VTWNX vs XLC: 2% overlap

Vanguard Target Retirement 2020 and Communication Services Select Sector SPDR Fund share 1.9% 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 4 months apart — VTWNX as of 2026-03-31, the rest through 2026-07-23. 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
1.9%
VTWNX expense ratio
0.08%
XLC expense ratio
0.08%

Top shared holdings

VTWNX and XLC hold 24 of the same securities. The ten contributing most to the overlap figure:

Holdingin VTWNXin XLCΔ
GOOGL0.6%10.1%9.5%
GOOG0.5%8.1%7.7%
META0.3%18.5%18.2%
CASH1.7%0.2%1.5%
NFLX0.1%4.3%4.2%
VZ0.0%4.6%4.5%
DIS0.0%4.3%4.3%
T0.0%4.9%4.8%
CMCSA0.0%4.2%4.2%
TMUS0.0%4.5%4.5%

Where VTWNX and XLC 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.

SectorVTWNXXLCΔ
Communication Services2.3%99.8%97.5pp
Unclassified29.8%0.0%+29.8pp
Treasuries17.1%0.0%+17.1pp
Information Technology10.0%0.0%+10.0pp
Financials8.2%0.0%+8.2pp
MBS Pass-Through7.2%0.0%+7.2pp
Corporate — industrial & other5.5%0.0%+5.5pp
Industrials4.0%0.0%+4.0pp

Δ is VTWNX minus XLC, 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 VTWNX
16,659 positions

96.5% of VTWNX by weight, held in no part of XLC.

Only in XLC
0 positions

0.0% of XLC by weight, held in no part of VTWNX.

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

Concentration and cost

VTWNXXLC
Top 10 holdings44.9%68.6%
Positions held725
Cost per $10,000 held, per year$8$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 VTWNX and XLC overlap?

VTWNX and XLC overlap 1.9% by portfolio weight — largely distinct portfolios. They share 24 holdings. The figure comes from current issuer holdings files (VTWNX as of 2026-03-31, XLC as of 2026-07-23).

How is the overlap between VTWNX and XLC calculated?

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

That depends on your goals — we state facts, not advice. At 1.9% overlap, each fund still contributes meaningfully distinct exposure.

What does VTWNX own that XLC doesn't?

VTWNX holds 7 positions and XLC holds 25; 16,659 of VTWNX's positions don't appear in XLC at all, and they are 96.5% of VTWNX by weight.

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Sources: issuer holdings files, VTWNX as of 2026-03-31, XLC as of 2026-07-23. Weights are fractions of each fund. Diagnostics, not advice.