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$ADNH
$0.00 -$0.00 (16.67%) Close

Ownership

13F as of Q2 2026 · 3.8M shares outstanding

Who owns ADNH?

By type of holder
Institutions 0.0% Everyone else 100.0%

No insider has reported a holding in the last two years, so insiders are counted in "Everyone else".

Institutional ownership
0.0%
0.0 pts vs last qtr
Institutional holders
0
0 vs last qtr
Net shares bought
0
by institutions in Q2 2026
New / sold out
0 / 0
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

None.

Biggest sellers in Q2 2026

None.

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Advent Technologies Holdings Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2020–FY2024
+206.3%
+32.29% a year
Each share's claim on the business
−67.4%
shrank without buying or selling a share
Spent on buybacks vs paid in stock
$69.4K vs $32.7M
over 5 fiscal years
Diluted shares, split-adjusted
829.3K1.7M2.6M2020: 855.0K shares'202021: 1.9M shares'212022: 1.7M shares'222023: 1.9M shares'232024: 2.6M shares'24
Buybacks Stock-based comp
$0$5.2M$10.4M2020 buybacks: $69.4K2020 stock comp: $869.5K'202021 buybacks: $02021 stock comp: $7.7M'212022 buybacks: $02022 stock comp: $10.4M'222023 buybacks: $02023 stock comp: $9.9M'232024 buybacks: $02024 stock comp: $3.8M'24

How patient are the owners?

No 13F manager reports holding ADNH.

Super Investors

Investment managers reporting ADNH on Form 13F
No 13F manager reports holding ADNH yet.

Institutional Funds

Mutual funds and ETFs reporting ADNH on Form N-PORT; together they hold 1.1% of the company
VE
Vanguard Extended Market Index Fund
Vanguard Index Funds
Position value
$76.3K
% of company
0.60%
% of the fund
0.00%
As of
September 30, 2025
FE
Fidelity Extended Market Index Fund
Fidelity Concord Street Trust
Position value
$56K
% of company
0.33%
% of the fund
0.00%
As of
August 31, 2025

2 more funds behind a free account

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