Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in TXNM held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 13.4M | $781.1M | +0.7% | 12.069% | 0.01% |
| 2 | Blackstone Inc | 8.0M | $467.7M | 0.0% | 7.226% | 1.94% |
| 3 | BALYASNY ASSET MANAGEMENT LLC | 7.1M | $417.0M | +108.9% | 6.444% | 1.43% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 6.5M | $382.9M | — | 5.916% | 0.02% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 4.7M | $275.6M | — | 4.259% | 0.01% |
| 6 | STATE STREET CORP | 3.9M | $227.0M | +2.8% | 3.508% | 0.01% |
| 7 | MILLENNIUM MANAGEMENT LLC | 3.5M | $206.3M | +20.4% | 3.188% | 0.14% |
| 8 | HBK INVESTMENTS L P | 3.0M | $177.8M | +79.2% | 2.747% | 2.31% |
| 9 | Pentwater Capital Management LP | 2.8M | $163.7M | +69.6% | 2.529% | 0.85% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 2.8M | $163.2M | +8.6% | 2.521% | 0.01% |
| 11 | GOLDMAN SACHS GROUP INC | 2.3M | $136.8M | +21.1% | 2.113% | 0.02% |
| 12 | UBS Group AG | 2.0M | $118.8M | +63.2% | 1.835% | 0.02% |
| 13 | CNH PARTNERS LLC | 1.8M | $103.2M | +49.6% | 1.595% | 1.70% |
| 14 | Zimmer Partners, LP | 1.5M | $89.6M | -17.7% | 1.384% | 2.17% |
| 15 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 1.5M | $88.8M | +420.4% | 1.373% | 0.15% |
| 16 | MORGAN STANLEY | 1.5M | $86.4M | +103.3% | 1.335% | 0.01% |
| 17 | Magnetar Financial LLC | 1.5M | $86.2M | -13.2% | 1.333% | 0.88% |
| 18 | Empyrean Capital Partners, LP | 1.4M | $84.3M | 0.0% | 1.303% | 2.81% |
| 19 | Verition Fund Management LLC | 1.3M | $78.8M | +55.6% | 1.217% | 0.55% |
| 20 | Qube Research & Technologies Ltd | 1.3M | $73.2M | +29.4% | 1.131% | 0.09% |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2M | $72.1M | +1.2% | 1.114% | 0.01% |
| 22 | NORTHERN TRUST CORP | 1.1M | $66.1M | -5.0% | 1.021% | 0.01% |
| 23 | ALLIANCEBERNSTEIN L.P. | 1.1M | $64.3M | +9.9% | 0.986% | 0.02% |
| 24 | Melqart Asset Management (UK) Ltd | 1.1M | $61.4M | +33.0% | 0.949% | 6.06% |
| 25 | Invesco Ltd. | 920K | $53.8M | -17.9% | 0.831% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in TXNM — a direct measure of their conviction.
Filings activity in TXNM during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 371 | 0.8% | 99.13% | 1.45 pp | $6.26B | 1.4% |
| Q4 2025 | 374 | +5.9% | 100.58% | +7.75 pp | $6.35B | +8.3% |
| Q3 2025 | 353 | +0.3% | 92.83% | +3.25 pp | $5.86B | +3.6% |
| Q2 2025 | 352 | +10% | 89.58% | +11.38 pp | $5.66B | +15% |
| Q1 2025 | 319 | +7.4% | 78.20% | +10.35 pp | $4.94B | +15% |
| Q4 2024 | 297 | +1.4% | 67.85% | +13.36 pp | $4.29B | +25% |
| Q3 2024 | 293 | +3.9% | 54.49% | +8.47 pp | $3.44B | +18% |
| Q2 2024 | 282 | — | 46.02% | — | $2.91B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying TXNM stock.
Based on Q1 2026 13F filings, institutional ownership of TXNM Energy, Inc. stands at 99.1%, held across 371 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of TXNM, with approximately 13,360,707 shares worth $0.78B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of TXNM, including MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for TXNM is 35 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
48 institutions opened new positions in TXNM during Q1 2026, while 51 fully exited. 137 added to existing positions and 181 trimmed.
TXNM institutional ownership fell by 1.45 percentage points quarter-over-quarter, with a net change of -3 holders.
The top 10 institutions account for 52.1% of all reported 13F value in TXNM, and the top 25 account for 72.3%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
TXNM Energy, Inc. (TXNM) Institutional Ownership