CMDYX holdings — Columbia Mid Cap Index Fund

Columbia Mid Cap Index Fund (CMDYX) held 402 positions with net assets of $2.54B as of May 31, 2026, according to its Form N-PORT report to the SEC. Its top 10 holdings make up 8.8% of the fund, led by Flex Ltd, COLUMBIA SHORT TERM CASH FUND, TWLO.

CMDYX top holdings

  1. Flex Ltd — 1.56% ($39.6M)
  2. COLUMBIA SHORT TERM CASH FUND — 1.28% ($32.5M)
  3. TWLO Twilio Inc — 0.81% ($20.6M)
  4. TechnipFMC PLC — 0.78% ($19.8M)
  5. CW Curtiss-Wright Corp — 0.77% ($19.7M)
  6. nVent Electric PLC — 0.76% ($19.2M)
  7. STRL Sterling Infrastructure Inc — 0.74% ($18.9M)
  8. XPO XPO Inc — 0.71% ($17.9M)
  9. P Everpure Inc — 0.70% ($17.8M)
  10. ILMN Illumina Inc — 0.70% ($17.8M)
  11. UTHR United Therapeutics Corp — 0.67% ($17.1M)
  12. ATI ATI Inc — 0.67% ($17.0M)
  13. MTSI MACOM Technology Solutions Holdings Inc — 0.66% ($16.8M)
  14. Fabrinet — 0.66% ($16.7M)
  15. CRS Carpenter Technology Corp — 0.66% ($16.7M)
  16. NXT Nextpower Inc — 0.65% ($16.6M)
  17. MTZ MasTec Inc — 0.65% ($16.6M)
  18. MKSI MKS Inc — 0.61% ($15.6M)
  19. ENTG Entegris Inc — 0.59% ($15.1M)
  20. OKTA Okta Inc — 0.59% ($14.9M)
  21. WWD Woodward Inc — 0.59% ($14.9M)
  22. BURL Burlington Stores Inc — 0.57% ($14.4M)
  23. LSCC Lattice Semiconductor Corp — 0.57% ($14.4M)
  24. AA Alcoa Corp — 0.57% ($14.4M)
  25. RS Reliance Inc — 0.56% ($14.2M)

What are CMDYX's top 10 holdings?

Flex Ltd (1.6%), COLUMBIA SHORT TERM CASH FUND (1.3%), TWLO (0.8%), TechnipFMC PLC (0.8%), CW (0.8%), nVent Electric PLC (0.8%), STRL (0.7%), XPO (0.7%), P (0.7%), ILMN (0.7%).

How many stocks are in CMDYX?

Columbia Mid Cap Index Fund reported 402 holdings as of May 31, 2026.

Share classes: CMDYX, CPXRX, NMPAX, NTIAX

All ETF and mutual fund holdings