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Name

As of 06/02/2026

Price

Aum/Mkt Cap

YIELD

Annualized forward dividend yield. Multiplies the most recent dividend payout amount by its frequency and divides by the previous close price.

Exp Ratio

Expense ratio is the fund’s total annual operating expenses, including management fees, distribution fees, and other expenses, expressed as a percentage of average net assets.

Watchlist

Columbia Mid Cap Index Fund

CMDYX | Fund

$15.58

$2.51 B

2.21%

$0.34

0.23%

Vitals

YTD Return

14.1%

1 yr return

25.4%

3 Yr Avg Return

16.0%

5 Yr Avg Return

8.1%

Net Assets

$2.51 B

Holdings in Top 10

8.8%

52 WEEK LOW AND HIGH

$15.5
N/A
N/A

Expenses

OPERATING FEES

Expense Ratio 0.23%

SALES FEES

Front Load N/A

Deferred Load N/A

TRADING FEES

Turnover 16.00%

Redemption Fee N/A

Min Investment

Standard (Taxable)

$1,000,000

IRA

$1,000

Fund Classification

Fund Type

Open End Mutual Fund

Name

As of 06/02/2026

Price

Aum/Mkt Cap

YIELD

Annualized forward dividend yield. Multiplies the most recent dividend payout amount by its frequency and divides by the previous close price.

Exp Ratio

Expense ratio is the fund’s total annual operating expenses, including management fees, distribution fees, and other expenses, expressed as a percentage of average net assets.

Watchlist

Columbia Mid Cap Index Fund

CMDYX | Fund

$15.58

$2.51 B

2.21%

$0.34

0.23%

CMDYX - Profile

Distributions

  • YTD Total Return 14.1%
  • 3 Yr Annualized Total Return 16.0%
  • 5 Yr Annualized Total Return 8.1%
  • Capital Gain Distribution Frequency Semi-Annually
  • Net Income Ratio 1.04%
DIVIDENDS
  • Dividend Yield 2.2%
  • Dividend Distribution Frequency SemiAnnual

Fund Details

  • Legal Name
    Columbia Mid Cap Index Fund
  • Fund Family Name
    Columbia Funds Complex
  • Inception Date
    Mar 01, 2017
  • Shares Outstanding
    N/A
  • Share Class
    Instl
  • Currency
    USD
  • Domiciled Country
    US
  • Manager
    Christopher Lo

Fund Description

Under normal circumstances, the Fund invests at least 80% of its net assets (including the amount of any borrowings for investment purposes) in common stocks that comprise the S&P MidCap 400 Index (the Index).The Fund also may invest in real estate investment trusts.
The Fund may invest in derivatives, such as futures (including equity index futures), for cash equitization purposes.
Different common stocks have different weightings in the Index, depending on the amount of stock outstanding and the stock’s current price. In seeking to match the performance of the Index, Columbia Management Investment Advisers, LLC (the Investment Manager) attempts to allocate the Fund’s assets among common stocks in approximately the same weightings as the Index. This is referred to as a passive or indexing approach to investing.As a result of the Fund’s indexing approach to investing, the Fund will typically emphasize within the portfolio those economic sectors emphasized by the Index, such as the industrials sector.
The Fund attempts to achieve at least a 95% correlation between the performance of the Index and the Fund’s investment results, before fees and expenses.
Read More

CMDYX - Performance

Return Ranking - Trailing

Period CMDYX Return Category Return Low Category Return High Rank in Category (%)
YTD 14.1% -22.2% 42.3% 32.93%
1 Yr 25.4% -15.2% 81.7% 33.23%
3 Yr 16.0%* 4.2% 36.0% 31.42%
5 Yr 8.1%* -5.2% 17.7% 48.46%
10 Yr N/A* 5.2% 17.0% 34.93%

* Annualized

Return Ranking - Calendar

Period CMDYX Return Category Return Low Category Return High Rank in Category (%)
2025 -2.4% -30.5% 23.6% 64.35%
2024 2.0% -9.8% 27.4% 84.59%
2023 6.8% -12.9% 28.8% 82.37%
2022 -22.8% -52.6% 3.0% 77.91%
2021 4.6% -43.8% 32.4% 78.33%

Total Return Ranking - Trailing

Period CMDYX Return Category Return Low Category Return High Rank in Category (%)
YTD 14.1% -22.2% 42.3% 32.93%
1 Yr 25.4% -15.2% 81.7% 33.23%
3 Yr 16.0%* 4.2% 36.0% 31.42%
5 Yr 8.1%* -5.2% 17.7% 48.46%
10 Yr N/A* 5.2% 17.0% 34.36%

* Annualized

Total Return Ranking - Calendar

Period CMDYX Return Category Return Low Category Return High Rank in Category (%)
2025 7.3% -5.5% 30.3% 53.17%
2024 13.7% -7.0% 34.8% 48.94%
2023 16.2% 1.8% 31.3% 47.42%
2022 -13.2% -45.7% 4.4% 31.29%
2021 24.5% -30.2% 52.8% 51.08%

NAV & Total Return History

CMDYX - Holdings

Concentration Analysis

CMDYX Category Low Category High CMDYX % Rank
Net Assets 2.51 B 728 K 214 B 17.22%
Number of Holdings 402 1 2748 19.34%
Net Assets in Top 10 226 M 1.42 M 17.9 B 37.16%
Weighting of Top 10 8.78% 4.7% 100.0% 87.58%

