M-Tron IndustriesMPTI
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 85 institutions reported holding M-Tron Industries Inc. (MPTI) in their 13F filings, unchanged from Q3 2025. 10 opened new positions and 9 sold out. The largest holders were GAMCO Investors ($9.3M), Vanguard Group Inc. ($7.6M) and BlackRock, Inc. ($7.2M). 5 famous investors held it, including Mario Gabelli (0.1% of GAMCO Investors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- M-Tron Industries Inc.
- CUSIP
- 55380K109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 10 | $5.3M |
| Exits | 9 | $2.8M |
All 13F filers, Q3 2025 → Q4 2025: 309,660 shares bought and 108,634 shares sold, net +201,026 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 85 holders
| GAMCO Investors | 0.09% | Add +23.1% | 174,260 | $9.3M |
| Vanguard Group Inc. | 0.00% | Add +13.4% | 143,581 | $7.6M |
| BlackRock, Inc. | 0.00% | Add +2.6% | 135,378 | $7.2M |
| Archon Capital Management LLC | 3.58% | No change | 118,233 | $6.3M |
| Next Century Growth Investors LLC | 0.41% | Add +26.2% | 109,884 | $5.8M |
| Bard Associates Inc. | 1.18% | Reduce -1.0% | 86,129 | $4.6M |
| HERALD INVESTMENT MANAGEMENT Ltd | 0.46% | Add +21.8% | 67,000 | $3.6M |
| Palisades Investment Partners, LLC | 1.34% | Add +7.0% | 66,751 | $3.6M |
| Renaissance Technologies | 0.01% | Add +34.3% | 60,559 | $3.2M |
| Geode Capital Management, LLC | 0.00% | Add +2.0% | 56,854 | $3.0M |
| Aristides Capital LLC | 1.00% | Add +672.2% | 54,054 | $2.9M |
| Grandeur Peak Global Advisors, LLC | 0.32% | New | 44,061 | $2.3M |
| Dimensional Fund Advisors LP | 0.00% | Add +26.9% | 42,448 | $2.3M |
| State Street Corp. | 0.00% | Add +9.1% | 35,703 | $1.9M |
| Advisory Research Inc. | 0.24% | New | 35,599 | $1.9M |
| New York State Common Retirement Fund | 0.00% | Add +18.6% | 31,660 | $1.7M |
| Northern Trust Corp. | 0.00% | Reduce -1.2% | 25,626 | $1.4M |
| Illumine Investment Management, LLC | 0.96% | Add +0.8% | 24,628 | $1.3M |
| BNP Paribas Financial Markets | 0.00% | Add +445.1% | 22,724 | $1.2M |
| McIntyre Freedman & Flynn Investment Advisers Inc. | 0.73% | No change | 22,000 | $1.2M |
| Two Sigma Investments, LP | 0.00% | Reduce -0.7% | 21,546 | $1.1M |
| Ameriprise Financial Inc. | 0.00% | Reduce -4.0% | 20,376 | $1.1M |
| Concorde Asset Management, LLC | 0.43% | Add +0.8% | 19,986 | $1.1M |
| Morgan Stanley | 0.00% | Reduce -14.7% | 19,228 | $1.0M |
| Osaic Holdings, Inc. | 0.00% | Reduce -49.0% | 17,623 | $938K |
| Marshall Wace, LLP | 0.00% | Reduce -35.5% | 15,594 | $830K |
| Janney Montgomery Scott LLC | 0.00% | Reduce -23.7% | 12,779 | $680K |
| Citadel Advisors | 0.00% | Add +53.8% | 12,539 | $667K |
| Bank of New York Mellon Corp | 0.00% | Add +33.0% | 10,565 | $562K |
| UBS Group AG | 0.00% | Reduce -1.2% | 9,697 | $516K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 8,768 | $467K |
| JPMorgan Chase & Co. | 0.00% | Add +758.8% | 8,502 | $452K |
| First Trust Advisors LP | 0.00% | Add +2.7% | 8,244 | $439K |
| American Century Companies Inc. | 0.00% | No change | 7,843 | $417K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 6,934 | $369K |
