iShares Prime Money Market ETF
$100.32+0.05 (+0.05%)
- 0.20%
- $796M
- +2.7%
- 4.08%
- 150K sh
- low $100.10high $100.57
The ETF.net PMMF Grade
B
Score 57 out of 100
- 44 of 78
Score 57 of 100 falls in the B band. A is 70 or higher, B 55 to under 70, C 40 to under 55, D 25 to under 40, F under 25.
Cost
The fund’s net expense ratio, ranked against its category.D38 out of 100Rank 42 of 78Mission
Whether the fund did what it promised, tested against its stated mandate.B69 out of 100Rank 65 of 67Risk
How the fund held up when markets fell: downside volatility, drawdowns and tail loss.B68 out of 100Rank 1 of 75Tradability
How easy the fund is to trade: daily volume, and how far its price strays from net asset value.A73 out of 100Rank 20 of 78Holdings
How concentrated the fund is, and how complete and current its disclosed holdings are.C48 out of 100Rank 48 of 77Durability
Whether the fund is likely to stay open, judged by its age, its assets and its issuer’s assets.B66 out of 100Rank 28 of 78
Our read on PMMF
In short
BMoney market discipline in an ETF shell. PMMF runs a short-term credit portfolio under the SEC's strict Rule 2a-7 money fund rules, pays income monthly, and trades on an exchange during the day.
Stated mandate
The fund seeks current income consistent with liquidity and principal stability while providing intraday trading flexibility.
Why people hold it
Worth knowing
PMMF Holdings
- Other
- 249
- 47%
- Tri-Party J.p. Morgan Securities L
Sectors
- U.S. Government Agency Repurchase Agreement35.0%
- Certificate of Deposit34.5%
- Asset Backed Commercial Paper10.6%
- Financial Company Commercial Paper8.9%
- Tri-Party Repo4.7%
- Repos3.4%
- Commercial Paper2.5%
- Floating Rate0.5%
Geography
- United States79.10%
- Canada5.30%
- United Kingdom3.27%
- Japan2.52%
- France2.02%
- Australia1.74%
- United Arab Emirates1.51%
- Saudi Arabia1.25%
- 3.29%
PMMF Performance
Shows how $10,000 changes over the selected period, with cash distributions reinvested at the closing price on each ex-dividend date.
Not enough history yet.Not enough history yet.Not enough history yet.
PMMF$10,266
Returns run to the Oct 30, 2026 close, with cash distributions reinvested. Each period starts on the same date that many months or years earlier. Periods over one year show the average yearly return.
| Period | PMMF |
|---|---|
| Year to date | +2.0% |
| 1 month | +0.3% |
| 3 months | +1.0% |
| 1 year | +2.7% |
| 3 years | |
| 5 years | |
| 10 years |
Calendar-year total return with cash distributions hypothetically reinvested at the ex-dividend date’s closing price. The current year shows year to date.
| Year | Return bar | PMMF |
|---|---|---|
| 2026 YTD | +2.0% | |
| 2025 | +3.8% |
PMMF in the news
PMMF Dividends
- 4.08%
- $4.09
- $0.07 per share
- Weekly
PMMF Risk
- 0.2%
How it’s calculated: standard deviation
The sample standard deviation of monthly total returns, multiplied by the square root of 12.
Uses up to 36 complete months, with at least 12 required. Total returns include reinvested distributions.
- −0.63
How it’s calculated: Sharpe ratio
Subtract each month’s Treasury-bill return from the fund’s monthly total return.
Divide the average of those excess returns by their sample standard deviation, then multiply by the square root of 12.
Uses up to 36 complete months, with at least 12 required. Each month uses the Treasury yield quoted at the end of the previous month.
- −0.1%
How it’s calculated: maximum drawdown
The largest percentage decline from an earlier peak, using total returns with reinvested distributions.
Uses up to five years through the last close, with at least 12 months required.
- −0.01
How it’s calculated: beta
The beta figure is supplied by FMP. The comparison index depends on the fund’s broad asset class.
FMP measures it over up to five years of monthly returns.
PMMF Cost
Overpaying vs XHLF, tied cheapest in Cash & Ultra-Short Income
$3,517
On $10,000 over 30 years. 7% growth a year before fees, expense ratio only.
PMMF 0.20%
$4,155
XHLF 0.03% Tied cheapest
$638
Cost over time
Year by year
| Year | PMMF | XHLF | Overpaying |
|---|---|---|---|
| 10 | $365 | $55 | $310 |
| 20 | $1,421 | $216 | $1,205 |
| 30 | $4,155 | $638 | $3,517 |
Other funds in Cash & Ultra-Short Income
- BRAVINorthern Trust Ultra-Short Fixed Income ETFExpense ratio 0.25%1 year return +3.8%
- BCSHPiShares Dynamic Short-Term Active ETFExpense ratio 0.20%1 year return +3.7%
- BGMMFiShares Government Money Market ETFExpense ratio 0.20%1 year return +2.6%
- BGMOCGMO Ultra-Short Income ETFExpense ratio 0.20%1 year return +4.2%
- BTUSBThrivent Ultra Short Bond ETFExpense ratio 0.20%1 year return +4.4%
