PRGFX vs VOOG: 62% overlap
T. Rowe Price Growth Stock and Vanguard S&P 500 Growth ETF share 62.3% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.
Different holding dates. These holdings were published about 3 months apart — PRGFX 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 1.4. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
PRGFX and VOOG hold 36 of the same securities. The ten contributing most to the overlap figure:
| Holding | in PRGFX | in VOOG | Δ |
|---|---|---|---|
| NVDA | 13.8% | 13.7% | 0.1% |
| MSFT | 9.1% | 7.8% | 1.3% |
| AAPL | 11.1% | 6.0% | 5.1% |
| GOOGL | 7.0% | 5.9% | 1.1% |
| AVGO | 5.1% | 5.0% | 0.1% |
| META | 3.9% | 3.5% | 0.4% |
| AMZN | 4.9% | 3.5% | 1.4% |
| LLY | 3.0% | 2.7% | 0.3% |
| TSLA | 2.7% | 2.1% | 0.6% |
| AMD | 1.1% | 2.7% | 1.5% |
Where PRGFX and VOOG 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 | PRGFX | VOOG | Δ |
|---|---|---|---|
| Unclassified | 5.9% | 0.0% | +5.9pp |
| Information Technology | 48.2% | 52.2% | −4.0pp |
| Cash & Other | 3.5% | 0.0% | +3.5pp |
| Financials | 5.1% | 8.5% | −3.5pp |
| Consumer Discretionary | 10.7% | 8.5% | +2.2pp |
| Communication Services | 13.1% | 15.2% | −2.1pp |
| Industrials | 5.6% | 6.9% | −1.3pp |
| Utilities | 0.0% | 0.4% | −0.4pp |
Δ is PRGFX minus VOOG, 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
12.9% of PRGFX by weight, held in no part of VOOG.
34.9% of VOOG by weight, held in no part of PRGFX.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| PRGFX | VOOG | |
|---|---|---|
| Top 10 holdings | 62.8% | 56.4% |
| Positions held | 79 | 148 |
| Cost per $10,000 held, per year | $64 | $7 |
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 PRGFX and VOOG overlap?
PRGFX and VOOG overlap 62.3% by portfolio weight — substantial duplication if you hold both. They share 36 holdings. The figure comes from current issuer holdings files (PRGFX as of 2026-03-31, VOOG as of 2026-06-30).
How is the overlap between PRGFX and VOOG calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If PRGFX holds a stock at 6% and VOOG 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 PRGFX and VOOG?
That depends on your goals — we state facts, not advice. At 62.3% overlap, each fund still contributes meaningfully distinct exposure.
What does PRGFX own that VOOG doesn't?
PRGFX holds 79 positions and VOOG holds 148; 42 of PRGFX's positions don't appear in VOOG at all, and they are 12.9% of PRGFX by weight.
You probably hold more than two funds
This page compares PRGFX and VOOG. Paste your whole portfolio — brokerage, 401(k), IRA — and see the overlap across every fund at once, plus what you actually own underneath them and your own Effective Funds number. Free, no account, nothing stored.
X-ray my portfolio — free →Watch PRGFX vs VOOG
We re-read both funds’ published holdings every weeknight. Leave an address and we'll tell you when what's inside actually changes.
Not sending yet — email alerts are built but switched off, and you'll be among the first when they turn on. No spam, one-click unsubscribe.
Related comparisons
Sources: issuer holdings files, PRGFX as of 2026-03-31, VOOG as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.