VTSAX vs VUG: 52% overlap

Vanguard Total Stock Market Index Admiral and Vanguard Growth ETF share 52.3% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.

Hold both, 50/50
1.5Effective Funds

You would hold two tickers and get the diversification of 1.5. Two funds that shared nothing would score 2.0; two identical funds score 1.0.

Overlap
52.3%
VTSAX expense ratio
0.04%
VUG expense ratio
0.03%

Top shared holdings

VTSAX and VUG hold 147 of the same securities. The ten contributing most to the overlap figure:

Holdingin VTSAXin VUGΔ
NVDA6.3%12.6%6.3%
AAPL5.8%11.6%5.8%
MSFT3.8%7.6%3.8%
AMZN3.2%4.5%1.3%
GOOGL2.9%5.7%2.9%
AVGO2.5%4.3%1.8%
GOOG2.3%4.5%2.3%
META1.7%3.4%1.7%
TSLA1.6%3.3%1.6%
LLY1.4%2.8%1.4%

Where VTSAX and VUG 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.

SectorVTSAXVUGΔ
Information Technology35.2%56.0%20.8pp
Financials11.9%3.9%+7.9pp
Communication Services9.1%15.3%6.3pp
Industrials10.4%5.0%+5.4pp
Health Care9.5%4.7%+4.9pp
Consumer Staples4.3%1.4%+2.9pp
Energy3.1%0.3%+2.8pp
Consumer Discretionary9.2%11.4%2.2pp

Δ is VTSAX minus VUG, 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 VTSAX
3,348 positions

47.4% of VTSAX by weight, held in no part of VUG.

Only in VUG
0 positions

0.0% of VUG by weight, held in no part of VTSAX.

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

Concentration and cost

VTSAXVUG
Top 10 holdings31.9%60.3%
Positions held3,495147
Cost per $10,000 held, per year$4$3

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 VTSAX and VUG overlap?

VTSAX and VUG overlap 52.3% by portfolio weight — substantial duplication if you hold both. They share 147 holdings. The figure comes from current issuer holdings files (VTSAX as of 2026-06-30, VUG as of 2026-06-30).

How is the overlap between VTSAX and VUG calculated?

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

That depends on your goals — we state facts, not advice. At 52.3% overlap, each fund still contributes meaningfully distinct exposure.

What does VTSAX own that VUG doesn't?

VTSAX holds 3,495 positions and VUG holds 147; 3,348 of VTSAX's positions don't appear in VUG at all, and they are 47.4% of VTSAX by weight.

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Sources: issuer holdings files, VTSAX as of 2026-06-30, VUG as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.