VTWAX vs XLU: 2% overlap

Vanguard Total World Stock Index Admiral and Utilities Select Sector SPDR Fund share 1.6% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.

Hold both, 50/50
2.0Effective Funds

You would hold two tickers and get the diversification of 2.0. Two funds that shared nothing would score 2.0; two identical funds score 1.0.

Overlap
1.6%
VTWAX expense ratio
0.09%
XLU expense ratio
0.08%

Top shared holdings

VTWAX and XLU hold 32 of the same securities. The ten contributing most to the overlap figure:

Holdingin VTWAXin XLUΔ
CASH1.0%0.3%0.6%
NEE0.2%12.9%12.8%
DTE0.1%2.1%2.0%
SO0.1%7.5%7.4%
DUK0.1%7.0%6.9%
CEG0.1%6.1%6.0%
AEP0.1%5.1%5.0%
SRE0.1%4.2%4.2%
D0.1%4.3%4.3%
PPL0.0%1.9%1.8%

Where VTWAX and XLU 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.

SectorVTWAXXLUΔ
Utilities2.5%99.7%97.2pp
Information Technology30.1%0.0%+30.1pp
Financials14.9%0.0%+14.9pp
Industrials11.5%0.0%+11.5pp
Consumer Discretionary8.6%0.0%+8.6pp
Health Care7.7%0.0%+7.7pp
Communication Services7.0%0.0%+7.0pp
Consumer Staples4.6%0.0%+4.6pp

Δ is VTWAX minus XLU, 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

Only in VTWAX
9,568 positions

97.7% of VTWAX by weight, held in no part of XLU.

Only in XLU
0 positions

0.0% of XLU by weight, held in no part of VTWAX.

A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.

Concentration and cost

VTWAXXLU
Top 10 holdings20.5%58.0%
Positions held9,60033
Cost per $10,000 held, per year$9$8

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 VTWAX and XLU overlap?

VTWAX and XLU overlap 1.6% by portfolio weight — largely distinct portfolios. They share 32 holdings. The figure comes from current issuer holdings files (VTWAX as of 2026-06-30, XLU as of 2026-07-23).

How is the overlap between VTWAX and XLU calculated?

As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If VTWAX holds a stock at 6% and XLU 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 VTWAX and XLU?

That depends on your goals — we state facts, not advice. At 1.6% overlap, each fund still contributes meaningfully distinct exposure.

What does VTWAX own that XLU doesn't?

VTWAX holds 9,600 positions and XLU holds 33; 9,568 of VTWAX's positions don't appear in XLU at all, and they are 97.7% of VTWAX by weight.

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Sources: issuer holdings files, VTWAX as of 2026-06-30, XLU as of 2026-07-23. Weights are fractions of each fund. Diagnostics, not advice.