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Holdings (Monthly) Guide ↗

MFS Blended Research Mid Cap Equity Fund

· MFS Series Trust X
Monthly Holdings $2.6B AUM 150 positions Period Feb 2026 Filed Apr 22, 2026 EDGAR ↗ ← All Funds
# Name Ticker Since Shares Value % Port Cat
1 TechnipFMC plc N/A Feb 2026 769,680 $51.0M 2.00% EC
2 Valero Energy Corp. 91913Y100 Feb 2026 239,151 $48.9M 1.91% EC
3 Phillips 66 718546104 Feb 2026 304,950 $47.1M 1.84% EC
4 Edison International 281020107 Feb 2026 610,662 $45.6M 1.78% EC
5 PG&E Corp. 69331C108 Feb 2026 2,385,521 $45.3M 1.77% EC
6 Westinghouse Air Brake Technologies Corp. 929740108 Feb 2026 166,839 $44.0M 1.72% EC
7 Viking Holdings Ltd. N/A Feb 2026 541,847 $42.3M 1.65% EC
8 Northern Trust Corp. 665859104 Feb 2026 285,341 $40.8M 1.60% EC
9 Ameriprise Financial, Inc. 03076C106 Feb 2026 86,779 $40.8M 1.60% EC
10 AGCO Corp. 001084102 Feb 2026 295,387 $40.3M 1.58% EC
11 Dollar General Corp. 256677105 Feb 2026 247,922 $38.7M 1.51% EC
12 Popular, Inc. 733174700 Feb 2026 272,099 $36.8M 1.44% EC
13 Aramark 03852U106 Feb 2026 857,210 $35.9M 1.40% EC
14 Aptiv plc N/A Feb 2026 487,273 $35.8M 1.40% EC
15 Envista Holdings Corp. 29415F104 Feb 2026 1,221,424 $35.7M 1.40% EC
16 BWX Technologies, Inc. 05605H100 Feb 2026 172,085 $35.4M 1.39% EC
17 Curtiss-Wright Corp. 231561101 Feb 2026 50,356 $35.3M 1.38% EC
18 Leidos Holdings, Inc. 525327102 Feb 2026 196,658 $34.4M 1.35% EC
19 Flex Ltd. N/A Feb 2026 546,121 $34.4M 1.35% EC
20 McKesson Corp. 58155Q103 Feb 2026 34,699 $34.3M 1.34% EC
21 TKO Group Holdings, Inc. 87256C101 Feb 2026 140,738 $31.5M 1.23% EC
22 Mohawk Industries, Inc. 608190104 Feb 2026 250,113 $31.3M 1.23% EC
23 NRG Energy, Inc. 629377508 Feb 2026 173,688 $31.1M 1.22% EC
24 Synchrony Financial 87165B103 Feb 2026 446,108 $30.8M 1.21% EC
25 WP Carey, Inc. 92936U109 Feb 2026 410,389 $30.6M 1.20% EC
26 ROBLOX Corp. 771049103 Feb 2026 441,828 $30.3M 1.19% EC
27 Masco Corp. 574599106 Feb 2026 421,106 $30.2M 1.18% EC
28 Ciena Corp. 171779309 Feb 2026 85,686 $29.9M 1.17% EC
29 O'Reilly Automotive, Inc. 67103H107 Feb 2026 316,849 $29.7M 1.16% EC
30 Hartford Insurance Group, Inc. (The) 416515104 Feb 2026 209,433 $29.5M 1.15% EC
31 Equitable Holdings, Inc. 29452E101 Feb 2026 722,518 $29.1M 1.14% EC
32 Texas Capital Bancshares, Inc. 88224Q107 Feb 2026 303,839 $29.0M 1.13% EC
33 Okta, Inc. 679295105 Feb 2026 381,964 $27.7M 1.08% EC
34 RPM International, Inc. 749685103 Feb 2026 240,528 $27.4M 1.07% EC
