What is the fundamental difference between a momentum strategy like SPMO and a growth strategy like SPYG?

SPMO, the Invesco S&P 500 Momentum ETF, selects stocks based on their recent price performance, aiming to capture upward trends. It is categorised as a Large Blend fund. In contrast, SPYG, the SPDR Portfolio S&P 500 Growth ETF, focuses on companies with high growth potential, typically measured by metrics like earnings growth. It is categorised as a Large Growth fund. While both may hold similar large-cap stocks, the underlying selection criteria differ, potentially leading to distinct risk and return profiles over various market cycles.

How do expense ratios impact the long-term cost of owning these ETFs?

The expense ratio is an annual fee charged by the fund provider. SPMO has a 0.13% expense ratio, while SPYG has a 0.04% expense ratio. This means SPYG is 0.09 percentage points cheaper to hold annually. Over time, even small differences in fees can compound, reducing the overall net return to the investor. For example, on a $10,000 investment, the difference amounts to $9 per year. Investors should consider how these ongoing costs align with their expected holding period and investment goals, as lower fees generally enhance long-term wealth accumulation.

What does 'net assets' signify for these funds, and why does it matter?

Net assets represent the total market value of all securities held by the fund, minus liabilities. SPMO has $28.9 billion in net assets, whereas SPYG has $55.0 billion. Larger net assets often indicate greater liquidity and tighter bid-ask spreads, which can reduce trading costs for investors. They also suggest broader adoption by institutional and retail investors. While size does not guarantee performance, funds with larger assets may benefit from economies of scale and more efficient tracking of their respective strategies, making them practical for various trading volumes.

How significant is the overlap in top holdings between SPMO and SPYG?

There is notable overlap in the top ten holdings of both funds. Specifically, Micron Technology (MU), NVIDIA (NVDA), Broadcom (AVGO), Alphabet (GOOGL and GOOG) appear in the top ten of both SPMO and SPYG. For SPMO, MU is 11.09% and NVDA is 9.02%, while for SPYG, NVDA is 14.78% and MU is 3.15%. This shared concentration means that holding both funds may not provide as much diversification as expected, since they are exposed to similar individual stock risks within the technology and semiconductor sectors.

What are the key differences in dividend yields between SPMO and SPYG?

SPMO offers a dividend yield of 0.72%, while SPYG has a yield of 0.47%. This difference suggests that SPMO currently distributes slightly more income relative to its price. However, both yields are modest compared to the broader market average, which is often higher. Growth stocks typically reinvest profits rather than paying high dividends. Therefore, if income generation is a primary goal, these funds may not be suitable as standalone solutions. Investors should consider these yields alongside potential capital appreciation when evaluating the total return profile of each ETF.

How do the concentration risks differ between SPMO and SPYG?

Both funds exhibit single-stock concentration risks. SPMO holds 11.09% in Micron Technology and 9.02% in NVIDIA. SPYG holds 14.78% in NVIDIA and 10.07% in Microsoft. A significant downturn in the semiconductor sector could disproportionately impact both funds, but SPYG might be more sensitive to NVIDIA-specific performance due to its higher weight. Conversely, SPMO's momentum approach may shift its concentration more frequently based on recent price trends. Understanding these top-heavy positions is crucial for assessing portfolio risk, as they can drive most of the fund's short-term volatility.

What is the historical context of these funds' inception dates?

SPYG was launched on 25 September 2000, providing over two decades of operating history. This long track record allows investors to assess its performance across various market cycles, including the dot-com bubble burst and the 2008 financial crisis. SPMO, launched on 9 October 2015, has a shorter history of less than a decade. While this limits the amount of historical data available for backtesting, it still covers several significant market periods. Newer funds like SPMO may have less established reputations but can offer modernised approaches to factor investing.

How do these funds compare regarding sector exposure despite missing specific data?

Specific sector weight data is not available for either fund. However, by analysing top holdings, we can infer heavy exposure to technology and semiconductor sectors. SPMO's top holdings include Micron, NVIDIA, Broadcom, and AMD. SPYG's top holdings include NVIDIA, Microsoft, Apple, and Alphabet. Both funds are likely overweight in consumer discretionary and information technology sectors. Investors should be aware that this implied sector concentration may lead to higher correlation with tech industry performance, potentially increasing volatility during tech-focused market corrections.

What role do index tracking differences play, given the 'not available' data?

The specific indices tracked by SPMO and SPYG are not available in the provided data. Typically, SPMO tracks an S&P 500 Momentum index, which selects stocks based on relative strength. SPYG likely tracks an S&P 500 Growth index, focusing on growth factors. Without explicit index details, investors should understand that their tracking methods will lead to different holdings despite both being derived from the S&P 500. This structural difference means they will react differently to market style rotations, such as a shift from growth to value or vice versa.

How might market conditions affect a momentum ETF versus a growth ETF?

Momentum strategies like SPMO tend to perform well in trending markets where certain stocks are consistently outperforming. In choppy or reversing markets, momentum signals can lag, leading to higher turnover and potential losses. Growth strategies like SPYG are often sensitive to interest rate changes and future earnings expectations. In low-interest-rate environments, growth stocks may outperform. However, in rising rate environments, growth valuations may contract. The effectiveness of each strategy depends heavily on the prevailing market regime and economic conditions.

