As of October 29, 2026, TXNM Energy had a market cap of $6.513 billion, which increased by 0.09% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.
Data updated: Oct 29, 2026, 4:00 PM ET
TXNM Energy, Inc. (TXNM)
🌍 United States📈 NYSE🏭 Utilities🏢 Electric Utilities
Note: Each point on the chart represents the market capitalization at the end of the trading day. Source: Data compiled from
EDGAR filings,
Bloomberg
and Yahoo Finance.
📈 TXNM Energy Market Cap History by Year and Month
TXNM Energy Market Cap History by Year and Month
Year / Month
Market Cap
% Change
2026
$6.513B
▲ 1.56%
$6.513B
▲ 0.57%
$6.476B
▲ 1.23%
$6.397B
▼ 0.23%
$6.412B
▲ 2.00%
$6.286B
▼ 4.10%
$6.555B
▲ 1.90%
$6.433B
▲ 1.02%
$6.368B
▼ 0.95%
$6.429B
▲ 0.17%
$6.418B
▲ 0.08%
2025
$6.413B
▲ 40.76%
$6.413B
▲ 0.74%
$6.366B
▲ 2.89%
$6.187B
▲ 0.45%
$6.159B
▲ 3.18%
$5.969B
▼ 0.27%
$5.985B
▲ 0.84%
$5.935B
▲ 12.98%
$5.253B
▲ 6.55%
$4.93B
▼ 0.50%
$4.955B
▲ 2.35%
$4.841B
▲ 8.06%
$4.48B
▼ 1.67%
2024
$4.556B
▲ 27.58%
$4.556B
▲ 2.98%
$4.424B
▲ 12.66%
$3.927B
▼ 0.53%
$3.948B
▲ 6.82%
$3.696B
▼ 1.47%
$3.751B
▲ 12.51%
$3.334B
▼ 3.59%
$3.458B
▲ 3.44%
$3.343B
▼ 1.53%
$3.395B
▲ 3.10%
$3.293B
▲ 0.76%
$3.268B
▼ 8.49%
2023
$3.571B
▼ 14.73%
$3.571B
▲ 0.08%
$3.568B
▼ 1.63%
$3.627B
▼ 5.28%
$3.829B
▲ 0.68%
$3.803B
▼ 1.14%
$3.847B
▼ 0.62%
$3.871B
▼ 1.78%
$3.941B
▼ 4.60%
$4.131B
▼ 1.12%
$4.178B
▼ 0.67%
$4.206B
▼ 0.97%
$4.247B
▲ 1.41%
2022
$4.188B
▲ 6.97%
$4.188B
▼ 0.43%
$4.206B
▲ 5.44%
$3.989B
▲ 1.63%
$3.925B
▼ 3.59%
$4.071B
▼ 1.74%
$4.143B
▲ 1.02%
$4.101B
▲ 0.54%
$4.079B
▲ 1.85%
$4.005B
▼ 2.13%
$4.092B
▲ 5.55%
$3.877B
▲ 0.81%
$3.846B
▼ 1.76%
2021
$3.915B
▼ 6.00%
$3.915B
▼ 7.36%
$4.226B
▼ 1.03%
$4.27B
▲ 0.54%
$4.247B
▼ 0.05%
$4.249B
▲ 2.43%
$4.148B
▼ 0.91%
$4.186B
▼ 0.71%
$4.216B
▼ 0.50%
$4.237B
▲ 0.64%
$4.21B
▲ 2.16%
$4.121B
▼ 1.03%
$4.164B
▼ 0.02%
2020
$4.165B
▲ 3.12%
$4.165B
▲ 6.47%
$3.912B
▼ 1.78%
$3.983B
▲ 20.99%
$3.292B
▼ 5.38%
$3.479B
▲ 3.42%
$3.364B
▲ 9.86%
$3.062B
