AGZ vs BSV: Holdings Overlap
iShares · 98 holdings · $563M · as of 2026-05-31
BSVVanguard Short-term Bond Index Fund
Vanguard · 3156 holdings · $45.6B · as of 2026-03-31
Holdings snapshots are 61 days apart (AGZ: 2026-05-31, BSV: 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 AGZ and BSV?
iShares Agency Bond ETF (AGZ, by iShares) holds 98 positions; Vanguard Short-term Bond Index Fund (BSV, by Vanguard) holds 3156. They have 19 holdings in common, and by portfolio weight the two funds are 0.2% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 19AGZ holds 98 · BSV holds 3156
- Weight in Shared Holdings
- AGZ 14%·BSV 0%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 AGZ
79 of 98 positions (79.9% of the fund) are not held by BSV. Showing the top 30 by weight.
- Federal National Mortgage Association13.29%
- Federal Home Loan Bank Bonds5.66%
- Federal National Mortgage Association5.66%
- Federal Farm Credit Bank Bonds4.70%
- Federal National Mortgage Association3.68%
- Federal National Mortgage Association3.55%
Only in BSV
3137 of 3156 positions (98.0% of the fund) are not held by AGZ. Showing the top 30 by weight.
- U.S. Treasury Notes1.16%
- U.S. Treasury Notes0.92%
- U.S. Treasury Notes0.91%
- U.S. Treasury Notes0.82%
- U.S. Treasury Notes0.80%
- U.S. Treasury Notes0.80%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| AGZ | +0.2% | +0.7% | +2.8% | +4.3% | +1.1% | +1.8% | 3.69% |
| BSV | +0.3% | +0.7% | +2.7% | +4.5% | +1.7% | +1.9% | 4.03% |
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 AGZ vs BSV →
Shared Holdings(19)
The top 10 shared positions account for 90% of the overlap, led by Federal Home Loan Bank Bonds, Federal Farm Credit Bank Bonds and Federal Home Loan Bank Bonds.
| Federal Home Loan Bank Bonds | 1.12% | 0.06% | 0.06% |
|---|---|---|---|
| Federal Farm Credit Bank Bonds | 0.67% | 0.02% | 0.02% |
| Federal Home Loan Bank Bonds | 0.18% | 0.02% | 0.02% |
| Federal Farm Credit Bank Bonds | 0.18% | 0.02% | 0.02% |
| Federal Home Loan Bank Bonds | 3.51% | 0.02% | 0.02% |
| Tennessee Valley Authority | 0.58% | 0.02% | 0.02% |
| Federal Home Loan Bank Bonds | 0.29% | 0.02% | 0.02% |
| Federal Home Loan Bank Bonds | 0.36% | 0.02% | 0.02% |
| Federal Home Loan Bank Bonds | 1.04% | 0.01% | 0.01% |
| Federal Home Loan Bank Bonds | 0.39% | 0.01% | 0.01% |
| Tennessee Valley Authority | 0.22% | 0.01% | 0.01% |
| Federal Farm Credit Bank Bonds | 0.55% | 0.01% | 0.01% |
| Federal Farm Credit Bank Bonds | 0.46% | 0.01% | 0.01% |
| Private Export Funding Corp. | 0.54% | 0.00% | 0.00% |
| Federal Farm Credit Banks Funding Corp | 0.72% | 0.00% | 0.00% |
| Federal Home Loan Bank Bonds | 0.40% | 0.00% | 0.00% |
| Federal Home Loan Bank Bonds | 1.57% | 0.00% | 0.00% |
| Federal Home Loan Bank Bonds | 0.45% | 0.00% | 0.00% |
| Federal Farm Credit Bank Bonds | 0.91% | 0.00% | 0.00% |
Frequently Asked Questions
How much do AGZ and BSV overlap?
AGZ and BSV overlap by 0.2% of portfolio weight. They share 19 holdings (AGZ holds 98 positions and BSV holds 3156), based on each fund's latest SEC-reported holdings.
Is it redundant to own both AGZ and BSV?
The two portfolios are 0.2% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of AGZ and BSV?
The largest positions held by both funds are Federal Home Loan Bank Bonds, Federal Farm Credit Bank Bonds, Federal Home Loan Bank Bonds, Federal Farm Credit Bank Bonds and Federal Home Loan Bank Bonds. Together the top 10 shared positions account for 90% of the total overlap.
What does AGZ own that BSV doesn't?
79 positions (79.9% of AGZ) are unique to AGZ, led by Federal National Mortgage Association, Federal Home Loan Bank Bonds and Federal National Mortgage Association. In the other direction, 3137 positions (98.0% of BSV) are unique to BSV.