IUSB
iShares Core Universal USD Bond ETF
Stock · Financial Services · Asset Management - Bonds · US · $41.9B market cap
Held by ETFs$43M
Share of the company≈0.1%
Top-10 holding in2 ETFs
Built on IUSB alone0 ETFs
Most per dollar · basket—
Biggest holderRSBY $24M
Every ETF built around IUSB
Closest to the stock first, then outward.
Map · size = assets, color = YTDFundNameWhat it gives youIUSB per $1,000YTDYieldFeeAssets
4Heaviest basketsIUSB is the biggest slice; over $1B first2 funds hold it in their top 10
Where the ETF money in IUSB sits
Other $24MInternational $19M
The ETF Tracker@TheETFTrackerTile size = dollars of IUSB held · $43M across funds that list it in their top 10
The ETF TrackerWhere the ETF money in IUSB sits@TheETFTracker · etftracker.io · Nov 3, 2026