BMSVX Holdings — MFS Blended Research Mid Cap Equity Fund

Data updated: 2026-09-25

BMSVX holds 160 securities. The top 10 make up 19.9% of net assets, led by Western Digital (2.95%) and Flex (2.67%). Information Technology (18.2%) and Industrials (18.2%) are the largest sectors, and 87.2% of the portfolio is in United States. No debt holdings are reported.

Holdings cover 99.83% of net asset value (99.67% of total assets; remainder is cash and receivables). As of May 31, 2026 · N-PORT.

BMSVX Portfolio Holdings

160 holdings of MFS Blended Research Mid 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 160.

HoldingTickerSector% of net assetsValue (USD)
Western Digital Corp.WDCInformation Technology2.95%$86.43M
Flex Ltd.FLEXInformation Technology2.67%$78.42M
Valero Energy Corp.VLOEnergy1.99%$58.27M
Ciena Corp.CIENInformation Technology1.90%$55.75M
Viking Holdings Ltd.VIKConsumer Discretionary1.86%$54.51M
Okta, Inc.OKTAInformation Technology1.82%$53.48M
Northern Trust Corp.NTRSFinancials1.76%$51.56M
AramarkARMKConsumer Discretionary1.70%$49.97M
Westinghouse Air Brake Technologies Corp.WABIndustrials1.62%$47.59M
Edison InternationalEIXUtilities1.59%$46.64M
Popular, Inc.BPOPFinancials1.50%$44.14M
Phillips 66PSXEnergy1.48%$43.31M
Humana, Inc.HUMHealth Care1.46%$42.71M
PG&E Corp.PCGUtilities1.45%$42.57M
Ameriprise Financial, Inc.AMPFinancials1.44%$42.24M
Curtiss-Wright Corp.CWIndustrials1.40%$41.12M
TechnipFMC plcFTIEnergy1.36%$39.81M
Datadog, Inc., Class ADDOGInformation Technology1.35%$39.59M
Illumina, Inc.ILMNHealth Care1.30%$38.14M
AGCO Corp.AGCOIndustrials1.23%$36.22M
Synchrony FinancialSYFFinancials1.19%$34.81M
Aptiv plcAPTVConsumer Discretionary1.18%$34.75M
BWX Technologies, Inc.BWXTIndustrials1.12%$32.77M
Equitable Holdings, Inc.EQHFinancials1.11%$32.63M
AMETEK, Inc.AMEIndustrials1.10%$32.36M
Masco Corp.MASIndustrials1.10%$32.31M
Everest Group Ltd.EGFinancials1.10%$32.16M
WP Carey, Inc.WPCReal Estate1.09%$31.95M
TKO Group Holdings, Inc.TKOConsumer Discretionary1.07%$31.54M
Envista Holdings Corp.NVSTHealth Care1.07%$31.41M
Teradyne, Inc.TERInformation Technology1.04%$30.62M
O'Reilly Automotive, Inc.ORLYConsumer Discretionary1.02%$30.06M
Dollar General Corp.DGConsumer Staples1.02%$29.95M
Texas Capital Bancshares, Inc.TCBIFinancials1.01%$29.61M
Mohawk Industries, Inc.MHKConsumer Discretionary1.00%$29.34M
Dexcom, Inc.DXCMHealth Care0.98%$28.89M
Highwoods Properties, Inc.HIWReal Estate0.96%$28.03M
IQVIA Holdings, Inc.IQVHealth Care0.95%$27.97M
Hartford Insurance Group, Inc. (The)HIGFinancials0.94%$27.73M
Leidos Holdings, Inc.LDOSInformation Technology0.94%$27.45M
Textron, Inc.TXTIndustrials0.93%$27.32M
Brunswick Corp.BCIndustrials0.92%$27.01M
RPM International, Inc.RPMMaterials0.88%$25.87M
Eastman Chemical Co.EMNMaterials0.86%$25.21M
MYR Group, Inc.MYRGIndustrials0.85%$24.89M
Avient Corp.AVNTMaterials0.82%$24.17M
Amkor Technology, Inc.AMKRInformation Technology0.81%$23.79M
Omnicom Group, Inc.OMCCommunication Services0.79%$23.30M
Incyte Corp.INCYHealth Care0.79%$23.27M
Roku, Inc.ROKUCommunication Services0.78%$22.91M
Portland General Electric Co.PORUtilities0.77%$22.51M
Exelixis, Inc.EXELHealth Care0.76%$22.33M
Biogen, Inc.BIIBHealth Care0.76%$22.30M
McKesson Corp.MCKHealth Care0.74%$21.71M
Verisk Analytics, Inc.VRSKIndustrials0.71%$20.89M
