ADVENT TECHNOLOGIES HOLDINGS, INC. - *W EXP 02/03/202 (ADNWW)

CUSIP: 00788A113

Q4 2023 13F Holders as of 31 Dec 2023

Share change
-419,425
SEC-reported price per share
$0.03
Number of holders
8
Value change
-$23,389
Number of buys
4
Number of sells
6

Security key

00788A113

Report period

Q4 2023

Institutions

8

Top holders

8

Ownership snapshot

Top reported holders of ADNWW - ADVENT TECHNOLOGIES HOLDINGS, INC. - *W EXP 02/03/202 (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Vassilios Gregoriou
Disclosed value leader
Vassilios Gregoriou
Comparable rows
0/15
Latest evidence
30 Sep 2023
3/4/5 13F Highest disclosed value: $3,381,232 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

Vassilios Gregoriou has the largest disclosed position value at $3.38M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Vassilios Gregoriou's linked filing trail.
Disclosed position value Top 5
Vassilios Gregoriou $3.38M
Christos Kaskavelis $2.15M
Emory Sayre de Castro $1.28M
BNP Paribas Asset Management Hold... $1.14M
VANGUARD GROUP INC $495.6K

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Vassilios Gregoriou
3/4/5
CEO, Chair, Director, 10%+ Owner
—
denominator unverified
$3,381,232
6,367,669 shares
— 06 Sep 2023
Christos Kaskavelis
3/4/5
CMO
—
denominator unverified
$2,150,501
4,049,907 shares
— 11 Jun 2021
Emory Sayre de Castro
3/4/5
CTO, Director
—
denominator unverified
$1,281,570
2,413,503 shares
— 06 Feb 2023
BNP Paribas Asset Management Holding S.A.
13F
Company
13F
—
denominator unverified
$1,145,000
2,927,358 shares
— 30 Sep 2023
VANGUARD GROUP INC
13F
Company
13F
—
denominator unverified
$495,589
1,266,843 shares
— 30 Sep 2023
James F. Coffey
3/4/5
COO, GC
—
denominator unverified
$465,897
877,396 shares
— 06 Feb 2023
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
8
Shares
4,310,567
Rows available
8
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2023 vs Q3 2025 Across Filers

Q3 2025 holders
6
Q4 2023 holders
8
Holder diff
2
Investor Q3 2025 Shares Q4 2023 Shares Share Diff Share Chg % Q3 2025 value Q4 2023 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .