MFS Blended Research Mid Cap Equity Fund R3 (BMSTX)
17.83
-0.04
(-0.22%)
USD |
Aug 24 2026
Returns Chart
Key Stats
| Net Expense Ratio | Total Assets Under Management | Weighted Average Dividend Yield | Turnover Ratio (Generic) |
|---|---|---|---|
| 0.84% | 3.280B | 1.26% | 51.00% |
| 1 Year Fund Level Flows | 1 Year Total Returns (Daily) | Annualized Total Returns Since Inception (Daily) | Max Drawdown (Since Inception) |
| 870.98M | 19.82% |
Basic Info
| Investment Strategy | |
| The Fund seeks capital appreciation. MFS normally invests at least 80% of the fund's net assets in equity securities of issuers with medium market capitalizations. MFS defines medium market capitalization companies as issuers that have market capitalizations within the capitalization range of the Russell Midcap Index. |
| General | |
| Security Type | Mutual Fund |
| Equity Style | Mid Cap Core |
| Broad Asset Class | US Equity |
| Broad Category | Equity |
| Global Peer Group | Equity US Sm&Mid Cap |
| Peer Group | Mid-Cap Core Funds |
| Global Macro | Equity North America |
| US Macro | Mid-Cap Funds |
| YCharts Categorization | -- |
| YCharts Benchmark | -- |
| Prospectus Objective | Mid-Cap Funds |
| Fund Owner Firm Name | MFS |
| Broad Asset Class Benchmark Index | |
| ^SPXTR | 100.0% |
Net Fund Flows Versus Peer Group
1 Month
% Rank:
7
-843.08M
Peer Group Low
605.37M
Peer Group High
1 Year
% Rank:
2
870.98M
-5.117B
Peer Group Low
4.314B
Peer Group High
3 Months
% Rank:
6
-1.584B
Peer Group Low
775.77M
Peer Group High
3 Years
% Rank:
4
-8.116B
Peer Group Low
8.986B
Peer Group High
6 Months
% Rank:
6
-2.967B
Peer Group Low
2.912B
Peer Group High
5 Years
% Rank:
4
-10.76B
Peer Group Low
12.24B
Peer Group High
YTD
% Rank:
6
-3.326B
Peer Group Low
2.555B
Peer Group High
10 Years
% Rank:
--
-17.70B
Peer Group Low
25.18B
Peer Group High
Date Unavailable
Risk
Performance Versus Peer Group
Annual Total Returns Versus Peers
As of August 25, 2026.
Asset Allocation
As of June 30, 2026.
| Type | % Net |
|---|---|
| Cash | 1.01% |
| Stock | 98.99% |
| Bond | 0.00% |
| Convertible | 0.00% |
| Preferred | 0.00% |
| Other | 0.00% |
Top 10 Holdings
| Name | % Weight | Price | % Change |
|---|---|---|---|
| Western Digital Corp. | 2.85% | 442.60 | 1.66% |
| Flex Ltd. | 2.21% | 108.34 | 1.58% |
| Valero Energy Corp. | 1.99% | 345.48 | -0.15% |
| Viking Holdings Ltd. (Bermuda) | 1.99% | 92.85 | 1.51% |
| Humana, Inc. | 1.78% | 388.78 | 0.56% |
| Northern Trust Corp. | 1.74% | 186.52 | -0.08% |
| Aramark | 1.71% | 59.20 | -0.13% |
| Teradyne, Inc. | 1.62% | 368.98 | 1.12% |
| Sandisk Corp. | 1.61% | 1510.29 | 1.15% |
| Edison International | 1.59% | 74.16 | 0.26% |
Fees & Availability
| Fees | |
| Actual 12B-1 Fee | 0.25% |
| Actual Management Fee | 0.42% |
| Administration Fee | 1004.00 None |
| Maximum Front Load | -- |
| Maximum Deferred Load | -- |
| Maximum Redemption Fee | -- |
| General Availability | |
| Available for Insurance Product | No |
| Available for RRSP | No |
| Purchase Details | |
| Open to New Investors |
|
| Minimum Initial Investment | 0.00 None |
| Minimum Subsequent Investment | 0.00 None |
Projected Income
| Type | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Qualified Income
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-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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Normal
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-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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Qualified
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-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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LT Cap Gains
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-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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Ordinary Income
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-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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Non-Qual
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-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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ST Cap Gains
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-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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Interest
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-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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Tax-Exempt
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-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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ROC
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-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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Other
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-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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Total
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
As of July 31, 2026.
