M-Tron IndustriesMPTI
13F holders, Q1 2026 (March 31)97holders +12
18new positions
7sold out
6famous investors
$66.85avg. 13F price*
At the end of Q1 2026, 97 institutions reported holding M-Tron Industries Inc. (MPTI) in their 13F filings, up 12 from Q4 2025. 18 opened new positions and 7 sold out. The largest holders were GAMCO Investors ($11.3M), BlackRock, Inc. ($9.5M) and Vanguard Capital Management LLC ($7.8M). 6 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 Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 18 | $20.1M |
| Exits | 7 | $327K |
All 13F filers, Q4 2025 → Q1 2026: 545,811 shares bought and 110,695 shares sold, net +435,116 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 97 holders
| GAMCO Investors | 0.11% | Reduce -3.4% | 168,400 | $11.3M |
| BlackRock, Inc. | 0.00% | Add +4.7% | 141,748 | $9.5M |
| Vanguard Capital Management LLC | 0.00% | — | 116,768 | $7.8M |
| Next Century Growth Investors LLC | 0.52% | Reduce -1.5% | 108,220 | $7.2M |
| Renaissance Technologies | 0.01% | Add +59.8% | 96,789 | $6.5M |
| Bard Associates Inc. | 1.44% | Reduce -0.7% | 85,518 | $5.7M |
| Palisades Investment Partners, LLC | 2.12% | Add +21.4% | 81,027 | $5.4M |
| Archon Capital Management LLC | 2.95% | Reduce -33.8% | 78,233 | $5.2M |
| Nomura Holdings Inc. | 0.04% | New | 72,516 | $4.8M |
| Aristides Capital LLC | 1.46% | Add +21.5% | 65,673 | $4.4M |
| Geode Capital Management, LLC | 0.00% | Add +12.4% | 63,931 | $4.3M |
| Two Sigma Investments, LP | 0.00% | Add +189.9% | 62,463 | $4.2M |
| HERALD INVESTMENT MANAGEMENT Ltd | 0.51% | Reduce -17.9% | 55,000 | $3.7M |
| Marshall Wace, LLP | 0.00% | Add +230.8% | 51,593 | $3.4M |
| Grandeur Peak Global Advisors, LLC | 0.80% | Add +15.4% | 50,848 | $3.4M |
| Advisory Research Inc. | 0.42% | Add +42.0% | 50,543 | $3.4M |
| Dimensional Fund Advisors LP | 0.00% | Add +6.0% | 44,988 | $3.0M |
| State Street Corp. | 0.00% | Add +24.0% | 44,283 | $3.0M |
| Congruence Capital, LLC | 0.95% | New | 42,256 | $2.8M |
| Cable Car Capital, LP | 1.14% | New | 40,000 | $2.7M |
| Potrero Capital Research LLC | 1.30% | New | 31,801 | $2.1M |
| New York State Common Retirement Fund | 0.00% | No change | 31,660 | $2.1M |
| Northern Trust Corp. | 0.00% | Add +10.9% | 28,433 | $1.9M |
| Illumine Investment Management, LLC | 1.24% | Reduce -2.2% | 24,093 | $1.6M |
| Citadel Advisors | 0.00% | Add +81.5% | 22,755 | $1.5M |
| BNP Paribas Financial Markets | 0.00% | Reduce -1.3% | 22,428 | $1.5M |
| ExodusPoint Capital Management, LP | 0.01% | New | 21,882 | $1.5M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 21,597 | $1.4M |
| McIntyre Freedman & Flynn Investment Advisers Inc. | 0.81% | Reduce -2.3% | 21,500 | $1.4M |
| UBS Group AG | 0.00% | Add +119.8% | 21,316 | $1.4M |
| Ameriprise Financial Inc. | 0.00% | Reduce -1.2% | 20,131 | $1.3M |
| Vanguard Portfolio Management LLC | 0.00% | — | 19,807 | $1.3M |
| Sei Investments Co. | 0.00% | New | 18,398 | $1.2M |
| Morgan Stanley | 0.00% | Reduce -11.0% | 17,119 | $1.1M |
| Jane Street Group, LLC | 0.00% | Add +223.4% | 14,549 | $973K |
| Russell Investments Group, Ltd. | 0.00% | Add +6642.4% | 14,294 | $956K |
| Janney Montgomery Scott LLC | 0.00% | Reduce -3.5% | 12,329 | $824K |
| Apis Capital Advisors, LLC | 0.12% | New | 12,000 | $802K |
| Susquehanna International Group, LLP | 0.00% | New | 11,906 | $796K |
| Bank of New York Mellon Corp | 0.00% | Add +4.8% | 11,074 | $740K |
| XTX Topco Ltd | 0.01% | New | 10,631 | $711K |
| Nuveen, LLC | 0.00% | New | 10,077 | $674K |