35 Everest Group Ltd. N/A Feb 2026 80,691 $27.1M 1.06% EC
36 Textron, Inc. 883203101 Feb 2026 272,582 $26.9M 1.05% EC
37 Humana, Inc. 444859102 Feb 2026 138,714 $26.4M 1.03% EC
38 Avient Corp. 05368V106 Feb 2026 624,811 $25.7M 1.00% EC
39 Universal Health Services, Inc. 913903100 Feb 2026 122,904 $25.3M 0.99% EC
40 IQVIA Holdings, Inc. 46266C105 Feb 2026 140,569 $25.1M 0.98% EC
41 Omnicom Group, Inc. 681919106 Feb 2026 293,431 $25.0M 0.98% EC
42 Datadog, Inc. 23804L103 Feb 2026 209,831 $23.5M 0.92% EC
43 Eastman Chemical Co. 277432100 Feb 2026 304,251 $23.0M 0.90% EC
44 MFS Institutional Money Market Portfolio 55291X109 Feb 2026 22,791,796 $22.8M 0.89% STIV
45 Verisk Analytics, Inc. 92345Y106 Feb 2026 109,301 $22.7M 0.89% EC
46 Incyte Corp. 45337C102 Feb 2026 220,210 $22.3M 0.87% EC
47 Illumina, Inc. 452327109 Feb 2026 164,936 $22.2M 0.87% EC
48 Highwoods Properties, Inc. 431284108 Feb 2026 983,271 $22.1M 0.86% EC
49 Ferguson Enterprises, Inc. 31488V107 Feb 2026 81,633 $21.3M 0.83% EC
50 Corebridge Financial, Inc. 21871X109 Feb 2026 808,713 $20.9M 0.82% EC
51 Ingredion, Inc. 457187102 Feb 2026 176,428 $20.7M 0.81% EC
52 Builders FirstSource, Inc. 12008R107 Feb 2026 196,889 $20.5M 0.80% EC
53 Essential Properties Realty Trust, Inc. 29670E107 Feb 2026 599,702 $20.4M 0.80% EC
54 AES Corp. (The) 00130H105 Feb 2026 1,155,979 $20.0M 0.78% EC
55 Jones Lang LaSalle, Inc. 48020Q107 Feb 2026 63,180 $19.9M 0.78% EC
56 US Foods Holding Corp. 912008109 Feb 2026 205,536 $19.9M 0.78% EC
57 National Fuel Gas Co. 636180101 Feb 2026 211,428 $19.2M 0.75% EC
58 Lamar Advertising Co. 512816109 Feb 2026 137,596 $19.0M 0.74% EC
59 United Airlines Holdings, Inc. 910047109 Feb 2026 176,686 $18.8M 0.73% EC
60 Biogen, Inc. 09062X103 Feb 2026 94,516 $18.1M 0.71% EC
61 Carnival Corp. 143658300 Feb 2026 566,680 $17.9M 0.70% EC
62 Exelixis, Inc. 30161Q104 Feb 2026 405,103 $17.8M 0.70% EC
63 Raymond James Financial, Inc. 754730109 Feb 2026 115,335 $17.7M 0.69% EC
64 CareTrust REIT, Inc. 14174T107 Feb 2026 427,513 $17.4M 0.68% EC
65 Voya Financial, Inc. 929089100 Feb 2026 258,531 $17.3M 0.68% EC
66 AMETEK, Inc. 031100100 Feb 2026 71,352 $17.1M 0.67% EC
67 Cousins Properties, Inc. 222795502 Feb 2026 695,501 $16.1M 0.63% EC
68 Amkor Technology, Inc. 031652100 Feb 2026 331,416 $15.8M 0.62% EC
69 TriNet Group, Inc. 896288107 Feb 2026 409,656 $15.6M 0.61% EC
70 Brunswick Corp. 117043109 Feb 2026 192,753 $15.3M 0.60% EC
71 Western Digital Corp. 958102105 Feb 2026 54,844 $15.3M 0.60% EC
