RGAGX vs VT: 39% overlap
American Funds Growth Fund of America R6 and Vanguard Total World Stock ETF share 39.2% 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 4 months apart — RGAGX as of 2026-02-28, 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 1.6. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
RGAGX and VT hold 276 of the same securities. The ten contributing most to the overlap figure:
| Holding | in RGAGX | in VT | Δ |
|---|---|---|---|
| NVDA | 6.1% | 4.0% | 2.1% |
| MSFT | 4.0% | 2.4% | 1.7% |
| AMZN | 2.9% | 2.0% | 0.9% |
| AAPL | 1.8% | 3.6% | 1.8% |
| GOOGL | 2.9% | 1.8% | 1.1% |
| 2330 | 2.3% | 1.6% | 0.6% |
| AVGO | 4.3% | 1.5% | 2.8% |
| GOOG | 2.9% | 1.4% | 1.5% |
| MU | 1.8% | 1.1% | 0.7% |
| META | 4.2% | 1.1% | 3.2% |
Where RGAGX and VT 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 | RGAGX | VT | Δ |
|---|---|---|---|
| Financials | 6.5% | 14.9% | −8.3pp |
| Communication Services | 13.2% | 7.0% | +6.3pp |
| Consumer Discretionary | 12.7% | 8.6% | +4.0pp |
| Unclassified | 7.6% | 3.8% | +3.8pp |
| Health Care | 11.0% | 7.7% | +3.3pp |
| Consumer Staples | 2.4% | 4.6% | −2.2pp |
| Utilities | 0.5% | 2.5% | −2.0pp |
| Materials | 1.5% | 3.3% | −1.8pp |
Δ is RGAGX minus VT, 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
5.8% of RGAGX by weight, held in no part of VT.
51.6% of VT by weight, held in no part of RGAGX.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| RGAGX | VT | |
|---|---|---|
| Top 10 holdings | 36.7% | 20.5% |
| Positions held | 309 | 9,600 |
| Cost per $10,000 held, per year | $30 | $6 |
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 RGAGX and VT overlap?
RGAGX and VT overlap 39.2% by portfolio weight — moderate overlap. They share 276 holdings. The figure comes from current issuer holdings files (RGAGX as of 2026-02-28, VT as of 2026-06-30).
How is the overlap between RGAGX and VT calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If RGAGX holds a stock at 6% and VT 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 RGAGX and VT?
That depends on your goals — we state facts, not advice. At 39.2% overlap, each fund still contributes meaningfully distinct exposure.
What does RGAGX own that VT doesn't?
RGAGX holds 309 positions and VT holds 9,600; 32 of RGAGX's positions don't appear in VT at all, and they are 5.8% of RGAGX by weight.
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Related comparisons
Sources: issuer holdings files, RGAGX as of 2026-02-28, VT as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.