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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.

Q2 2025 vs. Q1 2025

How the institutions holding Advent Technologies Holdings, Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of ADNH: Q1 2025 compared with Q2 2025
MeasureQ1 2025Q2 2025Change
Holders1217+5
Shares79.6K105.6K+25.9K (+32.6%)
Value$335.2K$221.8K−$113.4K (−33.8%)

New holders (6)

Institutions that held Advent Technologies Holdings, Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to ADNH in Q2 2025
InstitutionSharesValue% of portfolio
Virtu Financial LLC13,689$29.0K0.00%
Citadel Advisors LLC12,040$25.3K0.00%
Raymond James Financial Inc1,035$2.15K0.00%
Tower Research Capital LLC (TRC)455$9460.00%
Northwestern Mutual Wealth Management Co6$120.00%
BNP Paribas Arbitrage, SA2$40.00%

Sold out (1)

Institutions that held Advent Technologies Holdings, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of ADNH in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Royal Bank of Canada17$0