VOOG vs IWF: Holdings Overlap
VOOGVanguard S&P 500 Growth Index Fund
Vanguard · 146 holdings · $27.2B · as of 2026-05-31
IWFiShares Russell 1000 Growth ETF
iShares · 387 holdings · $127.3B · as of 2026-03-31
Holdings snapshots are 61 days apart (VOOG: 2026-05-31, IWF: 2026-03-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are VOOG and IWF?
Vanguard S&P 500 Growth Index Fund (VOOG, by Vanguard) holds 146 positions; iShares Russell 1000 Growth ETF (IWF, by iShares) holds 387. They have 102 holdings in common, and by portfolio weight the two funds are 70.1% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 70.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 102VOOG holds 146 · IWF holds 387
- Weight in Shared Holdings
- VOOG 85%·IWF 85%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in VOOG
44 of 146 positions (15.1% of the fund) are not held by IWF. Showing the top 30 by weight.
Only in IWF
285 of 387 positions (14.8% of the fund) are not held by VOOG. Showing the top 30 by weight.
Sector Breakdown
| Sector | VOOG | IWF |
|---|---|---|
| Information Technology | 52.1% | 49.2% |
| Communication Services | 16.6% | 12.4% |
| Consumer Discretionary | 8.8% | 13.1% |
| Financials | 8.1% | 5.9% |
| Health Care | 5.7% | 8.0% |
| Other Sectors | 8.4% | 11.1% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| VOOG | +4.5% | +15.6% | +25.4% | +26.8% | +14.1% | +17.8% | 0.44% |
| IWF | +2.7% | +5.5% | +13.1% | +22.0% | +12.6% | +17.8% | 0.35% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in VOOG vs IWF →
Shared Holdings(102)
The top 10 shared positions account for 73% of the overlap, led by NVDA, MSFT and AAPL.
14.26% | 12.92% | 12.92% | |
9.29% | 8.82% | 8.82% | |
6.37% | 11.64% | 6.37% | |
5.89% | 4.79% | 4.79% | |
3.90% | 4.66% | 3.90% | |
6.16% | 3.54% | 3.54% | |
3.85% | 3.46% | 3.46% | |
4.89% | 2.87% | 2.87% | |
2.43% | 2.66% | 2.43% | |
2.11% | 3.55% | 2.11% | |
1.01% | 1.47% | 1.01% | |
0.99% | 1.15% | 0.99% | |
1.10% | 0.97% | 0.97% | |
0.84% | 1.84% | 0.84% | |
0.75% | 1.45% | 0.75% | |
0.73% | 0.85% | 0.73% | |
0.70% | 0.70% | 0.70% | |
2.34% | 0.69% | 0.69% | |
0.55% | 0.89% | 0.55% | |
0.51% | 0.56% | 0.51% | |
0.49% | 1.39% | 0.49% | |
0.49% | 1.06% | 0.49% | |
0.46% | 0.46% | 0.46% | |
0.42% | 0.59% | 0.42% | |
0.40% | 0.52% | 0.40% |
Frequently Asked Questions
How much do VOOG and IWF overlap?
VOOG and IWF overlap by 70.1% of portfolio weight. They share 102 holdings (VOOG holds 146 positions and IWF holds 387), based on each fund's latest SEC-reported holdings.
Is it redundant to own both VOOG and IWF?
The two portfolios are 70.1% identical by weight. Owning both mostly doubles down on the shared core rather than diversifying: the same large positions drive both funds.
What are the biggest shared holdings of VOOG and IWF?
The largest positions held by both funds are NVDA, MSFT, AAPL, AVGO and AMZN. Together the top 10 shared positions account for 73% of the total overlap.
What does VOOG own that IWF doesn't?
44 positions (15.1% of VOOG) are unique to VOOG, led by MU, BRK-B and JPM. In the other direction, 285 positions (14.8% of IWF) are unique to IWF.