▼ 5.81%
$3.251B
▲ 0.81%
$3.225B
▲ 6.54%
$3.027B
▼ 19.28%
$3.75B
▼ 13.17%
$4.319B
▲ 6.93%
2019
$4.039B
▲ 23.40%
$4.039B
▲ 4.66%
$3.859B
▼ 7.10%
$4.154B
▲ 0.14%
$4.148B
▲ 2.09%
$4.063B
▲ 2.70%
$3.956B
▼ 2.44%
$4.055B
▲ 8.08%
$3.752B
▲ 1.43%
$3.699B
▼ 1.91%
$3.771B
▲ 8.39%
$3.479B
▲ 2.56%
$3.392B
▲ 3.64%
2018
$3.273B
▲ 1.58%
$3.273B
▼ 4.91%
$3.442B
▲ 12.52%
$3.059B
▼ 2.64%
$3.142B
▲ 1.29%
$3.102B
▼ 1.02%
$3.134B
▲ 1.16%
$3.098B
▼ 2.64%
$3.182B
▲ 0.76%
$3.158B
▲ 3.64%
$3.047B
▲ 8.67%
$2.804B
▼ 7.61%
$3.035B
▼ 5.80%
2017
$3.222B
▲ 17.94%
$3.222B
▼ 11.09%
$3.624B
▲ 4.83%
$3.457B
▲ 7.69%
$3.21B
▼ 4.95%
$3.377B
▲ 6.40%
$3.174B
▲ 4.17%
$3.047B
▼ 0.65%
$3.067B
▲ 3.37%
$2.967B
▲ 0.68%
$2.947B
▲ 1.94%
$2.891B
▲ 5.51%
$2.74B
▲ 0.29%
2016
$2.732B
▲ 12.20%
$2.732B
▲ 8.54%
$2.517B
▼ 3.82%
$2.617B
▲ 0.42%
$2.606B
▲ 2.92%
$2.532B
▼ 7.49%
$2.737B
▼ 3.05%
$2.823B
▲ 7.91%
$2.616B
▲ 3.69%
$2.523B
▼ 6.07%
$2.686B
▲ 5.66%
$2.542B
▲ 1.60%
$2.502B
▲ 2.75%
2015
$2.435B
▲ 3.18%
$2.435B
▲ 5.41%
$2.31B
▲ 3.13%
$2.24B
▲ 0.27%
$2.234B
▲ 9.51%
$2.04B
▼ 2.90%
$2.101B
▲ 7.25%
$1.959B
▼ 7.51%
$2.118B
▼ 4.29%
$2.213B
▼ 4.86%
$2.326B
▲ 2.29%
$2.274B
▼ 6.38%
$2.429B
▲ 2.92%
2014
$2.36B
▲ 22.85%
$2.36B
▲ 2.30%
$2.307B
▲ 0.39%
$2.298B
▲ 15.83%
$1.984B
▼ 4.98%
$2.088B
▲ 2.20%
$2.043B
▼ 12.54%
$2.336B
▲ 3.04%
$2.267B
▲ 2.81%
$2.205B
▲ 2.42%
$2.153B
▲ 3.36%
$2.083B
▲ 6.11%
$1.963B
▲ 2.19%
2013
$1.921B
▲ 17.56%
$1.921B
▲ 3.67%
$1.853B
▼ 2.73%
$1.905B
▲ 5.72%
$1.802B
▲ 3.27%
$1.745B
▼ 6.68%
$1.87B
▲ 5.83%
$1.767B
▼ 1.06%
$1.786B
▼ 6.59%
$1.912B
▲ 3.07%
$1.855B
▲ 3.69%
$1.789B
▲ 5.17%
$1.701B
▲ 4.10%
2012
$1.634B
▲ 3.42%
$1.634B
▼ 2.91%
$1.683B
▼ 4.65%
$1.765B
▲ 5.37%
$1.675B
▲ 2.26%
$1.638B
▼ 1.15%
$1.657B
▲ 6.49%
$1.556B
▲ 4.78%
$1.485B
▼ 0.60%
$1.494B
▲ 2.47%
$1.458B
▲ 1.82%
$1.432B
▲ 0.92%
$1.419B
▼ 10.19%
2011
$1.58B
▲ 40.07%
$1.58B
▼ 4.59%
$1.656B
▲ 6.29%
$1.558B
▲ 9.41%
$1.424B
▲ 9.79%
$1.297B
▼ 0.38%
$1.302B
▼ 10.27%
$1.451B
▲ 1.26%
$1.433B
▲ 7.83%
$1.329B
