How many institutions own AIMD stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own AIMD shares is 13, representing 2.74% of the company's common stock.

Who are the major shareholders selling Ainos, Inc. stock?

N/A, in the last quarter, reduced its stake in AIMD by N/A restricting it's holding to - shares of worth nearly -. N/A also lessened N/A of the AIMD shares from its portfolio, reducing its holding to - shares of worth -. N/A also shunned AIMD shares holding by N/A last quarter which brought its holding to - shares worth -.

Investors who are buying AIMD stock?

As per its latest 13F filing, N/A increased its stake in AIMD by N/A in the last quarter. The institutional holder raised its holding to - shares having worth more than -. N/A also added N/A more shares of AIMD to its portfolio, raising its holding to - shares of worth -. N/A also increased its AIMD shares holding by N/A which brought its holding to - shares worth -.

AIMD's major insiders: who are they?

The insider with the most stakes in AIMD is AINOS INC , 10 percent owner at the company. Additionally, AIMD stock is highly held by director chang wen-han and director lee ting-chuan among others.

Did an insider recently sell AIMD stock?

Company executives, directors, and other insiders own 65.53% percent of Ainos, Inc.'s stock. Within the last six months, there have been 7 transaction(s) in which AIMD insiders have sold stock, totaling 58.99K shares. Insiders that have sold shares include TAIWAN CARBON NANO TECHNOLOGY CORP, TSAI CHUN-JUNG, and LEE TING-CHUAN.

Which insider recently purchased AIMD stock?

There have been 0 transaction(s) during the past 6-months in which Ainos, Inc. insiders have bought stock, totalling 0 shares

How much of AIMD does insiders own?

Around 7.24M Ainos, Inc. shares are held by insiders, which represents about 65.53% of AIMD stock.

Who is the insider with the largest stake?

AIMD 10 percent owner, AINOS INC holds the largest portfolio of the company's shares. AIMD shares owned by AINOS total nearly 12.93 million.

Which institution holds the most shares in AIMD?

N/A is the largest institutional owner in AIMD which holds - shares worth - or N/A of the total AIMD shares outstanding followed by N/A with ownership of - shares representing N/A of the AIMD ownership. N/A is the third largest stakeholder with - shares or N/A of the ownership worth more than -.

Is Ainos, Inc. stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the AIMD is concerned, it is a stock which is not optionable.

Is there a short position on AIMD's shares?

Number of AIMD shares short is 99.13K. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding AIMD shares are there?

As of today, 6.98M shares of AIMD are outstanding.

Is there many float in AIMD stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, AIMD has 2.15M shares in float.

AIMD short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for AIMD is 0.06.

Ainos (AIMD) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableNo

Short Percent Of Outstanding Shares1.42

Short Percent Of Float3.32

Shares Outstanding6.98M

Shares Float2.15M

Shares Short99.13K

Short Ratio0.06

3.32%

Short % of Float

1.42%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

65.53% Percentage of Shares held by All Insiders

2.74% Percentage of Shares held by All Institutions

7.96% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
No Data

Insiders

Among the AIMD insiders holding of 65.53% of the stake in company, AINOS INC, 10 percent owner, holds the largest shares of 12.93M. CHANG WEN-HAN, director, is the second largest AIMD insider with ownership of 4M shares. LEE TING-CHUAN, director, stands third with possession of 1.43M shares of that stake.

