MID-CAP INDEX PORTFOLIO

VANGUARD VARIABLE INSURANCE FUNDS

U.S. equity index fund
$3.53B NAV
292 positions · as of 2026-06-30 · filed 2026-08-28

Fund classification

Classified from what the fund holds · as of 2026 Q2

MID-CAP INDEX PORTFOLIO is a U.S. equity index fund that tracks the CRSP US Mid Cap Index. 22% of MID-CAP INDEX PORTFOLIO’s stock holdings are in companies whose revenue grew in the top quartile of U.S. companies over the last five fiscal years (covering 99% of the fund’s equity).

Asset class
Equity
Region
United States
Management
Index (passive)
Fund type
Open-end fund

Fund profile

As filed in the prospectus · 2026 Q2

Vanguard Variable Insurance Funds Mid-Cap Index Portfolio (the Fund) seeks to track the performance of a benchmark index that measures the investment return of mid-capitalization stocks.

Strategy · summarised

The fund tracks the CRSP US Mid Cap Index by holding all or substantially all of its constituent stocks in the same proportions as the index. Because the fund invests in the full set of index constituents, its performance will closely mirror the target index.

Expenses
0.17%one share class
Share classExpense ratio
C0000121600.17%

Portfolio turnover 22.00% · as of 2026 Q2

Allocation

Asset groups · long / short shown separately, never netted · 2026 Q2

99.97%
of net assets
Stocks99.71%
Cash & short-term0.26%
Derivatives0.01%

Derivatives are shown at market value, not notional exposure.

Sector allocation

The same holdings as Allocation above, grouped by market sector instead of asset type · as of 2026 Q2

100%
of net assets
Industrials20.4%
Information Technology16.1%
Financials14.2%
Consumer Discretionary8.9%
9 smaller40.4%

Government, Securitized and Cash are non-corporate buckets; International is foreign holdings we don’t sector-classify, and Other is the residual (held funds, unresolved names).

Portfolio growth profile

How much of the fund’s stock holdings are in fast-growing companies · as of 2026 Q2

Revenue growth
22%of stock holdings in top-quartile growers
covering 99% of the fund’s equity
Earnings growth
27%of stock holdings in top-quartile growers
covering 81% of the fund’s equity

Share of the fund’s equity (by value) in companies whose trailing five-year revenue — or net-income — growth ranks in the top 25% of U.S. public companies. Foreign and newly-listed holdings are excluded, so the figure covers only part of the book. From SEC filings — not investment advice. How we measure this.

Latest quarter

What changed since the fund's previous filing

2026Q2 vs 2026Q1: 18 new23 exited

Largest new: AEP, ALAB, CCL, NSC, TRV, AON, APD, REGN

Largest exited: GLW, MRVL, Carnival Corp, Coterra Energy Inc, IBKR, LDOS, EVRG, WY

Return profile

Total return as filed — price change plus distributions reinvested · trailing figures to Apr 2026

1-year
+22.46%
3-year
+54.36%
5-year
+43.01%
Volatility
11.82%
Worst 3-yr fall
-12.68%
Cumulative return· Jul 2023 – Apr 2026

May 2026 and Jun 2026 have been filed since the trailing figures were struck, so they are not in the table above or the curve — every figure here shares one cut-off, which is what makes them comparable with other funds.

Holdings

By % of NAV · equity positions carry filed share counts · every resolvable issuer links to its company page

Issuer%NAVValue
Vertiv Holdings CoVRT1.24%$43.93M
Western Digital CorpWDC1.06%$37.60M
Seagate Technology Holdings PLCSTX1.05%$36.95M
Quanta Services IncPWR1.04%$36.91M
Howmet Aerospace IncHWM1.04%$36.74M
Cummins IncCMI0.95%$33.61M
Datadog IncDDOG0.83%$29.42M
Bloom Energy CorpBE0.79%$27.94M
Constellation Energy CorpCEG0.78%$27.51M
Robinhood Markets IncHOOD0.77%$27.10M
Showing 10 of 292Sign in to see more

Reported price is the fund's own reported value divided by its own reported shares at 2026-06-30 — not a live quote, and not what the fund paid.

Top 10 positions are 9.56% of net assets, top 25 20.13%, across 281 issuers.

See more of this fund's book

More positions with filed share counts, and the quarter-over-quarter change list rather than the largest few — free with an account, no card required.

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