PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF

MFUS
ETF Ticker

+16.59%

+21.30%

NYSE Arca Exchange

Equity

United States

Factor

ETF Strategy Fund Grade AA

The PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF, MFUS_US, is listed on the NYSE Arca Exchange and tracks the RAFI Dynamic MultiFactor U.S. index. The fund provides exposure to United States, Factor Equity and has assets under management of $298.0m (as of Aug 31, 2026). The ETF trades in USD and was listed on the exchange on Aug 31, 2017. It has a net expense ratio of 29bps. (All data in USD as of Oct 12, 2026 unless stated.)

The underlying RAFI Dynamic Multi-Factor U.S. Index targets diversified U.S. equity exposure with time-varying allocations to value, low volatility, quality, momentum, and size. Within each factor sleeve, eligible U.S. large/mid securities are ranked and chosen using RAFI’s fundamental framework: value/low-vol/quality select the top 25% by cumulative free-float-adjusted fundamental weight (≥15 names per sleeve); momentum selects the top 50% by adjusted market-cap (≥15). Constituents are weighted by free-float-adjusted fundamental weight and then scaled by a liquidity limit that uses 30/90-day median ADTV; post-aggregation a minimum stock weight of 0.002% applies, with sub-minimum weights removed and redistributed. Factor allocations are reset quarterly using equal-weight plus an active tilt from factor momentum (12-1 month) and long-term reversal (5Y–1Y), capped at ±15% per factor. Reconstitution uses quarterly staggered tranches; momentum reselects quarterly; the multi-factor portfolio rebalances quarterly.

ETF Details

Key Facts

Issuer:
PIMCO ETFs
AUM:
$298.0m (as of Aug 31, 2026)
Net Expense Ratio:
29 bps
Inception Date:
Aug 31, 2017
Index:
RAFI Dynamic MultiFactor U.S. Index
Dividend Frequency:
Quarterly

Trading

Ticker:
MFUS
Exchange:
NYSE Arca Exchange
ISIN:
US72202L3630
Trading Currency:
USD
Domicile:
United States

Classification & Risk

Asset Class:
Equity
Asset Region:
United States
Theme:
Factor
Economic Development:
Developed Markets
1 Year Volatility:
11.50%
3 Year Volatility:
13.27%
5 Year Volatility:
14.87%

Performance

TTM Dividend Yield:
1.26% (verify with issuer)
1 Month Performance:
-1.00%
3 Month Performance:
-0.70%
6 Month Performance:
9.11%
1 Year Performance:
21.30%
3 Year Performance:
79.70%
5 Year Performance:
82.21%
Investment Proposition

PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF (MFUS) provides U.S. large- and mid-cap equity exposure through a diversified multi-factor process designed to balance valuation, quality, momentum, and size attributes across the cycle. The strategy seeks long-horizon excess return by anchoring weights to company fundamentals and systematically rebalancing toward factors that historically exhibit complementary payoffs, while retaining broad sector and issuer diversification to limit unintended bets. Resulting style tilts can deviate from the market when factors rotate, offering potential return dispersion relative to traditional cap-weighted approaches and a different path of risk. MFUS can serve as a core equity sleeve for investors seeking a rules-based alternative to market-cap portfolios, a factor-completion tool to diversify single-factor exposures, or a satellite allocation to introduce valuation and quality discipline into growth-heavy lineups. It suits allocators pursuing long-term equity premia with governance that favors transparent, repeatable rules. Environments with widening dispersion and mean-reversion in valuations tend to be supportive; momentum-led, narrowly concentrated rallies can be more challenging. A fund-specific risk is the rebalancing cadence and turnover, which can elevate trading costs and short-term tracking variability versus broad market exposures.

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