Insiders	Designation	Shares Held
AINOS INC	10 percent owner	12.93M
CHANG WEN-HAN	director	4M
LEE TING-CHUAN	director	1.43M
TSAI CHUN-JUNG	director	1.38M
TAIWAN CARBON NANO TECHNOLOGY CORP	10 percent owner	989.93K
CHEN STEPHEN T	President,Chairman,CEO,CFO	783K
TSAI CHUN-HSIEN	CHIEF EXECUTIVE OFFICER	333.99K
CHIANG YAO-CHUNG	director	150K
TSAI CHUNG-JUNG	director	133.99K
ASE TEST, INC.	10 percent owner	58.89K
WU HUI-LAN	Chief Financial Officer	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Jan 28, 2026	TAIWAN CARBON NANO TECHNOLOGY CORP	SALE	2.17	46K	99.81K	989.93K
Jan 09, 2026	TAIWAN CARBON NANO TECHNOLOGY CORP	SALE	1.86	431	801.66	1.04M
Jan 08, 2026	TAIWAN CARBON NANO TECHNOLOGY CORP	SALE	1.80	850	1.53K	1.04M
Oct 06, 2025	TAIWAN CARBON NANO TECHNOLOGY CORP	SALE	3.59	7K	25.13K	1.04M
Oct 02, 2025	TAIWAN CARBON NANO TECHNOLOGY CORP	SALE	3.58	2K	7.17K	1.04M
Oct 01, 2025	TAIWAN CARBON NANO TECHNOLOGY CORP	SALE	3.46	1.7K	5.89K	1.05M
Sep 30, 2025	TAIWAN CARBON NANO TECHNOLOGY CORP	SALE	3.52	1.01K	3.54K	1.05M
Aug 06, 2025	TAIWAN CARBON NANO TECHNOLOGY CORP	SALE	2.95	20K	59K	1.05M
Aug 05, 2025	TAIWAN CARBON NANO TECHNOLOGY CORP	SALE	2.44	11.19K	27.25K	1.07M
Jul 18, 2025	TAIWAN CARBON NANO TECHNOLOGY CORP	SALE	2.81	7K	19.65K	1.08M
Jul 17, 2025	TAIWAN CARBON NANO TECHNOLOGY CORP	SALE	2.80	7K	19.63K	1.09M
Jun 27, 2025	TSAI CHUN-JUNG	SALE	0.50	10K	5.02K	1.38M
Jun 25, 2025	TSAI CHUN-JUNG	SALE	0.50	7K	3.52K	1.39M
Jun 25, 2025	LEE TING-CHUAN	SALE	0.51	2.89K	1.48K	1.43M
Jun 23, 2025	TAIWAN CARBON NANO TECHNOLOGY CORP	SALE	0.01	29.48K	294.76	5.47M
Jun 23, 2025	TSAI CHUN-JUNG	SALE	0.50	10K	5K	1.4M
Jun 23, 2025	ASE TEST, INC.	PURCHASE	0.01	29.48K	294.76	58.89K
Jun 19, 2025	TSAI CHUN-JUNG	SALE	0.55	10.9K	6.02K	1.41M
Jun 18, 2025	TSAI CHUN-JUNG	SALE	0.52	5K	2.61K	1.42M
Mar 10, 2025	ASE TEST, INC.	PURCHASE	4.50	499.38K	2.25M	499.38K
Apr 26, 2023	LEE TING-CHUAN	PURCHASE	0.79	61.16K	48.56K	61.16K
Apr 19, 2023	AINOS INC	SALE	0.75	400K	300K	12.93M
Mar 31, 2022	WU HUI-LAN	SALE	50000.00	50K	2.5B	0
Mar 17, 2022	AINOS INC	PURCHASE	0.00	3M	-	3M
Dec 21, 2021	TSAI CHUN-HSIEN	PURCHASE	0.50	333.99K	166.99K	333.99K
Dec 20, 2021	TSAI CHUNG-JUNG	PURCHASE	0.50	133.99K	66.99K	133.99K
Dec 06, 2021	CHANG WEN-HAN	PURCHASE	0.25	4M	1M	4M
Dec 06, 2021	CHIANG YAO-CHUNG	PURCHASE	2.00	150K	300K	150K
Oct 12, 2020	CHEN STEPHEN T	PURCHASE	0.14	400	56	783K
Oct 09, 2020	CHEN STEPHEN T	PURCHASE	0.14	200	28	782.5K
Oct 08, 2020	CHEN STEPHEN T	PURCHASE	0.13	400	52	782.3K
Oct 05, 2020	CHEN STEPHEN T	PURCHASE	0.22	200	44	781.9K
Sep 28, 2020	CHEN STEPHEN T	PURCHASE	0.18	300	54	781.7K
Sep 22, 2020	CHEN STEPHEN T	PURCHASE	0.20	200	40	781.4K
Sep 21, 2020	CHEN STEPHEN T	PURCHASE	0.16	800	128	781.2K
Sep 17, 2020	CHEN STEPHEN T	PURCHASE	0.22	100	22	780.4K
Sep 11, 2020	CHEN STEPHEN T	PURCHASE	0.18	100	18	780.3K
Sep 03, 2020	CHEN STEPHEN T	PURCHASE	0.21	300	63	780.2K
Sep 02, 2020	CHEN STEPHEN T	PURCHASE	0.21	200	42	779.9K
Aug 27, 2020	CHEN STEPHEN T	PURCHASE	0.21	100	21	779.7K
Aug 24, 2020	CHEN STEPHEN T	PURCHASE	0.21	100	21	779.6K
Aug 19, 2020	CHEN STEPHEN T	PURCHASE	0.21	300	63	779.5K
Aug 14, 2020	CHEN STEPHEN T	PURCHASE	0.21	100	21	779.1K
Aug 10, 2020	CHEN STEPHEN T	PURCHASE	0.21	100	21	779K
Aug 07, 2020	CHEN STEPHEN T	PURCHASE	0.21	400	84	778.9K
