AGG vs BOND: Holdings Overlap
AGGiShares Core U.S. Aggregate Bond ETF
iShares · 13266 holdings · $137.7B · as of 2026-05-31
BONDPIMCO Active Bond Exchange-Traded Fund
PIMCO · 1518 holdings · $8.5B · as of 2026-03-31
Holdings snapshots are 61 days apart (AGG: 2026-05-31, BOND: 2026-03-31). 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 AGG and BOND?
iShares Core U.S. Aggregate Bond ETF (AGG, by iShares) holds 13266 positions; PIMCO Active Bond Exchange-Traded Fund (BOND, by PIMCO) holds 1518. They have 304 holdings in common, and by portfolio weight the two funds are 2.5% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 2.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 304AGG holds 13266 · BOND holds 1518
- Weight in Shared Holdings
- AGG 3%·BOND 41%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
12962 of 13266 positions (95.7% of the fund) are not held by BOND. Showing the top 30 by weight.
- U.S. Treasury Notes0.42%
- U.S. Treasury Notes0.41%
- U.S. Treasury Notes0.41%
- U.S. Treasury Notes0.40%
- U.S. Treasury Notes0.40%
- U.S. Treasury Notes0.39%
Only in BOND
1214 of 1518 positions (79.0% of the fund) are not held by AGG. Showing the top 30 by weight.
- Uniform Mortgage-Backed Securities4.28%
- PIMCO MORTGAGE BACKED SECURITI PIMCO MBS ACTIVE ETF3.49%
- FED HM LN PC POOL SD7578 FR 04/55 FIXED 62.11%
- U.S. Treasury Inflation-Indexed Notes2.06%
- FED HM LN PC POOL SD8366 FR 10/53 FIXED 51.95%
- Fannie Mae Pool1.36%
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% |
| BOND | -0.3% | +0.5% | +3.6% | +5.2% | +0.2% | +2.1% | 5.23% |
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 BOND →
Shared Holdings(304)
The top 10 shared positions account for 51% of the overlap, led by U.S. Treasury Notes, U.S. Treasury Bonds and Uniform Mortgage-Backed Security, TBA.
| U.S. Treasury Notes | 0.37% | 0.29% | 0.29% |
|---|---|---|---|
| U.S. Treasury Bonds | 0.21% | 0.41% | 0.21% |
| Uniform Mortgage-Backed Security, TBA | 0.13% | 6.16% | 0.13% |
| U.S. Treasury Bonds | 0.13% | 1.41% | 0.13% |
| U.S. Treasury Bonds | 0.12% | 3.66% | 0.12% |
| Uniform Mortgage-Backed Security, TBA | 0.10% | 0.47% | 0.10% |
| U.S. Treasury Bonds | 0.16% | 0.10% | 0.10% |
| U.S. Treasury Bonds | 0.09% | 2.27% | 0.09% |
| Uniform Mortgage-Backed Securities | 0.05% | 0.35% | 0.05% |
| Uniform Mortgage-Backed Security, TBA | 0.05% | 2.45% | 0.05% |
| Uniform Mortgage-Backed Securities | 0.04% | 1.58% | 0.04% |
| Uniform Mortgage-Backed Securities | 0.04% | 0.85% | 0.04% |
| U.S. Treasury Bonds | 0.03% | 2.09% | 0.03% |
| Freddie Mac Pool | 0.02% | 0.83% | 0.02% |
| Bank of America Corp. | 0.02% | 0.14% | 0.02% |
| Uniform Mortgage-Backed Securities | 0.02% | 0.35% | 0.02% |
| Wells Fargo & Co. | 0.02% | 0.25% | 0.02% |
| Goldman Sachs Group, Inc. (The) | 0.02% | 0.12% | 0.02% |
| JPMorgan Chase & Co. | 0.01% | 0.24% | 0.01% |
| Bank of America Corp. | 0.01% | 0.27% | 0.01% |
| Mexico Government International Bonds | 0.01% | 0.09% | 0.01% |
| Bank of America Corp. | 0.01% | 0.11% | 0.01% |
| AerCap Ireland Capital DAC / AerCap Global Aviation Trust | 0.01% | 0.03% | 0.01% |
| JPMorgan Chase & Co. | 0.01% | 0.15% | 0.01% |
| Goldman Sachs Group, Inc. (The) | 0.01% | 0.24% | 0.01% |
Showing the top 250 of 304 shared holdings by overlap weight.
Frequently Asked Questions
How much do AGG and BOND overlap?
AGG and BOND overlap by 2.5% of portfolio weight. They share 304 holdings (AGG holds 13266 positions and BOND holds 1518), based on each fund's latest SEC-reported holdings.
Is it redundant to own both AGG and BOND?
The two portfolios are 2.5% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of AGG and BOND?
The largest positions held by both funds are U.S. Treasury Notes, U.S. Treasury Bonds, Uniform Mortgage-Backed Security, TBA, U.S. Treasury Bonds and U.S. Treasury Bonds. Together the top 10 shared positions account for 51% of the total overlap.
What does AGG own that BOND doesn't?
12962 positions (95.7% 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, 1214 positions (79.0% of BOND) are unique to BOND.