M-tron Industries, Inc.

MPTI

Exchange: NYSE
Industry: Electronic Components, NEC
SEC CIK: 0001902314

SEC filings (opens in a new tab)

In the last 90 days, M-tron Industries, Inc. insiders filed 0 open-market purchases and 1 sale; 119 institutions reported holding it in 13F filings for Q2 2026, worth $288.2M in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding M-tron Industries, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of MPTI: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Q4 2025	Change
Holders	85	85	0
Shares	1.43M	1.62M	+198.5K (+13.9%)
Value	$78.7M	$86.5M	+$7.77M (+9.9%)

New holders (10)

Institutions that held M-tron Industries, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to MPTI in Q4 2025
Institution	Shares	Value	% of portfolio
Grandeur Peak Global Advisors, LLC	44,061	$2.34M	0.32%
Advisory Research Inc	35,599	$1.89M	0.24%
Warberg Asset Management LLC	5,258	$279.8K	0.08%
Jane Street Group, LLC	4,498	$239.4K	0.00%
Millennium Management LLC	4,445	$236.6K	0.00%
Canada Pension Plan Investment Board	3,200	$170.3K	0.00%
Los Angeles Capital Management LLC	1,605	$88.9K	0.00%
State of Alaska, Department of Revenue	503	$26.0K	0.00%
Quarry LP	257	$13.7K	0.00%
Sunbelt Securities, Inc.	120	$6.39K	0.00%

Sold out (10)

Institutions that held M-tron Industries, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of MPTI in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
G2 Investment Partners Management LLC	15,000	$832.2K
Quadrature Capital Ltd	10,355	$572.6K
Susquehanna International Group, LLP	9,191	$509.9K
Worth Venture Partners, LLC	7,062	$391.8K
XTX Topco Ltd	3,789	$210.2K
Victory Capital Management Inc	3,705	$205.6K
Acuitas Investments, LLC	2,531	$140.4K
CIBC Private Wealth Group, LLC	500	$27.7K
Rise Advisors, LLC	12	$666
Advisory Services Network, LLC	2	$111