IBB
iShares Biotechnology ETF
Stock · Financial Services · Asset Management · US · $10.4B market cap
Held by ETFs$40M
Share of the company≈0.4%
Top-10 holding in2 ETFs
Built on IBB alone0 ETFs
Most per dollar · basket—
Biggest holderMSMR $38M
Every ETF built around IBB
Closest to the stock first, then outward.
Map · size = assets, color = YTDFundNameWhat it gives youIBB per $1,000YTDYieldFeeAssets
4Heaviest basketsIBB is the biggest slice; over $1B first2 funds hold it in their top 10
Where the ETF money in IBB sits
Other $40M
The ETF Tracker@TheETFTrackerTile size = dollars of IBB held · $40M across funds that list it in their top 10
The ETF TrackerWhere the ETF money in IBB sits@TheETFTracker · etftracker.io · Nov 1, 2026