Columbia Mid Cap Index Fund is a registered fund series of COLUMBIA FUNDS SERIES TRUST (series S000010826). Net assets $2.5B as of 2026-05-31. Index fund.
Showing 15 of 200 holdings by value.
| Holding | Ticker | Value | % of fund |
|---|---|---|---|
| Flex Ltd | — | $39.6M | 155.83% |
| COLUMBIA SHORT TERM CASH FUND | — | $32.5M | 127.88% |
| Twilio Inc | — | $20.6M | 81.25% |
| TechnipFMC PLC | — | $19.8M | 77.80% |
| Curtiss-Wright Corp | — | $19.7M | 77.48% |
| nVent Electric PLC | — | $19.2M | 75.74% |
| Sterling Infrastructure Inc | — | $18.9M | 74.33% |
| XPO Inc | — | $17.9M | 70.55% |
| Everpure Inc | — | $17.8M | 70.10% |
| Illumina Inc | — | $17.8M | 70.04% |
| United Therapeutics Corp | — | $17.1M | 67.39% |
| ATI Inc | — | $17.0M | 66.89% |
| MACOM Technology Solutions Holdings Inc | — | $16.8M | 66.12% |
| Fabrinet | — | $16.7M | 65.88% |
| Carpenter Technology Corp | — | $16.7M | 65.66% |
| Report date | Net assets |
|---|---|
| 2026-05-31 | $2.5B |
| 2026-02-28 | $2.6B |
| 2025-11-30 | $2.5B |
| 2025-08-31 | $2.6B |
| 2025-05-31 | $2.4B |
| 2025-02-28 | $2.5B |
| 2024-11-30 | $2.8B |
| 2024-08-31 | $2.7B |