ETF comparison
SPTL vs TLT
Both US Treasury (Long).
State Street SPDR Portfolio Long Term Treasury ETF · iShares 20+ Year Treasury Bond ETF
Holdings overlap
46 positions appear in both funds. Buying equal dollars of SPTL and TLT would leave roughly 51.6% 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
SPTL 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 SPTL vs TLT.
Top shared holdings
46 shared in total| # | Holding | In SPTL | In TLT | Overlap |
|---|---|---|---|---|
| 1 | United States Treasury | 2.21% | 4.46% | 2.21% |
| 2 | United States Treasury | 2.20% | 2.90% | 2.20% |
| 3 | United States Treasury | 2.19% | 3.95% | 2.19% |
| 4 | United States Treasury | 2.17% | 2.54% | 2.17% |
| 5 | United States Treasury | 2.16% | 4.40% | 2.16% |
| 6 | United States Treasury | 2.14% | 3.80% | 2.14% |
| 7 | United States Treasury | 2.11% | 4.50% | 2.11% |
| 8 | United States Treasury | 2.11% | 3.46% | 2.11% |
| 9 | United States Treasury | 2.04% | 3.94% | 2.04% |
| 10 | United States Treasury | 2.04% | 4.03% | 2.04% |
| 11 | United States Treasury | 1.80% | 4.58% | 1.80% |
| 12 | United States Treasury | 1.61% | 3.62% | 1.61% |
Only in SPTL
53 total- United States Treasury 1.52%
- United States Treasury 1.41%
- United States Treasury 1.39%
- United States Treasury 1.37%
- United States Treasury 1.36%
- United States Treasury 1.35%
- United States Treasury 1.34%
- United States Treasury 1.34%
- United States Treasury 1.32%
- United States Treasury 1.31%
Only in TLT
0 totalEvery TLT position is also held by SPTL.
Related comparisons
More comparisons with SPTL
- SPTL vs TLH · iShares 10-20 Year Treasury Bond ETF 41.3%
- SPTL vs GOVT · iShares U.S. Treasury Bond ETF 16.7%
- SPTL vs BND · Vanguard Total Bond Market Index Fund ETF Shares 10.2%
- SPTL vs SCHZ · Schwab U.S. Aggregate Bond ETF 9.5%
- SPTL vs AGG · iShares Core U.S. Aggregate Bond ETF 9.3%
- SPTL vs BNDX · Vanguard Total International Bond Index Fund ETF Shares 0.0%
More comparisons with TLT
- TLT vs VGLT · Vanguard Long-Term Treasury Index Fund ETF Shares 51.3%
- TLT vs BLV · Vanguard Long-Term Bond Index Fund ETF Shares 28.3%
- 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%
Percentages are holdings overlap with the named fund.
Open SPTL 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.