M-Tron Industries Inc. -28MPTI.WSPreferred / convertible

13F holders, Q4 2025 (December 31)
3holders −36
0new positions
35sold out
$1.00avg. 13F price*

At the end of Q4 2025, 3 institutions reported holding M-Tron Industries Inc. -28 (MPTI.WS) in their 13F filings, down 36 from Q3 2025. 0 opened new positions and 35 sold out. The largest holders were Next Century Growth Investors LLC ($28K), UMB Bank, n.a. ($2K) and IFP Advisors, Inc ($50).

Company
M-Tron Industries Inc. -28
CUSIP
55380K125
Latest filing quarter
Q4 2025

History

Number of 13F holders

010203040 Q1 2025: 1Q1 2025Q2 2025: 35Q2 2025Q3 2025: 39Q3 2025Q4 2025: 3Q4 2025

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions0$0
Exits35$2.0M

All 13F filers, Q3 2025 → Q4 2025: 1,039,486 shares sold, net −1,039,486 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 3 holders

Next Century Growth Investors LLC — Reduce -60.3% 27,967 $28K
UMB Bank, n.a. — No change 2,133 $2K
IFP Advisors, Inc — No change 50 $50

"% of holder's portfolio" is MPTI.WS's weight in each manager's 13F, not the share of M-Tron Industries Inc. -28 the manager owns.