ETF comparison
BLV vs TLT
US Aggregate Bond vs US Treasury (Long).
Vanguard Long-Term Bond Index Fund ETF Shares · iShares 20+ Year Treasury Bond ETF
Holdings overlap
46 positions appear in both funds. Buying equal dollars of BLV and TLT would leave roughly 28.3% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
BLV is 12 bps cheaper than TLT. On a $100,000 position that's about $120/yr more in fees for TLT.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with BLV vs TLT.
Top shared holdings
46 shared in total| # | Holding | In BLV | In TLT | Overlap |
|---|---|---|---|---|
| 1 | United States Treasury Note/Bond | 1.17% | 2.90% | 1.17% |
| 2 | United States Treasury Note/Bond | 1.15% | 4.46% | 1.15% |
| 3 | United States Treasury Note/Bond | 1.14% | 3.46% | 1.14% |
| 4 | United States Treasury Note/Bond | 1.13% | 3.80% | 1.13% |
| 5 | United States Treasury Note/Bond | 1.13% | 4.40% | 1.13% |
| 6 | United States Treasury Note/Bond | 1.10% | 4.50% | 1.10% |
| 7 | United States Treasury Note/Bond | 1.08% | 3.94% | 1.08% |
| 8 | United States Treasury Note/Bond | 1.08% | 4.03% | 1.08% |
| 9 | United States Treasury Note/Bond | 1.06% | 2.54% | 1.06% |
| 10 | United States Treasury Note/Bond | 0.97% | 3.95% | 0.97% |
| 11 | United States Treasury Note/Bond | 0.96% | 4.58% | 0.96% |
| 12 | United States Treasury Note/Bond | 0.86% | 3.62% | 0.86% |
Only in BLV
2,937 total- United States Treasury Note/Bond 0.85%
- United States Treasury Note/Bond 0.77%
- United States Treasury Note/Bond 0.75%
- United States Treasury Note/Bond 0.75%
- United States Treasury Note/Bond 0.73%
- United States Treasury Note/Bond 0.72%
- United States Treasury Note/Bond 0.70%
- United States Treasury Note/Bond 0.69%
- United States Treasury Note/Bond 0.69%
- United States Treasury Note/Bond 0.68%
Only in TLT
0 totalEvery TLT position is also held by BLV.
Related comparisons
More comparisons with BLV
- BLV vs BND · Vanguard Total Bond Market Index Fund ETF Shares 18.5%
- BLV vs SCHZ · Schwab U.S. Aggregate Bond ETF 17.2%
- BLV vs SPAB · State Street SPDR Portfolio Aggregate Bond ETF 17.1%
- BLV vs AGG · iShares Core U.S. Aggregate Bond ETF 16.9%
- BLV vs EAGG · iShares ESG U.S. Aggregate Bond ETF 16.0%
- BLV vs GOVT · iShares U.S. Treasury Bond ETF 14.8%
More comparisons with TLT
- TLT vs FBND · Fidelity Total Bond ETF 11.6%
- TLT vs GOVT · iShares U.S. Treasury Bond ETF 11.4%
- TLT vs BND · Vanguard Total Bond Market Index Fund ETF Shares 5.6%
- TLT vs EAGG · iShares ESG U.S. Aggregate Bond ETF 5.2%
- TLT vs SCHZ · Schwab U.S. Aggregate Bond ETF 5.2%
- TLT vs AGG · iShares Core U.S. Aggregate Bond ETF 5.1%
Percentages are holdings overlap with the named fund.
Open BLV or TLT at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.