ETF comparison
IAGG vs TLT
International Bond vs US Treasury (Long).
iShares Core International Aggregate Bond ETF · iShares 20+ Year Treasury Bond ETF
Holdings overlap
0 positions appear in both funds. Buying equal dollars of IAGG and TLT 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
IAGG is 8 bps cheaper than TLT. On a $100,000 position that's about $80/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 IAGG vs TLT.
Top shared holdings
0 shared in totalNo shared holdings between these funds.
Only in IAGG
8,127 total- CHINA GOVERNMENT BOND 1.11%
- CHINA GOVERNMENT BOND 0.76%
- CHINA GOVERNMENT BOND 0.70%
- CHINA GOVERNMENT BOND 0.55%
- CHINA GOVERNMENT BOND 0.54%
- CHINA GOVERNMENT BOND 0.53%
- CHINA GOVERNMENT BOND 0.45%
- Bundesobligation 0.43%
- CHINA GOVERNMENT BOND 0.42%
- CHINA DEVELOPMENT BANK 0.35%
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%
Related comparisons
More comparisons with IAGG
- IAGG vs VGLT · Vanguard Long-Term Treasury Index Fund ETF Shares 0.0%
- IAGG vs VGSH · Vanguard Short-Term Treasury Index Fund ETF Shares 0.0%
- IAGG vs VTIP · Vanguard Short-Term Inflation-Protected Securities Index Fund ETF Shares 0.0%
- IAGG vs VWOB · Vanguard Emerging Markets Government Bond Index Fund ETF Shares 0.0%
- IAGG vs BNDX · Vanguard Total International Bond Index Fund ETF Shares 48.7%
- IAGG vs IGOV · iShares International Treasury Bond ETF 37.6%
More comparisons with TLT
- TLT vs ICSH · iShares Ultra Short Duration Bond Active ETF 0.0%
- TLT vs ICVT · iShares Convertible Bond ETF 0.0%
- TLT vs IEF · iShares 7-10 Year Treasury Bond ETF 0.0%
- TLT vs IEI · iShares 3-7 Year Treasury Bond ETF 0.0%
- TLT vs IGIB · iShares 5-10 Year Investment Grade Corporate Bond ETF 0.0%
- TLT vs IGLB · iShares 10+ Year Investment Grade Corporate Bond ETF 0.0%
Percentages are holdings overlap with the named fund.
Open IAGG 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.