BLV vs TLH: Holdings Overlap
BLVVanguard Long-term Bond Index Fund
Vanguard · 3013 holdings · $5.8B · as of 2026-03-31
TLHiShares 10-20 Year Treasury Bond ETF
iShares · 66 holdings · $10.9B · as of 2026-05-31
Holdings snapshots are 61 days apart (BLV: 2026-03-31, TLH: 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 TLH?
Vanguard Long-term Bond Index Fund (BLV, by Vanguard) holds 3013 positions; iShares 10-20 Year Treasury Bond ETF (TLH, by iShares) holds 66. They have 58 holdings in common, and by portfolio weight the two funds are 22.2% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 22.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 58BLV holds 3013 · TLH holds 66
- Weight in Shared Holdings
- BLV 24%·TLH 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
2955 of 3013 positions (74.8% of the fund) are not held by TLH. Showing the top 30 by weight.
- U.S. Treasury Bonds1.23%
- U.S. Treasury Bonds1.21%
- U.S. Treasury Bonds1.18%
- U.S. Treasury Bonds1.18%
- U.S. Treasury Bonds1.18%
- U.S. Treasury Bonds1.14%
Only in TLH
8 of 66 positions (0.3% of the fund) are not held by BLV.
- U.S. Treasury Notes0.11%
- U.S. Treasury Notes0.08%
- U.S. Treasury Notes0.04%
- U.S. Treasury Notes0.03%
- U.S. Treasury Bonds0.02%
- U.S. Treasury Notes0.01%
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% |
| TLH | -1.2% | -2.0% | +0.1% | +1.6% | -5.0% | -1.2% | 4.59% |
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 TLH →
Shared Holdings(58)
The top 10 shared positions account for 36% of the overlap, led by U.S. Treasury Bonds, U.S. Treasury Bonds and U.S. Treasury Bonds.
| U.S. Treasury Bonds | 0.93% | 3.71% | 0.93% |
|---|---|---|---|
| U.S. Treasury Bonds | 0.87% | 5.54% | 0.87% |
| U.S. Treasury Bonds | 0.86% | 3.44% | 0.86% |
| U.S. Treasury Bonds | 0.81% | 3.18% | 0.81% |
| U.S. Treasury Bonds | 0.80% | 3.42% | 0.80% |
| U.S. Treasury Bonds | 0.77% | 3.31% | 0.77% |
| U.S. Treasury Bonds | 0.76% | 3.07% | 0.76% |
| U.S. Treasury Bonds | 0.73% | 2.30% | 0.73% |
| U.S. Treasury Bonds | 0.70% | 3.95% | 0.70% |
| U.S. Treasury Bonds | 0.69% | 3.33% | 0.69% |
| U.S. Treasury Bonds | 0.65% | 2.90% | 0.65% |
| U.S. Treasury Bonds | 0.64% | 2.60% | 0.64% |
| U.S. Treasury Bonds | 0.63% | 1.06% | 0.63% |
| U.S. Treasury Bonds | 0.63% | 2.51% | 0.63% |
| U.S. Treasury Bonds | 0.61% | 3.97% | 0.61% |
| U.S. Treasury Bonds | 0.59% | 2.35% | 0.59% |
| U.S. Treasury Bonds | 0.58% | 3.51% | 0.58% |
| U.S. Treasury Bonds | 0.58% | 1.83% | 0.58% |
| U.S. Treasury Bonds | 0.56% | 3.32% | 0.56% |
| U.S. Treasury Bonds | 0.55% | 2.43% | 0.55% |
| U.S. Treasury Bonds | 0.52% | 3.26% | 0.52% |
| U.S. Treasury Bonds | 0.51% | 1.62% | 0.51% |
| U.S. Treasury Bonds | 0.46% | 1.70% | 0.46% |
| U.S. Treasury Bonds | 0.43% | 1.29% | 0.43% |
| U.S. Treasury Bonds | 0.41% | 2.63% | 0.41% |
Frequently Asked Questions
How much do BLV and TLH overlap?
BLV and TLH overlap by 22.2% of portfolio weight. They share 58 holdings (BLV holds 3013 positions and TLH holds 66), based on each fund's latest SEC-reported holdings.
Is it redundant to own both BLV and TLH?
The two portfolios are 22.2% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of BLV and TLH?
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 36% of the total overlap.
What does BLV own that TLH doesn't?
2955 positions (74.8% of BLV) are unique to BLV, led by U.S. Treasury Bonds, U.S. Treasury Bonds and U.S. Treasury Bonds. In the other direction, 8 positions (0.3% of TLH) are unique to TLH.