M-TRON INDUSTRIES INC -28 (MPTI/WS): Historical 13F Ownership

Historical 13F ownership records for MPTI/WS. The positions below are no longer present in the latest filing from any tracked manager.

Former Holders
2
Historical 13F filers
Last Reported Value
$282K
Across former positions
Last Price
$67.60
2026-10-19
Sector
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GICS
Historical data:This security is absent from every tracked manager's latest 13F. Each row is that manager's most recent historical position and the quarter shown is its reporting date. Do not interpret these values as current ownership.
Historical 13F Positions in MPTI/WS
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2 former holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager149K$261K92.6%0.0%New—Q3 2025
Walleye Capital LLC
CIK 0001758720
Hedge Fund20K$21K7.4%0.0%New—Q2 2025
Recent insider activity
No Form 4 purchase or sale records in our coverage in the last 90 days.