M-Tron IndustriesMPTI

13F holders, Q3 2025 (September 30)
85holders +15
24new positions
10sold out
4famous investors
$55.18avg. 13F price*

At the end of Q3 2025, 85 institutions reported holding M-Tron Industries Inc. (MPTI) in their 13F filings, up 15 from Q2 2025. 24 opened new positions and 10 sold out. The largest holders were GAMCO Investors ($7.9M), BlackRock, Inc. ($7.3M) and Vanguard Group Inc. ($7.0M). 4 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 Cliff Asness (0.0% of AQR Capital Management'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 Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions24$3.6M
Exits10$2.0M

All 13F filers, Q2 2025 → Q3 2025: 195,506 shares bought and 155,405 shares sold, net +40,101 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 85 holders

GAMCO Investors 0.08% Reduce -2.1% 141,500 $7.9M
BlackRock, Inc. 0.00% Add +11.4% 131,994 $7.3M
Vanguard Group Inc. 0.00% Add +1.7% 126,592 $7.0M
Archon Capital Management LLC 3.91% Add +17.4% 118,233 $6.6M
Next Century Growth Investors LLC 0.35% Add +26.6% 87,050 $4.8M
Bard Associates Inc. 1.28% Reduce -0.1% 87,037 $4.8M
Palisades Investment Partners, LLC 1.36% Add +0.4% 62,359 $3.5M
Geode Capital Management, LLC 0.00% Add +1.9% 55,743 $3.1M
HERALD INVESTMENT MANAGEMENT Ltd 0.40% Add +57.1% 55,000 $3.0M
Renaissance Technologies 0.00% Add +16.8% 45,105 $2.5M
Dimensional Fund Advisors LP 0.00% Add +8.7% 33,448 $1.9M
State Street Corp. 0.00% Add +9.3% 32,741 $1.8M
Osaic Holdings, Inc. 0.00% Reduce -3.0% 34,570 $1.6M
New York State Common Retirement Fund 0.00% Reduce -2.2% 26,700 $1.5M
Northern Trust Corp. 0.00% Add +0.4% 25,941 $1.4M
Illumine Investment Management, LLC 0.97% Add +0.7% 24,424 $1.4M
Marshall Wace, LLP 0.00% Reduce -57.0% 24,190 $1.3M
Morgan Stanley 0.00% Reduce -18.4% 22,535 $1.3M
McIntyre Freedman & Flynn Investment Advisers Inc. 0.73% No change 22,000 $1.2M
Two Sigma Investments, LP 0.00% Add +228.0% 21,700 $1.2M
Ameriprise Financial Inc. 0.00% Add +3.9% 21,235 $1.2M
Concorde Asset Management, LLC 0.44% — 19,822 $1.0M
Janney Montgomery Scott LLC 0.00% Add +105.7% 16,752 $929K
AQR Capital Management 0.00% New 16,525 $917K
G2 Investment Partners Management LLC 0.17% Reduce -70.8% 15,000 $832K
Quadrature Capital Ltd 0.01% Add +109.7% 10,355 $573K
Corsair Capital Management, L.P. 0.10% New 10,000 $555K
Goldman Sachs Group Inc. 0.00% Add +67.2% 9,932 $551K
UBS Group AG 0.00% Add +62.8% 9,811 $544K
Susquehanna International Group, LLP 0.00% Reduce -56.7% 9,191 $510K
Charles Schwab Investment Management Inc. 0.00% No change 8,768 $486K
Citadel Advisors 0.00% Reduce -49.0% 8,155 $452K
First Trust Advisors LP 0.00% New 8,028 $445K
Bank of New York Mellon Corp 0.00% Add +16.1% 7,941 $441K
American Century Companies Inc. 0.00% Reduce -29.3% 7,843 $435K
Worth Venture Partners, LLC 1.88% New 7,062 $392K
Aristides Capital LLC 0.11% New 7,000 $388K
Bridgeway Capital Management, LLC 0.01% Add +9.5% 6,934 $385K
Bank of America Corp. 0.00% Add +63.9% 4,751 $264K
Royal Bank of Canada 0.00% Reduce -24.0% 4,371 $243K
BNP Paribas Financial Markets 0.00% Add +824.4% 4,169 $231K
Two Sigma Advisers, LP 0.00% New 3,900 $216K
XTX Topco Ltd 0.01% New 3,789 $210K
Victory Capital Management Inc. 0.00% New 3,705 $206K
Barclays PLC 0.00% Reduce -24.3% 3,513 $195K
Rhumbline Advisers 0.00% Reduce -0.8% 3,499 $194K
Acuitas Investments, LLC 0.09% New 2,531 $140K
UMB Bank, n.a. 0.00% No change 2,133 $118K
Wells Fargo & Company 0.00% Add +21.8% 1,668 $93K
Truvestments Capital LLC 0.01% Reduce -28.5% 1,267 $70K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% New 1,139 $63K
JPMorgan Chase & Co. 0.00% Reduce -14.7% 990 $55K
Caldwell Sutter Capital, Inc. 0.02% No change 724 $40K
Police & Firemen's Retirement System of New Jersey 0.00% No change 687 $38K
AlphaQuest LLC 0.00% No change 567 $31K
Solstein Capital, LLC 0.01% New 500 $28K
CIBC Private Wealth Group LLC 0.00% No change 500 $28K
Tower Research Capital LLC (TRC) 0.00% Add +96.8% 368 $20K
Bfsg, LLC 0.00% No change 300 $17K
Legal & General Group Plc 0.00% No change 272 $15K
Ameritas Investment Partners, Inc. 0.00% No change 251 $14K
IFP Advisors, Inc 0.00% Add +121.0% 221 $12K
Cwm, LLC 0.00% New 212 $12K
Russell Investments Group, Ltd. 0.00% New 203 $11K
California State Teachers Retirement System 0.00% Add +0.7% 154 $9K
MCF Advisors LLC 0.00% Add +25.0% 110 $6K
Citigroup Inc. 0.00% Reduce -87.9% 105 $6K
Amalgamated Bank 0.00% No change 84 $5K
Arax Advisory Partners 0.00% New 193 $5K
WealthCollab, LLC 0.00% No change 81 $4K
Farther Finance Advisors, LLC 0.00% New 70 $4K
Deutsche Bank AG 0.00% Reduce -97.1% 70 $4K
GAMMA Investing LLC 0.00% New 23 $1K
SBI Securities Co., Ltd. 0.00% Reduce -87.3% 19 $1K
FMR LLC 0.00% No change 18 $992
True Wealth Design, LLC 0.00% New 17 $944
Rise Advisors, LLC 0.00% New 12 $666
Allworth Financial LP 0.00% New 9 $500
Essential Partners LLC 0.00% New 7 $388
Sterling Capital Management LLC 0.00% No change 6 $333
Founders Capital Management 0.00% No change 5 $277
PNC Financial Services Group, Inc. 0.00% New 2 $111
Advisory Services Network, LLC 0.00% New 2 $111
Clearstead Advisors, LLC 0.00% New 1 $56
EverSource Wealth Advisors, LLC 0.00% New 1 $55

"% of holder's portfolio" is MPTI's weight in each manager's 13F, not the share of M-Tron Industries Inc. the manager owns.