M-Tron IndustriesMPTI

13F holders, Q4 2025 (December 31)
85holders
10new positions
9sold out
5famous investors
$53.22avg. 13F price*

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

050100150 Q1 2024: 34Q1 2024Q2 2024: 29Q2 2024Q3 2024: 37Q3 2024Q4 2024: 59Q4 2024Q1 2025: 56Q1 2025Q2 2025: 70Q2 2025Q3 2025: 85Q3 2025Q4 2025: 85Q4 2025Q1 2026: 97Q1 2026Q2 2026: 118Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions10$5.3M
Exits9$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.