ETF comparison
IUSG vs SPYG
Both US Large Cap Growth.
iShares Core S&P U.S. Growth ETF · State Street SPDR Portfolio S&P 500 Growth ETF
Holdings overlap
143 positions appear in both funds. Buying equal dollars of IUSG and SPYG would leave roughly 94.5% of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
Expense ratios are effectively identical (0.040% vs 0.040%).
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 IUSG vs SPYG.
Top shared holdings
143 shared in total| # | Holding | In IUSG | In SPYG | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA Corp. | 13.84% | 14.62% | 13.84% |
| 2 | Microsoft Corp. | 8.97% | 9.48% | 8.97% |
| 3 | Apple Inc. | 6.08% | 6.43% | 6.08% |
| 4 | Alphabet Inc. | 5.47% | 5.78% | 5.47% |
| 5 | Broadcom Inc | 4.79% | 5.06% | 4.79% |
| 6 | Alphabet Inc. | 4.38% | 4.63% | 4.38% |
| 7 | Meta Platforms Inc | 4.09% | 4.32% | 4.09% |
| 8 | Amazon.com, Inc. | 3.52% | 3.72% | 3.52% |
| 9 | Berkshire Hathaway Inc. | 2.87% | 3.03% | 2.87% |
| 10 | Eli Lilly & Co. | 2.38% | 2.51% | 2.38% |
| 11 | Tesla Inc | 2.12% | 2.24% | 2.12% |
| 12 | JPMorgan Chase & Co. | 1.76% | 1.86% | 1.76% |
Only in IUSG
242 total- TechnipFMC PLC 0.09%
- Casey'S General Stores Inc. 0.09%
- United Therapeutics Corporation 0.08%
- Curtiss-Wright Corp. 0.08%
- FLEX LTD 0.08%
- XPO Inc 0.07%
- Woodward Inc. 0.07%
- Royal Gold, Inc. 0.07%
- ATI Inc 0.06%
- Mastec, Inc. 0.06%
Only in SPYG
1 total- State Street Global Advisors 0.00%
Open IUSG or SPYG 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.