72 Zoom Communications, Inc. 98980L101 Feb 2026 205,306 $15.2M 0.59% EC
73 SkyWest, Inc. 830879102 Feb 2026 145,241 $15.1M 0.59% EC
74 Jacobs Solutions, Inc. 46982L108 Feb 2026 108,732 $15.0M 0.59% EC
75 Portland General Electric Co. 736508847 Feb 2026 275,127 $14.8M 0.58% EC
76 Cirrus Logic, Inc. 172755100 Feb 2026 99,608 $14.1M 0.55% EC
77 Albertsons Cos., Inc. 013091103 Feb 2026 777,773 $13.9M 0.54% EC
78 Anglogold Ashanti plc N/A Feb 2026 107,475 $13.7M 0.54% EC
79 Newell Brands, Inc. 651229106 Feb 2026 2,960,893 $13.5M 0.53% EC
80 Dropbox, Inc. 26210C104 Feb 2026 538,079 $13.4M 0.53% EC
81 Texas Roadhouse, Inc. 882681109 Feb 2026 72,729 $13.3M 0.52% EC
82 Flowserve Corp. 34354P105 Feb 2026 148,901 $13.2M 0.52% EC
83 Monolithic Power Systems, Inc. 609839105 Feb 2026 11,451 $13.1M 0.51% EC
84 JB Hunt Transport Services, Inc. 445658107 Feb 2026 55,729 $13.0M 0.51% EC
85 GoDaddy, Inc. 380237107 Feb 2026 148,923 $13.0M 0.51% EC
86 Axis Capital Holdings Ltd. N/A Feb 2026 113,521 $12.0M 0.47% EC
87 Dexcom, Inc. 252131107 Feb 2026 162,121 $11.9M 0.47% EC
88 Guidewire Software, Inc. 40171V100 Feb 2026 81,385 $11.8M 0.46% EC
89 Etsy, Inc. 29786A106 Feb 2026 215,253 $11.8M 0.46% EC
90 CBRE Group, Inc. 12504L109 Feb 2026 77,705 $11.5M 0.45% EC
91 Pentair plc N/A Feb 2026 115,227 $11.4M 0.45% EC
92 Simon Property Group, Inc. 828806109 Feb 2026 53,064 $10.8M 0.42% EC
93 Veeva Systems, Inc. 922475108 Feb 2026 58,358 $10.6M 0.42% EC
94 Banc of California, Inc. 05990K106 Feb 2026 557,474 $10.3M 0.40% EC
95 Atmos Energy Corp. 049560105 Feb 2026 53,822 $10.1M 0.39% EC
96 Align Technology, Inc. 016255101 Feb 2026 49,420 $9.4M 0.37% EC
97 Lincoln National Corp. 534187109 Feb 2026 273,254 $9.4M 0.37% EC
98 CNH Industrial NV N/A Feb 2026 748,979 $9.2M 0.36% EC
99 CH Robinson Worldwide, Inc. 12541W209 Feb 2026 48,971 $9.1M 0.35% EC
100 MYR Group, Inc. 55405W104 Feb 2026 33,431 $9.0M 0.35% EC
101 Amphenol Corp. 032095101 Feb 2026 60,912 $8.9M 0.35% EC
102 Allegion plc N/A Feb 2026 53,512 $8.6M 0.34% EC
103 Tapestry, Inc. 876030107 Feb 2026 52,072 $8.1M 0.32% EC
104 M&T Bank Corp. 55261F104 Feb 2026 36,547 $7.9M 0.31% EC
105 Albemarle Corp. 012653101 Feb 2026 43,220 $7.7M 0.30% EC
106 Tutor Perini Corp. 901109108 Feb 2026 101,344 $7.6M 0.30% EC
107 Constellium SE N/A Feb 2026 305,260 $7.6M 0.30% EC
108 Bath & Body Works, Inc. 070830104 Feb 2026 331,874 $7.6M 0.30% EC
109 Pegasystems, Inc. 705573103 Feb 2026 167,817 $7.3M 0.29% EC
110 Polaris, Inc. 731068102 Feb 2026 117,912 $7.2M 0.28% EC