Jul 31, 2020	CHEN STEPHEN T	PURCHASE	0.30	500	150	778K
Jul 30, 2020	CHEN STEPHEN T	PURCHASE	0.23	50	11.5	777.5K
Jul 01, 2020	CHEN STEPHEN T	PURCHASE	0.22	50	11	777.45K
Jun 25, 2020	CHEN STEPHEN T	PURCHASE	0.22	100	22	777.4K
Jun 23, 2020	CHEN STEPHEN T	PURCHASE	0.22	100	22	777.3K
May 26, 2020	CHEN STEPHEN T	PURCHASE	0.23	100	23	777.2K
May 19, 2020	CHEN STEPHEN T	PURCHASE	0.23	50	11.5	777.1K
May 15, 2020	CHEN STEPHEN T	PURCHASE	0.23	50	11.5	777.05K
May 14, 2020	CHEN STEPHEN T	PURCHASE	0.23	50	11.5	12.41K
May 13, 2020	CHEN STEPHEN T	PURCHASE	0.23	100	23	777K
Apr 28, 2020	CHEN STEPHEN T	PURCHASE	0.23	100	23	776.9K
Apr 23, 2020	CHEN STEPHEN T	PURCHASE	0.25	50	12.5	776.75K
Apr 21, 2020	CHEN STEPHEN T	PURCHASE	0.27	100	27	776.7K
Apr 17, 2020	CHEN STEPHEN T	PURCHASE	0.23	100	23	776.6K
Apr 16, 2020	CHEN STEPHEN T	PURCHASE	0.23	200	46	776.5K
Apr 15, 2020	CHEN STEPHEN T	PURCHASE	0.22	100	22	776.3K
Apr 14, 2020	CHEN STEPHEN T	PURCHASE	0.22	200	44	776.2K
Apr 09, 2020	CHEN STEPHEN T	PURCHASE	0.24	100	24	776K
Apr 07, 2020	CHEN STEPHEN T	PURCHASE	0.24	100	24	775.9K
Mar 31, 2020	CHEN STEPHEN T	PURCHASE	0.25	200	50	775.8K
Mar 30, 2020	CHEN STEPHEN T	PURCHASE	0.25	100	25	775.6K
Mar 26, 2020	CHEN STEPHEN T	PURCHASE	0.25	100	25	775.5K
Mar 18, 2020	CHEN STEPHEN T	PURCHASE	0.25	100	25	12.36K
Mar 13, 2020	CHEN STEPHEN T	PURCHASE	0.24	100	24	775.4K
Mar 12, 2020	CHEN STEPHEN T	PURCHASE	0.24	200	48	775.3K
Mar 05, 2020	CHEN STEPHEN T	PURCHASE	0.28	100	28	775.1K
Feb 18, 2020	CHEN STEPHEN T	PURCHASE	0.29	2K	580	775K
Feb 12, 2020	CHEN STEPHEN T	PURCHASE	0.30	2K	600	773K
Feb 07, 2020	CHEN STEPHEN T	PURCHASE	0.30	1K	300	771K
Feb 05, 2020	CHEN STEPHEN T	PURCHASE	0.25	1.25K	312.5	769.25K
Jan 31, 2020	CHEN STEPHEN T	PURCHASE	0.25	3K	750	768K
Jan 29, 2020	CHEN STEPHEN T	PURCHASE	0.26	3K	780	765K
Jan 27, 2020	CHEN STEPHEN T	PURCHASE	0.27	1K	270	762K
Jan 21, 2020	CHEN STEPHEN T	PURCHASE	0.33	1K	330	761K
Jan 13, 2020	CHEN STEPHEN T	PURCHASE	0.26	3K	780	760K
Jan 09, 2020	CHEN STEPHEN T	PURCHASE	0.26	2K	520	757K
Jan 06, 2020	CHEN STEPHEN T	PURCHASE	0.25	4K	1K	755K
Jan 03, 2020	CHEN STEPHEN T	PURCHASE	0.23	1.5K	345	744.5K
Jan 02, 2020	CHEN STEPHEN T	PURCHASE	0.26	1.25K	325	739.25K
Dec 31, 2019	CHEN STEPHEN T	PURCHASE	0.30	4K	1.2K	735K
Dec 27, 2019	CHEN STEPHEN T	PURCHASE	0.27	4K	1.08K	731K
Dec 20, 2019	CHEN STEPHEN T	PURCHASE	0.29	2K	580	727K
Dec 18, 2019	CHEN STEPHEN T	PURCHASE	0.28	3K	840	725K
Dec 17, 2019	CHEN STEPHEN T	PURCHASE	0.29	2K	580	722K
Dec 13, 2019	CHEN STEPHEN T	PURCHASE	0.27	3K	810	720K
Dec 10, 2019	CHEN STEPHEN T	PURCHASE	0.27	3.25K	877.5	715K
Dec 09, 2019	CHEN STEPHEN T	PURCHASE	0.23	4.25K	977.5	704.25K
Dec 05, 2019	CHEN STEPHEN T	PURCHASE	0.31	2K	620	700K
Dec 04, 2019	CHEN STEPHEN T	PURCHASE	0.31	2K	620	698K
Dec 03, 2019	CHEN STEPHEN T	PURCHASE	0.31	1.25K	387.5	694.25K
Dec 02, 2019	CHEN STEPHEN T	PURCHASE	0.35	250	87.5	693K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES58.99K7

NET SHARES-58.99K7

SHARES HELD7.24M7

% NET SHARES-100.81%0%

AIMD Stock Ownership Breakdown

Ainos

Stock Outstanding Shares

Market Insider

Institutional Ownership

Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions

Stock Outstanding Shares

Market Insider

Institutional Ownership

Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions