SPLG is a U.S. large-cap core ETF from SPDR, while VO is a mid-cap U.S. equity ETF from Vanguard. SPLG and VO show limited overlap, with an estimated weighted overlap of 14.79%. They share 240 holdings in the loaded dataset, led by CEG, HOOD, and DASH.
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Quick Answer
SPLG is a U.S. large-cap core ETF from SPDR, while VO is a mid-cap U.S. equity ETF from Vanguard. SPLG and VO show limited overlap, with an estimated weighted overlap of 14.79%. They share 240 holdings in the loaded dataset, led by CEG, HOOD, and DASH.
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SPLG is a U.S. large-cap core ETF from SPDR, while VO is a mid-cap U.S. equity ETF from Vanguard. SPLG and VO do not own much of the same portfolio weight. That usually means you are combining different parts of the market, with only a small amount of duplication through names like CEG, HOOD, and DASH.
SPLG is a U.S. large-cap core ETF from SPDR, while VO is a mid-cap U.S. equity ETF from Vanguard. SPLG is the broader fund, while VO is the more targeted sleeve. SPLG and VO are priced very similarly on expense ratio.
The overlap is driven by a relatively small set of large shared positions. The top three shared holdings account for 3.86% of the score, which means the result is heavily influenced by the biggest common weights rather than a long tail of tiny positions.
If you want the broader portfolio building block, SPLG is usually the wider choice. If you want the more focused tilt, VO is the narrower expression. SPLG and VO are priced very similarly on expense ratio.
Concentration
The top three shared holdings explain 3.86% of the full overlap score.
That helps show whether the score comes from a handful of giant shared positions or from a broader mix of common holdings.
Shared Sector Tilt
Sector tags are not consistently available for the biggest shared positions in this dataset, so this comparison leans more on the specific holdings than on sector labels.
These are the holdings contributing the most to the overlap score between SPLG and VO.
| Holding | Name | SPLG Wt. | VO Wt. | Overlap |
|---|---|---|---|---|
| CEG | CONSTELLATION ENERGY | 0.21% | 0.94% | 0.21% |
| HOOD | ROBINHOOD MARKETS INC A | 0.19% | 0.60% | 0.19% |
| DASH | DOORDASH INC A | 0.17% | 0.57% | 0.17% |
| NEM | NEWMONT CORP | 0.15% | 0.64% | 0.15% |
| HWM | HOWMET AEROSPACE INC | 0.14% | 1.01% | 0.14% |
| COIN | COINBASE GLOBAL INC CLASS A | 0.13% | 0.37% | 0.13% |
| TDG | TRANSDIGM GROUP INC | 0.13% | 0.71% | 0.13% |
| JCI | JOHNSON CONTROLS INTERNATION | 0.13% | 0.44% | 0.13% |
| MSI | MOTOROLA SOLUTIONS INC | 0.12% | 0.78% | 0.12% |
| TEL | TE CONNECTIVITY PLC | 0.12% | 0.67% | 0.12% |
SPLG is a U.S. large-cap core ETF from SPDR, while VO is a mid-cap U.S. equity ETF from Vanguard. The overlap exists because both funds allocate meaningful weight to the same holdings. In this dataset, the biggest shared drivers are CEG, HOOD, and DASH, which appear in both portfolios and push the overlap score higher.
Holding both SPLG and VO can make sense if you want exposure to different sleeves of the market. The overlap is small enough that both funds may still improve diversification.
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A straightforward approach used by portfolio analysts.
For every stock that appears in both ETFs, we take the smaller of the two weights. Adding up all those minimums gives the total overlap percentage. A score of 100% means the two ETFs hold the exact same stocks in the same proportions.
Want the full explanation? Read the methodology page.