VGLT vs TLT: Holdings Overlap
VGLTVanguard Long-term Treasury Index Fund
Vanguard · 97 holdings · $10.4B · as of 2026-05-31
TLTiShares 20+ Year Treasury Bond ETF
iShares · 46 holdings · $41.6B · as of 2026-05-31
How similar are VGLT and TLT?
Vanguard Long-term Treasury Index Fund (VGLT, by Vanguard) holds 97 positions; iShares 20+ Year Treasury Bond ETF (TLT, by iShares) holds 46. They have 45 holdings in common, and by portfolio weight the two funds are 51.3% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 51.3%Sum of the smaller weight of each shared holding
- Shared Holdings
- 45VGLT holds 97 · TLT holds 46
- Weight in Shared Holdings
- VGLT 58%·TLT 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 VGLT
52 of 97 positions (40.0% of the fund) are not held by TLT. Showing the top 30 by weight.
- U.S. Treasury Bonds1.54%
- U.S. Treasury Bonds1.41%
- U.S. Treasury Bonds1.40%
- U.S. Treasury Bonds1.40%
- U.S. Treasury Bonds1.40%
- U.S. Treasury Bonds1.37%
Only in TLT
1 of 46 positions (0.5% of the fund) are not held by VGLT.
- U.S. Treasury Bonds0.54%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| VGLT | -1.5% | -2.3% | -0.6% | +0.5% | -6.7% | -1.7% | 4.76% |
| TLT | -1.7% | -2.5% | -1.3% | -0.6% | -7.8% | -2.3% | 4.72% |
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 VGLT vs TLT →
Shared Holdings(45)
The top 10 shared positions account for 42% of the overlap, led by U.S. Treasury Bonds, U.S. Treasury Bonds and U.S. Treasury Bonds.
| U.S. Treasury Bonds | 2.22% | 3.95% | 2.22% |
|---|---|---|---|
| U.S. Treasury Bonds | 2.21% | 2.90% | 2.21% |
| U.S. Treasury Bonds | 2.21% | 4.46% | 2.21% |
| U.S. Treasury Bonds | 2.17% | 4.40% | 2.17% |
| U.S. Treasury Bonds | 2.17% | 3.80% | 2.17% |
| U.S. Treasury Bonds | 2.17% | 2.54% | 2.17% |
| U.S. Treasury Bonds | 2.14% | 4.50% | 2.14% |
| U.S. Treasury Bonds | 2.13% | 3.46% | 2.13% |
| U.S. Treasury Bonds | 2.04% | 4.03% | 2.04% |
| U.S. Treasury Bonds | 2.04% | 3.94% | 2.04% |
| U.S. Treasury Bonds | 1.83% | 4.58% | 1.83% |
| U.S. Treasury Bonds | 1.64% | 3.62% | 1.64% |
| U.S. Treasury Bonds | 1.51% | 3.86% | 1.51% |
| U.S. Treasury Bonds | 1.50% | 2.97% | 1.50% |
| U.S. Treasury Bonds | 1.40% | 4.15% | 1.40% |
| U.S. Treasury Bonds | 1.36% | 2.73% | 1.36% |
| U.S. Treasury Bonds | 1.35% | 1.33% | 1.33% |
| U.S. Treasury Bonds | 1.25% | 4.04% | 1.25% |
| U.S. Treasury Bonds | 1.14% | 2.42% | 1.14% |
| U.S. Treasury Bonds | 1.13% | 2.35% | 1.13% |
| U.S. Treasury Bonds | 1.12% | 2.81% | 1.12% |
| U.S. Treasury Bonds | 1.25% | 1.09% | 1.09% |
| U.S. Treasury Bonds | 1.08% | 2.55% | 1.08% |
| U.S. Treasury Bonds | 1.06% | 2.73% | 1.06% |
| U.S. Treasury Bonds | 1.04% | 1.06% | 1.04% |
Frequently Asked Questions
How much do VGLT and TLT overlap?
VGLT and TLT overlap by 51.3% of portfolio weight. They share 45 holdings (VGLT holds 97 positions and TLT holds 46), based on each fund's latest SEC-reported holdings.
Is it redundant to own both VGLT and TLT?
The two portfolios are 51.3% 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 VGLT and TLT?
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 42% of the total overlap.
What does VGLT own that TLT doesn't?
52 positions (40.0% of VGLT) are unique to VGLT, led by U.S. Treasury Bonds, U.S. Treasury Bonds and U.S. Treasury Bonds. In the other direction, 1 positions (0.5% of TLT) are unique to TLT.