BRSUX Holdings — MFS Blended Research Small Cap Equity Fund
Data updated: 2026-09-25
BRSUX holds 236 securities. The top 10 make up 16.6% of net assets, led by Corsair Gaming (1.98%) and JP Morgan US Government Money Market Fund (1.96%). Information Technology (19.6%) and Industrials (19.2%) are the largest sectors, and 92.3% of the portfolio is in United States. No debt holdings are reported.
Holdings cover 101.90% of net asset value (99.84% of total assets; remainder is cash and receivables). As of May 31, 2026 · N-PORT.
BRSUX Portfolio Holdings
236 holdings of MFS Blended Research Small Cap Equity Fund by percentage of net assets, from the fund's SEC N-PORT filing as of May 31, 2026. The 100 largest are listed below; the interactive table on this page lists all 236.
| Holding | Ticker | Sector | % of net assets | Value (USD) |
|---|---|---|---|---|
| Corsair Gaming Inc | CRSR | Information Technology | 1.98% | $6.47M |
| JP Morgan US Government Money Market Fund | — | Funds & ETFs | 1.96% | $6.41M |
| Bloom Energy Corp | BE | Industrials | 1.85% | $6.05M |
| MYR Group Inc | MYRG | Industrials | 1.73% | $5.66M |
| FormFactor Inc | FORM | Information Technology | 1.68% | $5.50M |
| UMB Financial Corp | UMBF | Financials | 1.54% | $5.03M |
| Modine Manufacturing Co | MOD | Consumer Discretionary | 1.49% | $4.87M |
| Portland General Electric Co | POR | Utilities | 1.46% | $4.77M |
| Weatherford International PLC | WFRD | Industrials | 1.43% | $4.68M |
| Popular Inc | BPOP | Financials | 1.41% | $4.62M |
| Advanced Energy Industries Inc | AEIS | Information Technology | 1.39% | $4.55M |
| Brunswick Corp/DE | BC | Industrials | 1.29% | $4.20M |
| EchoStar Corp | ECHO | Communication Services | 1.28% | $4.17M |
| Envista Holdings Corp | NVST | Health Care | 1.27% | $4.14M |
| Lincoln National Corp | LNC | Financials | 1.27% | $4.13M |
| Legence Corp | LGN | Industrials | 1.25% | $4.09M |
| Avient Corp | AVNT | Materials | 1.21% | $3.94M |
| Beacon Financial Corp | BBT | Financials | 1.21% | $3.94M |
| Five9 Inc | FIVN | Information Technology | 1.19% | $3.90M |
| Essential Properties Realty Trust Inc | EPRT | Real Estate | 1.15% | $3.77M |
| Piedmont Realty Trust Inc | PDM | Real Estate | 1.13% | $3.68M |
| Voya Financial Inc | VOYA | Financials | 1.12% | $3.65M |
| Flowserve Corp | FLS | Industrials | 1.10% | $3.58M |
| Cathay General Bancorp | CATY | Financials | 1.09% | $3.56M |
| AGCO Corp | AGCO | Industrials | 1.09% | $3.56M |
| Element Solutions Inc | ESI | Materials | 1.06% | $3.45M |
| Expro Group Holdings NV | — | Energy | 1.02% | $3.33M |
| SLM Corp | SLM | Financials | 1.01% | $3.31M |
| Hanover Insurance Group Inc/The | THG | Financials | 0.98% | $3.20M |
| Chefs' Warehouse Inc/The | CHEF | Consumer Staples | 0.97% | $3.16M |
| Grand Canyon Education Inc | LOPE | Consumer Discretionary | 0.96% | $3.15M |
| Terex Corp | TEX | Industrials | 0.92% | $3.01M |
| Highwoods Properties Inc | HIW | Real Estate | 0.90% | $2.92M |
| TriNet Group Inc | TNET | Industrials | 0.90% | $2.92M |
| TTM Technologies Inc | TTMI | Information Technology | 0.89% | $2.92M |
| Columbia Banking System Inc | COLB | Financials | 0.89% | $2.91M |
| Covista Inc | CVSA | Consumer Discretionary | 0.88% | $2.87M |
| Southwest Gas Holdings Inc | SWX | Energy | 0.87% | $2.83M |
| Visteon Corp | VC | Consumer Discretionary | 0.80% | $2.62M |
| Bread Financial Holdings Inc | BFH | Financials | 0.80% | $2.61M |
| Hexcel Corp | HXL | Materials | 0.79% | $2.59M |
| Spire Inc | SR | Utilities | 0.77% | $2.52M |
| Pegasystems Inc | PEGA | Information Technology | 0.75% | $2.46M |
| Kadant Inc | KAI | Industrials | 0.72% | $2.36M |
| Q2 Holdings Inc | QTWO | Information Technology | 0.71% | $2.33M |
| SSR Mining Inc | SSRM | Financials | 0.71% | $2.31M |
| Newell Brands Inc | NWL | Materials | 0.69% | $2.27M |
| Sterling Infrastructure Inc | STRL | Industrials | 0.69% | $2.26M |
| Hecla Mining Co | HL | Materials | 0.68% | $2.22M |
| Axis Capital Holdings Ltd | AXS | Financials | 0.67% | $2.19M |
| Primoris Services Corp | PRIM | Industrials | 0.67% | $2.18M |
| Allegro MicroSystems Inc | ALGM | Information Technology | 0.66% | $2.14M |
| AtriCure Inc | ATRC | Health Care | 0.65% | $2.13M |
