VFMO vs VOOV: 15% overlap

Vanguard U.S. Momentum Factor ETF and Vanguard S&P 500 Value ETF share 15.2% 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
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
15.2%
VFMO expense ratio
0.13%
VOOV expense ratio
0.07%

Top shared holdings

VFMO and VOOV hold 88 of the same securities. The ten contributing most to the overlap figure:

Holdingin VFMOin VOOVΔ
JNJ1.0%0.9%0.2%
INTC0.8%2.3%1.5%
GE0.6%0.6%0.0%
XOM0.5%2.0%1.4%
CASH1.4%0.5%0.9%
CVS0.6%0.5%0.1%
MRK0.4%1.1%0.6%
TSLA0.4%1.6%1.1%
LMT0.6%0.4%0.2%
MS0.4%0.3%0.0%

Where VFMO and VOOV 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.

SectorVFMOVOOVΔ
Industrials24.4%11.4%+13.1pp
Health Care22.3%12.2%+10.1pp
Financials6.3%15.3%9.0pp
Consumer Staples2.4%8.8%6.4pp
Utilities0.0%4.4%4.4pp
Information Technology17.0%20.5%3.5pp
Real Estate0.1%3.3%3.2pp
Consumer Discretionary7.8%10.3%2.5pp

Δ is VFMO minus VOOV, 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
584 positions

75.5% of VFMO by weight, held in no part of VOOV.

Only in VOOV
350 positions

73.4% of VOOV 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

VFMOVOOV
Top 10 holdings10.2%23.8%
Positions held672438
Cost per $10,000 held, per year$13$7

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 VOOV overlap?

VFMO and VOOV overlap 15.2% by portfolio weight — moderate overlap. They share 88 holdings. The figure comes from current issuer holdings files (VFMO as of 2026-03-31, VOOV as of 2026-06-30).

How is the overlap between VFMO and VOOV 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 VOOV 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 VOOV?

That depends on your goals — we state facts, not advice. At 15.2% overlap, each fund still contributes meaningfully distinct exposure.

What does VFMO own that VOOV doesn't?

VFMO holds 672 positions and VOOV holds 438; 584 of VFMO's positions don't appear in VOOV at all, and they are 75.5% of VFMO by weight.

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Related comparisons

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