IVV vs VV: 94% overlap

iShares Core S&P 500 ETF and Vanguard Large-Cap ETF share 93.6% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.

Hold both, 50/50
1.1Effective Funds

You would hold two tickers and get the diversification of 1.1. Two funds that shared nothing would score 2.0; two identical funds score 1.0.

Overlap
93.6%
IVV expense ratio
0.03%
VV expense ratio
0.03%

Top shared holdings

IVV and VV hold 398 of the same securities. The ten contributing most to the overlap figure:

Holdingin IVVin VVΔ
NVDA7.9%7.3%0.7%
AAPL7.4%6.7%0.7%
MSFT4.4%4.4%0.1%
AMZN3.6%3.6%0.1%
GOOGL2.9%3.3%0.4%
AVGO2.9%2.8%0.1%
GOOG2.4%2.6%0.3%
META2.1%2.0%0.1%
MU1.8%2.1%0.3%
LLY1.5%1.6%0.1%

Where IVV and VV 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.

SectorIVVVVΔ
Financials12.3%11.6%+0.8pp
Communication Services9.3%10.0%0.7pp
Information Technology37.5%38.1%0.7pp
Consumer Discretionary8.7%9.1%0.4pp
Energy3.4%3.0%+0.4pp
Real Estate1.9%1.6%+0.3pp
Cash and/or Derivatives0.2%0.4%0.3pp
Materials1.8%1.6%+0.2pp

Δ is IVV minus VV, 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 IVV
107 positions

2.5% of IVV by weight, held in no part of VV.

Only in VV
36 positions

1.7% of VV by weight, held in no part of IVV.

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

Concentration and cost

IVVVV
Top 10 holdings36.8%36.6%
Positions held506434
Cost per $10,000 held, per year$3$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 IVV and VV overlap?

IVV and VV overlap 93.6% by portfolio weight — they are effectively the same fund. They share 398 holdings. The figure comes from current issuer holdings files (IVV as of 2026-07-23, VV as of 2026-06-30).

How is the overlap between IVV and VV calculated?

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

That depends on your goals — we state facts, not advice. At 93.6% overlap, most of what one fund holds, the other holds too. Expense ratios: IVV 0.03% versus VV 0.03%.

What does IVV own that VV doesn't?

IVV holds 506 positions and VV holds 434; 107 of IVV's positions don't appear in VV at all, and they are 2.5% of IVV by weight.

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Related comparisons

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