SPLG vs VOO: Holdings Overlap
SPLGState Street® SPDR® Portfolio S&P 500® ETF
State Street (SPDR) · 504 holdings · $157.4B · as of 2026-08-06
Vanguard · 504 holdings · $1.03T · as of 2026-03-31
Holdings snapshots are 128 days apart (SPLG: 2026-08-06, VOO: 2026-03-31). 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 SPLG and VOO?
State Street® SPDR® Portfolio S&P 500® ETF (SPLG, by State Street (SPDR)) holds 504 positions; Vanguard 500 Index Fund (VOO, by Vanguard) holds 504. They have 492 holdings in common, and by portfolio weight the two funds are 91.1% identical. In practical terms the pair is essentially interchangeable, so holding both adds little diversification.
- Overlap by Weight
- 91.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 492SPLG holds 504 · VOO holds 504
- Weight in Shared Holdings
- SPLG 98%·VOO 98%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 SPLG
12 of 504 positions (1.8% of the fund) are not held by VOO.
Sector Breakdown
| Sector | SPLG | VOO |
|---|---|---|
| Information Technology | 37.6% | 32.7% |
| Financials | 12.3% | 12.4% |
| Communication Services | 9.7% | 10.5% |
| Consumer Discretionary | 9.3% | 9.9% |
| Health Care | 8.9% | 9.5% |
| Other Sectors | 22.1% | 24.9% |
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 |
|---|---|---|---|---|---|---|---|
| SPLG | +3.4% | +14.1% | +23.7% | +21.3% | +13.4% | +15.4% | 1.00% |
| VOO | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 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 SPLG vs VOO →
Shared Holdings(492)
The top 10 shared positions account for 39% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 8.00% | 7.58% | 7.58% |
|---|---|---|---|
 AAPLApple Inc. COM | 6.92% | 6.66% | 6.66% |
 MSFTMicrosoft Corp. COM | 5.60% | 4.91% | 4.91% |
 AMZNAmazon.com, Inc. COM | 4.02% | 3.64% | 3.64% |
 GOOGLAlphabet Inc. CAP STK CL A | 3.16% | 2.99% | 2.99% |
 AVGOBroadcom Inc COM | 3.00% | 2.62% | 2.62% |
 GOOGAlphabet Inc. CAP STK CL C | 2.54% | 2.40% | 2.40% |
 METAMeta Platforms, Inc., Class A | 1.95% | 2.24% | 1.95% |
 BRK-BBerkshire Hathaway, Inc., Class B | 1.45% | 1.57% | 1.45% |
 TSLATesla Inc COM | 1.36% | 1.87% | 1.36% |
 JPMJPMorgan Chase & Co. COM | 1.44% | 1.34% | 1.34% |
 LLYEli Lilly & Co. COM | 1.42% | 1.30% | 1.30% |
 JNJJohnson & Johnson COM | 0.93% | 1.05% | 0.93% |
 VVisa, Inc., Class A | 0.93% | 0.89% | 0.89% |
 WMTWalmart Inc COM | 0.74% | 0.97% | 0.74% |
 MAMasterCard Incorporated CL A | 0.70% | 0.73% | 0.70% |
 MUMicron Technology Inc. COM | 1.50% | 0.68% | 0.68% |
 ABBVAbbVie Inc. COM | 0.65% | 0.69% | 0.65% |
 COSTCostco Wholesale Corporation COM | 0.63% | 0.79% | 0.63% |
 AMDAdvanced Micro Devices Inc. COM | 1.20% | 0.59% | 0.59% |
 CATCaterpillar Inc COM | 0.59% | 0.59% | 0.59% |
 BACBank of America Corp. COM | 0.62% | 0.56% | 0.56% |
 CSCOCisco Systems, Inc. COM | 0.72% | 0.55% | 0.55% |
 PLTRPalantir Technologies, Inc., Class A | 0.54% | 0.60% | 0.54% |
 CVXChevron Corp. COM | 0.53% | 0.69% | 0.53% |
Showing the top 250 of 492 shared holdings by overlap weight.
Frequently Asked Questions
How much do SPLG and VOO overlap?
SPLG and VOO overlap by 91.1% of portfolio weight. They share 492 holdings (SPLG holds 504 positions and VOO holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SPLG and VOO?
The two portfolios are 91.1% 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 SPLG and VOO?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 39% of the total overlap.
What does SPLG own that VOO doesn't?
12 positions (1.8% of SPLG) are unique to SPLG, led by XOM, MRVL and HON. In the other direction, 12 positions (1.8% of VOO) are unique to VOO.