AinosAIMD

13F holders, Q4 2025 (December 31)
14holders +2
2new positions
0sold out
2famous investors
$1.64avg. 13F price*

At the end of Q4 2025, 14 institutions reported holding Ainos Inc. (AIMD) in their 13F filings, up 2 from Q3 2025. 2 opened new positions and 0 sold out. The largest holders were Renaissance Technologies ($109K), DRW Securities, LLC ($109K) and Two Sigma Investments, LP ($79K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Ainos Inc.
CUSIP
00902F402
Latest filing quarter
Q2 2026

History

Number of 13F holders

051015 Q2 2025: 8Q2 2025Q3 2025: 12Q3 2025Q4 2025: 14Q4 2025Q1 2026: 12Q1 2026Q2 2026: 14Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions2$54K
Exits0$0

All 13F filers, Q3 2025 → Q4 2025: 116,997 shares bought and 522 shares sold, net +116,475 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 14 holders

Renaissance Technologies 0.00% Add +13.1% 66,300 $109K
DRW Securities, LLC 0.01% Add +272.6% 66,211 $109K
Two Sigma Investments, LP 0.00% Add +110.0% 48,309 $79K
Vanguard Group Inc. 0.00% Reduce -2.1% 24,228 $40K
Mariner, LLC 0.00% New 22,800 $37K
Citadel Advisors 0.00% New 10,196 $17K
BlackRock, Inc. 0.00% No change 3,065 $5K
Tower Research Capital LLC (TRC) 0.00% Add +66.3% 3,010 $5K
Seneschal Advisors, LLC 0.00% No change 1,800 $3K
Steward Partners Investment Advisory, LLC 0.00% No change 1,208 $2K
Citigroup Inc. 0.00% Add +2042.1% 814 $1K
UBS Group AG 0.00% Add +29150.0% 585 $959
Bank of America Corp. 0.00% Add +11.8% 19 $32
Cwm, LLC 0.00% No change 1 $0

"% of holder's portfolio" is AIMD's weight in each manager's 13F, not the share of Ainos Inc. the manager owns.