Ainos

AIMD · NASDAQ

$0.9003−$0.0312 (−3.35%)TodayMarket closed · Oct 20, 7:20 PM ET

Prev close $0.9315

Who owns AIMD

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 60.3% of AIMD’s shares.

ScentAI Inc.13.6%
Taiwan Carbon Nano Technology Corp11.1%
Lee (Ting Chuan)9.5%
Tsai (Chun-Hsien)8.3%
Next 6 largest institutions17.8%
All other shareholders39.7%

Top institutional holders of AIMD
Holder	Shares	% of shares	Change, last filing	Filed
ScentAI Inc.	1.16M	13.58%	+0	Mar 30, 2026
Taiwan Carbon Nano Technology Corp	948.92K	11.11%	−41.00K	May 26, 2026
Lee (Ting Chuan)	807.42K	9.45%	−128.29K	May 26, 2026
Tsai (Chun-Hsien)	710.37K	8.32%	+300.00K	Apr 15, 2026
Tsai (Chun-Jung)	658.20K	7.71%	−28.80K	May 26, 2026
Ainos Inc	491.26K	5.75%	+0	Apr 15, 2026
chang (wen-han)	101.55K	1.19%	−1	Mar 30, 2026
chiang (yao-chung)	91.28K	1.07%	+0	Mar 30, 2026
Wei (Pao- Sheng)	90.88K	1.06%	+0	Mar 30, 2026
Tsai (Chung-Yi)	90.88K	1.06%	+0	Mar 30, 2026

Largest mutual fund holders

Top mutual fund holders of AIMD
Holder	Shares	% of shares	Change, last filing	Filed
Fidelity Extended Market Index Fund	23.26K	0.27%	+0	Jul 31, 2026
Fidelity Series Total Market Index Fund	19.82K	0.23%	+0	Jul 31, 2026
Vanguard Extended Market Index Fund	16.39K	0.19%	+369	Jul 31, 2026

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $21.26K (9 trades) and sold $387.89K (6 trades) of AIMD on the open market.

Latest AIMD insider transactions
Insider	Date	Type	Shares	Price	Value
chiang yao-chung	Jun 5, 2026	Buy	3.50K	$2.05	$7.17K
chiang yao-chung	Jun 3, 2026	Buy	2.00K	$2.13	$4.26K
chiang yao-chung	May 28, 2026	Buy	250	$2.30	$575
chiang yao-chung	May 27, 2026	Buy	2.00K	$2.00	$4.00K
lee ting-chuan	May 26, 2026	Sale	109.99K	$1.90	$208.98K
Taiwan Carbon Nano Technology Corp	May 26, 2026	Sale	41.00K	$2.36	$96.76K
TSAI CHUN-JUNG	May 26, 2026	Sale	27.72K	$1.87	$51.83K
TSAI CHUN-JUNG	May 22, 2026	Sale	1.08K	$1.55	$1.68K
lee ting-chuan	May 22, 2026	Sale	9.30K	$1.57	$14.60K
lee ting-chuan	May 21, 2026	Sale	9.00K	$1.56	$14.04K

Short interest

Settled Sep 30, 2026

Shares short: 41.26K
Days to cover: 1.00
% of shares outstanding: 0.48%
Average daily volume: 579.88K
Change since last report: −26.0%

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