AGG vs TLT: Holdings Overlap
AGGiShares Core U.S. Aggregate Bond ETF
iShares · 13266 holdings · $137.7B · as of 2026-05-31
TLTiShares 20+ Year Treasury Bond ETF
iShares · 46 holdings · $41.6B · as of 2026-05-31
How similar are AGG and TLT?
iShares Core U.S. Aggregate Bond ETF (AGG, by iShares) holds 13266 positions; iShares 20+ Year Treasury Bond ETF (TLT, by iShares) holds 46. They have 45 holdings in common, and by portfolio weight the two funds are 5.0% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 5.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 45AGG holds 13266 · TLT holds 46
- Weight in Shared Holdings
- AGG 5%·TLT 98%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
13221 of 13266 positions (93.0% of the fund) are not held by TLT. 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 TLT
1 of 46 positions (0.5% of the fund) are not held by AGG.
- U.S. Treasury Bonds0.54%
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% |
| TLT | -1.7% | -2.5% | -1.3% | -0.6% | -7.8% | -2.3% | 4.72% |
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 TLT →
Shared Holdings(45)
The top 10 shared positions account for 40% of the overlap, led by U.S. Treasury Bonds, U.S. Treasury Bonds and U.S. Treasury Bonds.
| U.S. Treasury Bonds | 0.21% | 4.50% | 0.21% |
|---|---|---|---|
| U.S. Treasury Bonds | 0.21% | 2.90% | 0.21% |
| U.S. Treasury Bonds | 0.21% | 4.46% | 0.21% |
| U.S. Treasury Bonds | 0.21% | 4.40% | 0.21% |
| U.S. Treasury Bonds | 0.21% | 3.80% | 0.21% |
| U.S. Treasury Bonds | 0.20% | 3.46% | 0.20% |
| U.S. Treasury Bonds | 0.20% | 3.94% | 0.20% |
| U.S. Treasury Bonds | 0.20% | 4.03% | 0.20% |
| U.S. Treasury Bonds | 0.18% | 4.58% | 0.18% |
| U.S. Treasury Bonds | 0.18% | 3.62% | 0.18% |
| U.S. Treasury Bonds | 0.18% | 2.54% | 0.18% |
| U.S. Treasury Bonds | 0.17% | 1.01% | 0.17% |
| U.S. Treasury Bonds | 0.16% | 3.95% | 0.16% |
| U.S. Treasury Bonds | 0.16% | 4.15% | 0.16% |
| U.S. Treasury Bonds | 0.16% | 1.03% | 0.16% |
| U.S. Treasury Bonds | 0.16% | 3.86% | 0.16% |
| U.S. Treasury Bonds | 0.16% | 2.97% | 0.16% |
| U.S. Treasury Bonds | 0.15% | 2.73% | 0.15% |
| U.S. Treasury Bonds | 0.15% | 1.33% | 0.15% |
| U.S. Treasury Bonds | 0.15% | 4.04% | 0.15% |
| U.S. Treasury Bonds | 0.14% | 2.81% | 0.14% |
| U.S. Treasury Bonds | 0.14% | 1.09% | 0.14% |
| U.S. Treasury Bonds | 0.11% | 2.42% | 0.11% |
| U.S. Treasury Bonds | 0.11% | 0.42% | 0.11% |
| U.S. Treasury Bonds | 0.09% | 2.14% | 0.09% |
Frequently Asked Questions
How much do AGG and TLT overlap?
AGG and TLT overlap by 5.0% of portfolio weight. They share 45 holdings (AGG holds 13266 positions and TLT holds 46), based on each fund's latest SEC-reported holdings.
Is it redundant to own both AGG and TLT?
The two portfolios are 5.0% 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 TLT?
The largest positions held by both funds are U.S. Treasury Bonds, U.S. Treasury Bonds, U.S. Treasury Bonds, U.S. Treasury Bonds and U.S. Treasury Bonds. Together the top 10 shared positions account for 40% of the total overlap.
What does AGG own that TLT doesn't?
13221 positions (93.0% 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, 1 positions (0.5% of TLT) are unique to TLT.