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Independent ticker intelligence

CMDRX became
NSTMX.

CMDRX was the Advisor Class of Columbia Short Term Bond Fund. At the close on November 22, 2024, its shares converted into the fund’s Institutional Class, NSTMX. The fund continued; the CMDRX ticker did not.

Independent · Source-linked · No investment advice
SECURITY // SNAPSHOT REVIEWED 2026.06.30
CMDRXHISTORICAL CLASS

Converted into NSTMX · Institutional Class after the November 22, 2024 close.

INSTRUMENTOpen-end mutual fund class
FOCUSShort-term bonds
PRICINGDaily NAV, not intraday
CUSIP19766B315
STATUSClass retired
CONTINUATIONNSTMX
OPEN CONVERSION TIMELINE
01 // Historical record

The chart ends where the class did.

The final CMDRX NAV observation is November 22, 2024—the effective conversion date in Columbia’s SEC filing. NSTMX is the current class to research.

CMDRX / HISTORICAL DAILY NAV ARCHIVED SERIES

Historical snapshot—not a live quote. Month-end points are downsampled from daily Yahoo Finance history retrieved June 19, 2026. The series stops on November 22, 2024 because CMDRX converted into NSTMX. Raw NAV excludes distributions.

View source history
02 // Identity file

One fund. A retired class. A current ticker.

The distinction matters: CMDRX and NSTMX are share-class identifiers tied to the same underlying Columbia Short Term Bond Fund.

Historical classCMDRX
Current continuationNSTMX
Effective dateNov. 22, 2024

CMDRX was the Advisor Class; NSTMX is the Institutional Class that received those shares. Columbia’s filing described the conversion as tax-free for existing shareholders and removed Advisor Class references effective November 25, 2024.

Read the plain-English fund history
04 // Research protocol

Four checks before you rely on a ticker.

The fastest route to clarity is usually the least glamorous: exact names, dated primary documents, and a second reputable source.

Step 1
Match the symbol

Check every letter against the full security or fund name.

Step 2
Identify the type

Confirm stock, fund, ETF, bond, or another instrument.

Step 3
Open primary documents

Use current issuer pages, prospectuses, and regulatory filings.

Step 4
Check dates and costs

Review source dates, fees, risks, restrictions, and updates.

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