Mfs Series Trust I · net assets $2.09B · 109 holdings as of February 28, 2026. Monthly N-PORT disclosure: the full book, not just equities.
EC: 99.0% · STIV: 1.0% · DE: 0.0%
| Month 1 | Month 2 | Month 3 | |
|---|---|---|---|
| Sales | $13.5M | $15.2M | $18.7M |
| Reinvestment | $0 | $0 | $0 |
| Redemptions | $52.6M | $47.7M | $31.9M |
| Net realized gain (non-derivative) | $28.1M | $6.28M | $-12.1M |
| Net unrealized appreciation (non-derivative) | $-47.8M | $80.8M | $16.9M |
The three months of the reporting period, as filed; month 3 ends February 28, 2026.
| Holding | Value | % of net assets |
|---|---|---|
| Mfs Institutional Money Market Portfolio EC | $103M | 4.93% |
| Advanced Energy Industries Inc EC | $60.8M | 2.90% |
| Ligand Pharmaceuticals Inc EC | $47.7M | 2.28% |
| Qxo Inc EC | $46.7M | 2.23% |
| Modine Manufacturing Co EC | $40.3M | 1.93% |
| Nvent Electric PLC EC | $39.2M | 1.87% |
| Macom Technology Solutions Holdings Inc EC | $38.8M | 1.85% |
| Bio-techne Corp EC | $38M | 1.82% |
| Littelfuse Inc EC | $34M | 1.62% |
| Flowserve Corp EC | $32.3M | 1.54% |
| Nlight Inc EC | $31.9M | 1.52% |
| Chefs' Warehouse Inc/the EC | $31.4M | 1.50% |
| Legence Corp EC | $31M | 1.48% |
| Jfrog Ltd EC | $30.9M | 1.48% |
| Crane Co EC | $30.9M | 1.48% |
| Xpo Inc EC | $30.8M | 1.47% |
| Primoris Services Corp EC | $30.8M | 1.47% |
| Topbuild Corp EC | $30.5M | 1.45% |
| Integer Holdings Corp EC | $28.9M | 1.38% |
| Caci International Inc EC | $28.5M | 1.36% |
| Terreno Realty Corp EC | $28.5M | 1.36% |
| Formfactor Inc EC | $28.4M | 1.36% |
| Knife River Corp EC | $28.4M | 1.35% |
| Leonardo Drs Inc EC | $28.2M | 1.35% |
| Ttm Technologies Inc EC | $27.6M | 1.32% |
| Charles River Laboratories International Inc EC | $27.1M | 1.29% |
| Hamilton Lane Inc EC | $26.9M | 1.28% |
| Bloom Energy Corp EC | $25.2M | 1.20% |
| James Hardie Industries PLC EC | $24.9M | 1.19% |
| Ionis Pharmaceuticals Inc EC | $24.9M | 1.19% |
| Patrick Industries Inc EC | $24.1M | 1.15% |
| Waystar Holding Corp EC | $23.8M | 1.14% |
| Schrodinger Inc/united States EC | $23.4M | 1.12% |
| Element Solutions Inc EC | $23.1M | 1.10% |
| Technipfmc PLC EC | $22.8M | 1.09% |
| Ollie's Bargain Outlet Holdings Inc EC | $22.7M | 1.09% |
| Pjt Partners Inc EC | $22.5M | 1.07% |
| Collegium Pharmaceutical Inc EC | $22.5M | 1.07% |
| Simpson Manufacturing Co Inc EC | $22.1M | 1.06% |
| Brunswick Corp/de EC | $22M | 1.05% |
| Jp Morgan Us Government Money Market Fund STIV | $21.4M | 1.02% |
| Standardaero Inc EC | $19.8M | 0.95% |
| Ascendis Pharma A/s EC | $19M | 0.91% |
| Wisdomtree Inc EC | $18.9M | 0.90% |
| Globus Medical Inc EC | $18.3M | 0.87% |
| Alkami Technology Inc EC | $18.2M | 0.87% |
| Genius Sports Ltd EC | $18M | 0.86% |
| Birkenstock Holding PLC EC | $17.8M | 0.85% |
| Ccc Intelligent Solutions Holdings Inc EC | $17.8M | 0.85% |
| Amprius Technologies Inc EC | $17.4M | 0.83% |
| Dutch Bros Inc EC | $17.2M | 0.82% |
| Genedx Holdings Corp EC | $17.1M | 0.82% |
| Azenta Inc EC | $17.1M | 0.82% |
| Ufp Technologies Inc EC | $17M | 0.81% |
| Biolife Solutions Inc EC | $17M | 0.81% |
| Matador Resources Co EC | $16.5M | 0.79% |
| Antero Resources Corp EC | $16.4M | 0.79% |
| Viper Energy Inc EC | $16.4M | 0.78% |
| Guardant Health Inc EC | $16.2M | 0.77% |
| Box Inc EC | $15.9M | 0.76% |
Showing top 60 of 109 holdings.
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