ISHARES TR MBS ETF is a security (CUSIP 464288958) tracked across SEC portfolio filings. 2 institutional managers reported $1.4M on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $1.4M | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |