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Disclosery

MPTI M-TRON INDS INC

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COMMON STOCK (common), issuer CIK 1902314

57 managers (57 13F filers) reported a position in MPTI shares at 2025-03-31, 1,014,800 shares in all. 9 filers opened a position and 12 filers sold out during the quarter.

Managers
57
13F filers
57
New
9
Added
17
Reduced
22
Sold out
12
Shares held by filers
1,014,800

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2025

Filers in the available 13F reports with a share position at 2025-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
GAMCO INVESTORS, INC. ET ALin group GAMCO Investors (Gabelli)148,300$6.61M0.07%-6,40013F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC106,131$4.73M<0.01%+8,52913F-HRTimelineGroup
BARD ASSOCIATES INC88,587$3.95M1.47%-35013F-HRTimeline
NEXT CENTURY GROWTH INVESTORS LLC70,606$3.14M0.28%-23,54913F-HRTimeline
Palisades Investment Partners, LLC62,980$2.81M1.41%+2013F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP38,320$1.71M<0.01%+24,98313F-HRTimelineGroup
HERALD INVESTMENT MANAGEMENT Ltd35,000$1.53M0.29%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.33,611$1.5M<0.01%+4,39913F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC32,605$1.45M<0.01%-7,20013F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP32,436$1.44M<0.01%-6,15413F-HRTimelineGroup
G2 Investment Partners Management LLC29,454$1.31M0.43%-16,68613F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC25,126$1.12M<0.01%+1,29513F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND24,800$1.1M<0.01%013F-HR/ATimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…24,498$1.09M<0.01%-77913F-HRTimelineGroup
Illumine Investment Management, LLC23,994$1.07M0.88%+58413F-HRTimeline
MCINTYRE FREEDMAN & FLYNN INVESTMENT AD…22,000$980K0.72%013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC18,923$843K<0.01%+11,96213F-HRTimelineGroup
Concorde Asset Management, LLC18,527$836K0.45%-41413F-HRTimeline
SIERRA SUMMIT ADVISORS LLC15,015$669K0.14%new13F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY14,929$665K<0.01%-1,88913F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.14,201$633K<0.01%-5,05713F-HRTimelineGroup
OMERS ADMINISTRATION Corp12,300$548K<0.01%+4,10013F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC11,418$509K<0.01%+1,62113F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC10,953$488K<0.01%new13F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP10,623$473K<0.01%+2,00013F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC10,367$459K<0.01%+6,00813F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC9,761$435K<0.01%+68913F-HR/ATimelineGroup
GSA CAPITAL PARTNERS LLP7,212$321K0.03%-7,03613F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA6,793$303K<0.01%+17513F-HR/ATimelineGroup
Janney Montgomery Scott LLC6,619$295K<0.01%+1,67413F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC6,334$282K0.01%-8,26613F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC5,517$246K0.01%-2,82513F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC5,497$245K<0.01%-3,04613F-HR/ATimelineGroup
Walleye Capital LLCin group Walleye Capital LLC5,288$236K<0.01%-32,78713F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP5,162$230K<0.01%+51013F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd5,001$223K0.01%new13F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/4,260$190K<0.01%-33613F-HRTimelineGroup
UMB Bank, n.a.2,133$95K<0.01%013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Truvestments Capital LLC2,096$93.4K0.02%-6,29113F-HRTimeline
AlphaQuest LLC1,641$73.1K0.01%new13F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC1,551$69K<0.01%-12313F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN803$35.8K<0.01%+25313F-HRTimelineGroup
CALDWELL SUTTER CAPITAL, INC.724$32.2K0.02%-40013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS669$29.8K<0.01%new13F-HRTimelineGroup
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.500$20.6K<0.01%new13F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC445$19.8K<0.01%-1,61213F-HR/ATimelineGroup
BFSG, LLC300$13.4K<0.01%new13F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.207$9.22K<0.01%+6313F-HRTimelineGroup
OPTIMUM INVESTMENT ADVISORS200$8.91K<0.01%013F-HRTimeline
UBS Group AGin group UBS Group AG100$4.45K<0.01%-7,19113F-HRTimelineGroup
MCF Advisors LLC88$3.92K<0.01%-2713F-HRTimeline
WealthCollab, LLC81$3.61K<0.01%013F-HRTimeline
IFP Advisors, Inc50$2.23K<0.01%new13F-HRTimeline
CoreCap Advisors, LLC39$1.74K<0.01%013F-HRTimeline
SBI Securities Co., Ltd.20$891<0.01%013F-HRTimeline
Founders Capital Management5$223<0.01%013F-HRTimeline
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$0013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.