Stock Ownership/MPTI

M-TRON INDUSTRIES INC (MPTI): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MPTI · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
10
13F filers
Aggregate Value
$54.7M
Across holders
Last Price
$79.04
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity8 increased2 reduced2 exited
Full exits: MILLENNIUM MANAGEMENT LLC, MARSHALL WACE, LLP
Institutional Holders of MPTI
↗
10 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager201K$20.0M36.5%0.2%Added+$3.3MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund132K$13.1M24.0%0.0%Added+$6.9MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund96K$9.5M17.4%0.0%Reduced$-78KQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund48K$4.8M8.8%0.0%Added+$4.3MQ2 2026
Verition Fund Management LLC
CIK 0001454027
Hedge Fund25K$2.5M4.5%0.0%Added—Q2 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund14K$1.4M2.6%0.0%Added—Q2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund12K$1.2M2.2%0.0%Added—Q2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund9K$937K1.7%0.0%Added—Q2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund9K$912K1.7%0.0%Reduced$-292KQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund4K$369K0.7%0.0%Added$-854KQ2 2026
GAMCO INVESTORS, INC. ET ALAdded
Institutional Manager
$20.0M· 36.5% of total· 0.2% port· 201K sh· +$3.3M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$13.1M· 24.0% of total· 0.0% port· 132K sh· +$6.9M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$9.5M· 17.4% of total· 0.0% port· 96K sh· $-78K QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$4.8M· 8.8% of total· 0.0% port· 48K sh· +$4.3M QoQ· Q2 2026
Verition Fund Management LLCAdded
Hedge Fund
$2.5M· 4.5% of total· 0.0% port· 25K sh· — QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$1.4M· 2.6% of total· 0.0% port· 14K sh· — QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$1.2M· 2.2% of total· 0.0% port· 12K sh· — QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$937K· 1.7% of total· 0.0% port· 9K sh· — QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$912K· 1.7% of total· 0.0% port· 9K sh· $-292K QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$369K· 0.7% of total· 0.0% port· 4K sh· $-854K QoQ· Q2 2026
Loading recent insider activity…
← Stock ownership