Diana Davis Spencer Foundation

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 14, 2025), Diana Davis Spencer Foundation reported 4 stock positions worth $297.2 million. Its top holding was Vanguard Total Bond Market (BND) at 40.2% of the portfolio, followed by Vanguard Intermediate-Term B (BIV, 37.5%) and Vanguard Long-Term Corp. Bond (VCLT, 12.0%). Its holdings were unchanged from Q2 2025.

Most Recent 13F
Q2 2026
Location
BETHESDA, MD
CIK
0001633391
Portfolio Value
$297.2M (Q3 2025)
SEC Filing
0001398344-25-020879 ↗ filed Nov 14, 2025

Holdings Value

0$100.0M$200.0M$300.0M Q1 2024: $260.4M Q1 2024 Q2 2024: $282.5M Q2 2024 Q3 2024: $296.2M Q3 2024 Q4 2024: $283.4M Q4 2024 Q1 2025: $287.8M Q1 2025 Q2 2025: $291.9M Q2 2025 Q3 2025: $297.2M $297.2M Q3 2025 Q4 2025: $296.3M Q4 2025 Q1 2026: $39.3M Q1 2026 Q2 2026: $55.2M Q2 2026

Holdings 4 stocks · $297.2M
BND Vanguard Total Bond Market 40.24% 1,608,100 $119.6M No change
BIV Vanguard Intermediate-Term B 37.47% 1,426,000 $111.4M No change
VCLT Vanguard Long-Term Corp. Bond 12.05% 461,000 $35.8M No change
VOO Vanguard S&P 500 ETF 10.24% 49,675 $30.4M No change

Portfolio Sells Q2 2025 → Q3 2025
None this quarter.

Portfolio Buys Q2 2025 → Q3 2025
None this quarter.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 2$55.2MVOO, VIG
Q1 2026 2$39.3MVOO, VIG
Q4 2025 4$296.3MBND, BIV, VCLT, VOO
Q3 2025 4$297.2MBND, BIV, VCLT, VOO
Q2 2025 4$291.9MBND, BIV, VCLT, VOO
Q1 2025 4$287.8MBND, BIV, VCLT, VOO
Q4 2024 4$283.4MBND, BIV, VCLT, VOO
Q3 2024 4$296.2MBND, BIV, VCLT, VOO
Q2 2024 4$282.5MBND, BIV, VCLT, VOO
Q1 2024 3$260.4MBND, BIV, VCLT