§ ELECTRICAL EQUIPMENT
USD · Electrical EquipmentMPTI
M-TRON INDUSTRIES INC
USDSector · Electrical Equipment
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
94 increased/new, 20 decreased/exited (13F)
AC 13F Analysis
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| GAMCO INVESTORS, INC. ET AL | 337K | 0.1% | +93% |
| BlackRock, Inc. | 283K | 0.0% | +109% |
| VANGUARD CAPITAL MANAGEMENT LLC | 234K | n/a | n/a |
| NEXT CENTURY GROWTH INVESTORS LLC | 108K | 0.5% | −2% |
| Renaissance Technologies | 194K | 0.0% | +221% |
| BARD ASSOCIATES INC | 86K | 1.4% | −1% |
◇ AC INTELLIGENCE
Top institutional owners for MPTI as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER60.9% · 57 holders
PASSIVE / INDEX12.8% · 7 holders
DEALER / BANK9.8% · 17 holders
SYSTEMATIC / QUANT8.1% · 2 holders
QUALITY / COMPOUNDER4.3% · 7 holders
INCOME / DEFENSIVE1.8% · 3 holders
TACTICAL / MACRO1.7% · 2 holders
ACTIVIST0.2% · 1 holder
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for MPTI in the last 180 days.