90,880 | Nov 26, 2025 |
| Carbon Nano Technology Corp Taiwan | 10% owner | 948,925 | May 27, 2026 |
| ASE Test, Inc. | 10% owner | 58,887 | Apr 15, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| yao-chung chiang Director | Jun 5, 2026 | Buy | +3,500 | $2.05 | $7.17K | 11,279 |
| yao-chung chiang Director | Jun 3, 2026 | Buy | +2,000 | $2.13 | $4.26K | 7,779 |
| yao-chung chiang Director | May 28, 2026 | Buy | +250 | $2.30 | $575 | 5,779 |
| yao-chung chiang Director | May 27, 2026 | Buy | +2,000 | $2.00 | $4.00K | 5,529 |
| ting-chuan lee Director | May 26, 2026 | Sale | −109,988 | $1.90 | $208.98K | 807,417 |
| Chun-Jung Tsai Director | May 26, 2026 | Sale | −27,718 | $1.87 | $51.83K | 658,199 |
| Carbon Nano Technology Corp Taiwan 10% owner | May 26, 2026 | Sale | −41,000 | $2.36 | $96.76K | 948,925 |
| Chun-Jung Tsai Director | May 22, 2026 | Sale | −1,082 | $1.55 | $1.68K | 685,917 |
| ting-chuan lee Director | May 22, 2026 | Sale | −9,302 | $1.57 | $14.60K | 917,405 |
| ting-chuan lee Director | May 21, 2026 | Sale | −9,000 | $1.56 | $14.04K | 926,707 |
| yao-chung chiang Director | May 19, 2026 | Buy | +2,200 | $1.68 | $3.70K | 3,529 |
| yao-chung chiang Director | May 18, 2026 | Buy | +500 | $1.65 | $825 | 1,329 |
| yao-chung chiang Director | May 5, 2026 | Buy | +129 | $1.70 | $219 | 829 |
| yao-chung chiang Director | Apr 30, 2026 | Buy | +200 | $1.68 | $336 | 700 |
| yao-chung chiang Director | Apr 29, 2026 | Buy | +100 | $1.75 | $175 | 500 |
| chun-hsien tsai CEO, PRESIDENT, CHAIRMAN, Director | Apr 15, 2026 | Award | +300,000 | $1.61 | $483.00K | 710,372 |
| Chun-Jung Tsai Director | Apr 15, 2026 | Award | +330,000 | $1.61 | $531.30K | 686,999 |
| ting-chuan lee Director | Apr 15, 2026 | Award | +570,000 | $1.61 | $917.70K | 935,707 |
| Carbon Nano Technology Corp Taiwan 10% owner | Jan 28, 2026 | Sale | −46,000 | $2.17 | $99.82K | 989,925 |
| Carbon Nano Technology Corp Taiwan 10% owner | Jan 9, 2026 | Sale | −431 | $1.86 | $802 | 1,035,925 |
| Carbon Nano Technology Corp Taiwan 10% owner | Jan 8, 2026 | Sale | −850 | $1.80 | $1.53K | 1,036,356 |
| Pao-Sheng Wei Director | Nov 25, 2025 | Award | +50,000 | $2.10 | $105.00K | 90,880 |
| chung-yi tsai Director | Nov 25, 2025 | Award | +50,000 | $2.10 | $105.00K | 90,880 |
| wen-han chang Director | Nov 25, 2025 | Award | +50,000 | $2.10 | $105.00K | 101,546 |
| ting-chuan lee Director | Nov 25, 2025 | Award | +80,000 | $2.10 | $168.00K | 365,707 |
| yao-chung chiang Director | Nov 25, 2025 | Award | +50,000 | $2.10 | $105.00K | 91,280 |
| chun-hsien tsai CEO, PRESIDENT, CHAIRMAN, Director | Nov 25, 2025 | Award | +80,000 | $2.10 | $168.00K | 410,372 |
| Hsin-Liang Christopher Lee CFO | Nov 25, 2025 | Award | +20,000 | $2.10 | $42.00K | 75,275 |
| Chun-Jung Tsai Director | Nov 25, 2025 | Award | +80,000 | $2.10 | $168.00K | 356,999 |
| Carbon Nano Technology Corp Taiwan 10% owner | Oct 6, 2025 | Sale | −7,000 | $3.59 | $25.13K | 1,037,206 |
