FFFHX vs MGK: 0% overlap
Fidelity Freedom 2050 and Vanguard Mega Cap Growth ETF share 0.2% 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 — FFFHX 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.
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.
Top shared holdings
FFFHX and MGK hold 1 of the same securities. The ten contributing most to the overlap figure:
| Holding | in FFFHX | in MGK | Δ |
|---|---|---|---|
| CASH | 0.2% | 0.5% | 0.3% |
Where FFFHX and MGK 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.
| Sector | FFFHX | MGK | Δ |
|---|---|---|---|
| Unclassified | 99.5% | 0.0% | +99.5pp |
| Information Technology | 0.0% | 58.6% | −58.6pp |
| Communication Services | 0.0% | 16.2% | −16.2pp |
| Consumer Discretionary | 0.0% | 11.2% | −11.2pp |
| Health Care | 0.0% | 4.9% | −4.9pp |
| Financials | 0.0% | 4.0% | −4.0pp |
| Industrials | 0.0% | 2.6% | −2.6pp |
| Real Estate | 0.0% | 1.2% | −1.2pp |
Δ is FFFHX minus MGK, 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
99.8% of FFFHX by weight, held in no part of MGK.
99.5% of MGK by weight, held in no part of FFFHX.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| FFFHX | MGK | |
|---|---|---|
| Top 10 holdings | 77.6% | 63.5% |
| Positions held | 37 | 57 |
| Cost per $10,000 held, per year | $75 | $5 |
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 FFFHX and MGK overlap?
FFFHX and MGK overlap 0.2% by portfolio weight — largely distinct portfolios. They share 1 holdings. The figure comes from current issuer holdings files (FFFHX as of 2026-03-31, MGK as of 2026-06-30).
How is the overlap between FFFHX and MGK calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If FFFHX holds a stock at 6% and MGK 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 FFFHX and MGK?
That depends on your goals — we state facts, not advice. At 0.2% overlap, each fund still contributes meaningfully distinct exposure.
What does FFFHX own that MGK doesn't?
FFFHX holds 37 positions and MGK holds 57; 35 of FFFHX's positions don't appear in MGK at all, and they are 99.8% of FFFHX by weight.
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Related comparisons
Sources: issuer holdings files, FFFHX as of 2026-03-31, MGK as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.