ISHARES MBS ETF (MBB) Institutional Ownership and Insiders Activity

ISHARES MBS ETF (MBB) is widely held by institutional investors, with 1007 firms reporting positions valued at approximately $35.01B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Bank Of America Corp is the largest disclosed holder, reporting approximately $6.45B in MBB holdings in its latest filing.

Institutional Holders

1,007

Total Reported Value

$35.01B

Largest Holder

Bank Of America Corp

Largest Position

$6.45B

Insider Transactions (90d)

0

Latest Filing Quarter

Q2 2026

New Institutional Positions

90

Funds Exiting Positions

110