Ainos Ownership | Who Owns Ainos?

Ainos Ownership Summary

Ainos is owned by 2.20% institutional investors, 64.13% insiders, and 33.67% retail investors. Fidelity Extended Market Index is the top mutual fund, with 0.67% of its assets in Ainos shares.

AIMD Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Ainos	2.20%	64.13%	33.67%
Sector	Healthcare Stocks	35.75%	11.89%	52.37%
Industry	Biotech Stocks	36.05%	11.82%	52.13%

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	12	-7.69%	132,892	-46.53%	2	6.51%	7	-22.22%	2	100.00%
Dec 31, 2025	13	18.18%	248,545	88.19%	5	69.21%	9	12.50%	1	-
Sep 30, 2025	11	57.14%	132,070	2200.87%	2	374551.80%	8	14.29%	-	-
Jun 30, 2025	7	-	5,740	-	-	-	7	-	-	-

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Fidelity Extended Market Index	49.42K	0.67%	-181.00
Vanguard Institutional Extnd Mkt Idx Tr	15.36K	0.25%	6.08K
Fidelity Series Total Market Index	2.05K	0.03%	-
Spartan Total Market Index Pool G	934.00	0.01%	-
Fidelity Nasdaq Composite Index	396.00	0.01%	-
Spartan Extended Market Index Pool F	272.00	0.00%	181.00
Spartan Extended Market Index Pool E	375.00	0.00%	375.00

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jun 05, 2026	chiang yao-chung	-	Buy	$7.17K
Jun 03, 2026	chiang yao-chung	-	Buy	$4.26K
May 28, 2026	chiang yao-chung	-	Buy	$575.00
May 27, 2026	chiang yao-chung	-	Buy	$4.00K
May 26, 2026	lee ting-chuan	-	Sell	$208.98K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	9	6
2026 Q1	-	3
2025 Q4	-	3
2025 Q3	-	5
2025 Q2	1	7

AIMD Ownership FAQ

Who Owns Ainos?

Ainos shareholders are primarily institutional investors at 2.20%, followed by 64.13% insiders and 33.67% retail investors. The average institutional ownership in Ainos's industry, Biotech Stocks , is 36.05%, which Ainos falls below.

Does Blackrock own Ainos?

BlackRock is not among the top 10 institutional shareholders of Ainos.

Who is the top mutual fund holder of Ainos shares?

Fidelity Extended Market Index is the top mutual fund holder of Ainos shares, with 0.67% of its total shares outstanding invested in 49.42K Ainos shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools