M-tron Industries, Inc. - MPTI
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 5 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GAMCO INVESTORS, INC. ET AL | History | Added to | 174,260 | 9,274 | 0.09% | 0.08% | 1 | +32,760 | 23.15% | Q4 2025 | Feb 05, 2026 |
| VANGUARD GROUP INC | History | Added to | 143,581 | 7,641 | 0.0% | 0.0% | 2 | +16,989 | 13.42% | Q4 2025 | Jan 29, 2026 |
| BlackRock, Inc. | History | Added to | 135,378 | 7,204 | 0.0% | 0.0% | 3 | +3,384 | 2.56% | Q4 2025 | Feb 12, 2026 |
| Archon Capital Management LLC | History | No change | 118,233 | 6,292 | 3.58% | 3.91% | 4 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| NEXT CENTURY GROWTH INVESTORS LLC | History | Added to | 109,884 | 5,848 | 0.41% | 0.35% | 5 | +22,834 | 26.23% | Q4 2025 | Feb 13, 2026 |
| BARD ASSOCIATES INC | History | Reduced | 86,129 | 4,583 | 1.18% | 1.28% | 6 | -908 | -1.04% | Q4 2025 | Feb 13, 2026 |
| HERALD INVESTMENT MANAGEMENT Ltd | History | Added to | 67,000 | 3,556 | 0.46% | 0.4% | 7 | +12,000 | 21.82% | Q4 2025 | Feb 13, 2026 |
| Palisades Investment Partners, LLC | History | Added to | 66,751 | 3,552 | 1.34% | 1.36% | 8 | +4,392 | 7.04% | Q4 2025 | Jan 20, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 60,559 | 3,222 | 0.0% | 0.0% | 9 | +15,454 | 34.26% | Q4 2025 | Feb 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 56,854 | 3,026 | 0.0% | 0.0% | 10 | +1,111 | 1.99% | Q4 2025 | Feb 09, 2026 |
| Aristides Capital LLC | History | Added to | 54,054 | 2,876 | 0.51% | 0.06% | 11 | +47,054 | 672.2% | Q4 2025 | Feb 26, 2026 |
| Grandeur Peak Global Advisors, LLC | History | New | 44,061 | 2,344 | 0.32% | — | 12 | +44,061 | New | Q4 2025 | Feb 13, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 42,448 | 2,258 | 0.0% | 0.0% | 13 | +9,000 | 26.91% | Q4 2025 | Feb 12, 2026 |
| STATE STREET CORP | History | Added to | 35,703 | 1,900 | 0.0% | 0.0% | 14 | +2,962 | 9.05% | Q4 2025 | Feb 13, 2026 |
| ADVISORY RESEARCH INC | History | New | 35,599 | 1,894 | 0.24% | — | 15 | +35,599 | New | Q4 2025 | Feb 13, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | Added to | 31,660 | 1,684 | 0.0% | 0.0% | 16 | +4,960 | 18.58% | Q4 2025 | Feb 12, 2026 |
| NORTHERN TRUST CORP | History | Reduced | 25,626 | 1,363 | 0.0% | 0.0% | 17 | -315 | -1.21% | Q4 2025 | Feb 17, 2026 |
| Illumine Investment Management, LLC | History | Added to | 24,628 | 1,310 | 0.95% | 0.97% | 18 | +204 | 0.84% | Q4 2025 | Feb 09, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Added to | 22,724 | 1,209 | 0.0% | 0.0% | 19 | +18,555 | 445.07% | Q4 2025 | Feb 10, 2026 |
| MCINTYRE FREEDMAN & FLYNN INVESTMENT ADVISERS INC | History | No change | 22,000 | 1,170 | 0.73% | 0.73% | 20 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 21,546 | 1,146 | 0.0% | 0.0% | 21 | -154 | -0.71% | Q4 2025 | Feb 17, 2026 |
| AMERIPRISE FINANCIAL INC | History | Reduced | 20,376 | 1,084 | 0.0% | 0.0% | 22 | -859 | -4.05% | Q4 2025 | Feb 17, 2026 |
| Concorde Asset Management, LLC | History | Added to | 19,986 | 1,063 | 0.43% | 0.44% | 23 | +164 | 0.83% | Q4 2025 | Feb 13, 2026 |
| MORGAN STANLEY | History | Reduced | 19,228 | 1,023 | 0.0% | 0.0% | 24 | -3,307 | -14.67% | Q4 2025 | Feb 13, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 17,623 | 937 | 0.0% | 0.0% | 25 | -16,947 | -49.02% | Q4 2025 | Feb 17, 2026 |
| MARSHALL WACE, LLP | History | Reduced | 15,594 | 829 | 0.0% | 0.0% | 26 | -8,596 | -35.54% | Q4 2025 | Feb 13, 2026 |
| Janney Montgomery Scott LLC | History | Reduced | 12,779 | 680 | 0.0% | 0.0% | 27 | -3,973 | -23.72% | Q4 2025 | Feb 11, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 12,539 | 667 | 0.0% | 0.0% | 28 | +4,384 | 53.76% | Q4 2025 | Feb 17, 2026 |
| Bank of New York Mellon Corp | History | Added to | 10,565 | 562 | 0.0% | 0.0% | 29 | +2,624 | 33.04% | Q4 2025 | Feb 10, 2026 |