▲ 2.78%
$1.293B
▲ 12.05%
$1.154B
▲ 2.21%
$1.129B
▲ 0.09%
2010
$1.128B
▲ 2.92%
$1.128B
▲ 8.67%
$1.038B
▲ 1.57%
$1.022B
▲ 3.55%
$0.987B
▼ 0.50%
$0.992B
▼ 3.22%
$1.025B
▲ 5.78%
$0.969B
▼ 9.44%
$1.07B
▼ 9.17%
$1.178B
▲ 8.47%
$1.086B
▲ 2.55%
$1.059B
▲ 5.06%
$1.008B
▼ 8.03%
2009
$1.096B
▲ 25.69%
$1.096B
▲ 13.46%
$0.966B
▲ 3.98%
$0.929B
▼ 8.20%
$1.012B
— 0.00%
$1.012B
▼ 4.26%
$1.057B
▲ 13.90%
$0.928B
▲ 15.86%
$0.801B
▲ 8.54%
$0.738B
▲ 3.22%
$0.715B
▲ 7.36%
$0.666B
▼ 23.27%
$0.868B
▼ 0.46%
2008
$0.872B
▼ 47.09%
$0.872B
▼ 3.54%
$0.904B
▲ 7.24%
$0.843B
▼ 4.75%
$0.885B
▼ 13.15%
$1.019B
▲ 0.69%
$1.012B
▼ 2.03%
$1.033B
▼ 9.54%
$1.142B
▲ 2.42%
$1.115B
▲ 16.27%
$0.959B
▲ 5.38%
$0.91B
▼ 38.64%
$1.483B
▼ 10.01%
2007
$1.648B
▼ 24.78%
$1.648B
▼ 3.23%
$1.703B
▼ 11.30%
$1.92B
▲ 7.50%
$1.786B
▲ 0.68%
$1.774B
▼ 10.49%
$1.982B
▼ 6.99%
$2.131B
▼ 5.83%
$2.263B
▼ 9.33%
$2.496B
▲ 0.81%
$2.476B
▲ 5.68%
$2.343B
▲ 0.30%
$2.336B
▲ 6.62%
2006
$2.191B
▲ 30.11%
$2.191B
▲ 1.29%
$2.163B
▲ 9.19%
$1.981B
▲ 3.23%
$1.919B
▼ 3.81%
$1.995B
▲ 7.49%
$1.856B
▲ 7.41%
$1.728B
▼ 0.63%
$1.739B
▼ 0.17%
$1.742B
▲ 3.75%
$1.679B
▼ 1.41%
$1.703B
▲ 0.77%
$1.69B
▲ 0.36%
2005
$1.684B
▲ 10.14%
$1.684B
▼ 5.71%
$1.786B
▲ 2.47%
$1.743B
▼ 11.57%
$1.971B
▼ 3.05%
$2.033B
▲ 0.64%
$2.02B
▲ 2.02%
$1.98B
▲ 5.54%
$1.876B
▲ 5.39%
$1.78B
▲ 3.61%
$1.718B
▲ 8.32%
$1.586B
▲ 4.00%
$1.525B
▼ 0.26%
2004
$1.529B
▲ 35.19%
$1.529B
▼ 0.59%
$1.538B
▲ 9.31%
$1.407B
▲ 3.38%
$1.361B
▲ 5.42%
$1.291B
▲ 2.54%
$1.259B
▲ 0.32%
$1.255B
▲ 3.72%
$1.21B
▲ 2.98%
$1.175B
▼ 2.81%
$1.209B
▼ 1.39%
$1.226B
▲ 1.24%
$1.211B
▲ 7.07%
2003
$1.131B
▲ 21.48%
$1.131B
▲ 0.35%
$1.127B
▼ 0.97%
$1.138B
▲ 0.89%
$1.128B
▲ 2.27%
$1.103B
▲ 5.65%
$1.044B
▼ 0.19%
$1.046B
▲ 0.67%
$1.039B
▲ 19.70%
$0.868B
▼ 1.25%
$0.879B
▲ 6.55%
$0.825B
▼ 0.12%
$0.826B
▼ 11.28%
2002
$0.931B
▼ 14.82%
$0.931B
▲ 0.87%
$0.923B
▲ 7.08%
$0.862B
▲ 11.37%
$0.774B
▼ 10.42%
$0.864B
▲ 10.77%
$0.78B
▼ 17.55%
$0.946B
▼ 6.98%
$1.017B
▼ 10.32%
$1.134B
▼ 5.42%
