ETF comparison
IWF vs SPSM
US Large Cap Growth vs US Small Cap.
iShares Russell 1000 Growth ETF · State Street SPDR Portfolio S&P 600 Small Cap ETF
Holdings overlap
13 positions appear in both funds. Buying equal dollars of IWF and SPSM would leave roughly 0.1% 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
SPSM 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 SPSM.
Top shared holdings
13 shared in total| # | Holding | In IWF | In SPSM | Overlap |
|---|---|---|---|---|
| 1 | FORMFACTOR, INC. | 0.04% | 0.68% | 0.04% |
| 2 | POWELL INDUSTRIES, INC. | 0.02% | 0.44% | 0.02% |
| 3 | CORCEPT THERAPEUTICS INCORPORATED | 0.02% | 0.45% | 0.02% |
| 4 | EVERUS CONSTRUCTION GROUP, INC. | 0.02% | 0.46% | 0.02% |
| 5 | ETSY, INC. | 0.01% | 0.39% | 0.01% |
| 6 | MADISON SQUARE GARDEN SPORTS CORP. | 0.01% | 0.39% | 0.01% |
| 7 | ARMSTRONG WORLD INDUSTRIES, INC. | 0.01% | 0.37% | 0.01% |
| 8 | IRIDIUM COMMUNICATIONS INC. | 0.00% | 0.31% | 0.00% |
| 9 | LAZARD, INC. | 0.00% | 0.25% | 0.00% |
| 10 | LYFT, INC. | 0.00% | 0.30% | 0.00% |
| 11 | RINGCENTRAL, INC. | 0.00% | 0.16% | 0.00% |
| 12 | PRIMORIS SERVICES CORPORATION | 0.00% | 0.29% | 0.00% |
Only in IWF
355 total- NVIDIA CORPORATION 13.83%
- APPLE INC. 6.72%
- ALPHABET INC. 6.17%
- BROADCOM INC. 5.21%
- ALPHABET INC. 4.98%
- MICROSOFT CORPORATION 4.11%
- MICRON TECHNOLOGY, INC. 3.86%
- TESLA, INC. 3.64%
- META PLATFORMS, INC. 3.00%
- ELI LILLY AND COMPANY 2.84%
Only in SPSM
591 total- Viasat Inc 0.66%
- Molina Healthcare Inc 0.65%
- Argan Inc 0.60%
- BrightSpring Health Services Inc 0.60%
- Element Solutions Inc 0.59%
- MaxLinear Inc 0.58%
- Krystal Biotech Inc 0.53%
- ESCO Technologies Inc 0.49%
- Match Group Inc 0.48%
- Alkermes PLC 0.47%
Related comparisons
More comparisons with IWF
- IWF vs EEMV · iShares MSCI Emerging Markets Min Vol Factor ETF 0.1%
- IWF vs VIGI · Vanguard International Dividend Appreciation Index Fund ETF Shares 0.1%
- IWF vs DFAT · U.S. Targeted Value Portfolio-ETF Class Shares 0.1%
- IWF vs SPHD · Invesco S&P 500 High Dividend Low Volatility ETF 0.1%
- IWF vs VIOV · Vanguard S&P Small-Cap 600 Value Index Fund ETF Shares 0.0%
- IWF vs AVUV · Avantis US Small Cap Value ETF 0.0%
More comparisons with SPSM
Percentages are holdings overlap with the named fund.
Open IWF or SPSM 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.