Who Owns MUB?

iShares National Muni Bond ETF — Institutional Ownership & 13F Holdings

$107.39

+0.01 (+0.01%)

Market Cap

$43.3B

Shares Outstanding

397,467,678

Institutional Holders

1,478

Total Inst. Value

$24.9B

% of Float Held

QoQ Holder Change

+676

Institutional data as of Q1 2025

New Positions

435

Closed Positions

104

Increased

437

Decreased

471

Institutional Ownership Trend

Top 10 Institutional Holders(Q1 2025)

#FundValueShares
1BANK OF AMERICA CORP /DE/$3.0B28,842,668
2Betterment LLC$1.9B18,408,702
3FMR LLC$1.4B12,928,038
4WELLS FARGO & COMPANY/MN$1.1B10,067,934
5JPMORGAN CHASE & CO$1.0B9,522,657
6MORGAN STANLEY$933.7M8,855,124
7Bank of New York Mellon Corp$884.1M8,384,779
8NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO$800.1M7,588,089
9MERCER GLOBAL ADVISORS INC /ADV$717.1M6,801,267
10Fisher Asset Management, LLC$657.5M6,235,796

Biggest Buyers & Sellers This Quarter

Top Buyers

Top Sellers

FundShares RemovedValue
Brooklyn FI, LLC-6.8M$14.1M
BANK OF AMERICA CORP /DE/-2.0M$3.0B
JANE STREET GROUP, LLC-1.9M$36.6M
OSAIC HOLDINGS, INC.-815K$64.1M
Meeder Advisory Services, Inc.-764K$2.8M

Famous Fund Managers

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Frequently Asked Questions

How many institutional investors hold MUB?

As of Q1 2025, 1478 institutional investors report holding MUB (iShares National Muni Bond ETF) in their 13F filings.

Which hedge fund owns the most MUB?

The largest institutional holder of MUB is BANK OF AMERICA CORP /DE/ with $3.0B in shares.

Are institutions buying or selling MUB?

This quarter, 435 institutions opened new positions in MUB and 104 closed their positions.

What is 13F institutional ownership?

SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.

How often is institutional ownership data updated?

13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.