$1.199B
▲ 13.76%
$1.054B
▼ 0.28%
$1.057B
▼ 3.29%
2001
$1.093B
▲ 4.29%
$1.093B
▲ 7.47%
$1.017B
▲ 6.16%
$0.958B
▼ 2.84%
$0.986B
▼ 11.25%
$1.111B
▼ 4.06%
$1.158B
▼ 7.80%
$1.256B
▼ 11.24%
$1.415B
▲ 0.14%
$1.413B
▲ 24.49%
$1.135B
▲ 12.94%
$1.005B
▲ 4.04%
$0.966B
▼ 7.82%
2000
$1.048B
▲ 58.55%
$1.048B
▲ 10.90%
$0.945B
▼ 12.26%
$1.077B
▲ 5.28%
$1.023B
▲ 21.07%
$0.845B
▲ 18.02%
$0.716B
▲ 17.38%
$0.61B
▼ 7.58%
$0.66B
▼ 7.17%
$0.711B
▲ 14.31%
$0.622B
▲ 0.81%
$0.617B
▼ 3.29%
$0.638B
▼ 3.48%
1999
$0.661B
▼ 22.51%
$0.661B
▼ 2.51%
$0.678B
▼ 6.87%
$0.728B
▼ 2.15%
$0.744B
▼ 3.00%
$0.767B
▼ 5.66%
$0.813B
▲ 0.37%
$0.81B
▼ 4.26%
$0.846B
▲ 16.21%
$0.728B
▲ 5.05%
$0.693B
▲ 7.94%
$0.642B
▼ 18.22%
$0.785B
▼ 7.97%
1998
$0.853B
▼ 13.75%
$0.853B
▲ 5.05%
$0.812B
▼ 11.83%
$0.921B
▼ 0.54%
$0.926B
▲ 10.90%
$0.835B
▼ 7.02%
$0.898B
▼ 5.17%
$0.947B
▲ 4.53%
$0.906B
▼ 5.92%
$0.963B
▼ 5.59%
$1.02B
▲ 4.83%
$0.973B
▲ 2.96%
$0.945B
▼ 4.45%
1997
$0.989B
▲ 20.76%
$0.989B
▲ 15.94%
$0.853B
▲ 5.05%
$0.812B
▲ 0.74%
$0.806B
▲ 5.77%
$0.762B
▼ 1.30%
$0.772B
▲ 3.49%
$0.746B
▲ 1.36%
$0.736B
▲ 6.05%
$0.694B
▼ 3.61%
$0.72B
▼ 6.25%
$0.768B
▼ 8.02%
$0.835B
▲ 1.95%
1996
$0.819B
▲ 11.28%
$0.819B
▲ 2.50%
$0.799B
▲ 2.04%
$0.783B
▼ 3.81%
$0.814B
— 0.00%
$0.814B
▼ 1.93%
$0.83B
▼ 3.04%
$0.856B
▲ 9.32%
$0.783B
▲ 7.11%
$0.731B
▼ 6.04%
$0.778B
▲ 4.99%
$0.741B
▼ 0.80%
$0.747B
▲ 1.49%
1995
$0.736B
▲ 35.54%
$0.736B
— 0.00%
$0.736B
▲ 5.29%
$0.699B
▲ 2.19%
$0.684B
▲ 7.38%
$0.637B
▲ 6.17%
$0.6B
▲ 0.84%
$0.595B
— 0.00%
$0.595B
▲ 11.84%
$0.532B
▲ 1.92%
$0.522B
▼ 2.97%
$0.538B
▼ 6.27%
$0.574B
▲ 5.71%
1994
$0.543B
▲ 15.53%
$0.543B
▲ 0.93%
$0.538B
▲ 4.06%
$0.517B
▲ 1.17%
$0.511B
▼ 2.11%
$0.522B
▲ 3.16%
$0.506B
▲ 5.42%
$0.48B
▼ 4.19%
$0.501B
▼ 10.22%
$0.558B
▲ 1.82%
$0.548B
▼ 2.84%
$0.564B
▲ 1.99%
$0.553B
▲ 17.66%
1993
$0.47B
▼ 9.09%
$0.47B
▲ 12.44%
$0.418B
▼ 10.11%
$0.465B
▼ 3.13%
$0.48B
— 0.00%
$0.48B
▼ 9.77%
$0.532B
▼ 6.50%
$0.569B
▲ 6.95%
$0.532B
▲ 0.95%
$0.527B
▲ 5.19%
$0.501B
▲ 19.86%
