IWM
iShares Russell 2000 ETF
IWM (iShares Russell 2000 ETF) top 10 disclosed holdings
| # | Ticker | % Fund |
|---|---|---|
| 1 |  INSMInsmed Incorporated | 0.70% |
| 2 |  FIXComfort Systems USA | 0.50% |
| 3 |  HALOHalozyme Therapeutics | 0.40% |
| 4 |  MLIMueller Industries | 0.40% |
| 5 |  FTAIFTAI Aviation | 0.40% |
| 6 |  VRTVertiv Holdings | 0.40% |
| 7 |  ANFAbercrombie & Fitch | 0.30% |
| 8 |  CRSCarpenter Technology | 0.30% |
| 9 |  SFMSprouts Farmers Market | 0.30% |
| 10 |  ONTOOnto Innovation | 0.30% |
As of 2026-03-31. Weights drift daily with price moves.
Source disclosure
Frequently asked questions
What are the top holdings of IWM?
Top 5 holdings of iShares Russell 2000 ETF (IWM): INSM, FIX, HALO, MLI, FTAI. Top-3 concentration: 1.6% of the fund. Full top-10 list below with individual weights. Source: iShares (BlackRock) official disclosure as of 2026-03-31.
What is the AUM of IWM?
iShares Russell 2000 ETF (IWM) has $68B in assets under management with a 0.19% expense ratio. Category: Broad Market. Issuer: iShares (BlackRock).
How concentrated is IWM?
Top-3 holdings account for 1.6% of IWM. The full top-10 list spans the rest of the publicly disclosed portfolio. Below 15% top-3 = broadly diversified.
Where does HoldLens get IWM data?
Holdings sourced from iShares (BlackRock)'s official ETF disclosure (refreshed daily by the issuer). HoldLens verified 2026-03-31. ETF disclosure lag varies by issuer but is typically 1-3 business days. See /methodology for full source list.
Holdings data from iShares (BlackRock)’s official ETF holdings-disclosure page as of 2026-03-31. ETFs publish full holdings daily; weights shown are snapshot. Not investment advice.