There is a long list of 1344 institutional holders of MUB within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of MUB by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-MUB table below, the initial column indicates the name of each top institutional holder of MUB, with a link to that fund's top holdings. The next columns indicate the amount of MUB stock held by each of the institutional holders of MUB, followed by the MUB position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
Bank of America Corp DE	24,131,108	$2,616,053	12/31/2023
MUB	24,131,108	$2,616,053	12/31/2023
FMR LLC	18,878,546	$2,046,623	12/31/2023
MUB	18,878,546	$2,046,623	12/31/2023
Envestnet Asset Management Inc.	16,290,564	$1,766,060	12/31/2023
MUB	16,290,564	$1,766,060	12/31/2023
Bank of New York Mellon Corp	10,873,269	$1,178,771	12/31/2023
MUB	10,873,269	$1,178,771	12/31/2023
JPMorgan Chase & Co.	10,816,557	$1,172,623	12/31/2023
MUB	10,816,557	$1,172,623	12/31/2023
Creative Planning	10,677,645	$1,157,564	12/31/2023
MUB	10,677,645	$1,157,564	12/31/2023
Betterment LLC	9,762,968	$1,058,403	12/31/2023
MUB	9,762,968	$1,058,403	12/31/2023
Wealthfront Advisers LLC	9,609,442	$1,041,760	12/31/2023
MUB	9,609,442	$1,041,760	12/31/2023
Charles Schwab Investment Advisory Inc.	8,980,031	$973,525	12/31/2023
MUB	8,980,031	$973,525	12/31/2023
Wells Fargo & Company MN	7,978,397	$864,938	12/31/2023
MUB	7,978,397	$864,938	12/31/2023
Morgan Stanley	7,414,136	$803,767	12/31/2023
MUB	7,414,136	$803,767	12/31/2023
US Bancorp DE	7,077,970	$767,323	12/31/2023
MUB	7,077,970	$767,323	12/31/2023
The PNC Financial Services Group Inc.	6,231,317	$675,537	12/31/2023
MUB	6,231,317	$675,537	12/31/2023
Northwestern Mutual Wealth Management Co.	6,225,777	$674,936	12/31/2023
MUB	6,225,777	$674,936	12/31/2023
Envestnet Portfolio Solutions Inc.	5,911,962	$640,916	12/31/2023
MUB	5,911,962	$640,916	12/31/2023
LPL Financial LLC	5,816,803	$630,600	12/31/2023
MUB	5,816,803	$630,600	12/31/2023
Jane Street Group LLC	5,150,292	$558,343	12/31/2023
MUB	5,150,292	$558,343	12/31/2023
Mercer Global Advisors Inc. ADV	4,477,304	$485,384	12/31/2023
MUB	4,477,304	$485,384	12/31/2023
Fisher Asset Management LLC	4,046,529	$438,684	12/31/2023
MUB	4,046,529	$438,684	12/31/2023
TIAA Trust National Association	3,997,298	$433,347	12/31/2023
MUB	3,997,298	$433,347	12/31/2023
Orgel Wealth Management LLC	3,768,347	$405,474	03/31/2024
MUB	3,768,347	$405,474	03/31/2024
Sei Investments Co.	3,172,582	$343,942	12/31/2023
MUB	3,172,582	$343,942	12/31/2023
First Citizens Bank & Trust Co.	2,873,012	$309,136	03/31/2024
MUB	2,873,012	$309,136	03/31/2024
UBS Group AG	2,815,520	$305,231	12/31/2023
MUB	2,815,520	$305,231	12/31/2023
Adviser Investments LLC	2,729,275	$295,881	12/31/2023
MUB	2,729,275	$295,881	12/31/2023
Goldman Sachs Group Inc.	2,722,357	$295,131	12/31/2023
MUB	2,722,357	$295,131	12/31/2023
BlackRock Inc.	2,536,397	$274,971	12/31/2023
MUB	2,536,397	$274,971	12/31/2023
Commonwealth Equity Services LLC	2,428,025	$263,222	12/31/2023
MUB	2,428,025	$263,222	12/31/2023
Assetmark Inc.	2,029,034	$219,968	12/31/2023
MUB	2,029,034	$219,968	12/31/2023
Centiva Capital LP	1,677,100	$181,814	12/31/2023
MUB	1,677,100	$181,814	12/31/2023
LMR Partners LLP		$173,456	12/31/2023
Call	1,600,000	$173,456	12/31/2023
MML Investors Services LLC	1,500,005	$162,616	12/31/2023
MUB	1,500,005	$162,616	12/31/2023
Advisor Group Holdings Inc.	1,460,221	$158,317	12/31/2023
MUB	1,460,221	$158,317	12/31/2023
Mariner LLC	1,379,148	$149,513	12/31/2023
MUB	1,379,148	$149,513	12/31/2023
HighTower Advisors LLC	1,358,205	$147,235	12/31/2023
MUB	1,358,205	$147,235	12/31/2023
Ameriprise Financial Inc.	1,358,026	$147,039	12/31/2023
MUB	1,358,026	$147,039	12/31/2023
Signaturefd LLC	1,342,931	$145,587	12/31/2023
MUB	1,342,931	$145,587	12/31/2023
D. E. Shaw & Co. Inc.	1,297,800	$140,694	12/31/2023
MUB	1,297,800	$140,694	12/31/2023
Allstate Corp	1,235,486	$133,939	12/31/2023
MUB	1,235,486	$133,939	12/31/2023
Choate Investment Advisors	1,228,324	$133,163	12/31/2023
MUB	1,228,324	$133,163	12/31/2023
TFO TDC LLC	1,164	$126,189	12/31/2023
MUB	1,164	$126,189	12/31/2023
Royal Bank of Canada	1,158,723	$125,618	12/31/2023
MUB	1,158,723	$125,618	12/31/2023
Truist Financial Corp	1,106,233	$119,927	12/31/2023
MUB	1,106,233	$119,927	12/31/2023
Cliftonlarsonallen Wealth Advisors LLC	1,091,634	$118,344	12/31/2023
MUB	1,091,634	$118,344	12/31/2023
EP Wealth Advisors LLC	1,045,939	$113,390	12/31/2023
MUB	1,045,939	$113,390	12/31/2023
Sequoia Financial Advisors LLC	1,040,254	$112,774	12/31/2023
MUB	1,040,254	$112,774	12/31/2023
Oxford Financial Group Ltd.	974,409	$105,636	12/31/2023
MUB	974,409	$105,636	12/31/2023
Citigroup Inc.	969,387	$105,091	12/31/2023
MUB	969,387	$105,091	12/31/2023
Jones Financial Companies Lllp	967,734	$104,912	12/31/2023
MUB	967,734	$104,912	12/31/2023
Park Avenue Securities LLC	951,272	$102,357	03/31/2024
MUB	951,272	$102,357	03/31/2024