TXNM ENERGY INC (TXNM) Top Institutional Shareholders
TXNM ENERGY INC (TXNM) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $6.26B in TXNM holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of TXNM tracked by InsiderSet, reporting ownership valued at approximately $781.07M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $754.21M, representing an estimated loss of -3.44% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 52% of the total disclosed TXNM value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Blackstone Inc., Balyasny Asset Management L.P., and several other long-term asset managers with concentrated positions in TXNM ENERGY INC (TXNM).
This page ranks the largest institutional TXNM shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
374
Total Reported Value
$6.26B
Largest Holder
Blackrock, Inc.
Largest Position
$781.07M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
45
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 13,360,707 | $781,066,972 | $754,211,910 | -$26,855,062 | -3.44% | |
| Blackstone Inc. | 1.93% | 8,000,000 | $467,680,000 | $451,600,000 | -$16,080,000 | -3.44% | |
| Balyasny Asset Management L.P. | 0.82% | 7,133,543 | $417,026,924 | $402,688,502 | -$14,338,422 | -3.44% | |
| Vanguard Portfolio Management Llc | 0.02% | 6,549,899 | $382,907,096 | $369,741,799 | -$13,165,297 | -3.44% | |
| Vanguard Capital Management Llc | 0.01% | 4,714,718 | $275,622,414 | $266,145,831 | -$9,476,583 | -3.44% | |
| State Street Corp | 0.01% | 3,883,309 | $227,018,244 | $219,212,793 | -$7,805,451 | -3.44% | |
| Millennium Management Llc | 0.15% | 3,529,510 | $206,335,155 | $199,240,840 | -$7,094,316 | -3.44% | |
| Hbk Investments L P | 2.24% | 3,040,938 | $177,773,235 | $171,660,950 | -$6,112,285 | -3.44% | |
| Pentwater Capital Management Lp | 1.16% | 2,800,000 | $163,688,000 | $158,060,000 | -$5,628,000 | -3.44% | |
| Geode Capital Management, Llc | 0.01% | 2,791,413 | $163,215,729 | $157,575,264 | -$5,640,465 | -3.46% | |
| Goldman Sachs Group Inc | 0.02% | 2,339,484 | $136,766,259 | $132,063,872 | -$4,702,387 | -3.44% | |
| Ubs Group Ag | 0.02% | 2,031,304 | $118,750,032 | $114,667,111 | -$4,082,921 | -3.44% | |
| Aqr Arbitrage Llc | 1.70% | 1,765,847 | $103,231,416 | $99,682,063 | -$3,549,353 | -3.44% | |
| Zimmer Partners, Lp | 2.20% | 1,532,247 | $89,575,160 | $86,495,343 | -$3,079,817 | -3.44% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.15% | 1,519,657 | $88,839,148 | $85,784,638 | -$3,054,510 | -3.44% | |
| Morgan Stanley | 0.01% | 1,478,197 | $86,415,498 | $83,444,221 | -$2,971,277 | -3.44% | |
| Magnetar Financial Llc | 0.88% | 1,475,138 | $86,236,568 | $83,271,540 | -$2,965,028 | -3.44% | |
| Empyrean Capital Partners, Lp | 2.81% | 1,442,554 | $84,331,707 | $81,432,173 | -$2,899,534 | -3.44% | |
| Verition Fund Management Llc | 0.76% | 1,347,251 | $78,760,293 | $76,052,319 | -$2,707,974 | -3.44% | |
| Qube Research & Technologies Ltd | 0.10% | 1,252,234 | $73,205,600 | $70,688,609 | -$2,516,991 | -3.44% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,233,668 | $72,120,231 | $69,640,559 | -$2,479,672 | -3.44% | |
| Northern Trust Corp | 0.01% | 1,130,670 | $66,098,968 | $63,826,322 | -$2,272,647 | -3.44% | |