Top 10 Holdings

  1. Lumentum Holdings Inc 1.42%
  2. COLUMBIA SHORT TERM CASH FUND 1.23%
  3. Coherent Corp 1.16%
  4. TechnipFMC PLC 0.77%
  5. Curtiss-Wright Corp 0.74%
  6. Casey's General Stores Inc 0.73%
  7. XPO Inc 0.71%
  8. Royal Gold Inc 0.69%
  9. Flex Ltd 0.67%
  10. Woodward Inc 0.66%

Asset Allocation

Weighting Return Low Return High CMDYX % Rank
Stocks 		98.64% 5.44% 100.09% 60.12%
Cash 		1.31% 0.00% 20.13% 49.24%
Other 		0.05% -0.37% 16.45% 16.92%
Preferred Stocks 		0.00% 0.00% 5.95% 7.25%
Convertible Bonds 		0.00% 0.00% 1.78% 6.04%
Bonds 		0.00% 0.00% 72.34% 13.60%

Stock Sector Breakdown

Weighting Return Low Return High CMDYX % Rank
Industrials 		18.14% 0.00% 45.89% 29.39%
Financial Services 		15.14% 0.00% 31.51% 32.73%
Consumer Cyclical 		14.27% 2.49% 46.48% 36.36%
Technology 		13.47% 0.00% 40.65% 73.33%
Healthcare 		9.36% 0.00% 24.06% 65.45%
Real Estate 		9.28% 0.00% 25.82% 29.70%
Basic Materials 		6.36% 0.00% 16.35% 34.85%
Energy 		5.08% 0.00% 34.66% 50.91%
Consumer Defense 		3.97% 0.00% 32.18% 54.55%
Utilities 		3.40% 0.00% 18.97% 51.52%
Communication Services 		1.53% 0.00% 30.98% 70.30%

Stock Geographic Breakdown

Weighting Return Low Return High CMDYX % Rank
US 		98.64% 5.44% 100.09% 48.64%
Non US 		0.00% 0.00% 16.83% 21.45%

CMDYX - Expenses

Operational Fees

CMDYX Fees (% of AUM) Category Return Low Category Return High Rank in Category (%)
Expense Ratio 0.23% 0.02% 6.24% 89.63%
Management Fee 0.20% 0.00% 1.50% 13.33%
12b-1 Fee 0.00% 0.00% 1.00% 1.32%
Administrative Fee N/A 0.01% 0.30% N/A

Sales Fees

CMDYX Fees (% of AUM) Category Return Low Category Return High Rank in Category (%)
Front Load N/A 3.50% 5.75% N/A
Deferred Load N/A 1.00% 4.00% N/A

Trading Fees

CMDYX Fees (% of AUM) Category Return Low Category Return High Rank in Category (%)
Max Redemption Fee N/A 1.00% 2.00% N/A

Related Fees

Turnover provides investors a proxy for the trading fees incurred by mutual fund managers who frequently adjust position allocations. Higher turnover means higher trading fees.

CMDYX Fees (% of AUM) Category Return Low Category Return High Rank in Category (%)
Turnover 16.00% 0.00% 304.00% 11.56%

CMDYX - Distributions

Dividend Yield Analysis

CMDYX Category Low Category High CMDYX % Rank
Dividend Yield 2.21% 0.00% 29.78% 12.08%

Dividend Distribution Analysis

CMDYX Category Low Category High Category Mod
Dividend Distribution Frequency SemiAnnual Annual SemiAnnual Annual

Net Income Ratio Analysis

CMDYX Category Low Category High CMDYX % Rank
Net Income Ratio 1.04% -2.06% 3.38% 17.88%

Capital Gain Distribution Analysis

CMDYX Category Low Category High Capital Mode
Capital Gain Distribution Frequency Semi-Annually Annually Semi-Annually Annually

Distributions History

View More +

CMDYX - Fund Manager Analysis

Managers

Christopher Lo

Start Date

Tenure

Tenure Rank

Dec 03, 2014

7.5

7.5%

Chris Lo is a senior portfolio manager on the Indexed and Tax Efficient Portfolio Solutions group for Columbia Threadneedle Investments. He leads the Indexed Portfolio Solutions team and is responsible the management of Columbia Threadneedle Equity Exchange Traded Funds and Index Mutual Funds. Mr. Lo joined one of the Columbia Threadneedle Investments legacy firms as senior vice president in 1998 where he held the position of portfolio manager. Previously, Mr. Lo was a senior consultant at KPMG Peat Marwick, LLP. Prior to that, Mr. Lo was an analyst at Deloitte and Touche, LLP. He has been a member of the investment community since 1998. Mr. Lo received a B.S. and an M.E. from Rensselaer Polytechnic Institute and an MBA from New York University, Stern School of Business. He also received his doctoral degree in Professional Studies (DPS) from Pace University, with a concentration in Finance and International Economics. He is a member of the New York Society of Securities Analysts and holds the Chartered Financial Analyst® designation.

Kaiyu Zhao

Start Date

Tenure

Tenure Rank

Nov 06, 2020

1.56

1.6%

Mr. Zhao joined the Columbia in 2017. Mr. Zhao began his investment career in 2017 and earned an M.E. in Financial Engineering from Cornell University.

Christopher Rowe

Start Date

Tenure

Tenure Rank

Nov 06, 2020

1.56

1.6%

Mr. Rowe joined the Columbia in 2019. Prior to joining the Investment Manager, Mr. Rowe was a supervisor at Manulife Investment Management from 2015 to 2018 and an officer at the State Street Corporation from 2011 to 2015. Mr. Rowe began his investment career in 2011 and earned a B.S. in Finance from the University of Massachusetts, Dartmouth.

Tenure Analysis

Category Low Category High Category Average Category Mode
0.25 32.69 7.46 5.78

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