We use Google Analytics to count anonymous page views and understand which content gets read. No ads, no profiles. Decline keeps you on cookieless mode. Details.
Yes. BRK-B is 1.33% of IWB.
BRK-B is rank #10 of 10 tracked holdings in iShares Russell 1000 ETF, as of 2026-05-29.
iShares Russell 1000 ETF
The stockBRK-B — live data →Price, ETFs, correlations
Yes. As of 2026-05-29, BRK-B is 1.33% of IWB, ranked #10 of 10 tracked holdings.
Bubble-level rotation, holdings churn vs the prior snapshot, and rule-based alerts on IWB are part of QuantAbundancia Pro.
Get notified when constituents enter or exit, and when weights shift materially vs the prior disclosure. Free during beta.
No spam. One email per day max. Telegram alerts coming with the paid tier.