IAGG vs FBND: Holdings Overlap
IAGGiShares Core International Aggregate Bond ETF
iShares · 7836 holdings · $11.4B · as of 2026-04-30
Fidelity · 4503 holdings · $27.3B · as of 2026-05-31
Holdings snapshots are 31 days apart (IAGG: 2026-04-30, FBND: 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 IAGG and FBND?
iShares Core International Aggregate Bond ETF (IAGG, by iShares) holds 7836 positions; Fidelity Total Bond ETF (FBND, by Fidelity) holds 4503. They have 105 holdings in common, and by portfolio weight the two funds are 0.4% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 105IAGG holds 7836 · FBND holds 4503
- Weight in Shared Holdings
- IAGG 1%·FBND 1%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 IAGG
7731 of 7836 positions (99.3% of the fund) are not held by FBND. Showing the top 30 by weight.
- China Government Bond0.70%
- China Government Bond0.70%
- China Government Bond0.54%
- China Development Bank0.52%
- China Government Bond0.51%
- China Government Bond0.49%
Only in FBND
4398 of 4503 positions (104.6% of the fund) are not held by IAGG. Showing the top 30 by weight.
- U.S. Treasury Notes2.34%
- U.S. Treasury Notes2.21%
- U.S. Treasury Notes2.17%
- U.S. Treasury Notes1.81%
- U.S. Treasury Bonds1.53%
- U.S. Treasury Notes1.49%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IAGG | +0.2% | +1.5% | +2.1% | +4.8% | +0.9% | +2.0% | 4.50% |
| FBND | -0.2% | +0.3% | +2.8% | +4.9% | +0.5% | +2.3% | 4.74% |
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 IAGG vs FBND →
Shared Holdings(105)
The top 10 shared positions account for 45% of the overlap, led by European Union, European Union and Canada Government Bonds.
| European Union | 0.06% | 0.08% | 0.06% |
|---|---|---|---|
| European Union | 0.05% | 0.03% | 0.03% |
| Canada Government Bonds | 0.08% | 0.03% | 0.03% |
| Kreditanstalt fuer Wiederaufbau | 0.01% | 0.09% | 0.01% |
| European Union | 0.06% | 0.01% | 0.01% |
| Romanian Government International Bonds | 0.01% | 0.01% | 0.01% |
| Japan Government Ten Year Bonds | 0.07% | 0.01% | 0.01% |
| Toronto-Dominion Bank/The | 0.02% | 0.01% | 0.01% |
| Canada Government Bonds | 0.03% | 0.01% | 0.01% |
| P3 Group Sarl | 0.01% | 0.01% | 0.01% |
| Electricite de France SA | 0.01% | 0.01% | 0.01% |
| Scottish Hydro Electric Transmission PLC | 0.01% | 0.01% | 0.01% |
| Motability Operations Group PLC | 0.01% | 0.01% | 0.01% |
| Blackstone Property Partners Europe Holdings Sarl | 0.01% | 0.01% | 0.01% |
| Lloyds Banking Group PLC | 0.01% | 0.01% | 0.01% |
| BAT International Finance PLC | 0.01% | 0.01% | 0.01% |
| Engie SA | 0.01% | 0.01% | 0.01% |
| SW Finance I PLC | 0.01% | 0.01% | 0.01% |
| BNP Paribas SA | 0.01% | 0.01% | 0.01% |
| EnBW International Finance BV | 0.00% | 0.01% | 0.00% |
| FISERV FUNDING UNLTD CO 3.5% 06/15/2032 | 0.00% | 0.00% | 0.00% |
| IHG Finance LLC | 0.01% | 0.00% | 0.00% |
| Northumbrian Water Finance PLC | 0.01% | 0.00% | 0.00% |
| Barry Callebaut Services NV | 0.00% | 0.01% | 0.00% |
| AMERICAN TOWER CORP 3.625% 05/30/2032 | 0.00% | 0.01% | 0.00% |
Frequently Asked Questions
How much do IAGG and FBND overlap?
IAGG and FBND overlap by 0.4% of portfolio weight. They share 105 holdings (IAGG holds 7836 positions and FBND holds 4503), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IAGG and FBND?
The two portfolios are 0.4% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IAGG and FBND?
The largest positions held by both funds are European Union, European Union, Canada Government Bonds, Kreditanstalt fuer Wiederaufbau and European Union. Together the top 10 shared positions account for 45% of the total overlap.
What does IAGG own that FBND doesn't?
7731 positions (99.3% of IAGG) are unique to IAGG, led by China Government Bond, China Government Bond and China Government Bond. In the other direction, 4398 positions (104.6% of FBND) are unique to FBND.