ETF comparison
IWF vs VOO
US Large Cap Growth vs US Large Cap.
Holdings overlap
177 positions appear in both funds. Buying equal dollars of IWF and VOO would leave roughly 57.5% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
VOO is 15 bps cheaper than IWF. On a $100,000 position that's about $150/yr more in fees for IWF.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with IWF vs VOO.
Top shared holdings
177 shared in total| # | Holding | In IWF | In VOO | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORPORATION | 13.83% | 7.51% | 7.51% |
| 2 | APPLE INC. | 6.72% | 6.59% | 6.59% |
| 3 | MICROSOFT CORPORATION | 4.11% | 4.30% | 4.11% |
| 4 | ALPHABET INC. | 6.17% | 3.25% | 3.25% |
| 5 | BROADCOM INC. | 5.21% | 2.77% | 2.77% |
| 6 | ALPHABET INC. | 4.98% | 2.59% | 2.59% |
| 7 | MICRON TECHNOLOGY, INC. | 3.86% | 2.02% | 2.02% |
| 8 | META PLATFORMS, INC. | 3.00% | 1.92% | 1.92% |
| 9 | TESLA, INC. | 3.64% | 1.84% | 1.84% |
| 10 | ELI LILLY AND COMPANY | 2.84% | 1.47% | 1.47% |
| 11 | ADVANCED MICRO DEVICES, INC. | 2.80% | 1.47% | 1.47% |
| 12 | APPLIED MATERIALS, INC. | 1.70% | 0.89% | 0.89% |
Only in IWF
191 total- SNOWFLAKE INC. 0.25%
- SPACE EXPLORATION TECHNOLOGIES CORP. 0.24%
- BLOOM ENERGY CORPORATION 0.24%
- CLOUDFLARE, INC. 0.23%
- Astera Labs, Inc 0.22%
- SPOTIFY TECHNOLOGY S.A. 0.21%
- ROCKET LAB CORPORATION 0.16%
- Nu Holdings Ltd. 0.14%
- Credo Technology Group Holding Ltd 0.13%
- ALNYLAM PHARMACEUTICALS, INC. 0.12%
Only in VOO
327 total- Berkshire Hathaway Inc 1.42%
- JPMorgan Chase & Co 1.26%
- Intel Corp 1.02%
- Johnson & Johnson 0.95%
- Exxon Mobil Corp 0.88%
- Cisco Systems Inc 0.72%
- UnitedHealth Group Inc 0.59%
- Procter & Gamble Co/The 0.53%
- Merck & Co Inc 0.49%
- Chevron Corp 0.48%
Related comparisons
More comparisons with IWF
- IWF vs SPYM · State Street SPDR Portfolio S&P 500 ETF 57.5%
- IWF vs IVV · iShares Core S&P 500 ETF 57.4%
- IWF vs IWB · iShares Russell 1000 ETF 56.9%
- IWF vs SPY · State Street SPDR S&P 500 ETF Trust 56.6%
- IWF vs SCHX · Schwab U.S. Large-Cap ETF 56.4%
- IWF vs VONE · Vanguard Russell 1000 Index Fund ETF Shares 56.3%
More comparisons with VOO
- VOO vs VUG · Vanguard Morningstar Growth ETF 57.5%
- VOO vs VOOV · Vanguard S&P 500 Value Index Fund ETF Shares 57.4%
- VOO vs IWD · iShares Russell 1000 Value ETF 57.1%
- VOO vs ONEQ · Fidelity Nasdaq Composite Index ETF 56.8%
- VOO vs DTD · WisdomTree U.S. Total Dividend Fund 56.2%
- VOO vs VONV · Vanguard Russell 1000 Value Index Fund ETF Shares 54.9%
Percentages are holdings overlap with the named fund.
Open IWF or VOO at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.