Advent Technologies Holdings, Inc.
ADNH- Exchange
- OTC
- Industry
- Miscellaneous Electrical Machinery, Equipment & Supplies
- SEC CIK
- 0001744494
No open-market purchases or sales by Advent Technologies Holdings, 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 Advent Technologies Holdings, 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
- 1
- −17 vs. Q3 2025
- Shares held
- 16.8K
- −167.8K (−90.9%) vs. Q3 2025
- Total value
- $7.07K
- −$607.6K (−98.8%) vs. Q3 2025
- New holders
- 1
- 0 more added
- Sold out
- 18
- 0 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ADNH 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 | 1 | $7.07K |
| Q3 2025 | 18 | $614.7K |
| Q2 2025 | 17 | $221.8K |
| Q1 2025 | 12 | $335.2K |
| Q4 2024 | 13 | $511.6K |
| Q3 2024 | 13 | $130.1K |
| Q2 2024 | 15 | $194.0K |
| Q1 2024 | 33 | $616.8K |
| Q4 2023 | 32 | $1.30M |
| Q3 2023 | 35 | $2.76M |
| Q2 2023 | 34 | $5.83M |
| Q1 2023 | 36 | $11.2M |
| Q4 2022 | 36 | $20.8M |
| Q3 2022 | 44 | $35.7M |
| Q2 2022 | 49 | $31.5M |
| Q1 2022 | 71 | $35.6M |
| Q4 2021 | 51 | $112.5M |
| Q3 2021 | 52 | $134.6M |
| Q2 2021 | 49 | $142.8M |
| Q1 2021 | 44 | $169.6M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Advent Technologies Holdings, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| XTX Topco Ltd | 16,835 | $7.07K | 0.00% | +16,835 | New |
| DRW Securities, LLC | 0 | $0 | 0.00% | −81,286−100.0% | Sold out |
| Vanguard Group Inc | 0 | $0 | 0.00% | −33,349−100.0% | Sold out |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −22,745−100.0% | Sold out |
| BlackRock, Inc. | 0 | $0 | 0.00% | −17,837−100.0% | Sold out |
| Summit Financial, LLC | 0 | $0 | 0.00% | −16,500−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −4,362−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −3,611−100.0% | Sold out |
| Morgan Stanley | 0 | $0 | 0.00% | −2,272−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −969−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −966−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −366−100.0% | Sold out |
| SBI Securities Co., Ltd. | 0 | $0 | 0.00% | −166−100.0% | Sold out |
| Archer Investment Corp | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −33−100.0% | Sold out |