VTWNX vs VWO: 6% overlap
Vanguard Target Retirement 2020 and Vanguard FTSE Emerging Markets ETF share 5.5% 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 3 months apart — VTWNX as of 2026-03-31, 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 1.9. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
VTWNX and VWO hold 5,003 of the same securities. The ten contributing most to the overlap figure:
| Holding | in VTWNX | in VWO | Δ |
|---|---|---|---|
| CASH | 1.7% | 4.2% | 2.5% |
| 2330 | 0.6% | 15.7% | 15.1% |
| 700 | 0.1% | 2.8% | 2.7% |
| 9988 | 0.1% | 1.8% | 1.7% |
| 2454 | 0.1% | 1.6% | 1.6% |
| 2308 | 0.0% | 1.0% | 1.0% |
| 7203 | 0.1% | 0.0% | 0.0% |
| 2317 | 0.0% | 0.8% | 0.8% |
| HDFCBANK | 0.0% | 0.8% | 0.8% |
| RELIANCE | 0.0% | 0.8% | 0.7% |
Where VTWNX and VWO 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 | VTWNX | VWO | Δ |
|---|---|---|---|
| Information Technology | 10.0% | 31.6% | −21.6pp |
| Unclassified | 29.7% | 9.3% | +20.4pp |
| Treasuries | 17.1% | 0.0% | +17.1pp |
| Financials | 8.2% | 17.2% | −9.0pp |
| MBS Pass-Through | 7.2% | 0.0% | +7.2pp |
| Corporate — industrial & other | 5.5% | 0.0% | +5.5pp |
| Consumer Discretionary | 2.9% | 7.9% | −5.0pp |
| Materials | 1.1% | 5.7% | −4.5pp |
Δ is VTWNX minus VWO, 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
93.6% of VTWNX by weight, held in no part of VWO.
0.0% of VWO by weight, held in no part of VTWNX.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| VTWNX | VWO | |
|---|---|---|
| Top 10 holdings | 44.9% | 30.3% |
| Positions held | 7 | 5,003 |
| Cost per $10,000 held, per year | $8 | $6 |
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 VTWNX and VWO overlap?
VTWNX and VWO overlap 5.5% by portfolio weight — largely distinct portfolios. They share 5,003 holdings. The figure comes from current issuer holdings files (VTWNX as of 2026-03-31, VWO as of 2026-06-30).
How is the overlap between VTWNX and VWO calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If VTWNX holds a stock at 6% and VWO 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 VTWNX and VWO?
That depends on your goals — we state facts, not advice. At 5.5% overlap, each fund still contributes meaningfully distinct exposure.
What does VTWNX own that VWO doesn't?
VTWNX holds 7 positions and VWO holds 5,003; 11,934 of VTWNX's positions don't appear in VWO at all, and they are 93.6% of VTWNX by weight.
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Related comparisons
Sources: issuer holdings files, VTWNX as of 2026-03-31, VWO as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.