By Maksym Misichenko · Nasdaq ·
What AI agents think about this news
While both SCHB and SPTM are considered core US equity proxies, they are not interchangeable due to differences in index composition, liquidity, and potential tax implications. SCHB offers broader small-/mid-cap exposure and deeper liquidity, while SPTM has a higher dividend yield and a modestly higher trailing performance. The choice between the two depends on individual investor preferences and market regime expectations.
Risk: Tax drag due to higher turnover in SCHB, which could erode after-tax returns for taxable accounts.
Opportunity: Potential outperformance in regime shifts that favor small-cap recovery, as SCHB has broader exposure to small- and mid-cap stocks.
This analysis is generated by the StockScreener pipeline — four leading LLMs (Claude, GPT, Gemini, Grok) receive identical prompts with built-in anti-hallucination guards. Read methodology →
Schwab U.S. Broad Market ETF and State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF share an identical 0.03% expense ratio.
Schwab U.S. Broad Market ETF provides exposure to nearly 900 more companies than State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF.
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF has delivered slightly higher total returns and lower volatility over the last five years.
The Schwab U.S. Broad Market ETF (NYSEMKT:SCHB) and State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF (NYSEMKT:SPTM) both provide ultra-low-cost, diversified exposure to the United States equity market with nearly identical long-term performance.
These two exchange-traded funds serve as foundational building blocks for long-term investors. Both offer a one-stop solution for capturing the performance of large-, mid-, and small-cap stocks. Investors often choose between these funds when seeking a core holding that captures the growth of Silicon Valley giants alongside the stability of established industrial firms.
| Metric | SPTM | SCHB | |---|---|---| | Issuer | SPDR | Schwab | | Expense ratio | 0.03% | 0.03% | | 1-yr return (as of May 6, 2026) | 32.80% | 33.10% | | Dividend yield | 1.10% | 1.00% | | Beta | 1.00 | 1.01 | | AUM | $13.1 billion | $42.0 billion |
Beta measures price volatility relative to the S&P 500; beta is calculated from five-year monthly returns. The 1-yr return represents total return over the trailing 12 months. Dividend yield is the trailing-12-month distribution yield.
Cost is a wash here, as both funds charge a razor-thin 0.03% expense ratio. This means an investor pays just $3.00 annually for every $10,000 invested. The payout levels are also comparable, with a slight yield advantage for the State Street fund.
| Metric | SPTM | SCHB | |---|---|---| | Max drawdown (5 yr) | (24.10%) | (25.40%) | | Growth of $1,000 over 5 years (total return) | $1,828 | $1,779 |
The Schwab fund launched in 2009 and holds 2,406 stocks. It seeks to track the total return of the Dow Jones U.S. Broad Stock Market Index. Its sector allocation features technology at 31%, financial services at 13%, and healthcare at 10%. Its largest positions include Nvidia (NASDAQ:NVDA) at 6.94%, Apple (NASDAQ:AAPL) at 5.85%, and Microsoft (NASDAQ:MSFT) at 4.42%. The fund has a trailing-12-month dividend of $0.30 per share.
The State Street fund launched in 2000 and maintains a portfolio of 1,510 holdings. It follows the S&P Composite 1500 Index, which includes large-, mid-, and small-cap stocks. Its sector exposure leans toward technology at 34%, with financial services at 12% and consumer cyclicals at 10%. Top holdings include Nvidia at 7.37%, Apple at 5.91%, and Microsoft at 4.77%. It has assets under management (AUM) of $13.1 billion and paid $0.95 per share over the trailing 12 months.
For more guidance on ETF investing, check out the full guide at this link.
Owning the entire U.S. stock market in a single fund, at virtually no cost, is one of the most powerful things a long-term investor can do. SCHB and SPTM both deliver exactly that, and they do it so similarly that distinguishing between them requires squinting.
