How is a total market ETF different from an S&P 500 ETF?

A total market ETF (ITOT, VTI, SCHB) holds large-cap, mid-cap, small-cap, and micro-cap US stocks — 2,500-4,000+ companies. An S&P 500 ETF (SPY, VOO, IVV) holds only the 500 largest US companies. In practice, the S&P 500 companies represent approximately 80-85% of total US market capitalization — so total market and S&P 500 ETFs have very similar performance. Adding mid and small caps (the other 15-20%) provides modest additional diversification and historically a small but measurable size factor return. Over 20+ year periods, total market ETFs have a slight edge from small-cap inclusion, but in any given year the S&P 500 may lead or lag.

Should I buy ITOT or VTI (Vanguard)?

Functionally identical — performance differences are single-digit basis points over decades. Use whichever your primary brokerage offers with no transaction costs: VTI at Vanguard, SCHB at Schwab, ITOT or FSKAX at Fidelity. If you have accounts at multiple brokerages, using the same ETF across all accounts (accepting occasional small spreads) beats splitting holdings across VTI, ITOT, and SCHB for no diversification benefit. If you're starting fresh with no brokerage preference, Vanguard and VTI remain the cultural standard for passive investing, but any of the three is an equally excellent choice.

How do total market ETFs handle small-cap exposure?

Despite the name 'total market,' small-cap stocks have minimal weight in ITOT and SCHB because they are market-cap weighted. A company with $500M market cap has 1/2000th the index weight of a company with $1 trillion market cap. ITOT holds 3,500+ stocks, but the bottom 2,000 represent perhaps 5-7% of total portfolio weight — barely affecting performance. For meaningful small-cap factor exposure, dedicated small-cap ETFs (VB, IJR, AVUV) are needed. Total market ETFs should not be relied upon for small-cap diversification despite including small-cap companies.

brimindinvest.com / compare / itot-vs-schbLIVE

ITOT

iShares Core S&P Total US Stock Market ETF · ETF / Total US Stock Market

$163.85

+2.73% this month

VERSUS

⟷

COMPARE

SCHB

Schwab US Broad Market ETF · ETF / Total US Stock Market

$28.97

+2.77% this month

Scoreboard verdict

Across expense ratio, momentum, yield, fund size, risk

ITOT

3

SCHB

1

ITOT LEADS 3/5

Comparison scoreboard

ITOT LEADS 3/5

Exp. Ratio

ITOT 0.03%

SCHB 0.03%

1Y Return

ITOT ✓+27.23%

SCHB +27.17%

Div. Yield

ITOT 0.98%

SCHB ✓1.01%

AUM

ITOT ✓$93.42B

SCHB $43.31B

Beta

ITOT ✓1.03

SCHB 1.03

Metrics last refreshed: 6/20/2026

Quick take

ITOT vs SCHB Stock Comparison: AI Score, Valuation, Performance and Upside

ITOT and SCHB are functionally identical total US stock market ETFs — both 0.03%, both holding 2,500-3,500+ US equities, both dominated by the same mega-cap technology stocks in their top holdings. Performance differences are measured in single-digit basis points over decades. The choice between them is entirely a logistics and brokerage ecosystem decision, not an investment decision. Use SCHB at Schwab, ITOT at Fidelity or interactive brokers — or just buy VTI at Vanguard.

ITOT vs SCHB — iShares Core S&P Total US Stock Market ETF (3,500+ US stocks via S&P Total Market Index at 0.03% with BlackRock's institutional management) versus Schwab US Broad Market ETF (2,500+ US stocks via Dow Jones US Broad Market Index at 0.03% with commission-free trading at Schwab).

Live analysis · updated 6/20/2026

ITOT holds the edge across 3 of 5 key metrics in this comparison. ITOT has delivered stronger 1-year price return (+27.23% vs +27.17% for SCHB).

Normalized 1Y performance

ITOT

SCHB

Recent returns

ITOT

SCHB

Who should consider this stock?

ITOT may suit investors who:

→hold accounts at Fidelity, interactive brokers, or other non-Schwab platforms where ITOT trades commission-free or at negligible cost
→prefer iShares/BlackRock's institutional ETF management and S&P Total Market index methodology
→want the broadest possible US stock coverage (3,500 vs SCHB's 2,500) including more micro-cap inclusion at the extreme small end
→already hold iShares ETFs across their portfolio (IVV for S&P 500, IJR for small cap) and want provider consistency

SCHB may suit investors who:

→hold accounts at Schwab where SCHB is the native commission-free total market ETF and integrates well with Schwab's ecosystem
→use Schwab Intelligent Portfolios or robo-advisory that defaults to Schwab ETFs for portfolio allocation
→are equally indifferent between 2,500 and 3,500 stock coverage — micro-cap inclusion differences between SCHB and ITOT have near-zero long-term performance impact
→are Schwab customers who want to simplify their ETF provider relationships (SCHB + SCHD + SCHI = complete Schwab ETF portfolio)

Performance & AI score

Metric	ITOT	SCHB
ETF score	90.0	88.0
Latest close	$163.85	$28.97
1M return	+2.73%	+2.77%
6M return	+12.59%	+12.59%
1Y return	+27.23%	+27.17%

$10,000 invested — hypothetical growth (dividends reinvested)

How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?

