Skip to content
Fundology

IMBA holdings

As of , IMBA (iShares US Mortgage Backed Securities UCITS ETF Acc, ISIN IE00BYXYYN70) has 71 holdings on our record, together 107.5% of the fund; the ten largest make up 87.5%. iShares reports 610 positions in all. Weights are shares of the whole fund.

IMBA: price, returns and charges

Largest holdings

The 10 largest holdings of IMBA, as a percentage of the whole fund, as of 29/09/2026
Rank#HoldingWeight as a percentage of the fund
1Fnma 30YR UmbsFNMA439919.08%
2Fhlmc 30YR UmbsFRQB910413.86%
3Fnma 30YR Umbs SuperFNFM608112.33%
4Fhlmc 30YR Umbs SuperFRSD830711.38%
5Blk Ics USD Leaf Agency Dist9.01%
6GNMA2 30YR 2021 ProductionG2MA76485.26%
7GNMA2 30YR 2022 ProductionG2MA81514.33%
8Fnma 30YRFNMA27714.20%
9GNMA2 30YR 2024 ProductionG2MB00254.07%
10Umbs 30YR Tba(Reg A)UM303.94%

Source: iShares, holdings as published, as of

More of the portfolio

The fund publishes 610 holdings; the ten largest make up 87.5% of it. The fund's portfolio is also split by currency, maturity and credit quality.

Create a free account to see the full holdings list and the currency, maturity and credit-quality breakdowns

Sign-up takes an email address. There is no card to enter and nothing to pay.

Create a free accountSign in

Where it invests

The whole portfolio by sector, country and type of asset, every line, as a share of the whole fund. Bonds, cash and positions the source does not classify are shown as they come, not guessed.

By sector

  1. MBS Pass-Through98.6%
  2. Cash and derivatives1.4%
As published by iShares, as of 29/09/2026.

By type of asset

  1. Bonds98.5%
  2. Cash and money market9.1%
Added up from the holdings iShares publishes, as of 29/09/2026.

More:IMBA: key facts, returns and chargesCompare what it holds with another fundHoldings overlapHow overlap is measured

Holdings and weights are as published by iShares on 29/09/2026 and change as the fund trades.