GOVT vs AGG: Holdings Overlap
GOVTiShares U.S. Treasury Bond ETF
iShares · 223 holdings · $43.7B · as of 2026-04-30
AGGiShares Core U.S. Aggregate Bond ETF
iShares · 13266 holdings · $137.7B · as of 2026-05-31
Holdings snapshots are 31 days apart (GOVT: 2026-04-30, AGG: 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 GOVT and AGG?
iShares U.S. Treasury Bond ETF (GOVT, by iShares) holds 223 positions; iShares Core U.S. Aggregate Bond ETF (AGG, by iShares) holds 13266. They have 203 holdings in common, and by portfolio weight the two funds are 32.0% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 32.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 203GOVT holds 223 · AGG holds 13266
- Weight in Shared Holdings
- GOVT 96%·AGG 35%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 GOVT
20 of 223 positions (2.8% of the fund) are not held by AGG.
- U.S. Treasury Bonds1.37%
- U.S. Treasury Notes0.46%
- U.S. Treasury Notes0.33%
- U.S. Treasury Notes0.19%
- U.S. Treasury Notes0.12%
- U.S. Treasury Notes0.07%
Only in AGG
13063 of 13266 positions (63.9% of the fund) are not held by GOVT. Showing the top 30 by weight.
- U.S. Treasury Notes0.35%
- U.S. Treasury Notes0.33%
- U.S. Treasury Notes0.29%
- U.S. Treasury Notes0.23%
- U.S. Treasury Notes0.23%
- U.S. Treasury Notes0.23%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| GOVT | -0.2% | -0.3% | +1.6% | +3.3% | -0.8% | +0.7% | 3.64% |
| AGG | -0.3% | +0.0% | +2.4% | +4.2% | -0.2% | +1.4% | 4.04% |
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 GOVT vs AGG →
Shared Holdings(203)
The top 10 shared positions account for 12% of the overlap, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes.
| U.S. Treasury Notes | 0.44% | 0.42% | 0.42% |
|---|---|---|---|
| U.S. Treasury Notes | 0.78% | 0.41% | 0.41% |
| U.S. Treasury Notes | 0.94% | 0.41% | 0.41% |
| U.S. Treasury Notes | 0.93% | 0.40% | 0.40% |
| U.S. Treasury Notes | 0.82% | 0.40% | 0.40% |
| U.S. Treasury Notes | 0.62% | 0.39% | 0.39% |
| U.S. Treasury Notes | 0.81% | 0.39% | 0.39% |
| U.S. Treasury Notes | 0.99% | 0.39% | 0.39% |
| U.S. Treasury Notes | 0.61% | 0.39% | 0.39% |
| U.S. Treasury Notes | 0.84% | 0.38% | 0.38% |
| U.S. Treasury Notes | 0.49% | 0.37% | 0.37% |
| U.S. Treasury Notes | 0.48% | 0.35% | 0.35% |
| U.S. Treasury Notes | 0.52% | 0.33% | 0.33% |
| U.S. Treasury Notes | 0.76% | 0.33% | 0.33% |
| U.S. Treasury Notes | 5.25% | 0.32% | 0.32% |
| U.S. Treasury Notes | 0.85% | 0.31% | 0.31% |
| U.S. Treasury Notes | 0.62% | 0.31% | 0.31% |
| U.S. Treasury Notes | 0.33% | 0.31% | 0.31% |
| U.S. Treasury Notes | 0.37% | 0.30% | 0.30% |
| U.S. Treasury Notes | 1.01% | 0.30% | 0.30% |
| U.S. Treasury Notes | 0.82% | 0.29% | 0.29% |
| U.S. Treasury Notes | 0.64% | 0.29% | 0.29% |
| U.S. Treasury Notes | 0.52% | 0.29% | 0.29% |
| U.S. Treasury Notes | 0.61% | 0.28% | 0.28% |
| U.S. Treasury Notes | 0.49% | 0.27% | 0.27% |
Frequently Asked Questions
How much do GOVT and AGG overlap?
GOVT and AGG overlap by 32.0% of portfolio weight. They share 203 holdings (GOVT holds 223 positions and AGG holds 13266), based on each fund's latest SEC-reported holdings.
Is it redundant to own both GOVT and AGG?
The two portfolios are 32.0% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of GOVT and AGG?
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 12% of the total overlap.
What does GOVT own that AGG doesn't?
20 positions (2.8% of GOVT) are unique to GOVT, led by U.S. Treasury Bonds, U.S. Treasury Notes and U.S. Treasury Notes. In the other direction, 13063 positions (63.9% of AGG) are unique to AGG.