ETF comparison
TLT vs ZROZ
Both US Treasury (Long).
iShares 20+ Year Treasury Bond ETF · PIMCO 25+ Year Zero Coupon U.S. Treasury Index Exchange-Traded Fund
Holdings overlap
0 positions appear in both funds. Buying equal dollars of TLT and ZROZ would leave roughly 0.0% 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
Expense ratios are effectively identical (0.15% vs 0.15%).
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 TLT vs ZROZ.
Top shared holdings
0 shared in totalNo shared holdings between these funds.
Only in TLT
46 total- United States of America 4.58%
- United States of America 4.50%
- United States of America 4.46%
- United States of America 4.40%
- United States of America 4.15%
- United States of America 4.04%
- United States of America 4.03%
- United States of America 3.95%
- United States of America 3.94%
- United States of America 3.86%
Only in ZROZ
20 total- United States Treasury 5.55%
- United States Treasury 5.48%
- United States Treasury 5.42%
- United States Treasury 5.40%
- United States Treasury 5.29%
- United States Treasury 5.27%
- United States Treasury 5.26%
- United States Treasury 5.26%
- United States Treasury 5.23%
- United States Treasury 5.16%
Related comparisons
More comparisons with TLT
- TLT vs SPTL · State Street SPDR Portfolio Long Term Treasury ETF 51.6%
- 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%
More comparisons with ZROZ
- ZROZ vs VGLT · Vanguard Long-Term Treasury Index Fund ETF Shares 0.0%
- ZROZ vs VGSH · Vanguard Short-Term Treasury Index Fund ETF Shares 0.0%
- ZROZ vs VTIP · Vanguard Short-Term Inflation-Protected Securities Index Fund ETF Shares 0.0%
- ZROZ vs EDV · Vanguard Extended Duration Treasury Index Fund ETF Shares 24.1%
- ZROZ vs AGG · iShares Core U.S. Aggregate Bond ETF 0.0%
- ZROZ vs BND · Vanguard Total Bond Market Index Fund ETF Shares 0.0%
Percentages are holdings overlap with the named fund.
Open TLT or ZROZ 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.