Diana Davis Spencer Foundation - Stock Holdings in 13F Filings (SEC)

Updated on March 15, 2026.

Based on 13F Filings filed with the SEC on February 13, 2026, for the 2025 Q4 period, Diana Davis Spencer Foundation held in its portfolio 4 assets valued at $296,288,380 (i.e. $296.29M).

The most valuable assets in the portfolio included: VANGUARD BD INDEX FD INC ($119.11M), VANGUARD BD INDEX FD INC ($111.06M), and VANGUARD SCOTTSDALE FDS ($34.97M).

The chart below shows the top 4 valuable assets, and the table below shows the top 4 valuable assets.

You can see similar for other investment managers.

Related Topics: SEC Topic List.

Data Source: SEC.

Top Valuable Stocks in Diana Davis Spencer Foundation Portfolio

VANGUARD BD INDEX FD INC

VANGUARD SCOTTSDALE FDS

VANGUARD INDEX FDS

Diana Davis Spencer Foundation - Stock Holdings in 13F Filings (SEC)

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Name of Issuer	No. of Shares	Value ($)	Class
VANGUARD BD INDEX FD INC	1608100	119111967	TOTAL BND MRKT
VANGUARD BD INDEX FD INC	1426000	111056880	INTERMED TERM
VANGUARD SCOTTSDALE FDS	461000	34966850	LG-TERM COR BD
VANGUARD INDEX FDS	49675	31152683	S&P 500 ETF SHS