$MMLP

$2.01 +$0.03 (1.52%) Close

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

Ownership

13F as of Q2 2026 · 39.1M shares outstanding

Who owns MMLP?

By type of holder

Institutions 44.2% Insiders 0.0% Everyone else 55.8%

Concentration Top 10 holders own 104.5%

Ruben S. Martin III 29.3% · Martin Resource Management Corp 19.4%

Institutional ownership

44.2%

-0.7 pts vs last qtr

Institutional holders

-5 vs last qtr

Net shares bought

−288.5K

by institutions in Q2 2026

New / sold out

2 / 7

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Morgan Stanley +65.3K
Annis Gardner Whiting Capital Advisors, LLC +38.0K

Biggest sellers in Q2 2026

Artisan Partners Limited Partnership SOLD OUT −114.9K
Susquehanna International Group, LLP SOLD OUT −94.5K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Martin Midstream Partners LP in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Martin Midstream Partners LP.

How patient are the owners?

Institutional shares by how long they've been held

5+ years68% 3–5 years0% 1–3 years26% Under 1 year6%

Quarterly turnover

1.6%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting MMLP on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
I Invesco Ltd.	7.2M	18.44%	Unchanged	≤2021	0.0%
Shares held by quarter Peak holding7.2M (Q3'24) Change over 8 quarters0 Share of the company18.440% Invesco Ltd.'s full portfolio →
NH Nomura Holdings Inc	3.6M	9.11%	Unchanged	2024	0.0%
Shares held by quarter Peak holding3.8M (Q2'25) Change over 8 quarters+3.6M Share of the company9.110% Nomura Holdings Inc's full portfolio →

Invesco Ltd.

7.2M

% of company

18.44%

Change vs last qtr

Unchanged

Held since

≤2021

Nomura Holdings Inc

3.6M

% of company

9.11%

Change vs last qtr

Unchanged

Held since

2024

28 more super investors behind a free account

See every manager holding Martin Midstream Partners LP, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MMLP on Form N-PORT; together they hold 19.6% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IS Invesco SteelPath MLP Income Fund AIM Investment Funds (Invesco Investment Funds)	$17.1M	7.0M	17.96%	0.38%	May 31, 2026
NE NexPoint Event Driven Fund NexPoint Funds I	$943K	408.2K	1.04%	1.27%	June 30, 2026

Invesco SteelPath MLP Income Fund

AIM Investment Funds (Invesco Investment Funds)

Position value

$17.1M

% of company

17.96%

% of the fund

0.38%

As of

May 31, 2026

NexPoint Event Driven Fund

NexPoint Funds I

Position value

$943K

% of company

1.04%

% of the fund

1.27%

As of

June 30, 2026

3 more funds behind a free account

See every fund holding Martin Midstream Partners LP 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
RS Ruben S. Martin III 5%+ holder 13D · 29.4%	11.5M	29.34%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company29.340% Disclosed stake13D · 29.4% View the 13D/G filing →
MR Martin Resource Management Corp 5%+ holder 13D · 19.4%	7.6M	19.41%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company19.410% Disclosed stake13D · 19.4% View the 13D/G filing →

Ruben S. Martin III

5%+ holder13D · 29.4%

11.5M

% of company

29.34%

Change vs last qtr

—

Held since

—

Martin Resource Management Corp

5%+ holder13D · 19.4%

7.6M

% of company

19.41%

Change vs last qtr

—

Held since

—

3 more holders behind a free account

See every insider and 5%+ holder of Martin Midstream Partners LP.

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