AGG vs FBND: Holdings Overlap
AGGiShares Core U.S. Aggregate Bond ETF
iShares · 13266 holdings · $137.7B · as of 2026-05-31
Fidelity · 4503 holdings · $27.3B · as of 2026-05-31
How similar are AGG and FBND?
iShares Core U.S. Aggregate Bond ETF (AGG, by iShares) holds 13266 positions; Fidelity Total Bond ETF (FBND, by Fidelity) holds 4503. They have 646 holdings in common, and by portfolio weight the two funds are 14.6% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 14.6%Sum of the smaller weight of each shared holding
- Shared Holdings
- 646AGG holds 13266 · FBND holds 4503
- Weight in Shared Holdings
- AGG 21%·FBND 63%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 AGG
12620 of 13266 positions (77.7% of the fund) are not held by FBND. Showing the top 30 by weight.
- U.S. Treasury Notes0.35%
- U.S. Treasury Notes0.33%
- U.S. Treasury Notes0.32%
- U.S. Treasury Notes0.31%
- U.S. Treasury Notes0.31%
- U.S. Treasury Notes0.30%
Only in FBND
3857 of 4503 positions (42.0% of the fund) are not held by AGG. Showing the top 30 by weight.
- UMBS 30YR 2% 07/01/2056 #TBA0.83%
- GNII II 5.5% 07/01/2056 #TBA0.76%
- G2-30YR-Multi0.32%
- WELLS FARGO and CO NEW 3.526%/VAR 03/24/20280.29%
- Petroleos Mexicanos0.28%
- GNII II 6% 07/01/2056 #TBA0.27%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| AGG | -0.3% | +0.0% | +2.4% | +4.2% | -0.2% | +1.4% | 4.04% |
| 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 AGG vs FBND →
Shared Holdings(646)
The top 10 shared positions account for 26% of the overlap, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes.
| U.S. Treasury Notes | 0.42% | 0.87% | 0.42% |
|---|---|---|---|
| U.S. Treasury Notes | 0.41% | 1.02% | 0.41% |
| U.S. Treasury Notes | 0.40% | 1.81% | 0.40% |
| U.S. Treasury Notes | 0.40% | 0.48% | 0.40% |
| U.S. Treasury Notes | 0.39% | 2.17% | 0.39% |
| U.S. Treasury Notes | 0.39% | 0.93% | 0.39% |
| U.S. Treasury Notes | 0.38% | 0.47% | 0.38% |
| U.S. Treasury Notes | 0.37% | 2.21% | 0.37% |
| U.S. Treasury Notes | 0.35% | 0.35% | 0.35% |
| U.S. Treasury Notes | 0.33% | 0.54% | 0.33% |
| U.S. Treasury Notes | 0.31% | 0.59% | 0.31% |
| U.S. Treasury Notes | 0.29% | 0.32% | 0.29% |
| U.S. Treasury Bonds | 0.21% | 1.12% | 0.21% |
| U.S. Treasury Bonds | 0.21% | 1.04% | 0.21% |
| U.S. Treasury Bonds | 0.21% | 0.82% | 0.21% |
| U.S. Treasury Bonds | 0.21% | 0.39% | 0.21% |
| U.S. Treasury Bonds | 0.20% | 1.26% | 0.20% |
| U.S. Treasury Bonds | 0.20% | 0.75% | 0.20% |
| U.S. Treasury Notes | 0.20% | 0.30% | 0.20% |
| Uniform Mortgage-Backed Security, TBA | 0.20% | 0.44% | 0.20% |
| U.S. Treasury Bonds | 0.20% | 1.53% | 0.20% |
| U.S. Treasury Bonds | 0.18% | 0.47% | 0.18% |
| U.S. Treasury Bonds | 0.18% | 0.84% | 0.18% |
| U.S. Treasury Bonds | 0.18% | 0.83% | 0.18% |
| U.S. Treasury Notes | 0.17% | 0.50% | 0.17% |
Showing the top 250 of 646 shared holdings by overlap weight.
Frequently Asked Questions
How much do AGG and FBND overlap?
AGG and FBND overlap by 14.6% of portfolio weight. They share 646 holdings (AGG holds 13266 positions and FBND holds 4503), based on each fund's latest SEC-reported holdings.
Is it redundant to own both AGG and FBND?
The two portfolios are 14.6% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of AGG and FBND?
The largest positions held by both funds are U.S. Treasury Notes, U.S. Treasury Notes, U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes. Together the top 10 shared positions account for 26% of the total overlap.
What does AGG own that FBND doesn't?
12620 positions (77.7% of AGG) are unique to AGG, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes. In the other direction, 3857 positions (42.0% of FBND) are unique to FBND.