SPY vs VONG: Holdings Overlap
SPYState Street® SPDR® S&P 500® ETF Trust
State Street (SPDR) · 504 holdings · $812.0B · as of 2026-08-06
VONGVanguard Russell 1000 Growth Index Fund
Vanguard · 387 holdings · $45.7B · as of 2026-05-31
Holdings snapshots are 67 days apart (SPY: 2026-08-06, VONG: 2026-05-31). 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 SPY and VONG?
State Street® SPDR® S&P 500® ETF Trust (SPY, by State Street (SPDR)) holds 504 positions; Vanguard Russell 1000 Growth Index Fund (VONG, by Vanguard) holds 387. They have 192 holdings in common, and by portfolio weight the two funds are 59.0% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 59.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 192SPY holds 504 · VONG holds 387
- Weight in Shared Holdings
- SPY 67%·VONG 95%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 SPY
312 of 504 positions (33.0% of the fund) are not held by VONG. Showing the top 30 by weight.
Only in VONG
195 of 387 positions (4.4% of the fund) are not held by SPY. Showing the top 30 by weight.
Sector Breakdown
| Sector | SPY | VONG |
|---|---|---|
| Information Technology | 37.6% | 52.8% |
| Consumer Discretionary | 9.3% | 12.7% |
| Communication Services | 9.7% | 12.5% |
| Financials | 12.3% | 5.1% |
| Health Care | 8.9% | 6.9% |
| Other Sectors | 22.1% | 9.9% |
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 |
|---|---|---|---|---|---|---|---|
| SPY | +3.4% | +14.0% | +23.7% | +21.2% | +13.3% | +15.3% | 0.97% |
| VONG | +2.7% | +5.6% | +13.3% | +22.2% | +12.8% | +17.9% | 0.45% |
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 SPY vs VONG →
Shared Holdings(192)
The top 10 shared positions account for 64% of the overlap, led by NVDA, AAPL and MSFT.
8.00% | 13.07% | 8.00% | |
6.92% | 11.95% | 6.92% | |
5.60% | 8.96% | 5.60% | |
4.02% | 5.06% | 4.02% | |
3.16% | 3.91% | 3.16% | |
3.00% | 5.77% | 3.00% | |
2.54% | 3.15% | 2.54% | |
1.95% | 3.19% | 1.95% | |
1.42% | 2.67% | 1.42% | |
1.36% | 3.48% | 1.36% | |
1.20% | 1.47% | 1.20% | |
0.93% | 1.57% | 0.93% | |
0.70% | 1.20% | 0.70% | |
0.65% | 1.16% | 0.65% | |
0.63% | 1.28% | 0.63% | |
0.59% | 1.01% | 0.59% | |
0.58% | 1.20% | 0.58% | |
0.54% | 1.03% | 0.54% | |
0.52% | 0.73% | 0.52% | |
0.47% | 1.10% | 0.47% | |
0.51% | 0.45% | 0.45% | |
0.44% | 0.68% | 0.44% | |
0.41% | 0.79% | 0.41% | |
0.38% | 0.76% | 0.38% | |
0.37% | 1.15% | 0.37% |
Frequently Asked Questions
How much do SPY and VONG overlap?
SPY and VONG overlap by 59.0% of portfolio weight. They share 192 holdings (SPY holds 504 positions and VONG holds 387), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SPY and VONG?
The two portfolios are 59.0% 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 SPY and VONG?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 64% of the total overlap.
What does SPY own that VONG doesn't?
312 positions (33.0% of SPY) are unique to SPY, led by MU, BRK-B and JPM. In the other direction, 195 positions (4.4% of VONG) are unique to VONG.