M-tron Industries, Inc. (MPTI) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

2,983,750Shares Outstanding

146,797Shares held by institutions

$9,035,355Value of institutional holdings

53.72%Institutional ownership %

18.53%Shares Changed QoQ

82No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Recent 13F filings as of December 2025 show that 82 institutional investors hold a position in M-tron Industries, Inc. (NYSE:MPTI).

M-tron Industries saw its institutional ownership percentage rose to 53.7% in December 2025 from 46.9% in September 2025.
Quarterly data indicates a 18.53% shift in institutional share volume, and the annual owner count reflects an increase of 41.38%.
Of these 82 institutional investors, 37 increased their holdings in M-tron Industries, while 26 of them reduced positions, and 19 investors maintained their exposure.
Collectively, institutional investors increased their stake in M-tron Industries to 1.60Mn shares as of December 2025, a change that is up by 250.51K shares quarter on quarter and up 539.62K shares year over year.
The top institutional stake in M-tron Industries as of December 31, 2025 belongs to GAMCO INVESTORS, INC. ET AL, which owns 174.26K shares, or 5.84% of the company.
Among the most significant buyers of M-tron Industries during December 2025 were Aristides Capital LLC (47.05K), Grandeur Peak Global Advisors, LLC (44.06K), ADVISORY RESEARCH INC (35.60K), GAMCO INVESTORS, INC. ET AL (32.76K), NEXT CENTURY GROWTH INVESTORS LLC (22.83K).
Leading sellers of M-tron Industries stock in December 2025 included OSAIC HOLDINGS, INC. (16.95K), AQR CAPITAL MANAGEMENT LLC (11.42K), MARSHALL WACE, LLP (8.60K), GOLDMAN SACHS GROUP INC (4.68K), CORSAIR CAPITAL MANAGEMENT, L.P. (4.26K).
The top 10 institutional holders of M-tron Industries for the quarter ending December 2025 included GAMCO INVESTORS, INC. ET AL (174.26K), VANGUARD GROUP INC (143.58K), BlackRock, Inc. (135.38K), Archon Capital Management LLC (118.23K), NEXT CENTURY GROWTH INVESTORS LLC (109.88K), BARD ASSOCIATES INC (86.13K), HERALD INVESTMENT MANAGEMENT Ltd (67.00K), Palisades Investment Partners, LLC (66.75K), RENAISSANCE TECHNOLOGIES LLC (60.56K), GEODE CAPITAL MANAGEMENT, LLC (56.85K).

82 Institutional Holders

146,797 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
GAMCO INVESTORS, INC. ET AL	31 Dec, 2025	174,260	32,760	23.15%	$9,274,117.00
VANGUARD GROUP INC	31 Dec, 2025	143,581	16,989	13.42%	$7,641,381.00
BlackRock, Inc.	31 Dec, 2025	135,378	3,384	2.56%	$7,204,818.00
Archon Capital Management LLC	31 Dec, 2025	118,233	0	0.00%	$6,292,360.00
NEXT CENTURY GROWTH INVESTORS LLC	31 Dec, 2025	109,884	22,834	26.23%	$5,848,026.00
BARD ASSOCIATES INC	31 Dec, 2025	86,129	-908	-1.04%	$4,583,786.00
HERALD INVESTMENT MANAGEMENT Ltd	31 Dec, 2025	67,000	12,000	21.82%	$3,556,360.00
Palisades Investment Partners, LLC	31 Dec, 2025	66,751	4,392	7.04%	$3,552,488.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	60,559	15,454	34.26%	$3,222,950.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	56,854	1,111	1.99%	$3,026,542.00
Aristides Capital LLC	31 Dec, 2025	54,054	47,054	672.20%	$2,876,754.00
Grandeur Peak Global Advisors, LLC	31 Dec, 2025	44,061	44,061	0.00%	$2,344,926.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	42,448	9,000	26.91%	$2,258,972.00
STATE STREET CORP	31 Dec, 2025	35,703	2,962	9.05%	$1,900,114.00
ADVISORY RESEARCH INC	31 Dec, 2025	35,599	35,599	0.00%	$1,894,579.00
NEW YORK STATE COMMON RETIREMENT FUND	31 Dec, 2025	31,660	4,960	18.58%	$1,684,945.00
NORTHERN TRUST CORP	31 Dec, 2025	25,626	-315	-1.21%	$1,363,816.00
Illumine Investment Management, LLC	31 Dec, 2025	24,628	204	0.84%	$1,310,702.00
BNP PARIBAS FINANCIAL MARKETS	31 Dec, 2025	22,724	18,555	445.07%	$1,209,371.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	21,546	-154	-0.71%	$1,146,678.00

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