| UBS Group AG | History | Reduced | 9,697 | 516 | 0.0% | 0.0% | 30 | -114 | -1.16% | Q4 2025 | Jan 29, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | No change | 8,768 | 466 | 0.0% | 0.0% | 31 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| JPMORGAN CHASE & CO | History | Added to | 8,502 | 452 | 0.0% | 0.0% | 32 | +7,512 | 758.79% | Q4 2025 | Feb 11, 2026 |
| FIRST TRUST ADVISORS LP | History | Added to | 8,244 | 438 | 0.0% | 0.0% | 33 | +216 | 2.69% | Q4 2025 | Feb 13, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | No change | 7,843 | 417 | 0.0% | 0.0% | 34 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 6,934 | 369 | 0.01% | 0.01% | 35 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| CORSAIR CAPITAL MANAGEMENT, L.P. | History | Reduced | 5,735 | 305 | 0.05% | 0.09% | 36 | -4,265 | -42.65% | Q4 2025 | Feb 17, 2026 |
| Warberg Asset Management LLC | History | New | 5,258 | 279 | 0.03% | — | 38 | +5,258 | New | Q4 2025 | Feb 13, 2026 |
| GOLDMAN SACHS GROUP INC | History | Reduced | 5,253 | 279 | 0.0% | 0.0% | 37 | -4,679 | -47.11% | Q4 2025 | Mar 25, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Reduced | 5,108 | 271 | 0.0% | 0.0% | 39 | -11,417 | -69.09% | Q4 2025 | Feb 17, 2026 |
| JANE STREET GROUP, LLC | History | New | 4,498 | 239 | 0.0% | — | 40 | +4,498 | New | Q4 2025 | Feb 12, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | New | 4,445 | 236 | 0.0% | — | 41 | +4,445 | New | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA ADVISERS, LP | History | Added to | 4,200 | 223 | 0.0% | 0.0% | 42 | +300 | 7.69% | Q4 2025 | Feb 17, 2026 |
| BARCLAYS PLC | History | Added to | 3,830 | 203 | 0.0% | 0.0% | 43 | +317 | 9.02% | Q4 2025 | Feb 13, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 3,699 | 196 | 0.0% | 0.0% | 44 | -1,052 | -22.14% | Q4 2025 | Feb 17, 2026 |
| CANADA PENSION PLAN INVESTMENT BOARD | History | New | 3,200 | 170 | 0.0% | — | 45 | +3,200 | New | Q4 2025 | Feb 17, 2026 |
| RHUMBLINE ADVISERS | History | Reduced | 3,035 | 161 | 0.0% | 0.0% | 46 | -464 | -13.26% | Q4 2025 | Feb 13, 2026 |
| ROYAL BANK OF CANADA | History | New | 2,875 | 153 | 0.0% | — | 47 | +2,875 | New | Q4 2025 | Feb 17, 2026 |
| WELLS FARGO & COMPANY/MN | History | Added to | 2,847 | 151 | 0.0% | 0.0% | 48 | +1,179 | 70.68% | Q4 2025 | Feb 13, 2026 |
| UMB Bank, n.a. | History | No change | 2,133 | 113 | 0.0% | 0.0% | 49 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| DEUTSCHE BANK AG\ | History | Added to | 1,709 | 90 | 0.0% | 0.0% | 50 | +1,639 | 2341.43% | Q4 2025 | Feb 11, 2026 |
| LOS ANGELES CAPITAL MANAGEMENT LLC | History | New | 1,605 | 88 | 0.0% | — | 51 | +1,605 | New | Q4 2025 | Feb 11, 2026 |
| Truvestments Capital LLC | History | Reduced | 1,181 | 62 | 0.01% | 0.01% | 52 | -86 | -6.79% | Q4 2025 | Feb 13, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Reduced | 1,127 | 59 | 0.0% | 0.0% | 53 | -12 | -1.05% | Q4 2025 | Feb 17, 2026 |
| CALDWELL SUTTER CAPITAL, INC. | History | No change | 724 | 38 | 0.02% | 0.02% | 54 | 0 | 0.0% | Q4 2025 | Jan 30, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | No change | 687 | 36 | 0.0% | 0.0% | 55 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| AlphaQuest LLC | History | Reduced | 559 | 29 | 0.0% | 0.0% | 56 | -8 | -1.41% | Q4 2025 | Feb 09, 2026 |
| State of Alaska, Department of Revenue | History | New | 503 | 26 | 0.0% | — | 57 | +503 | New | Q4 2025 | Jan 23, 2026 |
| Solstein Capital, LLC | History | No change | 500 | 26 | 0.01% | 0.01% | 58 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| BFSG, LLC | History | No change | 300 | 15 | 0.0% | 0.0% | 59 | 0 | 0.0% | Q4 2025 | Jan 22, 2026 |
| Quarry LP | History | New | 257 | 13 | 0.0% | — | 62 | +257 | New | Q4 2025 | Feb 13, 2026 |
