Both funds come from SPDR. SPLG is a U.S. large-cap core ETF, while SPTM is an equity ETF. SPLG and SPTM show very heavy overlap, with an estimated weighted overlap of 83.07%. They share 465 holdings in the loaded dataset, led by NVDA, AAPL, and MSFT.
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Both funds come from SPDR. SPLG is a U.S. large-cap core ETF, while SPTM is an equity ETF. SPLG and SPTM show very heavy overlap, with an estimated weighted overlap of 83.07%. They share 465 holdings in the loaded dataset, led by NVDA, AAPL, and MSFT.
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Both funds come from SPDR. SPLG is a U.S. large-cap core ETF, while SPTM is an equity ETF. SPLG and SPTM are closely aligned. A large share of their portfolio weight is invested in the same companies, especially NVDA, AAPL, and MSFT, which means holding both is likely to feel similar to increasing the size of one core position.
Both funds come from SPDR. SPLG is a U.S. large-cap core ETF, while SPTM is an equity ETF. SPLG is the broader fund, while SPTM is the more targeted sleeve. SPLG and SPTM 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 21.23% 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, SPTM is the narrower expression. SPLG and SPTM are priced very similarly on expense ratio.
Concentration
The top three shared holdings explain 21.23% 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 SPTM.
| Holding | Name | SPLG Wt. | SPTM Wt. | Overlap |
|---|---|---|---|---|
| NVDA | NVIDIA CORP | 8.58% | 6.98% | 6.98% |
| AAPL | APPLE INC | 6.80% | 6.13% | 6.13% |
| MSFT | MICROSOFT CORP | 6.84% | 4.52% | 4.52% |
| AMZN | AMAZON.COM INC | 3.80% | 3.35% | 3.35% |
| GOOGL | ALPHABET INC CL A | 2.71% | 2.75% | 2.71% |
| AVGO | BROADCOM INC | 3.08% | 2.42% | 2.42% |
| GOOG | ALPHABET INC CL C | 2.18% | 2.21% | 2.18% |
| META | META PLATFORMS INC CLASS A | 2.77% | 2.06% | 2.06% |
| TSLA | TESLA INC | 2.20% | 1.72% | 1.72% |
| BRK.B | BERKSHIRE HATHAWAY INC CL B | 1.48% | 1.45% | 1.45% |
Both funds come from SPDR. SPLG is a U.S. large-cap core ETF, while SPTM is an equity ETF. The overlap exists because both funds allocate meaningful weight to the same holdings. In this dataset, the biggest shared drivers are NVDA, AAPL, and MSFT, which appear in both portfolios and push the overlap score higher.
Holding both SPLG and SPTM is usually redundant unless you have a very specific reason to tilt toward their shared holdings. In most cases, one ETF is enough.
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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.