Basic Info
| Investment Strategy | |
| The Fund seeks capital appreciation. MFS normally invests at least 80% of the fund's net assets in equity securities of issuers with medium market capitalizations. MFS defines medium market capitalization companies as issuers that have market capitalizations within the capitalization range of the Russell Midcap Index. |
| General | |
| Security Type | Mutual Fund |
| Equity Style | Mid Cap Core |
| Broad Asset Class | US Equity |
| Broad Category | Equity |
| Global Peer Group | Equity US Sm&Mid Cap |
| Peer Group | Mid-Cap Core Funds |
| Global Macro | Equity North America |
| US Macro | Mid-Cap Funds |
| YCharts Categorization | -- |
| YCharts Benchmark | -- |
| Prospectus Objective | Mid-Cap Funds |
| Fund Owner Firm Name | MFS |
| Broad Asset Class Benchmark Index | |
| ^SPXTR | 100.0% |
Fundamentals
| General | |
| Distribution Yield | -- |
| Dividend Yield TTM (8-24-26) | 0.37% |
| 30-Day SEC Yield | -- |
| 7-Day SEC Yield | -- |
| Number of Holdings | 158 |
| Stock | |
| Weighted Average PE Ratio | 30.91 |
| Weighted Average Price to Sales Ratio | 4.761 |
| Weighted Average Price to Book Ratio | 7.116 |
| Weighted Median ROE | 137.1% |
| Weighted Median ROA | 7.83% |
| Return on Investment (TTM) | 14.16% |
| Earning Yield | 0.0498 |
| LT Debt / Shareholders Equity | 1.826 |
| Number of Equity Holdings | 157 |
As of June 30, 2026
Growth Metrics
| EPS Growth (1Y) | 24.94% |
| EPS Growth (3Y) | 12.01% |
| EPS Growth (5Y) | 10.35% |
| Sales Growth (1Y) | 10.40% |
| Sales Growth (3Y) | 5.74% |
| Sales Growth (5Y) | 11.06% |
| Sales per Share Growth (1Y) | 10.39% |
| Sales per Share Growth (3Y) | 6.05% |
| Operating Cash Flow - Growth Rate (3Y) | 20.95% |
As of June 30, 2026
Fund Details
| Key Dates | |
| Inception Date | 8/19/2016 |
| Last Annual Report Date | 5/31/2026 |
| Last Prospectus Date | 9/26/2025 |
| Share Classes | |
| BMSBX | B |
| BMSDX | C |
| BMSFX | A |
| BMSLX | Inst |
| BMSRX | Retirement |
| BMSSX | Retirement |
| BMSVX | Retirement |
| BMSYX | Retirement |
| Attributes | |
| Index Fund | -- |
| Inverse Fund | No |
| Leveraged Fund | -- |
| Fund of Funds | No |
| Currency Hedged Fund | -- |
| Socially Responsible Fund | No |
Top Portfolio Holders
| Name | % Weight |
|---|---|
| Portfolio A | 5.00% |
| Portfolio B | 3.50% |
| Portfolio C | 2.25% |
Excel Add-In Codes
| Name: =YCI("M:BMSTX", "name") |
| Broad Asset Class: =YCI("M:BMSTX", "broad_asset_class") |
| Broad Category: =YCI("M:BMSTX", "broad_category_group") |
| Prospectus Objective: =YCI("M:BMSTX", "prospectus_objective") |
| To find the codes for any of our securities and financial metrics, see our Complete Excel Reference. |