IJH vs VTTHX: 2% overlap

iShares Core S&P Mid-Cap ETF and Vanguard Target Retirement 2035 share 2.5% 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 — VTTHX 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
2.5%
IJH expense ratio
0.05%
VTTHX expense ratio
0.08%

Top shared holdings

IJH and VTTHX hold 401 of the same securities. The ten contributing most to the overlap figure:

Holdingin IJHin VTTHXΔ
ALV0.2%0.1%0.1%
CASH0.1%1.9%1.8%
CFR0.3%0.1%0.2%
AAL0.3%0.0%0.2%
CSL0.4%0.0%0.3%
G0.1%0.0%0.1%
ORA0.2%0.0%0.2%
NXT0.4%0.0%0.4%
RBA0.6%0.0%0.5%
MTN0.1%0.0%0.1%

Where IJH and VTTHX 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.

SectorIJHVTTHXΔ
Industrials25.5%7.8%+17.7pp
Unclassified0.0%11.2%11.2pp
Treasuries0.0%11.2%11.2pp
Information Technology13.9%19.5%5.6pp
Real Estate6.9%1.4%+5.5pp
Health Care10.0%5.2%+4.8pp
MBS Pass-Through0.0%4.7%4.7pp
Consumer Discretionary10.3%5.7%+4.6pp

Δ is IJH minus VTTHX, 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 IJH
2 positions

0.4% of IJH by weight, held in no part of VTTHX.

Only in VTTHX
16,281 positions

95.6% of VTTHX by weight, held in no part of IJH.

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

Concentration and cost

IJHVTTHX
Top 10 holdings7.6%26.4%
Positions held4046
Cost per $10,000 held, per year$5$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 IJH and VTTHX overlap?

IJH and VTTHX overlap 2.5% by portfolio weight — largely distinct portfolios. They share 401 holdings. The figure comes from current issuer holdings files (IJH as of 2026-07-23, VTTHX as of 2026-03-31).

How is the overlap between IJH and VTTHX calculated?

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

That depends on your goals — we state facts, not advice. At 2.5% overlap, each fund still contributes meaningfully distinct exposure.

What does IJH own that VTTHX doesn't?

IJH holds 404 positions and VTTHX holds 6; 2 of IJH's positions don't appear in VTTHX at all, and they are 0.4% of IJH by weight.

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Related comparisons

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