IVW vs IWF: 77% overlap
iShares S&P 500 Growth ETF and iShares Russell 1000 Growth ETF share 76.6% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.
You would hold two tickers and get the diversification of 1.2. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
IVW and IWF hold 105 of the same securities. The ten contributing most to the overlap figure:
| Holding | in IVW | in IWF | Δ |
|---|---|---|---|
| NVDA | 14.7% | 15.1% | 0.4% |
| AAPL | 6.9% | 7.8% | 1.0% |
| GOOGL | 5.4% | 5.7% | 0.3% |
| AVGO | 5.4% | 5.7% | 0.3% |
| MSFT | 8.2% | 4.4% | 3.8% |
| GOOG | 4.4% | 4.7% | 0.3% |
| META | 3.9% | 3.4% | 0.5% |
| MU | 3.2% | 3.5% | 0.2% |
| LLY | 2.7% | 2.9% | 0.2% |
| AMD | 2.6% | 2.7% | 0.2% |
Where IVW and IWF differ
Sector weights as a share of each fund, ordered by the size of the gap rather than the size of the sector — two funds that overlap heavily still usually diverge somewhere.
| Sector | IVW | IWF | Δ |
|---|---|---|---|
| Financials | 9.2% | 4.7% | +4.5pp |
| Information Technology | 52.5% | 55.0% | −2.4pp |
| Industrials | 6.6% | 8.5% | −1.9pp |
| Communication Services | 14.7% | 15.7% | −1.0pp |
| Health Care | 6.3% | 5.6% | +0.7pp |
| Consumer Discretionary | 8.0% | 7.5% | +0.5pp |
| Energy | 0.0% | 0.5% | −0.5pp |
| Real Estate | 0.7% | 0.4% | +0.2pp |
Δ is IVW minus IWF, in percentage points. Sector data is not published by every issuer, so “Unclassified” is a real category rather than a gap in the table.
What each fund holds alone
13.1% of IVW by weight, held in no part of IWF.
13.7% of IWF by weight, held in no part of IVW.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| IVW | IWF | |
|---|---|---|
| Top 10 holdings | 58.2% | 56.1% |
| Positions held | 149 | 370 |
| Cost per $10,000 held, per year | $18 | $19 |
Cost is the expense ratio applied to $10,000; it excludes any brokerage commission, bid-ask spread or tax consequence. Figures are facts about the funds, not a suggestion about which to hold.
Frequently asked
How much do IVW and IWF overlap?
IVW and IWF overlap 76.6% by portfolio weight — substantial duplication if you hold both. They share 105 holdings. The figure comes from current issuer holdings files (IVW as of 2026-07-23, IWF as of 2026-07-23).
How is the overlap between IVW and IWF calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If IVW holds a stock at 6% and IWF holds the same stock at 4%, 4% counts as shared. The result is bounded between 0% and 100%, and it is computed after looking through any fund-of-funds to the underlying holdings.
Is it redundant to hold both IVW and IWF?
That depends on your goals — we state facts, not advice. At 76.6% overlap, most of what one fund holds, the other holds too. Expense ratios: IVW 0.18% versus IWF 0.19%.
What does IVW own that IWF doesn't?
IVW holds 149 positions and IWF holds 370; 43 of IVW's positions don't appear in IWF at all, and they are 13.1% of IVW by weight.
You probably hold more than two funds
This page compares IVW and IWF. Paste your whole portfolio — brokerage, 401(k), IRA — and see the overlap across every fund at once, plus what you actually own underneath them and your own Effective Funds number. Free, no account, nothing stored.
X-ray my portfolio — free →Watch IVW vs IWF
We re-read both funds’ published holdings every weeknight. Leave an address and we'll tell you when what's inside actually changes.
Not sending yet — email alerts are built but switched off, and you'll be among the first when they turn on. No spam, one-click unsubscribe.
Related comparisons
Sources: issuer holdings files, IVW as of 2026-07-23, IWF as of 2026-07-23. Weights are fractions of each fund. Diagnostics, not advice.