Fund · iShares Core International Aggregate Bond ETF · measured from SEC filings
IAGG holdings
IAGG reports 8,357 holdings and behaves like 906 equally weighted ones, computed from its SEC Form N-PORT filing for 2026-07-31. The fact sheet publishes the first number; this page computes the second, and traces it across 27 quarters of filings.
Measured concentration
as of 2026-07-31Computed by this site from the fund's SEC Form N-PORT filing; what the measure does not tell you · every fund in one table · hold it with other funds? X-ray the mix. Pricing: 0.46% at a quoted market price (level 1), 53 issuer countries.
What stands out
as of 2026-07-31IAGG's largest investment is China Government Bond at 0.7% of net assets. China Government Bond and China Government Bond follow; the three together are 1.75%. Ten companies are 6.08% of the fund; the other 8,347 share the rest. Among the 192 bond funds measured here, IAGG behaves like 906 holdings against a median of 236.4 — 3.8 times the median. Across 27 quarterly filings IAGG has held roughly steady since 2019-10-31 (978.1 then, 1050.1 now). Between the 2026-01-31 and 2026-04-30 filings 842 positions were added and 159 dropped; 14.1% of the weight moved. China is the largest country at 18.53% of the portfolio, across 53 countries in the filing.
Each sentence is read from the fund's own SEC filing; the class median is computed across the comparable bond funds on this site. Nothing here is a view on the fund.
Every filing since 2019
27Between 2019-10-31 and 2026-04-30, IAGG went from behaving like 978.1 equally weighted positions to 1050.1 — 7% more, while its top ten went from 3.59% to 4.84% of net assets. Read across the funds on the concentration-over-time table.
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2026-04-30 | 8,090 | 1050.1 | 4.84% | 0.7% |
| 2026-01-31 | 7,389 | 1072.6 | 4.9% | 0.64% |
| 2025-10-31 | 7,092 | 1024.4 | 4.83% | 0.61% |
| 2025-07-31 | 6,891 | 953.7 | 5.55% | 0.68% |
| 2025-04-30 | 5,967 | 1151.2 | 4.14% | 0.75% |
| 2025-01-31 | 5,855 | 998.7 | 5.04% | 1.16% |
| 2024-10-31 | 5,720 | 953 | 5.44% | 1.31% |
| 2024-07-31 | 5,687 | 1169.8 | 4.06% | 0.61% |
Earlier filings (19 more, back to 2019-10-31)
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2024-04-30 | 5,284 | 1037 | 4.94% | 0.62% |
| 2024-01-31 | 5,184 | 969 | 5.47% | 0.85% |
| 2023-10-31 | 5,086 | 1004.2 | 4.72% | 0.87% |
| 2023-07-31 | 4,934 | 1000 | 4.71% | 0.92% |
| 2023-04-30 | 4,861 | 941.1 | 5.17% | 1% |
| 2023-01-31 | 4,793 | 900 | 5.37% | 1.07% |
| 2022-10-31 | 4,719 | 814.7 | 5.99% | 1.13% |
| 2022-07-31 | 4,383 | 747.5 | 6.69% | 1.2% |
| 2022-04-30 | 4,256 | 687.5 | 7.39% | 1.24% |
| 2022-01-31 | 4,244 | 805.2 | 6.18% | 1.28% |
| 2021-10-31 | 4,187 | 867.6 | 5.64% | 1.06% |
| 2021-07-31 | 4,242 | 968.8 | 4.71% | 0.93% |
| 2021-04-30 | 3,899 | 955.7 | 4.58% | 0.99% |
| 2021-01-31 | 3,870 | 994.6 | 4.43% | 0.79% |
| 2020-10-31 | 3,834 | 1015 | 4.11% | 0.52% |
| 2020-07-31 | 3,614 | 982.2 | 4.01% | 0.45% |
| 2020-04-30 | 3,460 | 922 | 4.35% | 0.53% |
| 2020-01-31 | 3,573 | 795.4 | 5.2% | 1.68% |
| 2019-10-31 | 3,069 | 978.1 | 3.59% | 0.55% |
One row per filed reporting period, newest first, read from EDGAR. Quarterly because that is the public filing cadence. Rows marked * are published but held out of the comparison above; the methodology page says when and why.
Largest positions, as filed
as of 2026-04-30The 15 largest of 8,357 positions in IAGG's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: listed with the point-in-time files, available on request.
| # | Position | Weight | Cumulative |
|---|---|---|---|
| 1 | CHINA GOVERNMENT BOND | 0.70% | 0.7% |
| 2 | CHINA GOVERNMENT BOND | 0.69% | 1.4% |
| 3 | CHINA GOVERNMENT BOND | 0.54% | 1.9% |
| 4 | CHINA DEVELOPMENT BANK | 0.51% | 2.4% |
| 5 | CHINA GOVERNMENT BOND | 0.51% | 3.0% |
| 6 | CHINA GOVERNMENT BOND | 0.49% | 3.4% |
| 7 | CHINA GOVERNMENT BOND | 0.47% | 3.9% |
| 8 | CHINA DEVELOPMENT BANK | 0.46% | 4.4% |
| 9 | CHINA GOVERNMENT BOND | 0.45% | 4.8% |
| 10 | CHINA GOVERNMENT BOND | 0.43% | 5.2% |
| 11 | CHINA GOVERNMENT BOND | 0.42% | 5.7% |
| 12 | CHINA GOVERNMENT BOND | 0.40% | 6.1% |
| 13 | CHINA GOVERNMENT BOND | 0.38% | 6.5% |
| 14 | Bundesobligation | 0.37% | 6.8% |
| 15 | CHINA GOVERNMENT BOND | 0.36% | 7.2% |
By country of issuer
as of 2026-04-30Share of IAGG's own investments by the issuer country the filer reported (incorporation, not revenue). Each country links to every fund that holds it.