| Alliancebernstein L.P. | 0.02% | 1,091,278 | $64,254,449 | $61,602,643 | -$2,651,806 | -4.13% | |
| Melqart Asset Management (Uk) Ltd | 6.06% | 1,050,947 | $61,438,362 | $59,325,958 | -$2,112,404 | -3.44% | |
| Invesco Ltd. | 0.01% | 919,770 | $53,769,754 | $51,921,017 | -$1,848,738 | -3.44% | |
| Gabelli Funds Llc | 0.35% | 893,714 | $52,246,520 | $50,450,155 | -$1,796,365 | -3.44% | |
| Alberta Investment Management Corp | 0.32% | 891,387 | $52,110,484 | $50,318,796 | -$1,791,688 | -3.44% | |
| Adage Capital Partners Gp, L.L.C. | 0.08% | 857,183 | $50,110,918 | $48,387,980 | -$1,722,938 | -3.44% | |
| Franklin Resources Inc | 0.01% | 818,066 | $47,824,139 | $46,179,826 | -$1,644,313 | -3.44% | |
| Hudson Bay Capital Management Lp | 0.29% | 792,110 | $46,306,751 | $44,714,610 | -$1,592,142 | -3.44% | |
| Gamco Investors, Inc. Et Al | 0.43% | 755,326 | $44,156,358 | $42,638,153 | -$1,518,205 | -3.44% | |
| Bank Of New York Mellon Corp | 0.01% | 753,314 | $44,038,712 | $42,524,575 | -$1,514,137 | -3.44% | |
| Marshall Wace, Llp | 0.04% | 716,834 | $41,906,117 | $40,465,279 | -$1,440,838 | -3.44% | |
| Lmr Partners Llp | 0.38% | 698,496 | $40,834,077 | $39,430,099 | -$1,403,978 | -3.44% | |
| Caxton Associates Llp | 0.94% | 695,635 | $40,666,822 | $39,268,596 | -$1,398,226 | -3.44% | |
| Hsbc Holdings Plc | 0.02% | 685,364 | $39,997,843 | $38,688,798 | -$1,309,045 | -3.27% | |
| Water Island Capital Llc | 5.26% | 674,867 | $39,452,726 | $38,096,242 | -$1,356,484 | -3.44% | |
| Sand Grove Capital Management Llp | 9.05% | 662,081 | $38,705,255 | $37,374,472 | -$1,330,783 | -3.44% | |
| Vanguard Fiduciary Trust Co | 0.01% | 639,622 | $37,392,302 | $36,106,662 | -$1,285,640 | -3.44% | |
| Dimensional Fund Advisors Lp | 0.01% | 631,321 | $36,907,033 | $35,638,070 | -$1,268,963 | -3.44% | |
| First Trust Advisors Lp | 0.02% | 583,665 | $34,121,049 | $32,947,889 | -$1,173,160 | -3.44% | |
| D. E. Shaw & Co., Inc. | 0.03% | 565,921 | $33,083,742 | $31,946,240 | -$1,137,502 | -3.44% | |
| Nexpoint Asset Management, L.P. | 2.20% | 540,239 | $31,582,372 | $30,496,492 | -$1,085,880 | -3.44% | |
| Grantham, Mayo, Van Otterloo & Co. Llc | 0.08% | 515,726 | $30,149,342 | $29,112,733 | -$1,036,609 | -3.44% | |
| Alpine Associates Management Inc. | 1.76% | 512,106 | $29,937,716 | $28,908,384 | -$1,029,332 | -3.44% | |
| Readystate Asset Management Lp | 1.56% | 456,446 | $26,683,833 | $25,766,377 | -$917,456 | -3.44% | |
| Legal & General Group Plc | 0.01% | 445,979 | $26,071,933 | $25,175,515 | -$896,418 | -3.44% | |
| Governors Lane Lp | 3.24% | 444,414 | $25,980,442 | $25,087,170 | -$893,272 | -3.44% | |
| Fmr Llc | 0.00% | 427,938 | $25,017,266 | $24,157,100 | -$860,166 | -3.44% | |
| Segall Bryant & Hamill, Llc | 0.39% | 414,901 | $24,280,007 | $23,421,161 | -$858,846 | -3.54% |
Frequently asked questions about TXNM
Who owns the most TXNM stock?
The largest holders of TXNM are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for TXNM ENERGY INC (TXNM).
Is TXNM widely held by superinvestors?
Many widely followed stocks like TXNM appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly TXNM is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.