MPTI · AMEX · Hardware, Equipment & Parts

M-tron Industries

Precision timing, filter, and RF assemblies for harsh-environment electronic systems.

$76.98
After-hours close−0.04 (−0.05%)
At close$77.02(−1.57%)

Breakdown13F · Form 4

Institutions 58.12%2.07M sharesInsiders 0.81%28.7K sharesOther 41.07%1.46M shares

Shares outstanding 3.57M · Float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
BlackRock, Inc.282.6K7.60%13GApr 27, 2026
T. Rowe Price Investment Management, Inc.255.5K5.90%13GAug 14, 2026
Bank of America Corp /DE/212.4K6.10%13GMay 14, 2026
Gamco Investors, Inc. et al168.4K4.72%13FMay 14, 2026
Vanguard Capital Management LLC116.8K3.28%13FMay 15, 2026

Institutions13F, as of Mar 31, 2026

97 holders · 2.07M shares · 22 new positions · 51 increased · 25 reduced · 10 closed

HolderShares% outstandingChg q/qFiled
Gamco Investors, Inc. et al168.4K4.72%−5.9KMay 14, 2026
BlackRock, Inc.141.7K3.98%+6.4KMay 13, 2026
Vanguard Capital Management LLC116.8K3.28%+116.8KnewMay 15, 2026
Next Century Growth Investors LLC108.2K3.04%−1.7KMay 14, 2026
Renaissance Technologies LLC96.8K2.71%+36.2KMay 14, 2026
Bard Associates Inc85.5K2.40%−611May 8, 2026
Palisades Investment Partners, LLC81.0K2.27%+14.3KApr 30, 2026
Archon Capital Management LLC78.2K2.19%−40.0KMay 15, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
BlackRock, Inc.7.60%282.6K13GApr 27, 2026
Bank of America Corp /DE/6.10%212.4K13GMay 14, 2026
T. Rowe Price Investment Management, Inc.5.90%255.5K13GAug 14, 2026

InsidersForm 4

InsiderRoleShares% outstandingFiled
Linda M. Bilesofficer: Executive VP - Finance28.7K0.81%Aug 19, 2026

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Aug 11, 2026
Linda M. Bilesofficer: Executive VP - Finance
Sale1,218$85.0528,723

CongressHouse and Senate disclosures

Not reported.