VFMO vs VFORX: 16% overlap

Vanguard U.S. Momentum Factor ETF and Vanguard Target Retirement 2040 share 15.8% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.

Different holding dates. These holdings were published about 3 months apart — VFMO, VFORX 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
1.8Effective Funds

You would hold two tickers and get the diversification of 1.8. Two funds that shared nothing would score 2.0; two identical funds score 1.0.

Overlap
15.8%
VFMO expense ratio
0.13%
VFORX expense ratio
0.08%

Top shared holdings

VFMO and VFORX hold 629 of the same securities. The ten contributing most to the overlap figure:

Holdingin VFMOin VFORXΔ
CASH1.4%1.8%0.5%
GOOGL0.9%1.3%0.4%
MU0.8%0.8%0.0%
AVGO0.6%1.1%0.5%
GOOG0.6%1.0%0.4%
AMD1.0%0.6%0.4%
LLY0.5%0.6%0.1%
TSLA0.4%0.7%0.3%
JNJ1.0%0.4%0.7%
AMAT0.9%0.3%0.5%

Where VFMO and VFORX 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.

SectorVFMOVFORXΔ
Health Care22.3%5.8%+16.5pp
Industrials24.4%8.7%+15.7pp
Unclassified0.9%9.7%8.8pp
Treasuries0.0%8.7%8.7pp
Financials6.3%12.7%6.4pp
Energy7.7%2.3%+5.4pp
Information Technology17.0%21.6%4.7pp
Materials6.2%2.5%+3.7pp

Δ is VFMO minus VFORX, 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
43 positions

5.3% of VFMO by weight, held in no part of VFORX.

Only in VFORX
16,053 positions

81.3% of VFORX 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

VFMOVFORX
Top 10 holdings10.2%23.9%
Positions held6726
Cost per $10,000 held, per year$13$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 VFMO and VFORX overlap?

VFMO and VFORX overlap 15.8% by portfolio weight — moderate overlap. They share 629 holdings. The figure comes from current issuer holdings files (VFMO as of 2026-03-31, VFORX as of 2026-03-31).

How is the overlap between VFMO and VFORX 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 VFORX 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 VFORX?

That depends on your goals — we state facts, not advice. At 15.8% overlap, each fund still contributes meaningfully distinct exposure.

What does VFMO own that VFORX doesn't?

VFMO holds 672 positions and VFORX holds 6; 43 of VFMO's positions don't appear in VFORX at all, and they are 5.3% of VFMO by weight.

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Related comparisons

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