| Legal & General Group Plc | History | Reduced | 253 | 13 | 0.0% | 0.0% | 60 | -19 | -6.99% | Q4 2025 | Feb 09, 2026 |
| Ameritas Investment Partners, Inc. | History | No change | 251 | 13 | 0.0% | 0.0% | 61 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 217 | 11 | 0.0% | 0.0% | 63 | -151 | -41.03% | Q4 2025 | Feb 17, 2026 |
| Russell Investments Group, Ltd. | History | Added to | 212 | 11 | 0.0% | 0.0% | 66 | +9 | 4.43% | Q4 2025 | Feb 17, 2026 |
| CWM, LLC | History | Reduced | 208 | 11 | 0.0% | 0.0% | 64 | -4 | -1.89% | Q4 2025 | Jan 26, 2026 |
| IFP Advisors, Inc | History | No change | 221 | 11 | 0.0% | 0.0% | 65 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | Reduced | 151 | 8 | 0.0% | 0.0% | 67 | -3 | -1.95% | Q4 2025 | Feb 17, 2026 |
| MCF Advisors LLC | History | Added to | 140 | 7 | 0.0% | 0.0% | 68 | +30 | 27.27% | Q4 2025 | Feb 11, 2026 |
| Sunbelt Securities, Inc. | History | New | 120 | 6 | 0.0% | — | 69 | +120 | New | Q4 2025 | Feb 20, 2026 |
| FMR LLC | History | Added to | 77 | 4 | 0.0% | — | 70 | +59 | 327.78% | Q4 2025 | Feb 17, 2026 |
| AMALGAMATED BANK | History | Reduced | 77 | 4 | 0.0% | 0.0% | 71 | -7 | -8.33% | Q4 2025 | Feb 05, 2026 |
| WealthCollab, LLC | History | No change | 81 | 4 | 0.0% | 0.0% | 72 | 0 | 0.0% | Q4 2025 | Jan 27, 2026 |
| CITIGROUP INC | History | Reduced | 67 | 3 | 0.0% | 0.0% | 73 | -38 | -36.19% | Q4 2025 | Feb 13, 2026 |
| Farther Finance Advisors, LLC | History | No change | 70 | 3 | 0.0% | 0.0% | 74 | 0 | 0.0% | Q4 2025 | Jan 23, 2026 |
| Arax Advisory Partners | History | Reduced | 50 | 2 | 0.0% | 0.0% | 75 | -143 | -74.09% | Q4 2025 | Feb 13, 2026 |
| GAMMA Investing LLC | History | Added to | 35 | 1 | 0.0% | 0.0% | 77 | +12 | 52.17% | Q4 2025 | Jan 05, 2026 |
| SBI Securities Co., Ltd. | History | No change | 19 | 1 | 0.0% | 0.0% | 76 | 0 | 0.0% | Q4 2025 | Feb 03, 2026 |
| G2 Investment Partners Management LLC | History | Closed out | 0 | 0 | — | 0.17% | — | -15,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Quadrature Capital Ltd | History | Closed out | 0 | 0 | — | 0.01% | — | -10,355 | -100.0% | Q3 2025 | Nov 13, 2025 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -9,191 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Worth Venture Partners, LLC | History | Closed out | 0 | 0 | — | 1.15% | — | -7,062 | -100.0% | Q3 2025 | Nov 14, 2025 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.01% | — | -3,789 | -100.0% | Q3 2025 | Nov 14, 2025 |
| VICTORY CAPITAL MANAGEMENT INC | History | Closed out | 0 | 0 | — | 0.0% | — | -3,705 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Acuitas Investments, LLC | History | Closed out | 0 | 0 | — | 0.09% | — | -2,531 | -100.0% | Q3 2025 | Nov 18, 2025 |
| CIBC Private Wealth Group LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -500 | -100.0% | Q3 2025 | Nov 24, 2025 |
| Rise Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -12 | -100.0% | Q3 2025 | Oct 08, 2025 |
| Sterling Capital Management LLC | History | Added to | 16 | 0 | — | — | — | +10 | 166.67% | Q4 2025 | Feb 13, 2026 |
| Allworth Financial LP | History | New | 9 | 0 | — | — | — | +9 | New | Q4 2025 | Feb 05, 2026 |
| Advisory Services Network, LLC | History | Closed out | 0 | 0 | — | — | — | -2 | -100.0% | Q3 2025 | Nov 18, 2025 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Reduced | 1 | 0 | — | — | — | -1 | -50.0% | Q4 2025 | Feb 06, 2026 |
| Clearstead Advisors, LLC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| Founders Capital Management | History | No change | 5 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 15, 2026 |
| EverSource Wealth Advisors, LLC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| True Wealth Design, LLC | History | No change | 17 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 08, 2026 |