ETF comparison
IWF vs SPYM
US Large Cap Growth vs US Large Cap.
iShares Russell 1000 Growth ETF · State Street SPDR Portfolio S&P 500 ETF
Holdings overlap
177 positions appear in both funds. Buying equal dollars of IWF and SPYM 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
SPYM is 16 bps cheaper than IWF. On a $100,000 position that's about $160/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 SPYM.
Top shared holdings
177 shared in total| # | Holding | In IWF | In SPYM | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORPORATION | 13.83% | 7.51% | 7.51% |
| 2 | APPLE INC. | 6.72% | 6.59% | 6.59% |
| 3 | MICROSOFT CORPORATION | 4.11% | 4.29% | 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% | 1.83% | 1.83% |
| 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 SPYM
329 total- Berkshire Hathaway Inc 1.42%
- JPMorgan Chase & Co 1.36%
- Intel Corp 1.02%
- Johnson & Johnson 0.95%
- Exxon Mobil Corp 0.88%
- Cisco Systems Inc 0.72%
- UnitedHealth Group Inc 0.58%
- Procter & Gamble Co/The 0.53%
- Merck & Co Inc 0.49%
- Chevron Corp 0.48%
Related comparisons
More comparisons with IWF
More comparisons with SPYM
- SPYM vs VOOV · Vanguard S&P 500 Value Index Fund ETF Shares 57.4%
- SPYM vs VUG · Vanguard Morningstar Growth ETF 57.4%
- SPYM vs IWD · iShares Russell 1000 Value ETF 57.2%
- SPYM vs ONEQ · Fidelity Nasdaq Composite Index ETF 56.7%
- SPYM vs DTD · WisdomTree U.S. Total Dividend Fund 56.4%
- SPYM vs VONV · Vanguard Russell 1000 Value Index Fund ETF Shares 55.1%
Percentages are holdings overlap with the named fund.
Open IWF or SPYM 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.