MBBA iShares Mortgage-Backed Securities Active ETF
MBBA is an actively managed ETF that aims to maximize total return, consistent with income generation and prudent management. The fund invests primarily in mortgage-backed securities (MBS) and derivatives offering similar exposure or related market risks. Holdings may include Government National Mortgage Association (GNMA), Fannie Mae, Freddie Mac, other US government securities, and participation in to be announced (TBA) MBS transactions. The fund targets an average portfolio duration close (plus or minus one year) to its benchmark, the Bloomberg U.S. MBS Index. It may invest in residential/commercial MBS and other asset-backed securities, use options, futures, swaps, and interest rate transactions for exposure, risk mitigation, or return enhancement. As an actively managed ETF, the fund manager has full discretion to adjust the portfolio at any time.
Performance
| 1M | 3M | YTD | 1Y | 3Y ann. | 5Y ann. | |
|---|---|---|---|---|---|---|
| MBBA | +1.2% | -1.9% | — | — | — | — |
| Fixed Income average (909 funds) | +0.5% | -1.4% | -0.8% | -0.5% | +2.7% | -0.0% |
Insider activity in the holdings
Open-market insider buying across this fund’s holdings over 90 days, weighted by holding weight: +$0 net.
No open-market insider buys in the holdings in the last 90 days.
Holdings · as of Nov 12, 2026
| # | Holding | Weight |
|---|---|---|
| 1 | MBBA BLK CSH FND TREASURY SL AGENCY | 9.86% |
Sector breakdown
Country breakdown
Distributions
| Date | Per unit |
|---|---|
| Nov 2, 2026 | $0.1900 |
| Oct 1, 2026 | $0.0747 |
| Sep 1, 2026 | $0.1852 |
| Aug 3, 2026 | $0.1946 |
| Jul 1, 2026 | $0.1817 |
| Jun 1, 2026 | $0.1995 |
| May 1, 2026 | $0.2039 |
| Apr 1, 2026 | $0.1959 |
| Mar 2, 2026 | $0.3106 |
Members of Congress who disclosed this ETF
No member of Congress has disclosed a trade in MBBA in the filings we hold.
Fund facts, prices, performance and distributions: our market-data vendor. Holdings: the vendor and SEC Form N-PORT. Insider and Congress data: InsiderBuying. Last updated Nov 13, 2026. This is historical data, not investment advice. Report a data error