Sensible Investor

Immutable verification record

VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND

Run 363649da-fcfb-4007-87ef-de06de7710ca · portfolio period 2026-03-31 · captured 2026-07-29T14:22:09.616Z

This is the permanent record of what our July 29, 2026 data run computed for Vanguard Institutional Total Stock Market Index Fund, and the exact SEC documents every number came from — it exists so anyone can check us.

Current interpretation · methodology 1.5

How to read this prior-run record now

This fund holds essentially the same portfolio as Vanguard Total Stock Market Index Fund but charges $30 a year per $100,000 instead of $10 — about $1,007 more over 20 years.

This interpretation is computed under the current methodology and is not inserted into the immutable record below.

Cite these figures

Each snippet includes the figure’s source-event date and immutable verification URL.

Best-fit active share

Sensible Investor, “VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND — best-fit active share,” 0.2% versus the total US market, fund portfolio as of 2026-03-31; measured against the filed holdings of Vanguard Total Stock Market ETF (VTI), as of 2026-03-31. https://sensible-investor.com/registry/vitnx/as-of/363649da-fcfb-4007-87ef-de06de7710ca

VITNX filed expense ratio

Sensible Investor, “VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND — filed expense ratio,” 0.03% for VITNX, as of 2025-12-31. https://sensible-investor.com/registry/vitnx/as-of/363649da-fcfb-4007-87ef-de06de7710ca

Active share by comparison index

Holdings difference for every comparison calculated in this run.
IndexActive shareHoldings evidenceIdentifier match
the total US market0.2%measured against the filed holdings of Vanguard Total Stock Market ETF (VTI), as of 2026-03-31100.0%
the Russell 1000 index5.3%measured against the filed holdings of iShares Russell 1000 ETF (IWB), as of 2026-03-3194.8%
the S&P 50011.6%measured against the filed holdings of iShares Core S&P 500 ETF (IVV), as of 2026-03-3188.5%
the Russell 1000 Value index45.6%measured against the filed holdings of iShares Russell 1000 Value ETF (IWD), as of 2026-03-3160.4%
the Russell 1000 Growth index46.3%measured against the filed holdings of iShares Russell 1000 Growth ETF (IWF), as of 2026-03-3161.1%
the S&P MidCap 40095.0%measured against the filed holdings of iShares Core S&P Mid-Cap ETF (IJH), as of 2026-03-315.0%
the Russell 2000 index95.4%measured against the filed holdings of iShares Russell 2000 ETF (IWM), as of 2026-03-314.6%
the S&P SmallCap 60097.6%measured against the filed holdings of iShares Core S&P Small-Cap ETF (IJR), as of 2026-03-312.4%

Filed expense ratios by share class

Each fee is tied to its filed SEC source and period.
Share classExpense ratioFiling periodSEC document
VITNX (Vanguard Institutional Total Stock Market Index Fund)0.03%2025-12-31Open SEC expense filing
VITPX (Vanguard Institutional Total Stock Market Index Fund)0.02%2025-12-31Open SEC expense filing

Match rates

How much of the fund filing could be matched to comparison holdings. A benchmark proxy is not compared with itself.
Fund identifier match100.0%
the total US market100.0%
the Russell 1000 index94.8%
the S&P 50088.5%
the Russell 1000 Value index60.4%
the Russell 1000 Growth index61.1%
the S&P MidCap 4005.0%
the Russell 2000 index4.6%
the S&P SmallCap 6002.4%

Fee-drag windows

Dollar fee drag from licensed return windows; the lowest-cost control class is omitted rather than compared with itself, and missing history remains explicit.
Share classWindowFee dragWindow dates
VITNX10 years$6692016-07-29 to 2026-07-29
VITNX20 years$2,9602006-07-31 to 2026-07-29
VITNX30 yearsproxy history begins 2001 — no full 30-year windowProxy history begins 2001-05-31
VITPX10 years$3352016-07-29 to 2026-07-29
VITPX20 years$1,4812006-07-31 to 2026-07-29
VITPX30 yearsproxy history begins 2001 — no full 30-year windowProxy history begins 2001-05-31

Check it yourself

  1. Open the fund’s linked SEC holdings filing and, for fees, the linked SEC expense filing in the table above.
  2. Find each security identifier and portfolio weight in the holdings filing, and the net annual operating expense for the relevant share class in its expense filing.
  3. Recalculate the comparison using the active-share formula and portfolio rules.
Raw record (JSON)

Download this record as JSON

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