$GULTU

$0.04 -$0.01 (12.86%) Close

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

Ownership

13F as of Q2 2026 · 230.2M shares outstanding

Who owns GULTU?

By type of holder

Institutions 0.0% Insiders 16.9% Everyone else 83.1%

Concentration Top 1 holders own 16.9%

Subin Neil S 16.9%

Institutional ownership

0.0%

0.0 pts vs last qtr

Institutional holders

-1 vs last qtr

Net shares bought

−5.3K

by institutions in Q2 2026

New / sold out

0 / 1

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

None.

Biggest sellers in Q2 2026

Lanark Financial, Inc. SOLD OUT −5.3K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Gulf Coast Ultra Deep Royalty Trust in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Gulf Coast Ultra Deep Royalty Trust.

How patient are the owners?

No 13F manager reports holding GULTU.

Super Investors

Investment managers reporting GULTU on Form 13F

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
LF Lanark Financial, Inc.	—	—	SOLD OUT		—	0.0%
Shares held by quarter Peak holding5.3K (Q3'25) Change over 8 quarters0 Lanark Financial, Inc.'s full portfolio →

Lanark Financial, Inc.

—

% of company

—

Change vs last qtr

SOLD OUT

Held since

—

Institutional Funds

Mutual funds and ETFs reporting GULTU on Form N-PORT; together they hold 0.8% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
1V 1290 VT GAMCO Mergers & Acquisitions Portfolio EQ Advisors Trust	$20.4K	550.0K	0.24%	0.01%	June 30, 2026
GF GDL Fund GDL Fund	$17.1K	460.0K	0.20%	0.01%	June 30, 2026

1290 VT GAMCO Mergers & Acquisitions Portfolio

EQ Advisors Trust

Position value

$20.4K

% of company

0.24%

% of the fund

0.01%

As of

June 30, 2026

GDL Fund

Position value

$17.1K

% of company

0.20%

% of the fund

0.01%

As of

June 30, 2026

4 more funds behind a free account

See every fund holding Gulf Coast Ultra Deep Royalty Trust and how much of the fund the position is.

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
SN Subin Neil S Insider	39.0M	16.94%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company16.940% Subin Neil S's insider activity →

Subin Neil S

Insider

39.0M

% of company

16.94%

Change vs last qtr

—

Held since

—

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