MBB

iShares MBS ETF

StockFinancial ServicesAsset Management - BondsUS$35.5B market cap

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MBB total return with dividends reinvested, from daily closes

Held by ETFs: $372M; in funds that list it in their top 10
Share of the company: ≈1%; of iShares MBS ETF held through ETFs
Top-10 holding in: 9 ETFs; one of their ten biggest
Built on MBB alone: 0 ETFs; […]
Most per dollar · basket: APCB 12.0%; $120 of every $1,000
Biggest holder: APCB $120M; of MBB, 12.0% of the fund

Every ETF Theme Built Around MBB

YTD

Heaviest MBB Baskets

YTD

$120per $1,000 in APCB

APCB12.0%−1.0%WTBN25.6%−1.9%KDRN15.2%−0.3%DUKZ15.0%+0.4%BDBT14.9%−0.8%FTRB13.1%−0.7%

Corner: MBB weight · MBB is the biggest slice

End-of-day Nov 4, 2026 · each tile is one fund · closest to the stock first, then outward

Where the Money Sits

Where the ETF Money in MBB Sits

Today

91%in Other funds

Other $338MIncome $34M

APCB$120M · 12.0%FTRB$96M · 13.1%BDBT$74M · 14.9%WTBN$27M · 25.6%BNDC2 moreMAMBDUKZ

Tile size = dollars of MBB held% = MBB’s weight in the fund

End-of-day Nov 4, 2026 · $372M across funds that list MBB in their top 10

Open in desk

More of It

Most MBB per $1,000

Today

$256of MBB per $1,000 in WTBN, the heaviest basket

#FundNameIssuerPer $1K ▼YTDOpen

1WTBNWisdomTree Bianco Total Return FundWisdomTree$256−1.9%Open

2KDRNKingsbarn Tactical Bond ETFKingsbarn$152−0.3%Open

3DUKZOcean Park Diversified Income ETFOcean Park$150+0.4%Open

4BDBTBluemonte Core Bond ETFBluemonte$149−0.8%Open

5FTRBFederated Hermes Total Return Bond ETFFederated Hermes$131−0.7%Open

6MAMBMonarch Ambassador Income Index ETFMonarch$125−0.4%Open

7APCBActivePassive Core Bond ETFActivePassive$120−1.0%Open

8BNDCNorthern Trust Core Bond ETFFlexShares$104−1.1%Open

9FOPCThe Advisors' Inner Circle Fund II Frontier Asset Opportunistic Credit ETFFrontier Asset$70−0.4%Open

End-of-day Nov 4, 2026 · ties ranked by assets · geared index funds not ranked (per $1,000 not in the data)

Thematic ETFs Holding MBB

Today

$120in APCB, the heaviest basket

FundPer $1,000YTD

APCB$120−1.0%

WTBN$256−1.9%

KDRN$152−0.3%

DUKZ$150+0.4%

BDBT$149−0.8%

FTRB$131−0.7%

End-of-day Nov 4, 2026 · bars run to $300

Income from It

Income Strategies Holding MBB

YTD

$34Mof MBB held by 2 income funds · MAMB is the largest

StrategyFundNameMBB per $1,000YieldYTDAssets

Income basketMAMBMonarch Ambassador Income Index ETF$1252.8%−0.4%$199M

On $10KMAMB $277/yr

End-of-day Nov 4, 2026 · $34M = income funds that list MBB in their top 10 · trailing yield