MPTI
M-tron Inds (MPTI)
NYSE
$80.62-$0.39 (-0.48%)
Price as of Aug 21, 2026 7:30 PM EDT
  • $352.1M
    Market Cap
  • 80.38%
    1-Year Change
  • Electronic Components
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
GAMCO INVESTORS, INC. ET AL
4.72%
168,400
-5,860 (-3.48%)
Mar 31, 2026
VANGUARD GROUP INC
4.03%
143,581
+16,989 (+11.83%)
Dec 31, 2025
BLACKROCK, INC.
3.98%
141,748
+6,370 (+4.49%)
Mar 31, 2026
N/A
3.28%
116,768
+116,768 (+100.00%)
Mar 31, 2026
NEXT CENTURY GROWTH INVESTORS LLC
3.04%
108,220
-1,664 (-1.54%)
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
2.71%
96,789
+36,230 (+37.43%)
Mar 31, 2026
BARD ASSOCIATES INC
2.40%
85,518
-611 (-0.71%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions9.1M (72.37%)
  • Mutual Funds3.1M (24.88%)
  • Insiders344,780 (2.75%)
  • Other0 (0.00%)

Insider Transactions

  • 2.75% (344,780)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $2.3M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Biles Linda M
Executive VP - Finance
Sell
Aug 11, 2026
$103,590.90
1,218
$85.05
28,723
Drafts William Arnold
President
Award
Mar 19, 2026
$0.00
2,840
$0.00
16,656
Biles Linda M
Executive VP - Finance
Award
Mar 19, 2026
$0.00
1,565
$0.00
29,941