Returns the fund reported
2019-08 – 2026-04Monthly total returns from Item B.5 of IAGG's own filings, 81 months on record. Not computed here and not from a price feed.
Cross-checked against a series computed separately from prices: median difference 0.13 percentage points over 81 months, which is roughly the distributions. Every month with the filing it came from: IAGG.json · all funds.
Since the previous filing
2026-01-31 → 2026-04-307,160 positions became 7,843: 842 added (5.8% of the fund at the later date), 159 dropped (2.4% at the earlier date). Half the sum of all weight changes, a turnover proxy: 14.1%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of IAGG compared this way, as a feed: changes.xml · all funds: filings received.
| Largest increases | 2026-01-31 | 2026-04-30 | Largest decreases | 2026-01-31 | 2026-04-30 |
|---|---|---|---|---|---|
| Bundesobligation | 0.06% | 0.37% | Bundesrepublik Deutschland Bundesanleihe | 0.22% | 0.08% |
| CHINA GOVERNMENT BOND | 0.27% | 0.51% | U.K. Gilts | 0.15% | 0.01% |
| Kingdom of Belgium Government Bonds | 0.02% | 0.20% | CHINA DEVELOPMENT BANK | 0.20% | 0.10% |
| CHINA DEVELOPMENT BANK | 0.05% | 0.22% | CHINA GOVERNMENT BOND | 0.78% | 0.69% |
| Italy Buoni Poliennali Del Tesoro | 0.03% | 0.19% | AGRICUL DEV BANK CHINA | 0.26% | 0.18% |
| BLACKROCK CASH FUNDS TREASURY SL AGENCY SHARES | 0.17% | 0.33% | Japan Government Ten Year Bonds | 0.21% | 0.14% |
New: Bundesobligation (0.35%), Japan Government Five Year Bonds (0.17%), Italy Buoni Poliennali Del Tesoro (0.16%), Bundesschatzanweisungen (0.15%), CHINA GOVERNMENT BOND (0.15%), POLAND GOVERNMENT BOND (0.15%). Gone: CHINA GOVERNMENT BOND (0.16%), CHINA GOVERNMENT BOND (0.14%), Italy Buoni Poliennali Del Tesoro (0.13%), Japan Government Ten Year Bonds (0.11%), Bundesobligation (0.09%), U.K. Gilts (0.09%).
Asset categories and pricing
as of 2026-07-31| Asset category (as filed) | Share of investments |
|---|---|
| debt DBT | 99.49% |
| short-term investment STIV | 0.46% |
| DFE DFE | 0.04% |
| CDO/CLO ABS-CBDO | 0.01% |
0.5% of IAGG is carried at a quoted market price (fair-value level 1). Categories and levels are the filer's, from Form N-PORT; what a low level-1 share does and does not mean is in the measure's page.
Neighbours by effective holdings, debt funds
10Every measured debt fund lined up by how many holdings it behaves like; these sit either side of IAGG (906). Same filings, same arithmetic. Position in this list says nothing about which fund is better.
| Fund | Reports | Behaves like | Top ten | As of |
|---|---|---|---|---|
| CGHM Capital Group Municipal High-Income ETF | 3,498 | 766.5 | 5.67% | 2026-06-30 |
| SCHZ Schwab U.S. Aggregate Bond ETF | 12,327 | 807.8 | 4.92% | 2026-06-30 |
| BND Vanguard Total Bond Market Index Fund | 17,397 | 877.7 | 4.63% | 2026-06-30 |
| BHYB Xtrackers USD High Yield BB-B ex Financials ETF | 1,478 | 903.4 | 4.4% | 2026-05-31 |
| ITM VanEck Intermediate Muni ETF | 1,369 | 905 | 3.9% | 2026-07-31 |
| HYG iShares iBoxx $ High Yield Corporate Bond ETF | 1,322 | 907.5 | 3.57% | 2026-05-31 |
| BWX State Street(R) SPDR(R) Bloomberg International Treasury Bond ETF | 1,372 | 911.5 | 2.77% | 2026-06-30 |
| IBMP iShares iBonds Dec 2027 Term Muni Bond ETF | 1,846 | 957 | 3.65% | 2026-07-31 |
| IBMQ iShares iBonds Dec 2028 Term Muni Bond ETF | 2,777 | 999.7 | 4.23% | 2026-07-31 |
| BNDX Vanguard Total International Bond Index Fund | 6,999 | 1088.6 | 4.54% | 2026-07-31 |
Essays that examine IAGG
0Mentions are detected across the full text of every article, so an appearance may be a passing comparison rather than the subject. Nothing here is a recommendation to buy or sell — see the disclaimer.