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Holdings (Monthly) Guide ↗

MFS Blended Research Mid Cap Equity Fund

· MFS Series Trust X
Monthly Holdings $2.9B AUM 96 positions Period May 2026 Filed Jul 23, 2026 EDGAR ↗ ← All Funds
All 37 New 96 Added 27 Reduced 15 Exited · May 2026 vs Feb 2026
# Name Ticker Since Shares Shares Δ Value Val Δ% % Port Cat
1 Western Digital Corp. 958102105 Feb 2026 162,701 +107,857 $86.4M +463.4% 2.95% EC
2 Ciena Corp. 171779309 Feb 2026 96,080 +10,394 $55.7M +86.6% 1.90% EC
3 Okta, Inc. 679295105 Feb 2026 433,850 +51,886 $53.5M +93.1% 1.82% EC
4 Northern Trust Corp. 665859104 Feb 2026 311,632 +26,291 $51.6M +26.3% 1.76% EC
5 Aramark 03852U106 Feb 2026 936,189 +78,979 $50.0M +39.3% 1.70% EC
6 Westinghouse Air Brake Technologies Corp. 929740108 Feb 2026 182,211 +15,372 $47.6M +8.1% 1.62% EC
7 Edison International 281020107 Feb 2026 666,924 +56,262 $46.6M +2.2% 1.59% EC
8 Popular, Inc. 733174700 Feb 2026 297,168 +25,069 $44.1M +19.8% 1.50% EC
9 Humana, Inc. 444859102 Feb 2026 139,856 +1,142 $42.7M +61.6% 1.46% EC
10 PG&E Corp. 69331C108 Feb 2026 2,605,314 +219,793 $42.6M -6.1% 1.45% EC
11 Ameriprise Financial, Inc. 03076C106 Feb 2026 94,773 +7,994 $42.2M +3.5% 1.44% EC
12 Curtiss-Wright Corp. 231561101 Feb 2026 54,997 +4,641 $41.1M +16.6% 1.40% EC
13 Illumina, Inc. 452327109 Feb 2026 234,067 +69,131 $38.1M +72.0% 1.30% EC
14 AGCO Corp. 001084102 Feb 2026 322,601 +27,214 $36.2M -10.2% 1.23% EC
15 Synchrony Financial 87165B103 Feb 2026 487,212 +41,104 $34.8M +12.9% 1.19% EC
16 Equitable Holdings, Inc. 29452E101 Feb 2026 789,086 +66,568 $32.6M +12.3% 1.11% EC
17 AMETEK, Inc. 031100100 Feb 2026 143,271 +71,919 $32.4M +89.6% 1.10% EC
18 Masco Corp. 574599106 Feb 2026 459,905 +38,799 $32.3M +7.1% 1.10% EC
19 WP Carey, Inc. 92936U109 Feb 2026 429,379 +18,990 $32.0M +4.3% 1.09% EC
20 TKO Group Holdings, Inc. 87256C101 Feb 2026 153,705 +12,967 $31.5M +0.1% 1.07% EC
21 Envista Holdings Corp. 29415F104 Feb 2026 1,333,961 +112,537 $31.4M -11.9% 1.07% EC
22 Teradyne, Inc. 880770102 Feb 2026 81,807 +62,017 $30.6M +383.5% 1.04% EC
23 O'Reilly Automotive, Inc. 67103H107 Feb 2026 346,042 +29,193 $30.1M +1.1% 1.02% EC
24 Dollar General Corp. 256677105 Feb 2026 270,766 +22,844 $29.9M -22.7% 1.02% EC
25 Mohawk Industries, Inc. 608190104 Feb 2026 273,158 +23,045 $29.3M -6.3% 1.00% EC
26 Dexcom, Inc. 252131107 Feb 2026 391,759 +229,638 $28.9M +142.7% 0.98% EC
27 Highwoods Properties, Inc. 431284108 Feb 2026 1,073,865 +90,594 $28.0M +26.7% 0.96% EC
28 IQVIA Holdings, Inc. 46266C105 Feb 2026 153,521 +12,952 $28.0M +11.3% 0.95% EC
29 Hartford Insurance Group, Inc. (The) 416515104 Feb 2026 218,091 +8,658 $27.7M -6.0% 0.94% EC
