AWSHX vs VTWAX: 32% overlap
American Funds Washington Mutual A and Vanguard Total World Stock Index Admiral share 32.0% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.
Different holding dates. These holdings were published about 2 months apart — AWSHX as of 2026-04-30, 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 1.7. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
AWSHX and VTWAX hold 179 of the same securities. The ten contributing most to the overlap figure:
| Holding | in AWSHX | in VTWAX | Δ |
|---|---|---|---|
| AAPL | 2.4% | 3.6% | 1.2% |
| MSFT | 4.6% | 2.4% | 2.3% |
| GOOGL | 2.0% | 1.8% | 0.2% |
| NVDA | 1.6% | 4.0% | 2.4% |
| AVGO | 7.5% | 1.5% | 6.0% |
| GOOG | 1.5% | 1.4% | 0.1% |
| META | 1.4% | 1.1% | 0.3% |
| LLY | 1.6% | 0.8% | 0.8% |
| JPM | 1.4% | 0.7% | 0.7% |
| AMZN | 0.7% | 2.0% | 1.3% |
Where AWSHX and VTWAX 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 | AWSHX | VTWAX | Δ |
|---|---|---|---|
| Information Technology | 21.9% | 30.1% | −8.2pp |
| Unclassified | 7.9% | 3.8% | +4.1pp |
| Health Care | 10.7% | 7.7% | +3.0pp |
| Consumer Staples | 7.0% | 4.6% | +2.4pp |
| Consumer Discretionary | 6.9% | 8.6% | −1.8pp |
| Materials | 2.0% | 3.3% | −1.3pp |
| Real Estate | 3.3% | 2.1% | +1.3pp |
| Utilities | 3.8% | 2.5% | +1.3pp |
Δ is AWSHX minus VTWAX, 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
6.4% of AWSHX by weight, held in no part of VTWAX.
59.5% of VTWAX by weight, held in no part of AWSHX.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| AWSHX | VTWAX | |
|---|---|---|
| Top 10 holdings | 29.9% | 20.5% |
| Positions held | 197 | 9,600 |
| Cost per $10,000 held, per year | $57 | $9 |
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 AWSHX and VTWAX overlap?
AWSHX and VTWAX overlap 32.0% by portfolio weight — moderate overlap. They share 179 holdings. The figure comes from current issuer holdings files (AWSHX as of 2026-04-30, VTWAX as of 2026-06-30).
How is the overlap between AWSHX and VTWAX calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If AWSHX holds a stock at 6% and VTWAX 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 AWSHX and VTWAX?
That depends on your goals — we state facts, not advice. At 32.0% overlap, each fund still contributes meaningfully distinct exposure.
What does AWSHX own that VTWAX doesn't?
AWSHX holds 197 positions and VTWAX holds 9,600; 18 of AWSHX's positions don't appear in VTWAX at all, and they are 6.4% of AWSHX by weight.
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Related comparisons
Sources: issuer holdings files, AWSHX as of 2026-04-30, VTWAX as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.