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Super Investors / MFS Mid Cap Growth Fund

MFS Mid Cap Growth Fund

Mfs Series Trust Iv · net assets $13.8B · 105 holdings as of February 28, 2026. Monthly N-PORT disclosure: the full book, not just equities.

Asset mix

EC: 98.9% · STIV: 1.1% · DO: 0.0%

Financial position

Total assets
$13.8B
Total liabilities
$34M
Net assets
$13.8B
Assets attributable to miscellaneous securities
$0
Assets invested in controlled foreign corporations
$0
Borrowings payable within one year
$0
Payable to controlled companies within one year
$0
Payable to other affiliates within one year
$0
Other liabilities payable within one year
$0
Borrowings payable after one year
$0
Payable to controlled companies after one year
$0
Payable to other affiliates after one year
$0
Other liabilities payable after one year
$0
Payables for delayed-delivery investments
$0
Payables for standby commitments
$0
Liquidation preference of outstanding preferred stock
$0
Cash not reported in Parts C or D
$0

Monthly flows and gains

Month 1 Month 2 Month 3
Sales $315M $231M $177M
Reinvestment $1.83B $0 $0
Redemptions $447M $405M $352M
Net realized gain (non-derivative) $288M $192M $-133M
Net unrealized appreciation (non-derivative) $-528M $-266M $217M

The three months of the reporting period, as filed; month 3 ends February 28, 2026.

Filing details

Registrant
Mfs Series Trust Iv
Registrant CIK
63068
Registrant LEI
549300SSA281MOJG8J61
Series
MFS Mid Cap Growth Fund
Series ID
S000002434
Series LEI
XPX0WXKIO6CLKBLYF666
SEC file number
811-02594
Address
111 Huntington Avenue, Boston, US-MA, 02199, US
Phone
617-954-5000
Form
NPORT-P
Filed
April 22, 2026
Report period ends
August 31, 2026
Report month ends
February 28, 2026
Accession number
000207169126008224
Holding Value % of net assets
Howmet Aerospace, Inc. EC $605M 4.38%
Monolithic Power Systems, Inc. EC $441M 3.20%
Take-two Interactive Software, Inc. EC $399M 2.89%
Quanta Services, Inc. EC $376M 2.73%
Live Nation Entertainment, Inc. EC $350M 2.54%
Tko Group Holdings, Inc. EC $320M 2.32%
Ascendis Pharma A/s EC $299M 2.17%
Natera, Inc. EC $295M 2.14%
Masimo Corp. EC $288M 2.09%
Vistra Corp. EC $281M 2.04%
Cheniere Energy, Inc. EC $275M 1.99%
Lpl Financial Holdings, Inc. EC $270M 1.96%
Axon Enterprise, Inc. EC $260M 1.89%
Burlington Stores, Inc. EC $243M 1.76%
Cbre Group, Inc. EC $237M 1.72%
Wingstop, Inc. EC $236M 1.71%
Nasdaq, Inc. EC $229M 1.66%
Vulcan Materials Co. EC $226M 1.64%
Roblox Corp. EC $219M 1.59%
Viking Holdings Ltd. EC $208M 1.51%
Cameco Corp. EC $201M 1.46%
Hyatt Hotels Corp. EC $197M 1.43%
Carlyle Group, Inc. (the) EC $190M 1.38%
Carvana Co. EC $190M 1.38%
O'reilly Automotive, Inc. EC $186M 1.35%
Cloudflare, Inc. EC $178M 1.29%
Tapestry, Inc. EC $173M 1.25%
Agilent Technologies, Inc. EC $171M 1.24%
Curtiss-wright Corp. EC $171M 1.24%
Steris PLC EC $167M 1.21%
Trimble, Inc. EC $160M 1.16%
Emcor Group, Inc. EC $159M 1.15%
Mfs Institutional Money Market Portfolio STIV $150M 1.09%
Bwx Technologies, Inc. EC $142M 1.03%
Coherent Corp. EC $139M 1.01%
Hexcel Corp. EC $138M 1.00%
Carnival Corp. EC $138M 1.00%
Vertiv Holdings Co. EC $133M 0.96%
Asm International Nv EC $132M 0.96%
Expand Energy Corp. EC $131M 0.95%
Royal Caribbean Cruises Ltd. EC $129M 0.94%
Guidewire Software, Inc. EC $127M 0.92%
Ciena Corp. EC $123M 0.89%
Hubbell, Inc. EC $122M 0.89%
Okta, Inc. EC $120M 0.87%
Waters Corp. EC $120M 0.87%
Gfl Environmental, Inc. EC $119M 0.86%
Draftkings, Inc. EC $118M 0.85%
Cadence Design Systems, Inc. EC $117M 0.85%
Coupang, Inc. EC $117M 0.85%
Celsius Holdings, Inc. EC $114M 0.82%
Repligen Corp. EC $112M 0.81%
Seagate Technology Holdings PLC EC $111M 0.81%
Alnylam Pharmaceuticals, Inc. EC $110M 0.80%
Ametek, Inc. EC $109M 0.79%
Datadog, Inc. EC $108M 0.78%
Bio-techne Corp. EC $106M 0.77%
Rbc Bearings, Inc. EC $106M 0.77%
Performance Food Group Co. EC $105M 0.76%
Aramark EC $104M 0.75%

Showing top 60 of 105 holdings.

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