30 Leidos Holdings, Inc. 525327102 Feb 2026 214,777 +18,119 $27.4M -20.3% 0.94% EC
31 Textron, Inc. 883203101 Feb 2026 297,698 +25,116 $27.3M +1.6% 0.93% EC
32 Brunswick Corp. 117043109 Feb 2026 322,493 +129,740 $27.0M +76.0% 0.92% EC
33 RPM International, Inc. 749685103 Feb 2026 244,136 +3,608 $25.9M -5.7% 0.88% EC
34 Eastman Chemical Co. 277432100 Feb 2026 332,284 +28,033 $25.2M +9.7% 0.86% EC
35 MYR Group, Inc. 55405W104 Feb 2026 53,526 +20,095 $24.9M +175.8% 0.85% EC
36 Avient Corp. 05368V106 Feb 2026 682,378 +57,567 $24.2M -5.8% 0.82% EC
37 Amkor Technology, Inc. 031652100 Feb 2026 341,983 +10,567 $23.8M +50.1% 0.81% EC
38 Omnicom Group, Inc. 681919106 Feb 2026 320,467 +27,036 $23.3M -6.9% 0.79% EC
39 Incyte Corp. 45337C102 Feb 2026 240,499 +20,289 $23.3M +4.3% 0.79% EC
40 Roku, Inc. 77543R102 Feb 2026 175,977 +113,358 $22.9M +271.8% 0.78% EC
41 Portland General Electric Co. 736508847 Feb 2026 449,070 +173,943 $22.5M +51.6% 0.77% EC
42 Exelixis, Inc. 30161Q104 Feb 2026 442,427 +37,324 $22.3M +25.1% 0.76% EC
43 Biogen, Inc. 09062X103 Feb 2026 113,786 +19,270 $22.3M +23.0% 0.76% EC
44 Verisk Analytics, Inc. 92345Y106 Feb 2026 119,371 +10,070 $20.9M -7.9% 0.71% EC
45 TriNet Group, Inc. 896288107 Feb 2026 447,398 +37,742 $20.4M +31.0% 0.70% EC
46 Ingredion, Inc. 457187102 Feb 2026 200,802 +24,374 $20.4M -1.7% 0.69% EC
47 Cousins Properties, Inc. 222795502 Feb 2026 759,581 +64,080 $20.4M +26.4% 0.69% EC
48 Ferguson Enterprises, Inc. 31488V107 Feb 2026 89,155 +7,522 $20.1M -5.4% 0.69% EC
49 Essential Properties Realty Trust, Inc. 29670E107 Feb 2026 654,957 +55,255 $20.0M -1.6% 0.68% EC
50 Universal Health Services, Inc. 913903100 Feb 2026 134,228 +11,324 $19.6M -22.6% 0.67% EC
51 Jones Lang LaSalle, Inc. 48020Q107 Feb 2026 69,002 +5,822 $19.5M -2.3% 0.66% EC
52 Cirrus Logic, Inc. 172755100 Feb 2026 108,787 +9,179 $18.5M +31.5% 0.63% EC
53 Expand Energy Corp. 165167735 Feb 2026 194,855 +174,702 $18.1M +733.0% 0.62% EC
54 Raymond James Financial, Inc. 754730109 Feb 2026 125,961 +10,626 $18.1M +2.3% 0.62% EC
55 JB Hunt Transport Services, Inc. 445658107 Feb 2026 60,864 +5,135 $16.8M +29.3% 0.57% EC
56 Jacobs Solutions, Inc. 46982L108 Feb 2026 136,908 +28,176 $16.4M +9.5% 0.56% EC
57 Talen Energy Corp. 87422Q109 Feb 2026 41,282 +24,874 $16.0M +162.3% 0.54% EC
58 Etsy, Inc. 29786A106 Feb 2026 235,085 +19,832 $16.0M +35.2% 0.54% EC
59 Simon Property Group, Inc. 828806109 Feb 2026 75,104 +22,040 $15.4M +42.3% 0.52% EC
60 CBRE Group, Inc. 12504L109 Feb 2026 121,645 +43,940 $15.2M +32.6% 0.52% EC
61 Zebra Technologies Corp. 989207105 Feb 2026 60,595 +50,601 $14.8M +559.6% 0.50% EC
62 Texas Roadhouse, Inc. 882681109 Feb 2026 79,430 +6,701 $14.3M +7.9% 0.49% EC
