Who Owns MBB?

iShares MBS ETF — Institutional Ownership & 13F Holdings

$95.08

+0.03 (+0.03%)

Market Cap

$39.9B

Shares Outstanding

406,679,407

Institutional Holders

910

Total Inst. Value

$23.3B

% of Float Held

QoQ Holder Change

+400

Institutional data as of Q1 2025

New Positions

264

Closed Positions

74

Increased

261

Decreased

309

Institutional Ownership Trend

Top 10 Institutional Holders(Q1 2025)

#FundValueShares
1BANK OF AMERICA CORP /DE/$5.9B62,533,177
2JPMORGAN CHASE & CO$4.8B50,754,674
3Fisher Asset Management, LLC$2.0B21,042,969
4AMERIPRISE FINANCIAL INC$1.3B14,262,855
5MORGAN STANLEY$787.8M8,400,529
6TIAA TRUST, NATIONAL ASSOCIATION$500.2M5,333,373
7STIFEL FINANCIAL CORP$348.5M3,716,571
8TRUIST FINANCIAL CORP$342.5M3,651,852
9Bank of New York Mellon Corp$297.8M3,175,740
10WELLS FARGO & COMPANY/MN$238.8M2,545,914

Biggest Buyers & Sellers This Quarter

Top Buyers

FundShares AddedValue
Fisher Asset Management, LLC+1.3M$2.0B
UBS Group AG+668K$227.6M
Cetera Investment Advisers+278K$174.8M
Composition Wealth, LLC+107K$157.3M
RAYMOND JAMES FINANCIAL INC+164K$133.4M

Top Sellers

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Frequently Asked Questions

How many institutional investors hold MBB?

As of Q1 2025, 910 institutional investors report holding MBB (iShares MBS ETF) in their 13F filings.

Which hedge fund owns the most MBB?

The largest institutional holder of MBB is BANK OF AMERICA CORP /DE/ with $5.9B in shares.

Are institutions buying or selling MBB?

This quarter, 264 institutions opened new positions in MBB and 74 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.