SPBO
State Street SPDR Portfolio Corporate Bond ETF
Stock · Financial Services · Asset Management - Bonds · US · $2.1B market cap
Held by ETFs$203M
Share of the company≈10%
Top-10 holding in3 ETFs
Built on SPBO alone0 ETFs
Most per dollar · basket—
Biggest holderFISR $152M
Every ETF built around SPBO
Closest to the stock first, then outward.
Map · size = assets, color = YTDFundNameWhat it gives youSPBO per $1,000YTDYieldFeeAssets
4Heaviest basketsSPBO is the biggest slice; over $1B first3 funds hold it in their top 10
Where the ETF money in SPBO sits
Other $203M
The ETF Tracker@TheETFTrackerTile size = dollars of SPBO held · $203M across funds that list it in their top 10
The ETF TrackerWhere the ETF money in SPBO sits@TheETFTracker · etftracker.io · Nov 2, 2026