SCHX vs VTSAX: 87% overlap
Schwab U.S. Large-Cap ETF and Vanguard Total Stock Market Index Admiral share 86.8% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.
Different holding dates. These holdings were published 30 days apart — SCHX as of 2026-05-31, the rest through 2026-06-30. Each fund is compared using its most recent file, so any trading in between shows up as a difference.
You would hold two tickers and get the diversification of 1.1. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
SCHX and VTSAX hold 693 of the same securities. The ten contributing most to the overlap figure:
| Holding | in SCHX | in VTSAX | Δ |
|---|---|---|---|
| NVDA | 7.5% | 6.3% | 1.2% |
| AAPL | 6.7% | 5.8% | 0.8% |
| MSFT | 4.9% | 3.8% | 1.1% |
| AMZN | 3.9% | 3.2% | 0.7% |
| GOOGL | 3.2% | 2.9% | 0.4% |
| AVGO | 3.1% | 2.5% | 0.6% |
| GOOG | 2.6% | 2.3% | 0.3% |
| META | 2.0% | 1.7% | 0.3% |
| TSLA | 1.8% | 1.6% | 0.2% |
| MU | 1.6% | 1.8% | 0.2% |
Where SCHX and VTSAX differ
Sector weights as a share of each fund, ordered by the size of the gap rather than the size of the sector — two funds that overlap heavily still usually diverge somewhere.
| Sector | SCHX | VTSAX | Δ |
|---|---|---|---|
| Unclassified | 3.4% | 0.2% | +3.2pp |
| Industrials | 8.2% | 10.4% | −2.2pp |
| Information Technology | 36.8% | 35.2% | +1.5pp |
| Health Care | 8.1% | 9.5% | −1.4pp |
| Communication Services | 10.1% | 9.1% | +1.0pp |
| Financials | 10.9% | 11.9% | −0.9pp |
| Materials | 1.4% | 2.0% | −0.7pp |
| Cash and/or Derivatives | 0.1% | 0.6% | −0.5pp |
Δ is SCHX minus VTSAX, in percentage points. Sector data is not published by every issuer, so “Unclassified” is a real category rather than a gap in the table.
What each fund holds alone
3.4% of SCHX by weight, held in no part of VTSAX.
10.6% of VTSAX by weight, held in no part of SCHX.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| SCHX | VTSAX | |
|---|---|---|
| Top 10 holdings | 37.3% | 31.9% |
| Positions held | 750 | 3,495 |
| Cost per $10,000 held, per year | $3 | $4 |
Cost is the expense ratio applied to $10,000; it excludes any brokerage commission, bid-ask spread or tax consequence. Figures are facts about the funds, not a suggestion about which to hold.
Frequently asked
How much do SCHX and VTSAX overlap?
SCHX and VTSAX overlap 86.8% by portfolio weight — substantial duplication if you hold both. They share 693 holdings. The figure comes from current issuer holdings files (SCHX as of 2026-05-31, VTSAX as of 2026-06-30).
How is the overlap between SCHX and VTSAX calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If SCHX holds a stock at 6% and VTSAX holds the same stock at 4%, 4% counts as shared. The result is bounded between 0% and 100%, and it is computed after looking through any fund-of-funds to the underlying holdings.
Is it redundant to hold both SCHX and VTSAX?
That depends on your goals — we state facts, not advice. At 86.8% overlap, most of what one fund holds, the other holds too. Expense ratios: SCHX 0.03% versus VTSAX 0.04%.
What does SCHX own that VTSAX doesn't?
SCHX holds 750 positions and VTSAX holds 3,495; 56 of SCHX's positions don't appear in VTSAX at all, and they are 3.4% of SCHX by weight.
You probably hold more than two funds
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Related comparisons
Sources: issuer holdings files, SCHX as of 2026-05-31, VTSAX as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.