VFIFX vs VTHRX: 70% overlap

Vanguard Target Retirement 2050 and Vanguard Target Retirement 2030 share 70.5% 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 3 months apart — VFIFX, VTHRX as of 2026-03-31, the rest through 2026-06-30. Each fund is compared using its most recent file, so any trading in between shows up as a difference.

Hold both, 50/50
1.3Effective Funds

You would hold two tickers and get the diversification of 1.3. Two funds that shared nothing would score 2.0; two identical funds score 1.0.

Overlap
70.5%
VFIFX expense ratio
0.08%
VTHRX expense ratio
0.08%

Top shared holdings

VFIFX and VTHRX hold 16,682 of the same securities. The ten contributing most to the overlap figure:

Holdingin VFIFXin VTHRXΔ
NVDA3.3%2.2%1.1%
AAPL3.1%2.0%1.0%
CASH1.9%1.9%0.0%
UST-3-10Y1.6%6.0%4.4%
AGENCY-MBS1.5%5.7%4.2%
MSFT2.0%1.3%0.7%
UST-0-3Y1.2%4.7%3.5%
AMZN1.7%1.1%0.6%
23301.6%1.0%0.5%
GOOGL1.5%1.0%0.5%

Where VFIFX and VTHRX 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.

SectorVFIFXVTHRXΔ
Treasuries3.6%13.6%10.0pp
Information Technology26.1%17.3%+8.8pp
Unclassified6.3%13.3%7.1pp
MBS Pass-Through1.5%5.7%4.2pp
Industrials10.5%6.9%+3.5pp
Corporate — industrial & other1.1%4.4%3.2pp
Financials14.1%11.3%+2.7pp
Consumer Discretionary7.5%5.0%+2.5pp

Δ is VFIFX minus VTHRX, 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 VFIFX
0 positions

0.0% of VFIFX by weight, held in no part of VTHRX.

Only in VTHRX
1 positions

0.4% of VTHRX by weight, held in no part of VFIFX.

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

Concentration and cost

VFIFXVTHRX
Top 10 holdings19.3%28.9%
Positions held67
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 VFIFX and VTHRX overlap?

VFIFX and VTHRX overlap 70.5% by portfolio weight — substantial duplication if you hold both. They share 16,682 holdings. The figure comes from current issuer holdings files (VFIFX as of 2026-03-31, VTHRX as of 2026-03-31).

How is the overlap between VFIFX and VTHRX calculated?

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

That depends on your goals — we state facts, not advice. At 70.5% overlap, most of what one fund holds, the other holds too. Expense ratios: VFIFX 0.08% versus VTHRX 0.08%.

What does VFIFX own that VTHRX doesn't?

VFIFX holds 6 positions and VTHRX holds 7; 0 of VFIFX's positions don't appear in VTHRX at all, and they are 0.0% of VFIFX by weight.

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Related comparisons

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