AGG vs AGGS
iShares Core U.S. Aggregate Bond ETF against Harbor Disciplined Bond ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
1%
69 shared positions
Fee gap
32 bp
AGG is cheaper
1-year return gap
0.5 pts
AGG is ahead
Larger fund
AGG
$138.4B
Side by side
| AGG | AGGS | |
|---|---|---|
| Fund | iShares Core U.S. Aggregate Bond ETF | Harbor Disciplined Bond ETF |
| Issuer | iShares | Harbor |
| Category | Core Bond | Core Bond |
| Expense ratio | 0.03% | 0.35% |
| Assets | $138.4B | $39M |
| Average daily dollar volume | $1.2B | $17K |
| Listed | Sep 22, 2003 | May 1, 2024 |
| FrenzyCap score | 99 | 38 |
| 1-month return | −1.0% | −1.0% |
| 3-month return | −2.1% | −2.2% |
| Year to date | −4.6% | −4.5% |
| 1-year return | −5.8% | −6.2% |
| 30-day volatility | 5.0% | 4.6% |
| Worst drawdown, 1 year | −7.2% | −7.6% |
| Trailing 12-month yield | 4.16% | 5.32% |
| Holdings | 13,451 | 286 |
| Top 10 weight | 3.9% | 20.8% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | −$734M thru May 2026 | +$1.0M thru Jul 2026 |
| 30-day implied volatility | 5.9% | — |
| Holdings as of | as of Oct 20, 2026issuer data | as of Jul 31, 2026SEC filing |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
1% of AGG · 35% of AGGS| Holding | AGG | AGGS |
|---|---|---|
| TREASURY NOTE (2OLD), due Feb 15, 2036 | 0.38% | 2.26% |
| TREASURY BOND 4.75%, due Aug 15, 2055 | 0.20% | 0.37% |
| TREASURY BOND (2OLD), due Feb 15, 2056 | 0.20% | 0.97% |
| TREASURY BOND 4.63%, due Feb 15, 2055 | 0.19% | 5.45% |
| TREASURY BOND 4.88%, due Aug 15, 2045 | 0.09% | 0.19% |
| TREASURY BOND (2OLD), due Feb 15, 2046 | 0.08% | 7.22% |
| GNMA2 30YR, due Feb 20, 2052 | 0.05% | 0.28% |
| FHLMC 30YR UMBS SUPER, due Dec 1, 2052 | 0.04% | 0.41% |
| FHLMC 30YR UMBS SUPER, due Dec 1, 2051 | 0.03% | 0.51% |
| FNMA 30YR UMBS, due Apr 1, 2051 | 0.02% | 0.59% |
| FHLMC 30YR UMBS MIRROR, due Dec 1, 2046 | 0.02% | 0.36% |
| SPACE EXPLORATION TECHNOLOGIES COR 144A, due Jul 15, 2033 | 0.01% | 0.28% |
| FHLMC 30YR UMBS SUPER, due Nov 1, 2054 | 0.01% | 0.20% |
| BANK OF AMERICA CORP 5.74%, due Feb 12, 2036 | 0.01% | 0.29% |
| CHARTER COMMUNICATIONS OPERATING L 6.38%, due Oct 23, 2035 | 0.01% | 0.29% |
| ORACLE CORPORATION 3.6%, due Apr 1, 2040 | 0.01% | 0.26% |
| GNMA2 30YR, due Aug 20, 2048 | 0.01% | 0.29% |
| BERKSHIRE HATHAWAY ENERGY CO 6.13%, due Apr 1, 2036 | 0.01% | 0.28% |
| FORD MOTOR CREDIT COMPANY LLC 6.13%, due Mar 8, 2034 | 0.01% | 0.51% |
| GNMA2 30YR, due May 20, 2053 | 0.01% | 0.40% |
| ING GROEP NV 6.11%, due Sep 11, 2034 | 0.01% | 0.53% |
| FNMA 30YR, due Jan 1, 2048 | 0.01% | 0.48% |
| BARCLAYS PLC 5.59%, due Jun 26, 2037 | 0.01% | 0.50% |
| VERIZON COMMUNICATIONS INC (32NC7), due May 14, 2058 | 0.00% | 0.28% |
| CAPITAL ONE FINANCIAL CORPORATION 5.88%, due Jul 26, 2035 | 0.00% | 0.35% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · AGG holdings · AGGS holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.