VGSLX vs VIMAX: 6% overlap
Vanguard Real Estate Index Admiral and Vanguard Mid-Cap Index Admiral share 5.6% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.
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.
Top shared holdings
VGSLX and VIMAX hold 15 of the same securities. The ten contributing most to the overlap figure:
| Holding | in VGSLX | in VIMAX | Δ |
|---|---|---|---|
| SPG | 3.9% | 0.7% | 3.2% |
| DLR | 3.3% | 0.6% | 2.7% |
| O | 3.0% | 0.6% | 2.5% |
| PSA | 2.7% | 0.5% | 2.2% |
| CASH | 0.6% | 0.5% | 0.1% |
| VTR | 2.2% | 0.4% | 1.8% |
| CBRE | 2.1% | 0.4% | 1.7% |
| IRM | 2.0% | 0.3% | 1.7% |
| CCI | 1.8% | 0.3% | 1.4% |
| EXR | 1.6% | 0.3% | 1.3% |
Where VGSLX and VIMAX 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 | VGSLX | VIMAX | Δ |
|---|---|---|---|
| Real Estate | 84.0% | 5.1% | +78.9pp |
| Industrials | 0.0% | 19.6% | −19.5pp |
| Information Technology | 0.0% | 16.1% | −16.1pp |
| Unclassified | 14.7% | 0.4% | +14.3pp |
| Financials | 0.3% | 14.0% | −13.8pp |
| Consumer Discretionary | 0.2% | 8.9% | −8.7pp |
| Utilities | 0.0% | 8.4% | −8.4pp |
| Health Care | 0.0% | 7.8% | −7.8pp |
Δ is VGSLX minus VIMAX, 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
71.2% of VGSLX by weight, held in no part of VIMAX.
94.4% of VIMAX by weight, held in no part of VGSLX.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| VGSLX | VIMAX | |
|---|---|---|
| Top 10 holdings | 54.1% | 9.5% |
| Positions held | 145 | 283 |
| Cost per $10,000 held, per year | $13 | $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 VGSLX and VIMAX overlap?
VGSLX and VIMAX overlap 5.6% by portfolio weight — largely distinct portfolios. They share 15 holdings. The figure comes from current issuer holdings files (VGSLX as of 2026-06-30, VIMAX as of 2026-06-30).
How is the overlap between VGSLX and VIMAX calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If VGSLX holds a stock at 6% and VIMAX 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 VGSLX and VIMAX?
That depends on your goals — we state facts, not advice. At 5.6% overlap, each fund still contributes meaningfully distinct exposure.
What does VGSLX own that VIMAX doesn't?
VGSLX holds 145 positions and VIMAX holds 283; 130 of VGSLX's positions don't appear in VIMAX at all, and they are 71.2% of VGSLX by weight.
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Related comparisons
Sources: issuer holdings files, VGSLX as of 2026-06-30, VIMAX as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.