TXNM ENERGY INC (TXNM): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in TXNM · Utilities. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
28
13F filers
Aggregate Value
$1.7B
Across holders
Last Price
$57.08
2026-08-24
Sector
Utilities
GICS
Quarterly fund activity15 increased13 reduced3 exited
Full exits: Holocene Advisors, LP, Gotham Asset Management, LLC, Brevan Howard Capital Management LP
Institutional Holders of TXNM
28 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund7.11M$403.9M24.3%0.5%Reduced$-1.2MQ2 2026
Pentwater Capital Management LP
CIK 0001425851
Hedge Fund6.49M$368.4M22.2%2.3%Added+$209.4MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund2.47M$140.3M8.4%0.1%Reduced$-60.1MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund2.08M$118.3M7.1%0.1%Added+$47.2MQ2 2026
Magnetar Financial LLC
CIK 0001352851
Hedge Fund1.45M$82.2M5.0%0.8%Reduced$-33.7MQ2 2026
Verition Fund Management LLC
CIK 0001454027
Hedge Fund1.20M$68.3M4.1%0.3%Reduced$-8.2MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund890K$50.5M3.0%0.0%Added$-13.6MQ2 2026
Hudson Bay Capital Management LP
CIK 0001393825
Hedge Fund888K$50.4M3.0%0.1%Added$-25.8MQ2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund792K$45.0M2.7%0.1%Reduced$-3.7MQ2 2026
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager747K$42.4M2.6%0.4%Reduced$-499KQ2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$403.9M· 24.3% of total· 0.5% port· 7.11M sh· $-1.2M QoQ· Q2 2026
Pentwater Capital Management LPAdded
Hedge Fund
$368.4M· 22.2% of total· 2.3% port· 6.49M sh· +$209.4M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$140.3M· 8.4% of total· 0.1% port· 2.47M sh· $-60.1M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$118.3M· 7.1% of total· 0.1% port· 2.08M sh· +$47.2M QoQ· Q2 2026
Magnetar Financial LLCReduced
Hedge Fund
$82.2M· 5.0% of total· 0.8% port· 1.45M sh· $-33.7M QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$68.3M· 4.1% of total· 0.3% port· 1.20M sh· $-8.2M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$50.5M· 3.0% of total· 0.0% port· 890K sh· $-13.6M QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$50.4M· 3.0% of total· 0.1% port· 888K sh· $-25.8M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$45.0M· 2.7% of total· 0.1% port· 792K sh· $-3.7M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$42.4M· 2.6% of total· 0.4% port· 747K sh· $-499K QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCAdded
Institutional Manager
$39.1M· 2.4% of total· 0.1% port· 689K sh· +$9.8M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$36.7M· 2.2% of total· 0.1% port· 646K sh· QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$34.6M· 2.1% of total· 0.0% port· 609K sh· +$15.9M QoQ· Q2 2026
HBK INVESTMENTS L PReduced
Hedge Fund
$27.5M· 1.7% of total· 0.3% port· 485K sh· $-145.1M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$24.5M· 1.5% of total· 0.0% port· 431K sh· +$3.2M QoQ· Q2 2026
CAXTON ASSOCIATES LLPReduced
Hedge Fund
$21.1M· 1.3% of total· 0.4% port· 372K sh· $-18.4M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$20.6M· 1.2% of total· 0.0% port· 362K sh· $-9.5M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$20.0M· 1.2% of total· 0.0% port· 352K sh· +$5.9M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$17.0M· 1.0% of total· 0.0% port· 299K sh· +$4.3M QoQ· Q2 2026
Woodline Partners LPReduced
Hedge Fund
$15.9M· 1.0% of total· 0.0% port· 281K sh· $-7.6M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$13.3M· 0.8% of total· 0.0% port· 235K sh· +$2.7M QoQ· Q2 2026
Lighthouse Investment Partners, LLCAdded
Hedge Fund
$6.4M· 0.4% of total· 0.2% port· 112K sh· +$5.0M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$4.4M· 0.3% of total· 0.0% port· 78K sh· +$181K QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$3.9M· 0.2% of total· 0.0% port· 68K sh· $-28.2M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$3.2M· 0.2% of total· 0.0% port· 56K sh· +$3.1M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$2.0M· 0.1% of total· 0.0% port· 35K sh· +$581K QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$854K· 0.1% of total· 0.0% port· 15K sh· $-7.7M QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$318K· 0.0% of total· 0.0% port· 6K sh· +$265K QoQ· Q2 2026
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