| Elastic NV | ESTC | Information Technology | 0.65% | $2.13M |
| Clear Secure Inc | YOU | Information Technology | 0.65% | $2.12M |
| Wolverine World Wide Inc | WWW | Consumer Discretionary | 0.65% | $2.12M |
| Praxis Precision Medicines Inc | PRAX | Health Care | 0.64% | $2.08M |
| BILL Holdings Inc | BILL | Information Technology | 0.58% | $1.89M |
| Credo Technology Group Holding Ltd | CRDO | Information Technology | 0.58% | $1.88M |
| ACI Worldwide Inc | ACIW | Information Technology | 0.56% | $1.83M |
| Par Pacific Holdings Inc | PARR | Energy | 0.55% | $1.81M |
| Cytokinetics Inc | CYTK | Health Care | 0.54% | $1.77M |
| Texas Capital Bancshares Inc | TCBI | Financials | 0.54% | $1.76M |
| GCM Grosvenor Inc | GCMG | Financials | 0.54% | $1.75M |
| Photronics Inc | PLAB | Information Technology | 0.53% | $1.72M |
| Phoenix Education Partners Inc | PXED | Consumer Discretionary | 0.52% | $1.69M |
| Cerence Inc | CRNC | Information Technology | 0.51% | $1.68M |
| NNN REIT Inc | NNN | Real Estate | 0.51% | $1.68M |
| Simpson Manufacturing Co Inc | SSD | Industrials | 0.51% | $1.67M |
| Mativ Holdings Inc | MATV | Materials | 0.51% | $1.65M |
| Oil States International Inc | OIS | Industrials | 0.50% | $1.64M |
| Saia Inc | SAIA | Industrials | 0.48% | $1.57M |
| RXO Inc | RXO | Consumer Discretionary | 0.48% | $1.56M |
| PROG Holdings Inc | PRG | Industrials | 0.47% | $1.54M |
| Iridium Communications Inc | IRDM | Communication Services | 0.47% | $1.52M |
| Sanmina Corp | SANM | Information Technology | 0.46% | $1.51M |
| Karman Holdings Inc | KRMN | Industrials | 0.46% | $1.49M |
| Cirrus Logic Inc | CRUS | Information Technology | 0.46% | $1.49M |
| East West Bancorp Inc | EWBC | Financials | 0.45% | $1.48M |
| Planet Labs PBC | PL | Information Technology | 0.45% | $1.48M |
| SM Energy Co | SM | Energy | 0.45% | $1.47M |
| Kymera Therapeutics Inc | KYMR | Health Care | 0.44% | $1.43M |
| Cushman & Wakefield Ltd | CWK | Real Estate | 0.43% | $1.41M |
| Teladoc Health Inc | TDOC | Health Care | 0.42% | $1.38M |
| Caledonia Mining Corp PLC | CMCL | Materials | 0.42% | $1.37M |
| Permian Resources Corp | PR | Energy | 0.42% | $1.36M |
| CACI International Inc | CACI | Information Technology | 0.41% | $1.34M |
| United Community Banks Inc/GA | UCB | Financials | 0.39% | $1.28M |
| Mirum Pharmaceuticals Inc | MIRM | Health Care | 0.39% | $1.27M |
| Methode Electronics Inc | MEI | Information Technology | 0.39% | $1.27M |
| Indivior Pharmaceuticals Inc | INDV | Health Care | 0.39% | $1.26M |
| Once Upon a Farm PBC | OFRM | Consumer Staples | 0.38% | $1.24M |
| ADTRAN Holdings Inc | ADTN | Information Technology | 0.37% | $1.22M |
| Prestige Consumer Healthcare Inc | PBH | Health Care | 0.37% | $1.19M |
| Ionis Pharmaceuticals Inc | IONS | Health Care | 0.36% | $1.19M |
| Novavax Inc | NVAX | Health Care | 0.36% | $1.17M |
| Upwork Inc | UPWK | Information Technology | 0.35% | $1.15M |
| Fabrinet | FN | Information Technology | 0.35% | $1.14M |
| MFS Institutional Money Market Portfolio | — | Funds & ETFs | 0.35% | $1.13M |
| IRhythm Holdings Inc | IRTC | Health Care | 0.34% | $1.12M |
BRSUX Sector Allocation
MFS Blended Research Small Cap Equity Fund holdings grouped by sector, by share of the portfolio's market value.
| Sector | Weight | Holdings |
|---|---|---|
| Information Technology | 19.6% | 43 |
| Industrials | 19.2% | 36 |
| Financials | 15.7% | 25 |
| Health Care | 15.3% | 76 |
| Consumer Discretionary | 7.2% | 16 |
| Materials | 6.0% | 11 |
| Real Estate | 4.2% | 6 |
| Energy | 4.0% | 9 |
| Communication Services | 2.6% | 6 |
| Funds & ETFs | 2.3% | 2 |
| Utilities | 2.2% | 3 |
| Consumer Staples | 1.6% | 3 |
BRSUX Country Allocation
Where MFS Blended Research Small Cap Equity Fund's holdings are domiciled, by percentage of net assets (largest 9).
| Country | % of net assets |
|---|---|
| United States | 92.3% |
| Ireland | 2.0% |
| Netherlands | 1.7% |
| Bermuda | 1.4% |
| Puerto Rico | 1.4% |
| Cayman Islands | 1.4% |
| Canada | 0.7% |
| Jersey | 0.6% |
| United Kingdom | 0.4% |
BRSUX Portfolio Allocation
Asset-class allocation of MFS Blended Research Small Cap Equity Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.9% |
| Cash & Equivalents | 2.0% |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.