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BRSM

GradeBNew York Stock Exchange Arca

MFS Blended Research Small-Mid Cap ETF

Active Equity · MFS · Inception 2026-06-04

$25.14−0.18 (−0.73%)

As of Sep 23, 2026, 11:08 AM EDT

History starts Jun 4, 2026.History starts Jun 4, 2026.History starts Jun 4, 2026.
Intraday session: down, 2 prints from 25.32 to 25.14. Range 25.14 to 25.32. Use the arrow keys to read each point.$25.20$25.25$25.3010 AM12 PM2 PM4 PM
Expense ratio
0.38%
Fund size
$27M
1Y return
—
Yield · Last 12 months
—
Volume · 30D
0M sh
NAV per share
$25.21
52W range
low $24.06high $26.65

The ETF.net BRSM Grade

B

67/ 100

Rank 7 of 48 in US Active Small/Mid-Cap⁠

Confidence Medium

Six-pillar profile for BRSM. Scores out of 100: Cost 77, Risk 58, Mission not scored, Tradability 55, Holdings 84, Durability 41. Strongest: Holdings (84). Weakest: Durability (41). Based on 5 of 6 pillars.
F< 25
D≥ 25
C≥ 40
B≥ 55
A≥ 70

Score 67 of 100 sits in the B band. Bands: A ≥ 70, B ≥ 55, C ≥ 40, D ≥ 25, F < 25; the scale skips E.

  • Cost

    What you pay to own it — the expense ratio plus trading frictions, ranked within its category.
    AScore 77
    Category rank13/48 · top 27%

  • Mission

    How faithfully it does the job it claims — tracking its mandate or index with minimal slippage.
    Not scored
    —

  • Risk

    How violently it can move — volatility, drawdown depth, and downside capture versus its category.
    BScore 58
    Category rank19/44 · top 43%

  • Tradability

    How cheaply and easily you can get in and out — liquidity, spread, and premium/discount stability.
    BScore 55
    Category rank19/48 · top 40%

  • Holdings

    What it actually owns — the quality, breadth, and concentration of the underlying portfolio.
    AScore 84
    Category rank6/48 · top 13%

  • Durability

    Whether it will still be here — the fund’s assets, age, flows, and issuer staying power.
    CScore 41
    Category rank35/48 · mid-pack

Graded as of Sep 22, 2026 · Based on 5 of 6 pillars

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 Sep 21, 2026, 3:50 AM
Asset class
Stocks
Holdings
—
Top-10 weight
10%
Largest holding
ROKU1.1%

Geography

  • United States91.85%
  • United Kingdom2.29%
  • Bermuda1.48%
  • Puerto Rico0.97%
  • Switzerland0.88%
  • Cayman Islands0.65%
  • Ireland0.48%
  • Luxembourg0.31%
  • Other countries (5)1.10%
The fund’s holdings, weight-ordered — page 1 of 21.
#TickerCompanyWeight %SharesMarket valueIn ETFs
001ROKUROKU INC1.10%1,908$293K158
002ARMKARAMARK1.08%5,085$287K162
003BOXBOX INCCLASS A1.03%8,156$275K135
004REEVEREST GROUP LTD1.01%719$270K42
005LNCLINCOLN NATIONAL CORP0.97%6,145$259K155
006BILLBILL HOLDINGS INC0.97%5,435$259K130
007BPOPPOPULAR INC0.97%1,590$258K167
008CATYCATHAY GENERAL BANCORP0.92%3,919$244K133
009OKTAOKTA INC0.91%1,328$242K245
010UGIUGI CORP0.89%6,277$236K160
011NVTNVENT ELECTRIC PLC0.88%1,484$234K252
012RHPRYMAN HOSPITALITY PROPERTIES0.87%1,902$232K122
013UHSUNIVERSALHEALTH SERVICES B0.87%1,304$230K227
014AGCOAGCO CORP0.86%1,908$229K165
015UMBFUMB FINANCIAL CORP0.86%1,696$228K164

Showing 1–15 of 315 holdings

BRSM Performance

Shows how $10,000 changes over the selected period, with cash distributions reinvested at the closing price on each ex-dividend date.

BRSM$9,881
SPY tracks large US stocks. It provides market context, rather than representing this fund’s strategy, asset class or investment benchmark.$10,415
Jun 22, 2026 to Sep 22, 2026. BRSM $9,881. SPY $10,415. Use the arrow keys to read each point.$9,741$10,122$10,502Jun 2026Aug 2026Sep 2026

Jun 22, 2026 – Sep 22, 2026

Returns run to the Sep 22, 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−3.4%
3 months−1.2%
1 yearFund is under 1 year old—
3 yearsFund is under 3 years old—per year
5 yearsFund is under 5 years old—per year
10 yearsFund is under 10 years old—per 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+1.1%

Since listing, Jun 4, 2026

BRSM in the news

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 Sep 22, 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.
0.00
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 0.55%

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 $55.00.