XLB
State Street Materials Select Sector SPDR ETF
Stock · Financial Services · Asset Management · US · $8.1B market cap
Held by ETFs$207M
Share of the company≈3%
Top-10 holding in9 ETFs
Built on XLB alone0 ETFs
Most per dollar · basketSECT 4.0%
Biggest holderSECT $116M
Every ETF built around XLB
Closest to the stock first, then outward.
Map · size = assets, color = YTDFundNameWhat it gives youXLB per $1,000YTDYieldFeeAssets
4Heaviest basketsXLB is the biggest slice; over $1B first9 funds hold it in their top 10
Where the ETF money in XLB sits
Other $205MInternational $3MSectors $0M
The ETF Tracker@TheETFTrackerTile size = dollars of XLB held · $207M across funds that list it in their top 10
The ETF TrackerWhere the ETF money in XLB sits@TheETFTracker · etftracker.io · Nov 2, 2026