Ainos, Inc. (AIMD) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending December 2025, Ainos, Inc. (NASDAQ:AIMD) is held by 14 institutional firms.

• The collective stake of institutional investors in Ainos moved to 5.4% in December 2025, a shift up from the 2.9% reported for September 2025.
• In percentage terms, this reflects as a holdings change of 88.19% quarter on quarter, and an increase of 40.00% year over year.
• A review of institutional activity for Ainos shows 9 of 14 filers increasing their positions, while 1 reduced their stake, and 4 remained unchanged.
• The total number of shares held by institutions in Ainos increased to 248.55K as of December 2025, a net change of up by 116.47K shares quarter on quarter, and up 172.96K shares year over year.
• The top institutional stake in Ainos as of December 31, 2025 belongs to RENAISSANCE TECHNOLOGIES LLC, which owns 66.30K shares, or 1.45% of the company.
• Among the most significant buyers of Ainos during December 2025 were DRW Securities, LLC (48.44K), TWO SIGMA INVESTMENTS, LP (25.30K), Mariner, LLC (22.80K), CITADEL ADVISORS LLC (10.20K), RENAISSANCE TECHNOLOGIES LLC (7.70K).
• Leading sellers of Ainos stock in December 2025 included VANGUARD GROUP INC (522).
• The top 10 institutional holders of Ainos for the quarter ending December 2025 included RENAISSANCE TECHNOLOGIES LLC (66.30K), DRW Securities, LLC (66.21K), TWO SIGMA INVESTMENTS, LP (48.31K), VANGUARD GROUP INC (24.23K), Mariner, LLC (22.80K), CITADEL ADVISORS LLC (10.20K), BlackRock, Inc. (3.06K), Tower Research Capital LLC (TRC) (3.01K), Seneschal Advisors, LLC (1.80K), Steward Partners Investment Advisory, LLC (1.21K).