VGT vs VTWAX: 23% overlap
Vanguard Information Technology ETF and Vanguard Total World Stock Index Admiral share 22.5% 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 1.8. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
VGT and VTWAX hold 223 of the same securities. The ten contributing most to the overlap figure:
| Holding | in VGT | in VTWAX | Δ |
|---|---|---|---|
| NVDA | 16.1% | 4.0% | 12.1% |
| AAPL | 14.3% | 3.6% | 10.7% |
| MSFT | 8.3% | 2.4% | 5.9% |
| AVGO | 3.8% | 1.5% | 2.3% |
| MU | 5.0% | 1.1% | 3.9% |
| AMD | 3.6% | 0.8% | 2.8% |
| INTC | 2.4% | 0.5% | 1.9% |
| AMAT | 2.3% | 0.5% | 1.8% |
| LRCX | 2.1% | 0.5% | 1.7% |
| CASH | 0.4% | 1.0% | 0.6% |
Where VGT and VTWAX 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 | VGT | VTWAX | Δ |
|---|---|---|---|
| Information Technology | 99.5% | 30.1% | +69.4pp |
| Financials | 0.0% | 14.9% | −14.8pp |
| Industrials | 0.0% | 11.5% | −11.5pp |
| Consumer Discretionary | 0.0% | 8.6% | −8.6pp |
| Health Care | 0.0% | 7.7% | −7.7pp |
| Communication Services | 0.0% | 7.0% | −7.0pp |
| Consumer Staples | 0.1% | 4.6% | −4.5pp |
| Unclassified | 0.0% | 3.8% | −3.7pp |
Δ is VGT minus VTWAX, 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
1.7% of VGT by weight, held in no part of VTWAX.
76.8% of VTWAX by weight, held in no part of VGT.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| VGT | VTWAX | |
|---|---|---|
| Top 10 holdings | 59.9% | 20.5% |
| Positions held | 322 | 9,600 |
| Cost per $10,000 held, per year | $9 | $9 |
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 VGT and VTWAX overlap?
VGT and VTWAX overlap 22.5% by portfolio weight — moderate overlap. They share 223 holdings. The figure comes from current issuer holdings files (VGT as of 2026-06-30, VTWAX as of 2026-06-30).
How is the overlap between VGT and VTWAX calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If VGT holds a stock at 6% and VTWAX 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 VGT and VTWAX?
That depends on your goals — we state facts, not advice. At 22.5% overlap, each fund still contributes meaningfully distinct exposure.
What does VGT own that VTWAX doesn't?
VGT holds 322 positions and VTWAX holds 9,600; 99 of VGT's positions don't appear in VTWAX at all, and they are 1.7% of VGT by weight.
You probably hold more than two funds
This page compares VGT and VTWAX. 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 VGT vs VTWAX
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, VGT as of 2026-06-30, VTWAX as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.