FFFEX vs FSKAX: 0% overlap

Fidelity Freedom 2030 and Fidelity Total Market Index share 0.3% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.

Different holding dates. These holdings were published 31 days apart — FSKAX as of 2026-02-28, the rest through 2026-03-31. 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
0.3%
FFFEX expense ratio
0.71%
FSKAX expense ratio
0.01%

Top shared holdings

FFFEX and FSKAX hold 2 of the same securities. The ten contributing most to the overlap figure:

Holdingin FFFEXin FSKAXΔ
CASH0.3%0.7%0.4%
UST0.3%0.0%0.2%

Where FFFEX and FSKAX 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.

SectorFFFEXFSKAXΔ
Unclassified99.4%4.0%+95.4pp
Information Technology0.0%29.9%29.9pp
Financials0.0%12.2%12.2pp
Health Care0.0%9.8%9.8pp
Communication Services0.0%9.7%9.7pp
Industrials0.0%9.6%9.6pp
Consumer Discretionary0.0%9.6%9.6pp
Consumer Staples0.0%5.1%5.1pp

Δ is FFFEX minus FSKAX, 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 FFFEX
35 positions

99.4% of FFFEX by weight, held in no part of FSKAX.

Only in FSKAX
3,751 positions

99.8% of FSKAX by weight, held in no part of FFFEX.

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

Concentration and cost

FFFEXFSKAX
Top 10 holdings70.9%32.1%
Positions held383,754
Cost per $10,000 held, per year$71$1

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 FFFEX and FSKAX overlap?

FFFEX and FSKAX overlap 0.3% by portfolio weight — largely distinct portfolios. They share 2 holdings. The figure comes from current issuer holdings files (FFFEX as of 2026-03-31, FSKAX as of 2026-02-28).

How is the overlap between FFFEX and FSKAX calculated?

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

That depends on your goals — we state facts, not advice. At 0.3% overlap, each fund still contributes meaningfully distinct exposure.

What does FFFEX own that FSKAX doesn't?

FFFEX holds 38 positions and FSKAX holds 3,754; 35 of FFFEX's positions don't appear in FSKAX at all, and they are 99.4% of FFFEX by weight.

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Related comparisons

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