TriNet Group, Inc.TNETIndustrials0.70%$20.44M
Ingredion, Inc.INGRConsumer Staples0.69%$20.37M
Cousins Properties, Inc.CUZReal Estate0.69%$20.36M
Voya Financial, Inc.VOYAFinancials0.69%$20.31M
Ferguson Enterprises, Inc.FERGIndustrials0.69%$20.15M
Essential Properties Realty Trust, Inc.EPRTReal Estate0.68%$20.03M
Universal Health Services, Inc., Class BUHSHealth Care0.67%$19.61M
Jones Lang LaSalle, Inc.JLLReal Estate0.66%$19.48M
Zoom Communications, Inc.ZMInformation Technology0.66%$19.25M
nVent Electric plcNVTIndustrials0.65%$19.18M
Ross Stores, Inc.ROSTConsumer Discretionary0.64%$18.88M
Cirrus Logic, Inc.CRUSInformation Technology0.63%$18.49M
Expand Energy Corp.EXEEnergy0.62%$18.12M
Raymond James Financial, Inc.RJFFinancials0.62%$18.06M
ROBLOX Corp., Class ARBLXCommunication Services0.60%$17.61M
CareTrust REIT, Inc.CTREReal Estate0.58%$16.93M
JB Hunt Transport Services, Inc.JBHTIndustrials0.57%$16.82M
Jacobs Solutions, Inc.JIndustrials0.56%$16.41M
Talen Energy Corp.TLNUtilities0.54%$15.97M
Etsy, Inc.ETSYIndustrials0.54%$15.97M
Simon Property Group, Inc.SPGReal Estate0.52%$15.39M
Monolithic Power Systems, Inc.MPWRInformation Technology0.52%$15.26M
CBRE Group, Inc., Class ACBREReal Estate0.52%$15.21M
Zebra Technologies Corp., Class AZBRAIndustrials0.50%$14.76M
Texas Roadhouse, Inc.TXRHConsumer Discretionary0.49%$14.35M
Lamar Advertising Co., Class ALAMRReal Estate0.48%$13.96M
Dropbox, Inc., Class ADBXInformation Technology0.47%$13.84M
SkyWest, Inc.SKYWIndustrials0.46%$13.59M
Albertsons Cos., Inc., Class AACIConsumer Staples0.45%$13.26M
United Airlines Holdings, Inc.UALIndustrials0.45%$13.10M
Sandisk Corp.SNDKInformation Technology0.44%$13.05M
MFS Institutional Money Market Portfolio, Class A—Funds & ETFs0.44%$12.93M
GoDaddy, Inc., Class AGDDYInformation Technology0.43%$12.75M
Antero Resources Corp.AREnergy0.43%$12.61M
Banc of California, Inc.BANCFinancials0.43%$12.59M
Axis Capital Holdings Ltd.AXSFinancials0.42%$12.47M
Flowserve Corp.FLSIndustrials0.42%$12.28M
NRG Energy, Inc.NRGUtilities0.42%$12.25M
National Fuel Gas Co.NFGUtilities0.41%$12.10M
US Foods Holding Corp.USFDConsumer Staples0.41%$11.97M
Constellium SECSTMMaterials0.39%$11.42M
Anglogold Ashanti plcAUMaterials0.39%$11.37M
Lincoln National Corp.LNCFinancials0.38%$11.17M
Newell Brands, Inc.NWLMaterials0.37%$10.99M
Corebridge Financial, Inc.CRBGFinancials0.36%$10.49M

BMSVX Sector Allocation

MFS Blended Research Mid Cap Equity Fund holdings grouped by sector, by share of the portfolio's market value.

SectorWeightHoldings
Information Technology18.2%25
Industrials18.2%31
Financials13.8%21
Consumer Discretionary10.8%19
Health Care10.2%14
Energy6.4%9
Real Estate6.3%10
Utilities6.2%10
Materials4.3%10
Consumer Staples2.7%5
Communication Services2.4%5
Funds & ETFs0.4%1

BMSVX Country Allocation

Where MFS Blended Research Mid Cap Equity Fund's holdings are domiciled, by percentage of net assets (largest 9).

Country% of net assets
United States87.2%
Bermuda3.5%
Singapore2.7%
United Kingdom1.7%
Puerto Rico1.5%
Jersey1.4%
Ireland1.2%
France0.4%
Luxembourg0.1%

BMSVX Portfolio Allocation

Asset-class allocation of MFS Blended Research Mid Cap Equity Fund by percentage of net assets, from the latest SEC N-PORT filing.

Asset classAllocation
Equity99.4%
Cash & Equivalents0.4%

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.