FSKAX vs IWD: 58% overlap

Fidelity Total Market Index and iShares Russell 1000 Value ETF share 58.1% 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 5 months apart — FSKAX as of 2026-02-28, 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
1.4Effective Funds

You would hold two tickers and get the diversification of 1.4. Two funds that shared nothing would score 2.0; two identical funds score 1.0.

Overlap
58.1%
FSKAX expense ratio
0.01%
IWD expense ratio
0.19%

Top shared holdings

FSKAX and IWD hold 781 of the same securities. The ten contributing most to the overlap figure:

Holdingin FSKAXin IWDΔ
AAPL5.9%5.9%0.0%
MSFT4.4%3.9%0.5%
AMZN3.1%5.7%2.7%
BRK-B1.4%2.5%1.1%
JPM1.2%2.6%1.4%
XOM1.0%1.8%0.8%
JNJ0.9%1.7%0.8%
WMT0.8%1.2%0.4%
META2.1%0.7%1.4%
COST0.7%0.6%0.0%

Where FSKAX and IWD 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.

SectorFSKAXIWDΔ
Information Technology29.9%18.0%+11.8pp
Financials12.2%19.6%7.4pp
Communication Services9.7%3.3%+6.4pp
Unclassified4.0%0.0%+4.0pp
Health Care9.8%12.7%2.9pp
Energy3.5%6.1%2.6pp
Consumer Staples5.1%7.4%2.3pp
Materials1.8%3.7%1.9pp

Δ is FSKAX minus IWD, 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
2,972 positions

37.9% of FSKAX by weight, held in no part of IWD.

Only in IWD
90 positions

5.2% of IWD 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

FSKAXIWD
Top 10 holdings32.1%27.8%
Positions held3,754872
Cost per $10,000 held, per year$1$19

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 IWD overlap?

FSKAX and IWD overlap 58.1% by portfolio weight — substantial duplication if you hold both. They share 781 holdings. The figure comes from current issuer holdings files (FSKAX as of 2026-02-28, IWD as of 2026-07-23).

How is the overlap between FSKAX and IWD 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 IWD 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 IWD?

That depends on your goals — we state facts, not advice. At 58.1% overlap, each fund still contributes meaningfully distinct exposure.

What does FSKAX own that IWD doesn't?

FSKAX holds 3,754 positions and IWD holds 872; 2,972 of FSKAX's positions don't appear in IWD at all, and they are 37.9% of FSKAX by weight.

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Related comparisons

Sources: issuer holdings files, FSKAX as of 2026-02-28, IWD as of 2026-07-23. Weights are fractions of each fund. Diagnostics, not advice.