VTIP vs VTIVX: 6% overlap
Vanguard Short-Term Inflation-Protected Securities ETF and Vanguard Target Retirement 2045 share 5.6% 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 — VTIVX 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 1.9. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
VTIP and VTIVX hold 3 of the same securities. The ten contributing most to the overlap figure:
| Holding | in VTIP | in VTIVX | Δ |
|---|---|---|---|
| UST-3-10Y | 37.8% | 2.7% | 35.0% |
| UST-0-3Y | 61.5% | 2.1% | 59.4% |
| CASH | 0.7% | 1.9% | 1.2% |
Where VTIP and VTIVX 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 | VTIP | VTIVX | Δ |
|---|---|---|---|
| Treasuries | 99.3% | 6.2% | +93.1pp |
| Information Technology | 0.0% | 23.8% | −23.8pp |
| Financials | 0.0% | 13.3% | −13.3pp |
| Industrials | 0.0% | 9.6% | −9.6pp |
| Unclassified | 0.0% | 8.0% | −8.0pp |
| Consumer Discretionary | 0.0% | 6.9% | −6.9pp |
| Health Care | 0.0% | 6.3% | −6.3pp |
| Communication Services | 0.0% | 5.4% | −5.4pp |
Δ is VTIP minus VTIVX, 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
0.0% of VTIP by weight, held in no part of VTIVX.
93.1% of VTIVX by weight, held in no part of VTIP.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| VTIP | VTIVX | |
|---|---|---|
| Top 10 holdings | 100.0% | 21.4% |
| Positions held | 3 | 6 |
| Cost per $10,000 held, per year | $3 | $8 |
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 VTIP and VTIVX overlap?
VTIP and VTIVX overlap 5.6% by portfolio weight — largely distinct portfolios. They share 3 holdings. The figure comes from current issuer holdings files (VTIP as of 2026-06-30, VTIVX as of 2026-03-31).
How is the overlap between VTIP and VTIVX calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If VTIP holds a stock at 6% and VTIVX 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 VTIP and VTIVX?
That depends on your goals — we state facts, not advice. At 5.6% overlap, each fund still contributes meaningfully distinct exposure.
What does VTIP own that VTIVX doesn't?
VTIP holds 3 positions and VTIVX holds 6; 0 of VTIP's positions don't appear in VTIVX at all, and they are 0.0% of VTIP by weight.
You probably hold more than two funds
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Related comparisons
Sources: issuer holdings files, VTIP as of 2026-06-30, VTIVX as of 2026-03-31. Weights are fractions of each fund. Diagnostics, not advice.