VIIIX · Vanguard

Vanguard Institutional Index Fund Institutional Plus Shares

See how the latest disclosed equity holdings combine into this share class’s P/E and P/S. Daily NAV and the exact ISIN remain distinct for this share class.

ISIN US9220402096Income share classNAV US$613.62 as of 1 October 2026Holdings dated 31 July 2026Meets ratio/fox coverage standard

Other share classes

Vanguard Institutional Index Fund Institutional SharesIncome · US9220401007

Core valuation

Trailing P/E24.77×99.68% coverage

Latest-quarter run-rate P/E19.55×99.68% coverage

Trailing P/S3.40×99.68% coverage

Latest-quarter run-rate P/S3.20×99.68% coverage

Coverage is the share of positive eligible-equity holding value represented in each metric. The reliability standard is at least 90.00% coverage with no individual uncovered holding above 1.00%. Missing inputs are excluded, never treated as zero. Signed ordinary/common earnings remain in aggregate P/E.

Largest reported holdings

Largest reported mutual-fund holdings with weights and trailing valuation ratios
Holding	Weight	Trailing P/E	Trailing P/S
NVDANVIDIA Corp.	7.54%	28.85×	18.36×
AAPLApple Inc.	7.04%	37.39×	10.33×
MSFTMicrosoft Corp.	5.36%	28.47×	11.47×
AMZNAmazon.com Inc.	4.12%	19.79×	3.45×
GOOGLAlphabet Inc. Class A	3.24%	17.05×	9.34×
AVGOBroadcom Inc.	2.86%	42.87×	18.41×
GOOGAlphabet Inc. Class C	2.62%	17.05×	9.34×
METAFacebook Inc. Class A	1.90%	27.35×	8.16×
JPMJPMorgan Chase & Co.	1.46%	13.92×	4.44×
BRK.BBerkshire Hathaway Inc. Class B	1.46%	12.49×	2.79×

* A holding uses its latest full-year result only when both trailing and latest-quarter inputs are unavailable; open the stock for the exact year end.

Most similar funds

Ranked by shared weight across matching disclosed company holdings and explicitly reported same-currency cash.

US9229087104 · Vanguard 500 Index Fund99.58% holdings overlap · United States
VOO · Vanguard S&P 500 ETF99.42% holdings overlap · US market
SPY · State Street SPDR S&P 500 ETF96.40% holdings overlap · US market
IVV · iShares Core S&P 500 ETF96.37% holdings overlap · US market
SPYM · State Street SPDR Portfolio S&P 500 ETF96.36% holdings overlap · US market

Sources and freshness

NAV and share-class identity come from Vanguard’s official product evidence. Holdings come from the issuer’s public holdings disclosure and are normalised to the shared stock look-through model.

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