AGG vs FLCB: Holdings Overlap
AGGiShares Core U.S. Aggregate Bond ETF
iShares · 13266 holdings · $137.7B · as of 2026-05-31
FLCBFranklin U.S. Core Bond ETF
Franklin Templeton · 523 holdings · $3.0B · as of 2026-03-31
Holdings snapshots are 61 days apart (AGG: 2026-05-31, FLCB: 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 FLCB?
iShares Core U.S. Aggregate Bond ETF (AGG, by iShares) holds 13266 positions; Franklin U.S. Core Bond ETF (FLCB, by Franklin Templeton) holds 523. They have 303 holdings in common, and by portfolio weight the two funds are 7.2% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 7.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 303AGG holds 13266 · FLCB holds 523
- Weight in Shared Holdings
- AGG 8%·FLCB 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
12963 of 13266 positions (90.8% of the fund) are not held by FLCB. 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 FLCB
220 of 523 positions (37.4% of the fund) are not held by AGG. Showing the top 30 by weight.
- T 1.25 12/31/266.01%
- Uniform Mortgage-Backed Security, TBA2.38%
- U.S. Treasury Notes1.49%
- FN MA51900.70%
- FN CC08940.66%
- Fannie Mae Pool0.64%
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% |
| FLCB | -0.2% | +0.1% | +2.6% | +4.3% | -0.3% | — | 4.38% |
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 FLCB →
Shared Holdings(303)
The top 10 shared positions account for 31% of the overlap, led by U.S. Treasury Notes, U.S. Treasury Notes and Uniform Mortgage-Backed Securities.
| U.S. Treasury Notes | 0.39% | 0.79% | 0.39% |
|---|---|---|---|
| U.S. Treasury Notes | 0.27% | 0.47% | 0.27% |
| Uniform Mortgage-Backed Securities | 0.22% | 0.47% | 0.22% |
| U.S. Treasury Notes | 0.21% | 4.27% | 0.21% |
| U.S. Treasury Bonds | 0.21% | 1.05% | 0.21% |
| U.S. Treasury Notes | 0.20% | 1.29% | 0.20% |
| U.S. Treasury Bonds | 0.20% | 0.38% | 0.20% |
| U.S. Treasury Notes | 0.19% | 0.99% | 0.19% |
| U.S. Treasury Bonds | 0.18% | 0.48% | 0.18% |
| U.S. Treasury Bonds | 0.16% | 0.42% | 0.16% |
| U.S. Treasury Bonds | 0.16% | 0.98% | 0.16% |
| U.S. Treasury Bonds | 0.16% | 0.50% | 0.16% |
| U.S. Treasury Bonds | 0.16% | 0.28% | 0.16% |
| U.S. Treasury Bonds | 0.14% | 0.23% | 0.14% |
| U.S. Treasury Notes | 0.14% | 2.07% | 0.14% |
| U.S. Treasury Notes | 0.13% | 2.18% | 0.13% |
| U.S. Treasury Notes | 0.13% | 1.25% | 0.13% |
| U.S. Treasury Notes | 0.13% | 0.94% | 0.13% |
| U.S. Treasury Notes | 0.13% | 0.34% | 0.13% |
| U.S. Treasury Notes | 0.13% | 0.84% | 0.13% |
| Uniform Mortgage-Backed Securities | 0.12% | 0.23% | 0.12% |
| Government National Mortgage Association | 0.11% | 0.19% | 0.11% |
| U.S. Treasury Notes | 0.11% | 0.23% | 0.11% |
| Uniform Mortgage-Backed Securities | 0.10% | 0.15% | 0.10% |
| U.S. Treasury Notes | 0.10% | 1.14% | 0.10% |
Showing the top 250 of 303 shared holdings by overlap weight.
Frequently Asked Questions
How much do AGG and FLCB overlap?
AGG and FLCB overlap by 7.2% of portfolio weight. They share 303 holdings (AGG holds 13266 positions and FLCB holds 523), based on each fund's latest SEC-reported holdings.
Is it redundant to own both AGG and FLCB?
The two portfolios are 7.2% 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 FLCB?
The largest positions held by both funds are U.S. Treasury Notes, U.S. Treasury Notes, Uniform Mortgage-Backed Securities, U.S. Treasury Notes and U.S. Treasury Bonds. Together the top 10 shared positions account for 31% of the total overlap.
What does AGG own that FLCB doesn't?
12963 positions (90.8% 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, 220 positions (37.4% of FLCB) are unique to FLCB.