PNM PNM Resources Inc. (Holding Co.)
PNM was the NYSE ticker symbol of PNM Resources Inc. (Holding Co.). It no longer appears in current US listing files, which usually means the security was delisted, acquired, merged, or moved to a new symbol. SEC records list “Pnm Resources Inc” as a former name of Txnm Energy Inc, which trades today as TXNM.
PNM at a glance
- Symbol
- PNM
- Company / issuer
- PNM Resources Inc. (Holding Co.)
- Security type
- Common stock
- Last exchange
- NYSE
- Status
- No longer listed
- Seen in listing files
- Apr 2015 – Jul 2024
- Sector
- Utilities
- Industry
- Electric Utilities: Central
- Country
- United States
- Last reported market cap
- $3.8 billion (Jul 2024)
PNM ticker history
All listing names we have recorded under the symbol PNM, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| PNM Resources Inc. (Holding Co.) | Common Stock | Apr 2015 | Jul 2024 |
Snapshots have gaps (notably 2018–2021, and 2015–2021 for NYSE listings), so the actual delisting date may be later than the last-seen date.
Frequently asked questions
What company has the ticker symbol PNM?
PNM was the ticker symbol of PNM Resources Inc. (Holding Co.) on NYSE.
Is PNM still trading?
No. PNM does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Jul 2024. The company now appears to trade as TXNM (Txnm Energy Inc).
Which exchange was PNM listed on?
PNM was listed on NYSE.