ScanTech AI Systems Inc.
STAI- Exchange
- OTC
- Industry
- Instruments For Meas & Testing of Electricity & Elec Signals
- SEC CIK
- 0001994624
No open-market purchases or sales by ScanTech AI Systems Inc. insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in ScanTech AI Systems Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 8
- −8 vs. Q3 2025
- Shares held
- 123.9K
- −2.42M (−95.1%) vs. Q3 2025
- Total value
- $245.4K
- −$810.4K (−76.8%) vs. Q3 2025
- New holders
- 1
- 0 more added
- Sold out
- 9
- 7 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting STAI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 8 | $245.4K |
| Q3 2025 | 17 | $1.77M |
| Q2 2025 | 13 | $3.16M |
| Q1 2025 | 15 | $1.38M |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding ScanTech AI Systems Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Polar Asset Management Partners Inc. | 75,000 | $125.0K | 0.00% | −1,425,000−95.0% | Reduced |
| Vanguard Group Inc | 21,986 | $54.1K | 0.00% | −417,767−95.0% | Reduced |
| Geode Capital Management, LLC | 20,970 | $51.6K | 0.00% | −251,885−92.3% | Reduced |
| UBS Group AG | 5,119 | $12.6K | 0.00% | −83,443−94.2% | Reduced |
| Mint Tower Capital Management B.V. | 750 | $2.00K | 0.00% | −14,250−95.0% | Reduced |
| Citigroup Inc | 35 | $86 | 0.00% | +35 | New |
| Bank of America Corp | 23 | $56 | 0.00% | −245−91.4% | Reduced |
| SBI Securities Co., Ltd. | 7 | $17 | 0.00% | −6,143−99.9% | Reduced |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −54,051−100.0% | Sold out |
| State Street Corp | 0 | $0 | 0.00% | −45,600−100.0% | Sold out |
| Ewa, LLC | 0 | $0 | 0.00% | −28,730−100.0% | Sold out |
| Northern Trust Corp | 0 | $0 | 0.00% | −22,208−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −21,052−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −18,232−100.0% | Sold out |
| Brown Advisory Inc | 0 | $0 | 0.00% | −12,665−100.0% | Sold out |
| Kellett Schaffner Wealth Advisors LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −8,911−100.0% | Sold out |
| York Capital Management Global Advisors, LLC | – | – | – | – | Not filed |