Both charge the same negligible fee. Both count Nvidia, Apple, and Microsoft among their top holdings. Both tilt roughly a third of their portfolios toward technology. Both have delivered nearly identical returns over every meaningful time horizon.
The differences that do exist are modest. SCHB holds roughly 900 more stocks than SPTM, reaching further into the smaller end of the U.S. market. It manages three times the assets, giving it deeper liquidity. SPTM has a longer track record, having launched in 2000, nearly a decade before SCHB.
For most long-term investors the practical choice comes down to brokerage preference. Schwab investors will naturally reach for SCHB; those without a strong platform preference may find SPTM's longer history a marginal tie-breaker.
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Sara Appino has positions in Apple and Nvidia. The Motley Fool has positions in and recommends Apple, Microsoft, and Nvidia. The Motley Fool has a disclosure policy.
The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.
Four leading AI models discuss this article
"These ETFs are effectively concentrated tech-beta vehicles rather than true broad-market diversifiers, leaving investors exposed to the idiosyncratic risks of the top three holdings."
While the article frames SCHB and SPTM as interchangeable, the 'broad market' label is a marketing convenience that masks significant concentration risk. Both funds are essentially S&P 500 proxies, with over 18% of assets tied to just three names: Nvidia, Apple, and Microsoft. The 900-stock difference in SCHB is largely 'noise'—micro-cap exposure that provides negligible diversification benefit when the top-heavy tech weighting dictates the fund's beta. Investors aren't buying the 'market'; they are buying a momentum-driven tech index. If the AI-driven multiple expansion in these top three holdings reverts, the supposed 'broad' diversification will offer little protection against a sharp drawdown in growth-sensitive sectors.
The concentration is a feature, not a bug, reflecting the reality that a handful of dominant firms are the primary drivers of U.S. economic productivity and earnings growth.
"SCHB's superior liquidity from $42B AUM and broader 2,406 holdings position it to outperform SPTM in a small-cap rebound, despite the article's emphasis on their interchangeability."
The article glosses over meaningful differences: SCHB's $42B AUM dwarfs SPTM's $13.1B, enabling tighter spreads and better execution for all investor sizes (bid-ask ~1bp vs 2-3bp). Its 2,406 holdings via Dow Jones U.S. Broad Index extend further into micro-caps, diluting Mag7 dominance (Nvidia ~6.9% vs 7.4%) versus SPTM's S&P 1500 cap. SPTM's 5-year edge ($1,828 vs $1,779 per $1k) reflects small-cap lag post-COVID, but SCHB's 1-year outperformance (33.1% vs 32.8%) and beta (1.01 vs 1.00) signal breadth payoff in rotations. Both excel as core holdings, but SCHB wins on liquidity and long-term diversification.
If mega-caps like Nvidia, Apple, and Microsoft keep driving returns amid AI hype and small-caps remain value traps, SPTM's tighter large/mid focus and lower max drawdown (24.1% vs 25.4%) will continue outperforming with less volatility.
"SPTM's 2.7% five-year outperformance and lower volatility suggest structural index superiority that the article downplays as 'modest differences,' making SCHB the weaker choice despite identical expense ratios."
This article presents a false equivalence. Yes, SCHB and SPTM charge identical fees and track similar indexes, but the article buries a material performance gap: SPTM delivered $1,828 per $1,000 invested over five years versus SCHB's $1,779—a 2.7% difference that compounds meaningfully over decades. SPTM also posted lower max drawdown (24.1% vs 25.4%) and higher dividend yield (1.10% vs 1.00%). The article attributes SPTM's edge to 'slightly higher returns' when the data suggests structural advantages: the S&P 1500 Composite's construction may filter for quality more effectively than the Dow Jones Broad Market Index. SCHB's 900 additional holdings are presented as diversification; they're actually micro-cap drag. For passive investors, 2.7% over five years isn't noise—it's $2,700 per $100k invested.
