MNDIX
MFS New Discovery Fund
MFS SERIES TRUST I

Portfolio concentration

As of February 28, 2026 · N-PORT
Holdings
108
Top-10 weight
22.77%
Effective holdings ?
73
Crowding ?
399.0

Holdings

As of February 28, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 MFS Institutional Money Market Portfolio, Class A 103,182,629 $103.19M 4.93%
2 ADV ENERGY INDS 181,264 $60.83M 2.90%
3 LIGAND PHARMACEUTICALS 240,630 $47.72M 2.28%
4 QXO INC 1,949,869 $46.70M 2.23%
5 MODINE MFG CO 177,424 $40.32M 1.93%
6 NVENT ELECTRIC PLC 331,297 $39.21M 1.87%
7 MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC 156,382 $38.80M 1.85%
8 BIO-TECHNE CORP 644,777 $38.04M 1.82%
9 LITTELFUSE INC 96,522 $34.02M 1.62%
10 FLOWSERVE CORP 364,538 $32.27M 1.54%
11 NLIGHT INC 568,016 $31.92M 1.52%
12 CHEFS WAREHOUSE INC 439,908 $31.41M 1.50%
13 LEGENCE CORP-A 534,017 $31.00M 1.48%
14 JFROG LTD 770,563 $30.94M 1.48%
15 CRANE CO 154,058 $30.89M 1.48%
16 XPO LOGISTICS INC 146,513 $30.84M 1.47%
17 PRIMORIS SVCS CORP 204,248 $30.78M 1.47%
18 TOPBUILD CORP 67,955 $30.46M 1.45%
19 INTEGER HOLDINGS CORP 332,845 $28.85M 1.38%
20 CACI INTL-A 46,719 $28.51M 1.36%
21 TERRENO REALTY CORP 431,089 $28.48M 1.36%
22 FORMFACTOR INC 287,238 $28.40M 1.36%
23 KNIFE RIVER HOLDING CO W/I 318,820 $28.37M 1.35%
24 LEONARDO DRS INC 650,719 $28.23M 1.35%
25 TTM TECHNOLOGIES INC 264,840 $27.61M 1.32%
26 CHARLES RIVER LABS INTL INC 151,776 $27.09M 1.29%
27 HAMILTON LANE INC - A 256,114 $26.88M 1.28%
28 BLOOM ENERGY CORP CL A 162,058 $25.23M 1.20%
29 James Hardie Industries Public Limited Company JHX 1,021,281 $24.87M 1.19%
30 IONIS PHARMACEUTICALS INC 306,440 $24.87M 1.19%
31 PATRICK INDUSTRIES INC 194,539 $24.08M 1.15%
32 WAYSTAR HOLDING CORP 929,763 $23.85M 1.14%
33 SCHRODINGER INC 1,939,973 $23.40M 1.12%
34 ELEMENT SOLUTIONS INC 657,797 $23.08M 1.10%
35 TECHNIPFMC PLC 343,557 $22.78M 1.09%
36 OLLIES BARGAIN OUTLET HOLDINGS INC 212,183 $22.72M 1.09%
37 PJT PARTNERS INC 152,073 $22.46M 1.07%
38 COLLEGIUM PHARMACEUTICAL INC 538,945 $22.46M 1.07%
39 SIMPSON MFG 114,246 $22.11M 1.06%
40 BRUNSWICK CORP 275,821 $21.96M 1.05%
41 JPMORGAN US GOVERNMENT MONEY MARKET FUND OPEN-END FUND USD MGMXX 21,395,403 $21.40M 1.02%
42 STANDARDAERO INC 643,999 $19.84M 0.95%
43 Ascendis Pharma A/S 81,267 $18.98M 0.91%
44 WISDOMTREE INVESTMENTS INC 1,103,339 $18.88M 0.90%
45 GLOBUS MEDICAL INC 191,893 $18.32M 0.87%
46 ALKAMI TECHNOLOGY INC 1,098,764 $18.18M 0.87%
47 GENIUS SPORTS LTD GENI 2,900,461 $18.01M 0.86%
48 BIRKENSTOCK HOLDING LTD 427,501 $17.81M 0.85%
49 CCC INTELLIGENT SOLUTIONS HOLD CL A 3,046,362 $17.76M 0.85%
50 AMPRIUS TECHNOLOGIES INC 1,622,119 $17.41M 0.83%
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