Ainos, Inc.
AIMD- Exchange
- Nasdaq
- Industry
- Computer Peripheral Equipment, NEC
- SEC CIK
- 0001014763
No open-market purchases or sales by Ainos, Inc. insiders were filed in the last 90 days; 14 institutions reported holding it in 13F filings for Q2 2026, worth $336.0K in total; no superinvestor holds it.
Other share classesAIMDW
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +3 vs. previous quarter
- 14
- 13F valueReported value at the end of Q2 2026
- $336.0K
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding AIMD, Q2 2026
No superinvestor reported holding AIMD at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Ainos, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 9, 2026 (view filing) | Jun 5 | 4 days | chiang yao-chungDirector | PPurchase | +3.50K | $2.05 | +$7.17K | +45.0%11.3K after | |
| Jun 5, 2026 (view filing) | Jun 3 | 2 days | chiang yao-chungDirector | PPurchase | +2.00K | $2.13 | +$4.26K | +34.6%7.78K after | |
| Jun 1, 2026 (view filing) | May 28 | 4 days | chiang yao-chungDirector | PPurchase | +250 | $2.30 | +$575 | +4.5%5.78K after | |
| May 29, 2026 (view filing) | May 27 | 2 days | chiang yao-chungDirector | PPurchase | +2.00K | $2.00 | +$4.00K | +56.7%5.53K after | |
| May 27, 2026 (view filing) | May 26 | 1 day | lee ting-chuanDirector | SSale | −110.0K | $1.90 | −$209.0K | −12.0%807.4K after | |
| May 27, 2026 (view filing) | May 26 | 1 day | Taiwan Carbon Nano Technology Corp10% Owner | SSale | −41.0K | $2.36 | −$96.8K | −4.1%948.9K after | |
| May 27, 2026 (view filing) | May 22-26 | 5 days | tsai chung-jungDirector | SSale | −28.8K | $1.86 | −$53.5K | −4.2%658.2K after | 2 lots |
| May 26, 2026 (view filing) | May 21-22 | 5 days | lee ting-chuanDirector | SSale | −18.3K | $1.57 | −$28.6K | −2.0%917.4K after | 2 lots |
| May 20, 2026 (view filing) | May 18-19 | 2 days | chiang yao-chungDirector | PPurchase | +2.70K | $1.67 | +$4.52K | +325.7%3.53K after | 2 lots |
| May 7, 2026 (view filing) | May 5 | 2 days | chiang yao-chungDirector | PPurchase | +129 | $1.70 | +$219.3 | +18.4%829 after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Ainos, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Geode Capital Management, LLC | 44,086 | $85.5K | 0.00% | −8,988−16.9% | Reduced |
| HRT Financial LP | 32,008 | $62.0K | 0.00% | +32,008 | New |
| Keystone Financial Group | 25,550 | $49.6K | 0.00% | +11,000+75.6% | Added |
| Vanguard Capital Management LLC | 16,024 | $31.1K | 0.00% | +6,743+72.7% | Added |
| Mariner, LLC | 15,800 | $30.7K | 0.00% | −15,000−48.7% | Reduced |
| Vanguard Fiduciary Trust Co | 14,169 | $27.5K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 11,504 | $22.3K | 0.00% | +11,504 | New |
| UBS Group AG | 4,592 | $8.91K | 0.00% | +4,590+229,500.0% | Added |
| Tower Research Capital LLC (TRC) | 3,157 | $6.13K | 0.00% | −1,284−28.9% | Reduced |
| BlackRock, Inc. | 3,065 | $5.95K | 0.00% | 00.0% | Unchanged |
Holders of 5% or more of AIMD
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Ainos, Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| ScentAI Inc. | 13D | 16.50%1.16M shares | New | Jan 27, 20261 filing | Jan 27, 2026 | SEC |
| Taiwan Carbon Nano Technology Corp | 13D/A | 13.62%989.9K shares | −8.17 ppfrom 21.79% | Oct 9, 20252 filings | Jan 30, 2026 | SEC |
| lee ting-chuan | 13D/A | 10.98%935.7K shares | +4.98 ppfrom 6.00% | Apr 11, 20253 filings | Apr 17, 2026 | SEC |
| ASE Technology Holding Co., Ltd. | 13D/A | 8.40%667.1K shares | −8.60 ppfrom 17.00% | Mar 12, 20252 filings | Apr 15, 2026 | SEC |
| Tsai Chun-Jung | 13D/A | 8.06%687.0K shares | +2.06 ppfrom 6.00% | Nov 28, 20252 filings | Apr 17, 2026 | SEC |