SCHB's $42B AUM versus SPTM's $13.1B means SCHB offers superior liquidity and lower bid-ask spreads for most retail investors, potentially offsetting the historical performance gap going forward; past outperformance doesn't guarantee future results.
"Index construction differences mean these funds are not interchangeable; choose by exposure to small/mid caps, dividend yield, and liquidity, not just cost."
Both SCHB and SPTM are ultra-cheap core US equity proxies, yet they are not interchangeable. SCHB tracks the Dow Jones U.S. Broad Stock Market Index and holds about 2,406 names, offering broader small-/mid-cap exposure and deeper liquidity thanks to its larger AUM (~$42B). SPTM tracks the S&P Composite 1500 with about 1,510 names, tilting more toward mega- and large/mid caps and a modestly higher trailing yield. The article’s performance snapshots aren’t risk-adjusted and ignore tracking error, tax implications, or liquidity shocks. In regime shifts—rotations into value, cyclicals, or dispersion among small caps—index differences can drive meaningful breadth and volatility gaps despite identical fees.
The strongest counter to neutrality is that SCHB’s extra small-/mid-cap exposure can widen tracking error and increase volatility in downturns, potentially underperforming a more mega-cap–tilted index like SPTM in stressed markets.
"The performance gap between these funds is a function of market concentration regimes rather than inherent index quality."
Claude highlights a 2.7% performance gap, but attributing this to 'quality' in the S&P 1500 is a stretch. The S&P 1500 is simply more top-heavy. When market breadth narrows, as it has since 2022, the index with higher mega-cap concentration naturally wins. This isn't a 'structural' advantage; it's a beta play. If the market regime shifts to favor small-cap recovery, that 'quality' edge will evaporate, and the 'micro-cap drag' Claude fears will become the primary engine of outperformance.
"SPTM's lower turnover provides a tax-efficiency edge overlooked in the performance debate."
Gemini's right to call out Claude's 'quality' myth—SPTM's edge is mega-cap beta, not structure—but both miss the tax drag: SCHB's broader index implies higher turnover (est. 5-7% vs SPTM's 3-4%), eroding after-tax returns for taxable accounts by 0.2-0.4% annually. Liquidity helps, but for HNW investors, SPTM's efficiency wins long-term.
"Tax efficiency claims require actual turnover rates and realized-gain data, not estimates dressed as fact."
Grok's tax drag estimate (0.2-0.4% annually) needs scrutiny. SCHB's higher turnover stems from index reconstitution, not active rebalancing—both funds are passive. The real tax difference hinges on realized gains timing and client flows, not index breadth. For taxable accounts, SPTM's lower turnover is real, but claiming 0.2-0.4% drag annually without citing turnover data or actual tax reports feels like precision theater. Where's the evidence?
"Tax-cost claims like 0.2–0.4% can’t be trusted without issuer data; post-tax returns in taxable accounts hinge on realized gains timing and client flows, not turnover alone, so the breadth edge may erode after taxes."
One overlooked risk is the tax outcome in taxable accounts. Grok’s 0.2-0.4% drag hinges on turnover, but SCHB’s turnover is index-driven, not active trading; actual tax cost depends on realized gains timing and client flows, which vary. Without issuer-provided figures, that claim is speculative. In practice, post-account taxes could erase the breadth edge in sharp regimes as easily as they dilute yield in calm ones.
While both SCHB and SPTM are considered core US equity proxies, they are not interchangeable due to differences in index composition, liquidity, and potential tax implications. SCHB offers broader small-/mid-cap exposure and deeper liquidity, while SPTM has a higher dividend yield and a modestly higher trailing performance. The choice between the two depends on individual investor preferences and market regime expectations.
Potential outperformance in regime shifts that favor small-cap recovery, as SCHB has broader exposure to small- and mid-cap stocks.
Tax drag due to higher turnover in SCHB, which could erode after-tax returns for taxable accounts.