Why is liquidity important when comparing SPMO and SPYG?

Liquidity affects how easily and cheaply an investor can buy or sell shares. SPYG, with $55.0 billion in net assets, generally offers higher liquidity than SPMO, which has $28.9 billion. Higher liquidity typically results in narrower bid-ask spreads, reducing transaction costs. For active traders or large institutional investors, this difference is crucial for executing large orders without significantly impacting the share price. While both funds are substantial, SPYG's larger scale may provide a slight edge in trading efficiency and cost-effectiveness for frequent transactions.

What educational disclaimer applies to this ETF comparison?

This comparison is for educational purposes only and does not constitute financial advice. The data provided regarding expense ratios, net assets, dividend yields, and holdings is based on information fetched on 22 September 2026 from Yahoo Finance. Past performance is not indicative of future results. Investors should conduct their own due diligence, consider their risk tolerance and investment goals, and consult with a qualified financial advisor before making any investment decisions. Market conditions and fund characteristics can change rapidly, so always verify current data.

SPMO vs SPYG

Two funds, one decision: we compare cost, performance and what each ETF actually holds in September 2026.

Compare Invesco S&P 500 Momentum ETF (SPMO) and SPDR Portfolio S&P 500 Growth ETF (SPYG). Review fees, holdings, dividends, and how each tracks the market. SPMO has a 0.13% expense ratio; SPYG has 0.04%. Educational content, not financial advice.

Fund Snapshot

Key Fund Metrics

SPMO

Metric

SPYG

0.13%

Expense Ratio

0.04%

0.72%

Dividend Yield

0.47%

$28.85B

Net Assets

$55.00B

102

Holdings

153

Oct 9, 2015

Inception Date

Sep 25, 2000

–

Index Tracked

–

Large Blend

Fund Category

Large Growth

SPYG costs about $9.00 less per year for every $10,000 invested.

Shared Top Holdings

Holding	SPMO	SPYG
MUMicron Technology, Inc.	11.09%	3.15%
NVDANVIDIA Corporation	9.02%	14.78%
AVGOBroadcom Inc.	6.05%	4.67%
GOOGLAlphabet Inc.	4.51%	5.64%
GOOGAlphabet Inc.	3.57%	4.50%

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Investment Analysis

SPMO

Pros

Invesco S&P 500 Momentum ETF offers a distinct style tilt, complementing core holdings through a momentum factor approach.
It holds $28.9 billion in net assets, ensuring strong liquidity and trading activity for institutional and retail investors.
A 0.72% dividend yield provides a modest income stream while capturing upward price trends within the large blend category.

Considerations

The 0.13% expense ratio is higher than broad market index funds, potentially reducing long-term net returns for investors.
Significant concentration in Micron Technology at 11.09% introduces single-stock risk that could disproportionately impact portfolio performance.
Dividend yield may lag broader market averages, making it less suitable for investors primarily seeking income generation.

SPYG

Pros

The low 0.04% expense ratio allows investors to hold this large growth fund efficiently over extended investment horizons.
With $55.0 billion in net assets, it benefits from substantial scale, enhancing liquidity and tightening bid-ask spreads for traders.
A mature inception date of September 25, 2000, provides a long operating history and established reputation in the market.

Considerations

Extreme concentration in NVIDIA at 14.78% creates vulnerability if the semiconductor sector experiences a sustained downturn or correction.
A lower dividend yield of 0.47% limits income potential compared to broader market averages or other equity strategies.
Significant overlap with momentum or S&P 500 funds through shared top-10 holdings reduces diversification benefits within a portfolio.

About SPMO and SPYG

SPMO (SPMO)

The Invesco S&P 500 Momentum ETF offers investors exposure to companies within the S&P 500 index that have demonstrated stronger price performance compared to the broader market in recent times. By focusing on stocks with positive momentum trends, the fund aims to capture opportunities in sectors or companies currently experiencing growth or renewed interest. It holds approximately 102 companies, reflecting a diversified approach within the large-cap category. With a low expense ratio of 0.13%, it provides a cost-effective way to gain this specific type of market exposure. Investors should note that while momentum strategies can perform well during trending markets, they may underperform during market reversals or periods of volatility. Values can rise and fall, and past performance is not a guarantee of future results. This ETF is suitable for those interested in understanding systematic investment approaches, keeping risk tolerance in mind.

SPYG (SPYG)

The SPDR Portfolio S&P 500 Growth ETF offers investors a streamlined way to access large-cap companies within the S&P 500 index that exhibit growth characteristics. With an exceptionally low expense ratio of just 0.04%, this fund prioritises cost efficiency, making it an attractive option for long-term investors seeking broad exposure to growth-oriented sectors. Holding 153 stocks, it provides diversification across key growth leaders while maintaining a manageable portfolio size. Although its dividend yield of 0.47% is modest compared to income-focused funds, the primary aim here is capital appreciation driven by companies expected to outpace average market growth. As with any equity investment, values can rise and fall, and returns are not guaranteed. Investors should consider their own risk tolerance and investment objectives before allocating funds to this ETF, ensuring it aligns with their overall portfolio strategy.

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SPMO vs SPYG

Fund Snapshot