ITOT vs SPYG: Holdings Overlap
ITOTiShares Core S&P Total U.S. Stock Market ETF
iShares · 2487 holdings · $97.6B · as of 2026-03-31
SPYGState Street® SPDR® Portfolio S&P 500® Growth ETF
State Street (SPDR) · 147 holdings · $54.7B · as of 2026-08-06
Holdings snapshots are 128 days apart (ITOT: 2026-03-31, SPYG: 2026-08-06). 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 ITOT and SPYG?
iShares Core S&P Total U.S. Stock Market ETF (ITOT, by iShares) holds 2487 positions; State Street® SPDR® Portfolio S&P 500® Growth ETF (SPYG, by State Street (SPDR)) holds 147. They have 146 holdings in common, and by portfolio weight the two funds are 56.4% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 56.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 146ITOT holds 2487 · SPYG holds 147
- Weight in Shared Holdings
- ITOT 57%·SPYG 100%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 ITOT
2341 of 2487 positions (42.5% of the fund) are not held by SPYG. Showing the top 30 by weight.
Only in SPYG
1 of 147 positions (0.1% of the fund) are not held by ITOT.
CCLCarnival Corp Ltd0.10%
Sector Breakdown
| Sector | ITOT | SPYG |
|---|---|---|
| Information Technology | 30.8% | 52.5% |
| Communication Services | 9.7% | 15.3% |
| Financials | 12.9% | 9.0% |
| Industrials | 10.2% | 6.4% |
| Health Care | 9.9% | 6.1% |
| Other Sectors | 26.2% | 10.8% |
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 |
|---|---|---|---|---|---|---|---|
| ITOT | +3.3% | +14.6% | +24.1% | +20.9% | +12.3% | +14.9% | 0.97% |
| SPYG | +4.4% | +15.6% | +25.4% | +26.9% | +14.2% | +17.9% | 0.47% |
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 ITOT vs SPYG →
Shared Holdings(146)
The top 10 shared positions account for 57% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 6.69% | 14.58% | 6.69% |
|---|---|---|---|
 AAPLApple Inc. COM | 5.88% | 6.30% | 5.88% |
 MSFTMicrosoft Corp. COM | 4.34% | 10.20% | 4.34% |
 AMZNAmazon.com, Inc. COM | 3.21% | 3.88% | 3.21% |
 GOOGLAlphabet Inc. CAP STK CL A | 2.64% | 5.76% | 2.64% |
 AVGOBroadcom Inc COM | 2.32% | 5.47% | 2.32% |
 GOOGAlphabet Inc. CAP STK CL C | 2.12% | 4.63% | 2.12% |
 METAMeta Platforms, Inc., Class A | 1.98% | 3.56% | 1.98% |
 TSLATesla Inc COM | 1.65% | 1.53% | 1.53% |
 BRK-BBerkshire Hathaway, Inc., Class B | 1.39% | 2.64% | 1.39% |
 JPMJPMorgan Chase & Co. COM | 1.25% | 1.78% | 1.25% |
 LLYEli Lilly & Co. COM | 1.15% | 2.59% | 1.15% |
 JNJJohnson & Johnson COM | 0.93% | 1.00% | 0.93% |
 VVisa, Inc., Class A | 0.80% | 0.93% | 0.80% |
 MAMasterCard Incorporated CL A | 0.64% | 0.86% | 0.64% |
 NFLXNetflix, Inc. COM | 0.64% | 0.85% | 0.64% |
 MUMicron Technology Inc. COM | 0.60% | 2.73% | 0.60% |
 ABBVAbbVie Inc. COM | 0.61% | 0.54% | 0.54% |
 PLTRPalantir Technologies, Inc., Class A | 0.53% | 0.98% | 0.53% |
 AMDAdvanced Micro Devices Inc. COM | 0.52% | 2.19% | 0.52% |
 CATCaterpillar Inc COM | 0.52% | 1.08% | 0.52% |
 CSCOCisco Systems, Inc. COM | 0.48% | 0.70% | 0.48% |
 GEGeneral Electric Co. | 0.47% | 0.56% | 0.47% |
 AMATApplied Materials Inc. COM | 0.43% | 1.15% | 0.43% |
 LRCXLam Research Corporation COM NEW | 0.42% | 1.05% | 0.42% |
Frequently Asked Questions
How much do ITOT and SPYG overlap?
ITOT and SPYG overlap by 56.4% of portfolio weight. They share 146 holdings (ITOT holds 2487 positions and SPYG holds 147), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ITOT and SPYG?
The two portfolios are 56.4% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of ITOT and SPYG?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 57% of the total overlap.
What does ITOT own that SPYG doesn't?
2341 positions (42.5% of ITOT) are unique to ITOT, led by XOM, WMT and COST. In the other direction, 1 positions (0.1% of SPYG) are unique to SPYG.