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PCEliquiditysentimentbreakoutsdowngradesP/E 28.4threadsAAPLSPXvolatilityNDXflowscyclesliquidityestimatesEPS 4.12

Delisting risk

AIMD · NASDAQ · Biotechnology

Ainos (AIMD)

Builds AI olfaction hardware and scent-data software alongside oral-interferon development.

$1.60

Pre-market+0.02 (+1.27%)

At close$1.58(+13.67%)

Watchlist

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Breakdown13F · 13D/G · Form 4

Institutions12 holders · as of Mar 31, 2026	1.80%	132.9K shares
Insiders8 holders · as of Jun 9, 2026	35.71%	2.64M shares
Strategic holders3 holders · as of May 27, 2026	28.72%	2.12M shares
Otherremainder	33.77%	2.49M shares

7.38M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

Top shareholders13F · 13D/G · Form 4

Holder	Stake	Shares	Evidence
ScentAI Inc.Strategic	15.71%	1.16M	13Dfiled Jan 27, 2026 ↗
Taiwan Carbon Nano Technology CorpStrategic10 percent owner	12.85%	948,925	Form 4filed May 27, 2026 ↗
ting-chuan leeInsiderdirector	10.93%	807,417	Form 4filed May 27, 2026 ↗
chun-hsien tsaiInsiderdirector, officer: CEO, PRESIDENT, CHAIRMAN	9.62%	710,372	Form 4filed Apr 17, 2026 ↗
Chun-Jung TsaiInsiderdirector	8.91%	658,199	Form 4filed May 27, 2026 ↗
yao-chung chiangInsiderdirector	1.39%	102,559	Form 4filed Jun 9, 2026 ↗
wen-han changInsiderdirector	1.38%	101,546	Form 4filed Nov 26, 2025 ↗
Pao-Sheng WeiInsiderdirector	1.23%	90,880	Form 4filed Nov 26, 2025 ↗
chung-yi tsaiInsiderdirector	1.23%	90,880	Form 4filed Nov 26, 2025 ↗
Hsin-Liang Christopher LeeInsiderofficer: CFO	1.02%	75,275	Form 4filed Nov 26, 2025 ↗
Geode Capital Management, LLCInstitution	0.72%	53,074	13Fas of Mar 31, 2026
Mariner, LLCInstitution	0.42%	30,800	13Fas of Mar 31, 2026
Keystone Financial GroupInstitution	0.20%	14,550	13Fas of Mar 31, 2026
Vanguard Fiduciary Trust CoInstitution	0.19%	14,169	13Fas of Mar 31, 2026
ASE Test, Inc.Strategic10 percent owner	0.16%	11,777	Form 4filed Jun 25, 2025 ↗
Vanguard Capital Management LLCInstitution	0.13%	9,281	13Fas of Mar 31, 2026
Tower Research Capital LLC (TRC)Institution	0.06%	4,441	13Fas of Mar 31, 2026
BlackRock, Inc.Institution	0.04%	3,065	13Fas of Mar 31, 2026
Seneschal Advisors, LLCInstitution	0.02%	1,800	13Fas of Mar 31, 2026
Steward Partners Investment Advisory, LLCInstitution	0.02%	1,208	13Fas of Mar 31, 2026
Citigroup IncInstitution	0.01%	501	13Fas of Mar 31, 2026
UBS Group AGInstitution	0.00%	2	13Fas of Mar 31, 2026
CWM, LLCInstitution	0.00%	1	13Fas of Mar 31, 2026
ASE Test, Inc. (“ASE Test Taiwan”)Strategic	—27.40% of class, as filed	—	13Dfiled May 8, 2024 ↗
Carbon Nano Technology Corporation (“TNCT”)Strategic	—40.23% of class, as filed	—	13Dfiled Aug 21, 2024 ↗

13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more · Form 4 — an insider's transaction report

Institutions13F, as of Mar 31, 2026

12 holders · 132.9K shares · 5 new positions · 7 increased · 2 reduced · 6 closed

Holder	Shares	% outstanding	Chg q/q	Filed
Geode Capital Management, LLC	53.1K	0.72%	+53.1Knew	May 15, 2026
Mariner, LLC	30.8K	0.42%	+8.0K	May 13, 2026
Keystone Financial Group	14.6K	0.20%	+14.6Knew	May 13, 2026
Vanguard Fiduciary Trust Co	14.2K	0.19%	+14.2Knew	May 8, 2026
Vanguard Capital Management LLC	9.3K	0.13%	+9.3Knew	May 15, 2026
Tower Research Capital LLC (TRC)	4.4K	0.06%	+1.4K	May 15, 2026
BlackRock, Inc.	3.1K	0.04%	0	May 13, 2026
Seneschal Advisors, LLC	1.8K	0.02%	0	May 8, 2026

Ownership statements13D/G · 5% or more, as filed

Holder	% of class	Shares	Form	Filed
ScentAI Inc.	16.50%	1.16M	13D	Jan 27, 2026 ↗
Taiwan Carbon Nano Technology Corporation	13.62%	989.9K	13D	Jan 30, 2026 ↗
Ting Chuan Lee	10.98%	935.7K	13D	Apr 17, 2026 ↗
Ainos Inc.	10.68%		13D	Apr 9, 2025 ↗
ASE Test, Inc.incl. ASE Technology Holding Co., Ltd.	8.40%	667.1K	13D	Apr 15, 2026 ↗
Chun-Hsien Tsai	8.31%		13D	Apr 11, 2025 ↗
Chun-Jung Tsai	8.06%	687.0K	13D	Apr 17, 2026 ↗

Insider tradesForm 4

Latest trades

Date	Insider	Type	Shares	Avg price	Owned after
Jun 5, 2026	yao-chung chiangdirector	Purchase	3,500	$2.05	11,279
Jun 3, 2026	yao-chung chiangdirector	Purchase	2,000	$2.13	7,779
May 28, 2026	yao-chung chiangdirector	Purchase	250	$2.30	5,779
May 27, 2026	yao-chung chiangdirector	Purchase	2,000	$2.00	5,529
May 26, 2026	Chun-Jung Tsaidirector	Sale	27,718	$1.87	658,199
May 22, 2026	Chun-Jung Tsaidirector	Sale	1,082	$1.55	685,917
May 26, 2026	Taiwan Carbon Nano Technology Corp10 percent owner	Sale	41,000	$2.36	948,925
May 26, 2026	ting-chuan leedirector	Sale	109,988	$1.90	807,417
May 22, 2026	ting-chuan leedirector	Sale	9,302	$1.57	917,405
May 21, 2026	ting-chuan leedirector	Sale	9,000	$1.56	926,707

CongressHouse and Senate disclosures

Not reported.