SPY vs VGLT: Holdings Overlap
SPYState Street® SPDR® S&P 500® ETF Trust
State Street (SPDR) · 504 holdings · $812.0B · as of 2026-08-06
VGLTVanguard Long-term Treasury Index Fund
Vanguard · 97 holdings · $10.4B · as of 2026-05-31
Holdings snapshots are 67 days apart (SPY: 2026-08-06, VGLT: 2026-05-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are SPY and VGLT?
State Street® SPDR® S&P 500® ETF Trust (SPY, by State Street (SPDR)) holds 504 positions; Vanguard Long-term Treasury Index Fund (VGLT, by Vanguard) holds 97. They have 0 holdings in common, and by portfolio weight the two funds are 0.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 0SPY holds 504 · VGLT holds 97
- Weight in Shared Holdings
- SPY 0%·VGLT 0%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in SPY
504 of 504 positions (99.9% of the fund) are not held by VGLT. Showing the top 30 by weight.
Only in VGLT
97 of 97 positions (98.3% of the fund) are not held by SPY. Showing the top 30 by weight.
- U.S. Treasury Bonds2.22%
- U.S. Treasury Bonds2.21%
- U.S. Treasury Bonds2.21%
- U.S. Treasury Bonds2.17%
- U.S. Treasury Bonds2.17%
- U.S. Treasury Bonds2.17%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| SPY | +3.4% | +14.0% | +23.7% | +21.2% | +13.3% | +15.3% | 0.97% |
| VGLT | -1.5% | -2.3% | -0.6% | +0.5% | -6.7% | -1.7% | 4.76% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in SPY vs VGLT →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do SPY and VGLT overlap?
SPY and VGLT overlap by 0.0% of portfolio weight. They share 0 holdings (SPY holds 504 positions and VGLT holds 97), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SPY and VGLT?
The two portfolios are 0.0% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What does SPY own that VGLT doesn't?
504 positions (99.9% of SPY) are unique to SPY, led by NVDA, AAPL and MSFT. In the other direction, 97 positions (98.3% of VGLT) are unique to VGLT.