FSKAX vs XLY: 9% overlap

Fidelity Total Market Index and Consumer Discretionary Select Sector SPDR Fund share 8.6% 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
1.9Effective Funds

You would hold two tickers and get the diversification of 1.9. Two funds that shared nothing would score 2.0; two identical funds score 1.0.

Overlap
8.6%
FSKAX expense ratio
0.01%
XLY expense ratio
0.08%

Top shared holdings

FSKAX and XLY hold 44 of the same securities. The ten contributing most to the overlap figure:

Holdingin FSKAXin XLYΔ
AMZN3.1%23.5%20.4%
TSLA1.7%16.1%14.4%
HD0.6%5.8%5.2%
MCD0.4%4.4%4.0%
TJX0.3%4.3%4.0%
LOW0.2%3.0%2.8%
BKNG0.2%3.6%3.4%
SBUX0.2%3.2%3.0%
ORLY0.1%1.9%1.8%
MAR0.1%2.1%2.0%

Where FSKAX and XLY 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.

SectorFSKAXXLYΔ
Consumer Discretionary9.6%99.9%90.3pp
Information Technology29.9%0.0%+29.9pp
Financials12.2%0.0%+12.2pp
Health Care9.8%0.0%+9.8pp
Communication Services9.7%0.0%+9.7pp
Industrials9.6%0.0%+9.6pp
Consumer Staples5.1%0.0%+5.1pp
Unclassified4.0%0.0%+4.0pp

Δ is FSKAX minus XLY, 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
3,709 positions

91.3% of FSKAX by weight, held in no part of XLY.

Only in XLY
4 positions

3.5% of XLY 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

FSKAXXLY
Top 10 holdings32.1%68.0%
Positions held3,75449
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 XLY overlap?

FSKAX and XLY overlap 8.6% by portfolio weight — largely distinct portfolios. They share 44 holdings. The figure comes from current issuer holdings files (FSKAX as of 2026-02-28, XLY as of 2026-07-23).

How is the overlap between FSKAX and XLY 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 XLY 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 XLY?

That depends on your goals — we state facts, not advice. At 8.6% overlap, each fund still contributes meaningfully distinct exposure.

What does FSKAX own that XLY doesn't?

FSKAX holds 3,754 positions and XLY holds 49; 3,709 of FSKAX's positions don't appear in XLY at all, and they are 91.3% of FSKAX by weight.

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