$0.418B
▼ 5.86%
$0.444B
▼ 14.12%
1992
$0.517B
▲ 27.03%
$0.517B
▼ 2.82%
$0.532B
▼ 2.03%
$0.543B
▼ 3.72%
$0.564B
▲ 2.92%
$0.548B
▼ 3.69%
$0.569B
▲ 5.76%
$0.538B
▼ 0.92%
$0.543B
▲ 8.38%
$0.501B
▲ 5.47%
$0.475B
▼ 3.26%
$0.491B
▲ 13.39%
$0.433B
▲ 6.39%
1991
$0.407B
▲ 16.29%
$0.407B
▲ 13.06%
$0.36B
▼ 1.37%
$0.365B
▼ 1.62%
$0.371B
▼ 3.89%
$0.386B
▼ 6.31%
$0.412B
▼ 3.74%
$0.428B
▲ 1.18%
$0.423B
▼ 6.83%
$0.454B
▲ 16.11%
$0.391B
▲ 2.62%
$0.381B
▲ 12.39%
$0.339B
▼ 3.14%
1990
$0.35B
▼ 42.72%
$0.35B
▼ 5.66%
$0.371B
▲ 6.00%
$0.35B
▼ 11.84%
$0.397B
▼ 9.36%
$0.438B
▼ 13.44%
$0.506B
▲ 19.62%
$0.423B
▼ 6.83%
$0.454B
▲ 2.25%
$0.444B
▼ 14.12%
$0.517B
▼ 20.09%
$0.647B
▲ 3.35%
$0.626B
▲ 2.45%
1989
$0.611B
▲ 17.05%
$0.611B
▲ 5.53%
$0.579B
— 0.00%
$0.579B
▼ 5.24%
$0.611B
▲ 2.69%
$0.595B
▼ 4.95%
$0.626B
▲ 1.62%
$0.616B
▲ 14.50%
$0.538B
▲ 12.08%
$0.48B
▲ 3.23%
$0.465B
▼ 11.76%
$0.527B
▼ 2.04%
$0.538B
▲ 3.07%
1988
$0.522B
▼ 33.25%
$0.522B
▲ 5.24%
$0.496B
▼ 16.64%
$0.595B
▲ 1.88%
$0.584B
▼ 3.47%
$0.605B
▼ 2.58%
$0.621B
▼ 5.48%
$0.657B
▲ 4.95%
$0.626B
▼ 6.98%
$0.673B
▼ 7.81%
$0.73B
▲ 2.24%
$0.714B
▼ 23.06%
$0.928B
▲ 18.67%
1987
$0.782B
▼ 42.63%
$0.782B
▼ 10.63%
$0.875B
▼ 15.62%
$1.037B
▲ 0.48%
$1.032B
▼ 13.13%
$1.188B
▼ 9.17%
$1.308B
▼ 4.18%
$1.365B
▲ 3.25%
$1.322B
▼ 6.17%
$1.409B
▼ 7.42%
$1.522B
▲ 0.26%
$1.518B
▼ 2.63%
$1.559B
▲ 14.38%
1986
$1.363B
▲ 21.81%
$1.363B
▼ 3.88%
$1.418B
▼ 4.12%
$1.479B
▲ 5.49%
$1.402B
▼ 6.53%
$1.5B
▲ 11.44%
$1.346B
▲ 0.37%
$1.341B
▲ 2.21%
$1.312B
— 0.00%
$1.312B
▼ 7.99%
$1.426B
▲ 18.34%
$1.205B
▲ 2.03%
$1.181B
▲ 5.54%
1985
$1.119B
▲ 29.07%
$1.119B
▲ 7.70%
$1.039B
▲ 0.48%
$1.034B
▲ 5.62%
$0.979B
▼ 2.49%
$1.004B
▲ 2.34%
$0.981B
▼ 1.80%
$0.999B
▲ 5.16%
$0.95B
▲ 1.93%
$0.932B
▲ 0.76%
$0.925B
▲ 5.59%
$0.876B
▼ 1.46%
$0.889B
▲ 2.54%
All market cap values reflect closing prices for the period shown.
📊 TXNM Energy Market Cap and Other Industry Peers
Below are selected companies from the Electric Utilities sector / subsector: