SPLG vs VUG Overlap

SPLG is a U.S. large-cap core ETF from SPDR, while VUG is a U.S. growth equity ETF from Vanguard. SPLG and VUG show heavy overlap, with an estimated weighted overlap of 59.34%. They share 122 holdings in the loaded dataset, led by NVDA, MSFT, and AAPL.

59.3% overlap
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122Shared Holdings
OK
High Overlap

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Quick Answer

SPLG is a U.S. large-cap core ETF from SPDR, while VUG is a U.S. growth equity ETF from Vanguard. SPLG and VUG show heavy overlap, with an estimated weighted overlap of 59.34%. They share 122 holdings in the loaded dataset, led by NVDA, MSFT, and AAPL.

  • 59.34% weighted overlap across 122 shared holdings.
  • The top three shared holdings explain 37.02% of the measured overlap.
  • SPLG is the broader fund, while VUG is more targeted.
  • The overlap is mostly explained by the top shared positions rather than sector labels alone.
  • Holding both may add less diversification than the fund names imply.

Data Freshness

SPLG holdings
Mar 12, 2026
VUG holdings
Mar 12, 2026
Overlap computed
Mar 15, 2026
Data source
Financial Modeling Prep

Review the methodology for the overlap formula and refresh policy.

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About These ETFs

ETF A

SPLG

SPDR Portfolio S&P 500 ETF

Issuer
SPDR
Asset class
Equity
Expense ratio
0.02%
AUM
$96B
Inception
Nov 7, 2005

ETF B

VUG

Vanguard Growth ETF

Issuer
Vanguard
Asset class
Large Cap Equity
Expense ratio
0.03%
AUM
$350B
Inception
Jan 26, 2004

What Stands Out In This Comparison

01

What This Means

SPLG is a U.S. large-cap core ETF from SPDR, while VUG is a U.S. growth equity ETF from Vanguard. SPLG and VUG share a large chunk of the same portfolio weight. The overlap is driven by positions like NVDA, MSFT, and AAPL, so owning both may not diversify your stock exposure as much as the fund names suggest.

02

How They Differ

SPLG is a U.S. large-cap core ETF from SPDR, while VUG is a U.S. growth equity ETF from Vanguard. SPLG is the broader fund, while VUG is the more targeted sleeve. SPLG and VUG are priced very similarly on expense ratio.

03

What Drives The Overlap

The overlap is driven by a relatively small set of large shared positions. The top three shared holdings account for 37.02% of the score, which means the result is heavily influenced by the biggest common weights rather than a long tail of tiny positions.

04

When One May Fit Better

If you want the broader portfolio building block, SPLG is usually the wider choice. If you want the more focused tilt, VUG is the narrower expression. SPLG and VUG are priced very similarly on expense ratio.

Overlap Driver Snapshot

Concentration

The top three shared holdings explain 37.02% 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.

Top Shared Holdings

These are the holdings contributing the most to the overlap score between SPLG and VUG.

HoldingSPLG Wt.VUG Wt.Overlap
NVDA8.34%13.23%8.34%
MSFT6.85%9.60%6.85%
AAPL6.79%11.50%6.79%
AMZN3.78%4.81%3.78%
AVGO2.98%3.92%2.98%
META2.77%4.69%2.77%
GOOGL2.64%5.90%2.64%
TSLA2.20%3.66%2.20%
GOOG2.13%4.67%2.13%
LLY1.11%2.66%1.11%

Why These ETFs Overlap

SPLG is a U.S. large-cap core ETF from SPDR, while VUG is a U.S. growth 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 NVDA, MSFT, and AAPL, which appear in both portfolios and push the overlap score higher.

Holding both SPLG and VUG may add less diversification than you expect. Many investors would choose the ETF that best matches their goal and avoid paying for duplicate exposure.

Related Comparisons

Frequently Asked Questions About SPLG and VUG

What is the overlap between SPLG and VUG?+
SPLG and VUG currently show an estimated weighted overlap of 59.34% based on the loaded holdings data.
How many holdings do SPLG and VUG share?+
They share 122 holdings in the current dataset.
Is the SPLG and VUG overlap high?+
The current verdict is High Overlap. That means the two ETFs have substantial duplication in portfolio weight.
Why do SPLG and VUG overlap?+
SPLG and VUG overlap because the same large positions appear in both funds. In this comparison, the top three shared holdings explain 37.02% of the measured overlap score.
Which ETF is broader, SPLG or VUG?+
SPLG is the broader fund, while VUG is the more targeted sleeve. That does not automatically make one better, but it helps explain why the pair can overlap while still serving different roles.

How Overlap Is Calculated

A straightforward approach used by portfolio analysts.

Overlap = sum(min(Weight_A, Weight_B)) for each shared holding

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.

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