111 nVent Electric plc N/A Feb 2026 53,614 $6.3M 0.25% EC
112 Teradyne, Inc. 880770102 Feb 2026 19,790 $6.3M 0.25% EC
113 Roku, Inc. 77543R102 Feb 2026 62,619 $6.2M 0.24% EC
114 Talen Energy Corp. 87422Q109 Feb 2026 16,408 $6.1M 0.24% EC
115 Sandisk Corp. 80004C200 Feb 2026 9,392 $6.0M 0.23% EC
116 General Mills, Inc. 370334104 Feb 2026 127,357 $5.8M 0.23% EC
117 Organon & Co. 68622V106 Feb 2026 750,657 $5.5M 0.21% EC
118 Sylvamo Corp. 871332102 Feb 2026 115,776 $5.4M 0.21% EC
119 Stanley Black & Decker, Inc. 854502101 Feb 2026 57,463 $5.0M 0.19% EC
120 MongoDB, Inc. 60937P106 Feb 2026 14,403 $4.7M 0.18% EC
121 Advanced Energy Industries, Inc. 007973100 Feb 2026 13,585 $4.6M 0.18% EC
122 VeriSign, Inc. 92343E102 Feb 2026 18,785 $4.3M 0.17% EC
123 Grand Canyon Education, Inc. 38526M106 Feb 2026 26,845 $4.3M 0.17% EC
124 Antero Resources Corp. 03674X106 Feb 2026 114,066 $4.2M 0.16% EC
125 Visteon Corp. 92839U206 Feb 2026 41,207 $3.9M 0.15% EC
126 Ford Motor Co. 345370860 Feb 2026 274,595 $3.9M 0.15% EC
127 ACI Worldwide, Inc. 004498101 Feb 2026 95,662 $3.8M 0.15% EC
128 Chewy, Inc. 16679L109 Feb 2026 132,722 $3.6M 0.14% EC
129 Q2 Holdings, Inc. 74736L109 Feb 2026 71,452 $3.4M 0.13% EC
130 Fluor Corp. 343412102 Feb 2026 64,317 $3.4M 0.13% EC
131 Wolverine World Wide, Inc. 978097103 Feb 2026 182,548 $3.2M 0.13% EC
132 NNN REIT, Inc. 637417106 Feb 2026 70,489 $3.2M 0.12% EC
133 Hanover Insurance Group, Inc. (The) 410867105 Feb 2026 17,092 $3.1M 0.12% EC
134 Garrett Motion, Inc. 366505105 Feb 2026 141,545 $2.9M 0.11% EC
135 VF Corp. 918204108 Feb 2026 144,491 $2.8M 0.11% EC
136 Millicom International Cellular SA N/A Feb 2026 30,882 $2.3M 0.09% EC
137 Zebra Technologies Corp. 989207105 Feb 2026 9,994 $2.2M 0.09% EC
138 BILL Holdings, Inc. 090043100 Feb 2026 50,269 $2.2M 0.09% EC
139 Expand Energy Corp. 165167735 Feb 2026 20,153 $2.2M 0.09% EC
140 Box, Inc. 10316T104 Feb 2026 90,708 $2.1M 0.08% EC
141 Trimble, Inc. 896239100 Feb 2026 30,458 $2.0M 0.08% EC
142 NewMarket Corp. 651587107 Feb 2026 3,094 $1.9M 0.08% EC
143 Assurant, Inc. 04621X108 Feb 2026 8,241 $1.9M 0.07% EC
144 Indivior Pharmaceuticals, Inc. 45579U109 Feb 2026 57,252 $1.9M 0.07% EC
145 Crane Co. 224408104 Feb 2026 8,021 $1.6M 0.06% EC
146 Ameren Corp. 023608102 Feb 2026 13,054 $1.5M 0.06% EC
147 UFP Industries, Inc. 90278Q108 Feb 2026 13,813 $1.4M 0.06% EC
148 Vistra Corp. 92840M102 Feb 2026 5,624 $978K 0.04% EC
149 TPG, Inc. 872657101 Feb 2026 19,700 $855K 0.03% EC
150 Covista, Inc. 00737L103 Feb 2026 7,283 $714K 0.03% EC