VFMO vs VWO: 1% overlap

Vanguard U.S. Momentum Factor ETF and Vanguard FTSE Emerging Markets ETF share 1.5% 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 — VFMO 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.

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
1.5%
VFMO expense ratio
0.13%
VWO expense ratio
0.06%

Top shared holdings

VFMO and VWO hold 9 of the same securities. The ten contributing most to the overlap figure:

Holdingin VFMOin VWOΔ
CASH1.4%4.2%2.8%
HAL0.2%0.1%0.1%
AMR0.1%0.0%0.1%
EL0.0%0.0%0.0%
CCL0.0%0.0%0.0%
M0.2%0.0%0.2%
HCC0.1%0.0%0.1%
MEG0.0%0.0%0.0%
CTOS0.0%0.0%0.0%

Where VFMO 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.

SectorVFMOVWOΔ
Health Care22.3%2.8%+19.5pp
Industrials24.4%5.9%+18.6pp
Information Technology17.0%31.6%14.6pp
Financials6.3%17.2%10.9pp
Unclassified0.9%9.2%8.4pp
Energy7.7%3.3%+4.4pp
Cash and/or Derivatives1.4%4.2%2.8pp
Utilities0.0%2.2%2.1pp

Δ is VFMO 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

Only in VFMO
663 positions

98.0% of VFMO by weight, held in no part of VWO.

Only in VWO
4,994 positions

95.7% of VWO by weight, held in no part of VFMO.

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

Concentration and cost

VFMOVWO
Top 10 holdings10.2%30.3%
Positions held6725,003
Cost per $10,000 held, per year$13$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 VFMO and VWO overlap?

VFMO and VWO overlap 1.5% by portfolio weight — largely distinct portfolios. They share 9 holdings. The figure comes from current issuer holdings files (VFMO as of 2026-03-31, VWO as of 2026-06-30).

How is the overlap between VFMO and VWO calculated?

As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If VFMO 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 VFMO and VWO?

That depends on your goals — we state facts, not advice. At 1.5% overlap, each fund still contributes meaningfully distinct exposure.

What does VFMO own that VWO doesn't?

VFMO holds 672 positions and VWO holds 5,003; 663 of VFMO's positions don't appear in VWO at all, and they are 98.0% of VFMO by weight.

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Related comparisons

Sources: issuer holdings files, VFMO as of 2026-03-31, VWO as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.