| Carbon Nano Technology Corp Taiwan 10% owner | Oct 2, 2025 | Sale | −2,000 | $3.59 | $7.18K | 1,044,206 |
| Carbon Nano Technology Corp Taiwan 10% owner | Oct 1, 2025 | Sale | −1,700 | $3.46 | $5.88K | 1,046,206 |
| Carbon Nano Technology Corp Taiwan 10% owner | Sep 30, 2025 | Sale | −1,006 | $3.52 | $3.54K | 1,047,906 |
| Carbon Nano Technology Corp Taiwan 10% owner | Aug 6, 2025 | Sale | +20,000 | $2.95 | $59.00K | 1,048,912 |
| Carbon Nano Technology Corp Taiwan 10% owner | Aug 5, 2025 | Sale | +11,191 | $2.44 | $27.31K | 1,068,912 |
| Carbon Nano Technology Corp Taiwan 10% owner | Jul 18, 2025 | Sale | +7,000 | $2.81 | $19.67K | 1,080,103 |
| Carbon Nano Technology Corp Taiwan 10% owner | Jul 17, 2025 | Sale | +7,001 | $2.80 | $19.60K | 1,087,103 |
| Chun-Jung Tsai Director | Jun 27, 2025 | Sale | −10,000 | $0.50 | $5.00K | 1,384,997 |
| Chun-Jung Tsai Director | Jun 25, 2025 | Sale | −7,000 | $0.50 | $3.50K | 1,394,997 |
| ting-chuan lee Director | Jun 25, 2025 | Sale | −2,894 | $0.51 | $1.48K | 1,428,538 |
| Carbon Nano Technology Corp Taiwan 10% owner | Jun 23, 2025 | Sale | +29,476 | – | – | 5,470,524 |
| ASE Test, Inc. 10% owner | Jun 23, 2025 | Buy | +29,476 | – | – | 58,887 |
| Chun-Jung Tsai Director | Jun 23, 2025 | Sale | −10,000 | $0.50 | $5.00K | 1,401,997 |
| Chun-Jung Tsai Director | Jun 19, 2025 | Sale | −10,903 | $0.55 | $6.00K | 1,411,997 |
| Chun-Jung Tsai Director | Jun 18, 2025 | Sale | −5,000 | $0.52 | $2.60K | 1,422,900 |
| ting-chuan lee Director | Apr 8, 2025 | Award | +900,000 | $0.48 | $432.00K | 1,431,432 |
| chun-hsien tsai CEO, PRESIDENT, CHAIRMAN, Director | Apr 8, 2025 | Award | +900,000 | $0.48 | $432.00K | 1,651,862 |
| Chun-Jung Tsai Director | Apr 8, 2025 | Award | +900,000 | $0.48 | $432.00K | 1,427,900 |
| ting-chuan lee Director | Mar 10, 2025 | Award | +200,000 | $0.46 | $92.00K | 531,432 |
| Pao-Sheng Wei Director | Mar 10, 2025 | Award | +150,000 | $0.46 | $69.00K | 204,400 |
| Chun-Jung Tsai Director | Mar 10, 2025 | Award | +200,000 | $0.46 | $92.00K | 527,900 |
| chung-yi tsai Director | Mar 10, 2025 | Award | +150,000 | $0.46 | $69.00K | 204,400 |
| yao-chung chiang Director | Mar 10, 2025 | Award | +150,000 | $0.46 | $69.00K | 206,400 |
| wen-han chang Director | Mar 10, 2025 | Award | +150,000 | $0.46 | $69.00K | 257,733 |
| chun-hsien tsai CEO, PRESIDENT, CHAIRMAN, Director | Mar 10, 2025 | Award | +200,000 | $0.46 | $92.00K | 751,862 |
| Hsin-Liang Christopher Lee CFO | Mar 10, 2025 | Award | +250,000 | $0.46 | $115.00K | 276,376 |
| Pao-Sheng Wei Director | Jan 31, 2025 | Award | +1,468 | $0.68 | $998 | 54,400 |
| yao-chung chiang Director | Jan 31, 2025 | Award | +1,468 | $0.68 | $998 | 56,400 |
| wen-han chang Director | Jan 31, 2025 | Award | +1,468 | $0.68 | $998 | 107,733 |
| chung-yi tsai Director | Jan 31, 2025 | Award | +1,468 | $0.68 | $998 | 54,400 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.