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MFS Blended Research Small-Mid Cap ETF

BRSMNYSE ArcaB

$25.140.00 (0.00%)

As of Oct 13, 2026, 9:46 AM

Intraday session: flat, 1 prints from 25.14 to 25.14. Range 25.14 to 25.14. Use the arrow keys to read each point.24.5026.0010 AM12 PM2 PM4 PM
Expense ratio
0.38%
Fund size
$27M
1Y total return
—
Yield · Last 12 months
—
Holdings
316
Avg volume · 30D
0M sh
NAV per share
$25.11
52W range
low $24.06high $26.65
Launched
Filings
SEC EDGAR

The ETF.net BRSM Grade

Based on 5 of 6 pillars

B

Score 62 out of 100

Rank
12 of 48
Six-pillar profile for BRSM. Scores out of 100: Cost 77, Risk 47, Mission not scored, Tradability 43, Holdings 83, Durability 43. Strongest: Holdings (83). Weakest: Durability (43). Based on 5 of 6 pillars.

Score 62 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.
    A77 out of 100
    Rank 11 of 48
  • Mission

    Whether the fund did what it promised, tested against its stated mandate.
    Not scored
  • Risk

    How the fund held up when markets fell: downside volatility, drawdowns and tail loss.
    C47 out of 100
    Rank 25 of 44
  • Tradability

    How easy the fund is to trade: daily volume, and how far its price strays from net asset value.
    C43 out of 100
    Rank 28 of 48
  • Holdings

    How concentrated the fund is, and how complete and current its disclosed holdings are.
    A83 out of 100
    Rank 7 of 48
  • Durability

    Whether the fund is likely to stay open, judged by its age, its assets and its issuer’s assets.
    C43 out of 100
    Rank 34 of 48

Our read on BRSM

ETF.net Research

BMFS has been blending its stock analysts' calls with its quant models since around 2000. BRSM puts that process into an ETF, pointed at small and mid caps and held close to the Russell 2500 on risk.

Stated mandate

The fund uses fundamental and quantitative analysis to select investments and builds a portfolio while managing issuer, industry, sector, market-capitalization, and volatility risks relative to the Russell 2500 Index.

Why people hold it

  1. 01Costs 0.38% a year, below the going rate for actively run small/mid-cap funds.
  2. 02The engine isn't new: MFS has run its Blended Research process, fundamental analyst views plus quant models, since around 2000. The ETF wrapper is the fresh part.mfs.com
  3. 03Risk is managed against the Russell 2500: issuer, industry, sector, size and volatility exposures stay in check, so stock selection is meant to do the work.

Worth knowing

  1. 01A June 2026 launch, so there is no long record of how the blend behaves in this wrapper through a full market cycle.
  2. 02Assets are still modest and trading light, which can mean wider bid/ask spreads than established peers carry.
  3. 03Cheaper systematic small/mid choices exist, among them AVMC and JMEE; the fee here buys MFS research, not a rules-based screen.

BRSM Holdings

As of Oct 13, 2026
Asset class
Stocks
Holdings
316
Top-10 weight
10%
Largest holding
OKTA1.1%

Geography

  • United States91.49%
  • United Kingdom2.30%
  • Bermuda1.49%
  • Cayman Islands1.05%
  • Puerto Rico0.93%
  • Switzerland0.86%
  • Ireland0.43%
  • Netherlands0.32%
  • Other countries (5)1.12%
The fund’s holdings, weight-ordered — page 1 of 22.
#TickerCompanyWeight %SharesMarket valueIn ETFs
001OKTAOkta Inc1.13%1,328$302K260
002BOXBox Incclass A1.13%8,156$299K133
003ROKURoku Inc1.10%1,908$292K154
004XPXp Inc Class A1.06%8,686$283K100
005ARMKAramark1.05%5,085$278K164
006TLNTalen Energy Corp1.04%730$277K160
007REEverest Group Ltd1.01%719$268K43
008LNCLincoln National Corp0.94%6,145$249K155
009BPOPPopular Inc0.94%1,590$249K166
010NVTNvent Electric PLC0.91%1,484$242K251
011BILLBill Holdings Inc0.90%5,435$240K127
012UGIUgi Corp0.89%6,277$237K158
013CATYCathay General Bancorp0.88%3,919$233K132
014UHSUniversalhealth Services B0.88%1,304$233K230
015RHPRyman Hospitality Properties0.88%1,902$233K125

Showing 1–15 of 316 holdings

BRSM Performance

Launched Jun 4, 2026

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.Not enough history yet.Not enough history yet.
BRSM$9,801
SPY tracks large US stocks. It provides market context, rather than representing this fund’s strategy, asset class or investment benchmark.$10,332
Jul 10, 2026 to Oct 12, 2026. BRSM $9,801. SPY $10,332. Use the arrow keys to read each point.$9,569$10,010$10,451Jul 2026Aug 2026Oct 2026

Jul 10, 2026 – Oct 12, 2026

Returns run to the Oct 12, 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.

Trailing total return for BRSM. Periods over one year show the average yearly return.
PeriodBRSM
Year to dateFund launched this year—
1 month−1.5%
3 months−2.0%
1 yearFund is under 1 year old—
3 yearsFund is under 3 years oldper year—
5 yearsFund is under 5 years oldper year—
10 yearsFund is under 10 years oldper year—

As of the close, with distributions reinvested.

Calendar-year total return with cash distributions hypothetically reinvested at the ex-dividend date’s closing price. The current year shows year to date.

Annual total returns for BRSM
YearReturn barBRSM
2026 YTD+0.4%

Since listing, Jun 4, 2026

BRSM in the news

Filtered to BRSM · US Active Small/Mid-Cap

BRSM Dividends

Adds up every distribution paid per share over the last 12 months, divided by the last completed close. Distributions are counted by ex-date. Data through Oct 12, 2026.
—Last 12 months
Payout per share
—Last 12 months

Listed Jun 2026. No distributions yet.

BRSM Risk

How much the fund’s monthly returns vary, scaled to a year.
—
Launched Jun 2026; fills in after 12 months
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.

Return above 3-month US Treasury bills per unit of volatility.
—
Launched Jun 2026; fills in after 12 months
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.

The largest fall from a peak to the low that followed.
—
Launched Jun 2026; fills in after 12 months
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.

How strongly the fund’s returns move with its asset-class index.
2.16
vs its asset-class index
How it’s calculated: beta

The beta figure is supplied by FMP. The comparison index depends on the fund’s broad asset class.

BRSM Cost

Expense ratio0.38%
  • The middle half of US Active Small/Mid-Cap funds
  • Median 0.59%

10 of the 47 US Active Small/Mid-Cap funds charge less.

BRSM costs $38.00 a year on $10,000. The median US Active Small/Mid-Cap fund costs $59.00.

Other funds in US Active Small/Mid-Cap