FSKAX vs VFORX: 43% overlap

Fidelity Total Market Index and Vanguard Target Retirement 2040 share 42.5% 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 — FSKAX as of 2026-02-28, 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
1.6Effective Funds

You would hold two tickers and get the diversification of 1.6. Two funds that shared nothing would score 2.0; two identical funds score 1.0.

Overlap
42.5%
FSKAX expense ratio
0.01%
VFORX expense ratio
0.08%

Top shared holdings

FSKAX and VFORX hold 3,223 of the same securities. The ten contributing most to the overlap figure:

Holdingin FSKAXin VFORXΔ
NVDA6.5%2.8%3.7%
AAPL5.9%2.5%3.3%
MSFT4.4%1.7%2.7%
AMZN3.1%1.4%1.7%
GOOGL2.7%1.3%1.5%
AVGO2.3%1.1%1.2%
GOOG2.2%1.0%1.2%
META2.1%0.7%1.4%
TSLA1.7%0.7%1.0%
CASH0.7%1.8%1.1%

Where FSKAX and VFORX 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.

SectorFSKAXVFORXΔ
Treasuries0.0%8.7%8.7pp
Information Technology29.9%21.6%+8.2pp
Unclassified4.0%9.7%5.7pp
Communication Services9.7%4.9%+4.8pp
Health Care9.8%5.8%+4.0pp
MBS Pass-Through0.0%3.7%3.7pp
Consumer Discretionary9.6%6.3%+3.3pp
Corporate — industrial & other0.0%2.8%2.8pp

Δ is FSKAX minus VFORX, 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 FSKAX
530 positions

3.9% of FSKAX by weight, held in no part of VFORX.

Only in VFORX
13,459 positions

55.1% of VFORX by weight, held in no part of FSKAX.

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

Concentration and cost

FSKAXVFORX
Top 10 holdings32.1%23.9%
Positions held3,7546
Cost per $10,000 held, per year$1$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 FSKAX and VFORX overlap?

FSKAX and VFORX overlap 42.5% by portfolio weight — moderate overlap. They share 3,223 holdings. The figure comes from current issuer holdings files (FSKAX as of 2026-02-28, VFORX as of 2026-03-31).

How is the overlap between FSKAX and VFORX calculated?

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

That depends on your goals — we state facts, not advice. At 42.5% overlap, each fund still contributes meaningfully distinct exposure.

What does FSKAX own that VFORX doesn't?

FSKAX holds 3,754 positions and VFORX holds 6; 530 of FSKAX's positions don't appear in VFORX at all, and they are 3.9% of FSKAX by weight.

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Related comparisons

Sources: issuer holdings files, FSKAX as of 2026-02-28, VFORX as of 2026-03-31. Weights are fractions of each fund. Diagnostics, not advice.