Period	ITOT	SCHB
1Y ago	$12.86K (+28.6%) started 2025-06-18	$12.87K (+28.7%) started 2025-06-18
5Y ago	$19.67K (+96.7%) started 2021-06-18	$19.72K (+97.2%) started 2021-06-18
10Y ago	$48.51K (+385.1%) started 2016-06-20	$48.57K (+385.7%) started 2016-06-20

Hypothetical — past performance does not guarantee future results.

Fund characteristics

Metric	ITOT	SCHB
Expense ratio	0.03%	0.03%
Total assets (AUM)	$93.42B	$43.31B
Dividend yield	0.98%	1.01%
Trailing P/E	26.41	26.51
Beta	1.03	1.03
52-week change	27.23%	27.17%

Risk & fund metrics

Metric	ITOT	SCHB
1Y return	+27.23%	+27.17%
6M return	+12.59%	+12.59%
1M return	+2.73%	+2.77%
1Y Sharpe ratio	1.61	1.61
Beta	1.03	1.03
Dividend yield	0.98%	1.01%
5Y CAGR	+12.87%	+12.93%

Drawdown & downside risk

Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.

1Y risk snapshot

ITOT max drawdown8.90%

SCHB max drawdown8.91%

ITOT max wkly drop3.71%

SCHB max wkly drop3.71%

5Y risk snapshot

ITOT max drawdown25.36%

SCHB max drawdown25.41%

ITOT max wkly drop11.69%

SCHB max wkly drop11.62%

10Y risk snapshot

ITOT max drawdown35.00%

SCHB max drawdown35.27%

ITOT max wkly drop18.61%

SCHB max wkly drop18.80%

Performance metrics by period

Period	Metric	ITOT	SCHB
1Y	Growth	+27.23%	+27.17%
	CAGR	+27.25%	+27.19%
	Sharpe ratio	1.61	1.61
	Max drawdown	8.90%	8.91%
	Max daily drop	2.73%	2.70%
	Max wkly drop	3.71%	3.71%
5Y	Growth	+83.19%	+83.66%
	CAGR	+12.87%	+12.93%
	Sharpe ratio	0.53	0.53
	Max drawdown	25.36%	25.41%
	Max daily drop	5.87%	5.90%
	Max wkly drop	11.69%	11.62%
10Y	Growth	+305.67%	+307.09%
	CAGR	+15.04%	+15.08%
	Sharpe ratio	0.61	0.61
	Max drawdown	35.00%	35.27%
	Max daily drop	11.57%	11.99%
	Max wkly drop	18.61%	18.80%

Fund overview

Category	ITOT	SCHB
Fund name	iShares Core S&P Total U.S. Stock Market ETF	Schwab U.S. Broad Market ETF
Type	ETF	ETF
Expense ratio	0.03%	0.03%
Total assets (AUM)	$93.42B	$43.31B
Dividend yield	0.98%	1.01%

ITOT strengths

→3,500+ stock total US market exposure at 0.03%: ITOT provides near-complete US equity market coverage at one of the cheapest expense ratios available
→iShares/BlackRock institutional management: world's largest ETF provider with highly optimized securities lending, tax lot management, and index tracking
→S&P Total Market Index methodology: established, transparent, rules-based index construction with clear eligibility criteria

SCHB strengths

→0.03% expense ratio matching ITOT: equally cheap as ITOT and VTI — near-zero cost for total US market exposure
→Commission-free at Schwab brokerage: SCHB trades commission-free on Schwab's platform — important for regular purchasers including dollar-cost averaging investors
→Dow Jones US Broad Market Index: transparent, rules-based methodology with 2,500+ US stocks representing 99%+ of total US market capitalization by float-weight

Risks to watch — ITOT

→Near-identical to VTI and SCHB: performance differences between ITOT, VTI, and SCHB are measured in basis points over long periods — fund family preference and brokerage commission structure matter more than performance differences
→Large-cap dominance: despite 3,500+ holdings, the top 50 mega-cap stocks represent 45%+ of ITOT's weight — small-cap diversification is real but small-cap performance impact is modest
→0.03% still slightly above SCHB: Schwab's 0.03% matches ITOT — no meaningful fee advantage between the two, but VTI at 0.03% and Fidelity ZERO ETFs at 0% provide direct competition

Risks to watch — SCHB

→Fewer holdings (2,500 vs ITOT's 3,500+): SCHB excludes more micro-cap stocks than ITOT — slightly less true total market coverage at the extreme small-cap end (minimal performance impact in practice)
→Performance essentially identical to ITOT and VTI over any multi-year period: micro-cap index methodology differences are immaterial to long-term total return
→No meaningful disadvantage vs ITOT — choice between SCHB and ITOT is purely logistical (brokerage preference, existing account structure)

Frequently asked questions

Over any meaningful long period (1+ years), performance differences between ITOT, VTI, and SCHB are essentially zero — typically under 5 basis points (0.05%) annually. All three track slightly different total market indexes (S&P Total Market, CRSP US Total Market, and Dow Jones US Broad Stock Market respectively), but all indexes include 95%+ of total US market capitalization by the same weight mechanisms. Any given quarter one may slightly outperform by 1-3 basis points based on index reconstitution timing — this is random noise, not systematic advantage. Pick one and stay consistent.

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ITOT

+2.8%BUY

SCHB

+1.1%HOLD

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