VTHRX vs XLB: 1% overlap

Vanguard Target Retirement 2030 and Materials Select Sector SPDR Fund share 0.7% 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 — VTHRX 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
0.7%
VTHRX expense ratio
0.08%
XLB expense ratio
0.08%

Top shared holdings

VTHRX and XLB hold 26 of the same securities. The ten contributing most to the overlap figure:

Holdingin VTHRXin XLBΔ
LIN0.1%13.9%13.8%
CASH1.9%0.1%1.8%
NEM0.0%6.0%5.9%
FCX0.0%5.4%5.4%
SHW0.0%4.5%4.5%
CRH0.0%4.3%4.3%
ECL0.0%4.5%4.5%
APD0.0%4.7%4.7%
CTVA0.0%5.3%5.2%
NUE0.0%4.2%4.2%

Where VTHRX and XLB 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.

SectorVTHRXXLBΔ
Materials2.0%99.8%97.9pp
Information Technology17.3%0.0%+17.3pp
Treasuries13.6%0.0%+13.6pp
Unclassified13.3%0.0%+13.3pp
Financials11.3%0.0%+11.3pp
Industrials6.9%0.0%+6.9pp
MBS Pass-Through5.7%0.0%+5.7pp
Consumer Discretionary5.0%0.0%+5.0pp

Δ is VTHRX minus XLB, 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 VTHRX
16,657 positions

97.4% of VTHRX by weight, held in no part of XLB.

Only in XLB
1 positions

2.7% of XLB by weight, held in no part of VTHRX.

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

Concentration and cost

VTHRXXLB
Top 10 holdings28.9%57.4%
Positions held728
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 VTHRX and XLB overlap?

VTHRX and XLB overlap 0.7% by portfolio weight — largely distinct portfolios. They share 26 holdings. The figure comes from current issuer holdings files (VTHRX as of 2026-03-31, XLB as of 2026-07-23).

How is the overlap between VTHRX and XLB calculated?

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

That depends on your goals — we state facts, not advice. At 0.7% overlap, each fund still contributes meaningfully distinct exposure.

What does VTHRX own that XLB doesn't?

VTHRX holds 7 positions and XLB holds 28; 16,657 of VTHRX's positions don't appear in XLB at all, and they are 97.4% of VTHRX by weight.

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Related comparisons

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