63 SkyWest, Inc. 830879102 Feb 2026 158,624 +13,383 $13.6M -10.1% 0.46% EC
64 Albertsons Cos., Inc. 013091103 Feb 2026 849,436 +71,663 $13.3M -4.8% 0.45% EC
65 Antero Resources Corp. 03674X106 Feb 2026 352,712 +238,646 $12.6M +200.3% 0.43% EC
66 Banc of California, Inc. 05990K106 Feb 2026 655,186 +97,712 $12.6M +22.3% 0.43% EC
67 Flowserve Corp. 34354P105 Feb 2026 162,618 +13,717 $12.3M -6.8% 0.42% EC
68 Lincoln National Corp. 534187109 Feb 2026 316,460 +43,206 $11.2M +19.2% 0.38% EC
69 Newell Brands, Inc. 651229106 Feb 2026 3,233,698 +272,805 $11.0M -18.4% 0.37% EC
70 Albemarle Corp. 012653101 Feb 2026 58,785 +15,565 $10.4M +34.3% 0.35% EC
71 Atmos Energy Corp. 049560105 Feb 2026 58,780 +4,958 $9.9M -1.1% 0.34% EC
72 Polaris, Inc. 731068102 Feb 2026 138,608 +20,696 $9.8M +36.6% 0.33% EC
73 Vistra Corp. 92840M102 Feb 2026 56,292 +50,668 $9.0M +822.3% 0.31% EC
74 M&T Bank Corp. 55261F104 Feb 2026 39,915 +3,368 $8.6M +8.8% 0.29% EC
75 Ameren Corp. 023608102 Feb 2026 75,505 +62,451 $8.2M +451.3% 0.28% EC
76 Tutor Perini Corp. 901109108 Feb 2026 110,681 +9,337 $7.9M +3.6% 0.27% EC
77 Advanced Energy Industries, Inc. 007973100 Feb 2026 25,971 +12,386 $7.8M +72.2% 0.27% EC
78 Bath & Body Works, Inc. 070830104 Feb 2026 362,451 +30,577 $7.3M -3.9% 0.25% EC
79 Pegasystems, Inc. 705573103 Feb 2026 183,280 +15,463 $6.5M -10.8% 0.22% EC
80 MongoDB, Inc. 60937P106 Feb 2026 15,730 +1,327 $5.3M +11.6% 0.18% EC
81 Ford Motor Co. 345370860 Feb 2026 299,894 +25,299 $5.2M +35.2% 0.18% EC
82 Garrett Motion, Inc. 366505105 Feb 2026 154,587 +13,042 $5.1M +75.7% 0.17% EC
83 Sylvamo Corp. 871332102 Feb 2026 126,443 +10,667 $5.0M -7.4% 0.17% EC
84 Grand Canyon Education, Inc. 38526M106 Feb 2026 29,318 +2,473 $4.4M +2.9% 0.15% EC
85 Q2 Holdings, Inc. 74736L109 Feb 2026 78,035 +6,583 $3.7M +7.5% 0.13% EC
86 Wolverine World Wide, Inc. 978097103 Feb 2026 199,367 +16,819 $3.5M +8.5% 0.12% EC
87 Hanover Insurance Group, Inc. (The) 410867105 Feb 2026 18,665 +1,573 $3.5M +12.6% 0.12% EC
88 NNN REIT, Inc. 637417106 Feb 2026 76,983 +6,494 $3.4M +7.3% 0.12% EC
89 Chewy, Inc. 16679L109 Feb 2026 144,951 +12,229 $3.3M -10.2% 0.11% EC
90 Indivior Pharmaceuticals, Inc. 45579U109 Feb 2026 86,562 +29,310 $3.1M +66.4% 0.11% EC
91 Box, Inc. 10316T104 Feb 2026 99,065 +8,357 $2.7M +25.0% 0.09% EC
92 Assurant, Inc. 04621X108 Feb 2026 9,000 +759 $2.2M +18.4% 0.08% EC
93 BILL Holdings, Inc. 090043100 Feb 2026 54,900 +4,631 $2.0M -9.2% 0.07% EC
94 Crane Co. 224408104 Feb 2026 8,760 +739 $1.6M -0.3% 0.05% EC
95 UFP Industries, Inc. 90278Q108 Feb 2026 15,087 +1,274 $1.2M -14.0% 0.04% EC
96 TPG, Inc. 872657101 Feb 2026 21,516 +1,816 $916K +7.1% 0.03% EC