Guardfolio Research · ETF Concentration
IWF ETF Concentration: Top 10 Holds 56.4%
IWF (iShares Russell 1000 Growth ETF) has an HHI of 470.26 and about 21.26 effective positions as of 2026-08-22. The largest holding is about 15.3%; the Top 10 sum to 56.4%, led by NVDA, AAPL, GOOGL, MSFT, AVGO. iShares Russell 1000 Growth often doubles the same megacap bets already sitting inside QQQ or VUG.
Concentration Snapshot
Band
High concentration versus the Guardfolio 22-fund ETF set. Peer context: VGT HHI 750.94; XLK HHI 590.81; VUG HHI 565.32.
The Data
IWF top holdings and concentration math
Weights are normalized from licensed full holdings. HHI is the sum of squared percentage weights. Effective positions = 10,000 / HHI. This page is part of Guardfolio's concentration cluster, separate from ETF overlap pair pages.
| Provider | Financial Modeling Prep |
|---|---|
| Fund date | 2026-08-22 |
| Holdings counted | 367 |
| Top 3 / Top 5 | 28.7% / 39.2% |
| Holding | Weight |
|---|---|
| NVIDIA (NVDA) | 15.3% |
| APPLE (AAPL) | 7.4% |
| ALPHABET CLASS A (GOOGL) | 6.0% |
| MICROSOFT (MSFT) | 5.4% |
| BROADCOM INC (AVGO) | 5.1% |
| ALPHABET CLASS C (GOOG) | 4.9% |
| MICRON TECHNOLOGY (MU) | 3.3% |
| TESLA INC (TSLA) | 3.0% |
| ELI LILLY (LLY) | 3.0% |
| META PLATFORMS CLASS A (META) | 3.0% |
Educational snapshot only. Holdings and weights change. HHI does not measure return correlation or future risk.
Why it matters
Concentration vs overlap for IWF holders
iShares Russell 1000 Growth often doubles the same megacap bets already sitting inside QQQ or VUG. If you also hold QQQ, VUG, IWF or a megacap stock, look-through exposure can stack even when fund labels look different. After this page, check pairwise overlap and the portfolio concentration calculator.
ETF overlap checker · Concentration risk hub · Portfolio X-Ray
FAQ
IWF concentration: common questions
How concentrated is IWF?
IWF has an HHI of 470.26 and about 21.26 effective positions based on licensed full holdings dated 2026-08-22. The largest holding is about 15.3% and the Top 10 holdings sum to about 56.4%.
What are the largest holdings in IWF?
The largest contributors include NVIDIA (NVDA) 15.3%; APPLE (AAPL) 7.4%; ALPHABET CLASS A (GOOGL) 6.0%; MICROSOFT (MSFT) 5.4%; BROADCOM INC (AVGO) 5.1%; ALPHABET CLASS C (GOOG) 4.9%; MICRON TECHNOLOGY (MU) 3.3%; TESLA INC (TSLA) 3.0%.
Is IWF more concentrated than the S&P 500?
Yes on this snapshot. IWF's HHI of 470.26 sits above broad S&P 500 wrappers in the Guardfolio 22-fund set. Compare Top 10 weight (56.4%) with SPY/VOO on the concentration benchmarks page.
Does concentration mean IWF overlaps with other ETFs?
Concentration measures how much weight sits in a few names inside one fund. Overlap measures shared holdings across two funds. A concentrated ETF can still pair badly with another fund that owns the same megacaps. Check the ETF overlap checker after you review concentration.
Related concentration pages