IAU vs IAUM
iShares Gold Trust against iShares Gold Trust Micro: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
100%
1 shared positions
Fee gap
16 bp
IAUM is cheaper
1-year return gap
0.2 pts
IAUM is ahead
Larger fund
IAU
$61.5B
Side by side
| IAU | IAUM | |
|---|---|---|
| Fund | iShares Gold Trust | iShares Gold Trust Micro |
| Issuer | iShares | iShares |
| Category | Gold | Gold |
| Expense ratio | 0.25% | 0.09% |
| Assets | $61.5B | $8.0B |
| Average daily dollar volume | $373M | $114M |
| Listed | Jan 21, 2005 | Jun 15, 2021 |
| FrenzyCap score | 98 | 99 |
| 1-month return | −5.2% | −5.1% |
| 3-month return | −0.3% | −0.2% |
| Year to date | −4.6% | −4.5% |
| 1-year return | −2.8% | −2.5% |
| 30-day volatility | 19.6% | 19.7% |
| Worst drawdown, 1 year | −26.4% | −26.3% |
| Trailing 12-month yield | — | — |
| Holdings | 1 | 1 |
| Top 10 weight | 100.0% | 100.0% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | — | — |
| 30-day implied volatility | 20.7% | — |
| Holdings as of | as of Oct 20, 2026issuer data | as of Oct 20, 2026issuer data |
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
100% of IAU · 100% of IAUM| Holding | IAU | IAUM |
|---|---|---|
| Gold bullion | 100.00% | 100.00% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · IAU holdings · IAUM 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.