BLV vs VGLT: Holdings Overlap
BLVVanguard Long-term Bond Index Fund
Vanguard · 3013 holdings · $5.8B · as of 2026-03-31
VGLTVanguard Long-term Treasury Index Fund
Vanguard · 97 holdings · $10.4B · as of 2026-05-31
Holdings snapshots are 61 days apart (BLV: 2026-03-31, 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 BLV and VGLT?
Vanguard Long-term Bond Index Fund (BLV, by Vanguard) holds 3013 positions; Vanguard Long-term Treasury Index Fund (VGLT, by Vanguard) holds 97. They have 97 holdings in common, and by portfolio weight the two funds are 52.1% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 52.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 97BLV holds 3013 · VGLT holds 97
- Weight in Shared Holdings
- BLV 52%·VGLT 98%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 BLV
2916 of 3013 positions (46.6% of the fund) are not held by VGLT. Showing the top 30 by weight.
- U.S. Treasury Notes0.46%
- Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc0.16%
- CVS Health Corp.0.13%
- Bank of America Corp.0.10%
- Pfizer Investment Enterprises Pte. Ltd.0.10%
- AbbVie, Inc.0.10%
Only in VGLT
Every position in VGLT is also held by BLV, so it brings nothing the other fund doesn’t already own.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| BLV | -1.5% | -1.9% | +0.2% | +2.5% | -4.7% | +0.3% | 4.94% |
| 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 BLV vs VGLT →
Shared Holdings(97)
The top 10 shared positions account for 22% of the overlap, led by U.S. Treasury Bonds, U.S. Treasury Bonds and U.S. Treasury Bonds.
| U.S. Treasury Bonds | 1.23% | 2.21% | 1.23% |
|---|---|---|---|
| U.S. Treasury Bonds | 1.21% | 2.21% | 1.21% |
| U.S. Treasury Bonds | 1.18% | 2.14% | 1.18% |
| U.S. Treasury Bonds | 1.18% | 2.13% | 1.18% |
| U.S. Treasury Bonds | 1.18% | 2.17% | 1.18% |
| U.S. Treasury Bonds | 1.14% | 2.04% | 1.14% |
| U.S. Treasury Bonds | 1.13% | 2.04% | 1.13% |
| U.S. Treasury Bonds | 1.10% | 2.17% | 1.10% |
| U.S. Treasury Bonds | 0.98% | 2.17% | 0.98% |
| U.S. Treasury Bonds | 0.97% | 1.83% | 0.97% |
| U.S. Treasury Bonds | 0.93% | 1.64% | 0.93% |
| U.S. Treasury Bonds | 0.93% | 1.33% | 0.93% |
| U.S. Treasury Bonds | 0.87% | 1.40% | 0.87% |
| U.S. Treasury Bonds | 0.86% | 1.54% | 0.86% |
| U.S. Treasury Bonds | 0.82% | 1.53% | 0.82% |
| U.S. Treasury Bonds | 0.81% | 1.16% | 0.81% |
| U.S. Treasury Bonds | 0.80% | 1.41% | 0.80% |
| U.S. Treasury Bonds | 0.80% | 1.40% | 0.80% |
| U.S. Treasury Bonds | 0.79% | 1.51% | 0.79% |
| U.S. Treasury Bonds | 0.79% | 1.50% | 0.79% |
| U.S. Treasury Bonds | 0.77% | 1.18% | 0.77% |
| U.S. Treasury Bonds | 0.77% | 1.35% | 0.77% |
| U.S. Treasury Bonds | 0.76% | 1.40% | 0.76% |
| U.S. Treasury Bonds | 0.73% | 1.37% | 0.73% |
| U.S. Treasury Bonds | 0.73% | 1.35% | 0.73% |
Frequently Asked Questions
How much do BLV and VGLT overlap?
BLV and VGLT overlap by 52.1% of portfolio weight. They share 97 holdings (BLV holds 3013 positions and VGLT holds 97), based on each fund's latest SEC-reported holdings.
Is it redundant to own both BLV and VGLT?
The two portfolios are 52.1% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of BLV and VGLT?
The largest positions held by both funds are U.S. Treasury Bonds, U.S. Treasury Bonds, U.S. Treasury Bonds, U.S. Treasury Bonds and U.S. Treasury Bonds. Together the top 10 shared positions account for 22% of the total overlap.
What does BLV own that VGLT doesn't?
2916 positions (46.6% of BLV) are unique to BLV, led by U.S. Treasury Notes, Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc and CVS Health Corp.. In the other direction, 0 positions (0.0% of VGLT) are unique to VGLT.