$DBHL

$3.80 +$0.05 (1.33%) Close

$DBHL Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 57.7M shares outstanding

Who owns DBHL?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 361.2%

Exor N.V. 322.4% · Elizabeth Muller 22.0%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

+1 vs last qtr

Net shares bought

+4.0M

by institutions in Q2 2026

New / sold out

3 / 2

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Exor N.V. +3.4M
Gagnon Securities LLC NEW +765.2K

Biggest sellers in Q2 2026

Orbimed Advisors LLC −530.7K
Strategic Investment Solutions, Inc. /IL SOLD OUT −127

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Deep Isolation Nuclear Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2024–FY2025

+22.2%

+22.20% a year

Each share's claim on the business

−18.2%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $585K

over 2 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years3% 3–5 years96% 1–3 years0% Under 1 year1%

Quarterly turnover

1.3%

of institutional shares changed hands

Top 10 managers, median time held

1 quarter

Super Investors

Investment managers reporting DBHL on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
EN Exor N.V.	185.9M	322.42%	+3.4M (+1.9%)	2023	92.6%
Shares held by quarter Peak holding185.9M (Q2'26) Change over 8 quarters+21.4M Share of the company322.420% Exor N.V.'s full portfolio →
OA Orbimed Advisors LLC	5.7M	9.85%	−530.7K (−8.5%)	≤2021	0.6%
Shares held by quarter Peak holding12.0M (Q3'24) Change over 8 quarters−6.4M Share of the company9.850% Orbimed Advisors LLC's full portfolio →

Exor N.V.

185.9M

% of company

322.42%

Change vs last qtr

+3.4M (+1.9%)

Held since

2023

Orbimed Advisors LLC

5.7M

% of company

9.85%

Change vs last qtr

−530.7K (−8.5%)

Held since

≤2021

6 more super investors behind a free account

See every manager holding Deep Isolation Nuclear Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting DBHL on Form N-PORT; together they hold 0.0% of the company

No fund reports holding DBHL yet.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
EM Elizabeth Muller 5%+ holder 13D · 22.1%	12.7M	21.96%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company21.960% Disclosed stake13D · 22.1% View the 13D/G filing →
BR Baltzer Rodney Insider	1.2M	2.01%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company2.010% Baltzer Rodney's insider activity →

Elizabeth Muller

5%+ holder13D · 22.1%

12.7M

% of company

21.96%

Change vs last qtr

—

Held since

—

Baltzer Rodney

Insider

1.2M

% of company

2.01%

Change vs last qtr

—

Held since

—

11 more holders behind a free account

See every insider and 5%+ holder of Deep Isolation Nuclear Inc.

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