IVV vs SPTM: Holdings Overlap
iShares · 503 holdings · $901.0B · as of 2026-03-31
SPTMState Street® SPDR® Portfolio S&P 1500® Composite Stock Market ETF
State Street (SPDR) · 1506 holdings · $13.6B · as of 2026-08-06
Holdings snapshots are 128 days apart (IVV: 2026-03-31, SPTM: 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 IVV and SPTM?
iShares Core S&P 500 ETF (IVV, by iShares) holds 503 positions; State Street® SPDR® Portfolio S&P 1500® Composite Stock Market ETF (SPTM, by State Street (SPDR)) holds 1506. They have 495 holdings in common, and by portfolio weight the two funds are 87.1% identical. In practical terms the pair is essentially interchangeable, so holding both adds little diversification.
- Overlap by Weight
- 87.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 495IVV holds 503 · SPTM holds 1506
- Weight in Shared Holdings
- IVV 98%·SPTM 91%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 IVV
8 of 503 positions (1.8% of the fund) are not held by SPTM.
Only in SPTM
1011 of 1506 positions (9.2% of the fund) are not held by IVV. Showing the top 30 by weight.
Sector Breakdown
| Sector | IVV | SPTM |
|---|---|---|
| Information Technology | 32.6% | 35.8% |
| Financials | 12.6% | 12.6% |
| Communication Services | 10.5% | 9.1% |
| Consumer Discretionary | 9.8% | 9.5% |
| Industrials | 9.0% | 9.8% |
| Other Sectors | 25.3% | 23.0% |
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 |
|---|---|---|---|---|---|---|---|
| IVV | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.05% |
| SPTM | +3.4% | +14.5% | +24.1% | +20.8% | +13.1% | +15.1% | 1.03% |
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 IVV vs SPTM →
Shared Holdings(495)
The top 10 shared positions account for 40% of the overlap, led by NVDA, AAPL and MSFT.
7.56% | 7.38% | 7.38% | |
6.65% | 6.39% | 6.39% | |
4.91% | 5.17% | 4.91% | |
3.63% | 3.71% | 3.63% | |
2.99% | 2.92% | 2.92% | |
2.62% | 2.77% | 2.62% | |
2.39% | 2.34% | 2.34% | |
2.23% | 1.80% | 1.80% | |
1.57% | 1.34% | 1.34% | |
1.42% | 1.33% | 1.33% | |
1.30% | 1.31% | 1.30% | |
1.87% | 1.25% | 1.25% | |
1.05% | 0.86% | 0.86% | |
0.91% | 0.86% | 0.86% | |
0.97% | 0.69% | 0.69% | |
0.68% | 1.38% | 0.68% | |
0.73% | 0.65% | 0.65% | |
0.69% | 0.60% | 0.60% | |
0.59% | 1.11% | 0.59% | |
0.79% | 0.58% | 0.58% | |
0.58% | 0.57% | 0.57% | |
0.59% | 0.55% | 0.55% | |
0.55% | 0.67% | 0.55% | |
0.53% | 0.54% | 0.53% | |
0.60% | 0.50% | 0.50% |
Showing the top 250 of 495 shared holdings by overlap weight.
Frequently Asked Questions
How much do IVV and SPTM overlap?
IVV and SPTM overlap by 87.1% of portfolio weight. They share 495 holdings (IVV holds 503 positions and SPTM holds 1506), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IVV and SPTM?
The two portfolios are 87.1% identical by weight. Owning both is largely redundant: they are close to the same portfolio, so a second position mostly duplicates the first.
What are the biggest shared holdings of IVV and SPTM?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 40% of the total overlap.
What does IVV own that SPTM doesn't?
8 positions (1.8% of IVV) are unique to IVV, led by XOM, HON and EA. In the other direction, 1011 positions (9.2% of SPTM) are unique to SPTM.