| Concorde Asset Management, LLC | 0.33% | Reduce -50.1% | 9,963 | $666K |
| First Trust Advisors LP | 0.00% | Add +20.6% | 9,939 | $664K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -1.3% | 8,658 | $579K |
| Royce & Associates LP | 0.01% | New | 8,324 | $556K |
| American Century Companies Inc. | 0.00% | Reduce -1.2% | 7,749 | $518K |
| Millennium Management | 0.00% | Add +64.4% | 7,307 | $488K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 6,934 | $464K |
| Marex Group Ltd | 0.00% | New | 5,932 | $397K |
| Corsair Capital Management, L.P. | 0.06% | No change | 5,735 | $383K |
| HRT Financial LP | 0.00% | New | 5,701 | $381K |
| D. E. Shaw & Co. | 0.00% | New | 5,416 | $362K |
| Bank of America Corp. | 0.00% | Add +44.4% | 5,343 | $357K |
| Los Angeles Capital Management LLC | 0.00% | Add +219.3% | 5,125 | $343K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -3.2% | 5,086 | $340K |
| Canada Pension Plan Investment Board | 0.00% | No change | 3,200 | $214K |
| AQR Capital Management | 0.00% | Reduce -39.0% | 3,114 | $208K |
| Rhumbline Advisers | 0.00% | Add +1.2% | 3,071 | $205K |
| Osaic Holdings, Inc. | 0.00% | Reduce -85.7% | 2,527 | $169K |
| Royal Bank of Canada | 0.00% | Reduce -12.4% | 2,517 | $168K |
| Acadian Asset Management LLC | 0.00% | New | 2,210 | $147K |
| UMB Bank, n.a. | 0.00% | No change | 2,133 | $143K |
| Vanguard Global Advisers, LLC | 0.00% | — | 2,017 | $135K |
| Deutsche Bank AG | 0.00% | No change | 1,709 | $114K |
| MetLife Investment Management, LLC | 0.00% | New | 1,591 | $106K |
| Wells Fargo & Company | 0.00% | Reduce -54.7% | 1,290 | $86K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +13.8% | 1,283 | $86K |
| JPMorgan Chase & Co. | 0.00% | Reduce -86.8% | 1,123 | $74K |
| Truvestments Capital LLC | 0.01% | Reduce -18.0% | 968 | $65K |
| Caldwell Sutter Capital, Inc. | 0.02% | No change | 724 | $48K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 687 | $46K |
| Barclays PLC | 0.00% | Reduce -84.9% | 577 | $39K |
| State of Alaska, Department of Revenue | 0.00% | No change | 503 | $33K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +112.0% | 460 | $31K |
| Bfsg, LLC | 0.00% | No change | 300 | $20K |
| Sound Income Strategies, LLC | 0.00% | New | 250 | $18K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 251 | $17K |
| IFP Advisors, Inc | 0.00% | Add +6.3% | 235 | $16K |
| Legal & General Group Plc | 0.00% | Reduce -12.3% | 222 | $15K |
| Cwm, LLC | 0.00% | Add +1.4% | 211 | $14K |
| California State Teachers Retirement System | 0.00% | Reduce -0.7% | 150 | $10K |
| Citigroup Inc. | 0.00% | Add +113.4% | 143 | $10K |
| MCF Advisors LLC | 0.00% | No change | 140 | $9K |
| Sunbelt Securities, Inc. | 0.00% | No change | 120 | $8K |
| FMR LLC | 0.00% | Add +18.2% | 91 | $6K |
| WealthCollab, LLC | 0.00% | No change | 81 | $5K |
| Farther Finance Advisors, LLC | 0.00% | No change | 70 | $5K |
| GAMMA Investing LLC | 0.00% | Add +91.4% | 67 | $4K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -5.3% | 18 | $1K |
| True Wealth Design, LLC | 0.00% | No change | 17 | $1K |
| Sterling Capital Management LLC | 0.00% | No change | 16 | $1K |
| Allworth Financial LP | 0.00% | No change | 9 | $602 |
| Essential Partners LLC | 0.00% | No change | 7 | $468 |
| Advisory Services Network, LLC | 0.00% | New | 2 | $134 |
| PNC Financial Services Group, Inc. | 0.00% | No change | 1 | $67 |
| EverSource Wealth Advisors, LLC | 0.00% | No change | 1 | $67 |
"% of holder's portfolio" is MPTI's weight in each manager's 13F, not the share of M-Tron Industries Inc. the manager owns.