| Corsair Capital Management, L.P. | 0.05% | Reduce -42.6% | 5,735 | $305K |
| Warberg Asset Management LLC | 0.89% | New | 5,258 | $280K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -47.1% | 5,253 | $280K |
| AQR Capital Management | 0.00% | Reduce -69.1% | 5,108 | $272K |
| Jane Street Group, LLC | 0.00% | New | 4,498 | $239K |
| Millennium Management | 0.00% | New | 4,445 | $237K |
| Two Sigma Advisers, LP | 0.00% | Add +7.7% | 4,200 | $224K |
| Barclays PLC | 0.00% | Add +9.0% | 3,830 | $204K |
| Bank of America Corp. | 0.00% | Reduce -22.1% | 3,699 | $197K |
| Canada Pension Plan Investment Board | 0.00% | New | 3,200 | $170K |
| Rhumbline Advisers | 0.00% | Reduce -13.3% | 3,035 | $162K |
| Royal Bank of Canada | 0.00% | Reduce -34.2% | 2,875 | $153K |
| Wells Fargo & Company | 0.00% | Add +70.7% | 2,847 | $152K |
| UMB Bank, n.a. | 0.00% | No change | 2,133 | $114K |
| Deutsche Bank AG | 0.00% | Add +2341.4% | 1,709 | $91K |
| Los Angeles Capital Management LLC | 0.00% | New | 1,605 | $89K |
| Truvestments Capital LLC | 0.01% | Reduce -6.8% | 1,181 | $63K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -1.1% | 1,127 | $60K |
| Caldwell Sutter Capital, Inc. | 0.02% | No change | 724 | $39K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 687 | $37K |
| AlphaQuest LLC | 0.00% | Reduce -1.4% | 559 | $30K |
| Solstein Capital, LLC | 0.01% | No change | 500 | $27K |
| State of Alaska, Department of Revenue | 0.00% | New | 503 | $26K |
| Bfsg, LLC | 0.00% | No change | 300 | $16K |
| Quarry LP | 0.00% | New | 257 | $14K |
| Legal & General Group Plc | 0.00% | Reduce -7.0% | 253 | $13K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 251 | $13K |
| IFP Advisors, Inc | 0.00% | No change | 221 | $12K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -41.0% | 217 | $12K |
| Russell Investments Group, Ltd. | 0.00% | Add +4.4% | 212 | $11K |
| Cwm, LLC | 0.00% | Reduce -1.9% | 208 | $11K |
| California State Teachers Retirement System | 0.00% | Reduce -1.9% | 151 | $8K |
| MCF Advisors LLC | 0.00% | Add +27.3% | 140 | $7K |
| Sunbelt Securities, Inc. | 0.00% | New | 120 | $6K |
| WealthCollab, LLC | 0.00% | No change | 81 | $4K |
| FMR LLC | 0.00% | Add +327.8% | 77 | $4K |
| Amalgamated Bank | 0.00% | Reduce -8.3% | 77 | $4K |
| Farther Finance Advisors, LLC | 0.00% | No change | 70 | $4K |
| Citigroup Inc. | 0.00% | Reduce -36.2% | 67 | $4K |
| Arax Advisory Partners | 0.00% | Reduce -74.1% | 50 | $3K |
| GAMMA Investing LLC | 0.00% | Add +52.2% | 35 | $2K |
| SBI Securities Co., Ltd. | 0.00% | No change | 19 | $1K |
| True Wealth Design, LLC | 0.00% | No change | 17 | $905 |
| Sterling Capital Management LLC | 0.00% | Add +166.7% | 16 | $852 |
| Allworth Financial LP | 0.00% | No change | 9 | $479 |
| Essential Partners LLC | 0.00% | No change | 7 | $373 |
| Founders Capital Management | 0.00% | No change | 5 | $266 |
| Clearstead Advisors, LLC | 0.00% | No change | 1 | $54 |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -50.0% | 1 | $53 |
| EverSource Wealth Advisors, LLC | 0.00% | No change | 1 | $53 |
"% of holder's portfolio" is MPTI's weight in each manager's 13F, not the share of M-Tron Industries Inc. the manager owns.