$MUA

$9.70 +$0.10 (1.04%) Close

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

Ownership

13F as of Q2 2026 · 50.4M shares outstanding

Who owns MUA?

By type of holder

Institutions 23.4% Insiders 0.0% Everyone else 76.6%

Concentration Top 10 holders own 15.6%

Bank Of America Corp /de/ 2.7% · Guggenheim Capital LLC 2.1%

Institutional ownership

23.4%

-0.4 pts vs last qtr

Institutional holders

-6 vs last qtr

Net shares bought

−227.2K

by institutions in Q2 2026

New / sold out

9 / 15

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Rivernorth Capital Management, LLC +555.7K
Advisors Asset Management, Inc. +117.0K

Biggest sellers in Q2 2026

Sit Investment Associates Inc −310.9K
Guggenheim Capital LLC −280.8K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for BlackRock MuniAssets Fund Inc in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for BlackRock MuniAssets Fund Inc.

How patient are the owners?

Institutional shares by how long they've been held

5+ years55% 3–5 years5% 1–3 years25% Under 1 year15%

Quarterly turnover

9.9%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting MUA on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
BO Bank Of America Corp /de/	1.4M	2.74%	−56.4K (−3.9%)	≤2021	0.0%
Shares held by quarter Peak holding1.5M (Q3'25) Change over 8 quarters+332.5K Share of the company2.740% Bank Of America Corp /de/'s full portfolio →
GC Guggenheim Capital LLC	1.1M	2.11%	−280.8K (−20.9%)	≤2021	0.1%
Shares held by quarter Peak holding1.3M (Q1'26) Change over 8 quarters−36.5K Share of the company2.110% Guggenheim Capital LLC's full portfolio →

Bank Of America Corp /de/

1.4M

% of company

2.74%

Change vs last qtr

−56.4K (−3.9%)

Held since

≤2021

Guggenheim Capital LLC

1.1M

% of company

2.11%

Change vs last qtr

−280.8K (−20.9%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding BlackRock MuniAssets Fund Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MUA on Form N-PORT; together they hold 3.2% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VC VanEck CEF Muni Income ETF VanEck ETF Trust	$4.42M	437.9K	0.87%	2.02%	July 31, 2026
RF RiverNorth Flexible Municipal Income Fund II Inc. RiverNorth Flexible Municipal Income Fund II Inc.	$3.57M	324.5K	0.64%	1.00%	June 30, 2026

VanEck CEF Muni Income ETF

VanEck ETF Trust

Position value

$4.42M

% of company

0.87%

% of the fund

2.02%

As of

July 31, 2026

RiverNorth Flexible Municipal Income Fund II Inc.

Position value

$3.57M

% of company

0.64%

% of the fund

1.00%

As of

June 30, 2026

11 more funds behind a free account

See every fund holding BlackRock MuniAssets Fund Inc 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
RC Romaglino Christian Insider	1.1K	0.00%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.000% Romaglino Christian's insider activity →
HR Hubbard Robert Glenn Insider	260	0.00%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.000% Hubbard Robert Glenn's insider activity →

Romaglino Christian

Insider

1.1K

% of company

0.00%

Change vs last qtr

—

Held since

—

Hubbard Robert Glenn

Insider

260

% of company

0.00%

Change vs last qtr

—

Held since

—

2 more holders behind a free account

See every insider and 5%+ holder of BlackRock MuniAssets Fund Inc.

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