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Disclosery

MPX MARINE PRODS CORP

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cs (common)

69 managers (70 13F filers) reported a position in MPX shares at 2025-09-30, 5,322,164 shares in all. 4 filers opened a position and 5 filers sold out during the quarter.

Managers
69
13F filers
70
New
4
Added
22
Reduced
22
Sold out
5
Shares held by filers
5,322,164

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, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, 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 (Gabelli)group of 2 filers holding739,073$6.56M-4,609Timeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP738,673$6.55M<0.01%+2,32313F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.630,091$5.59M<0.01%-5,88513F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC576,299$5.11M<0.01%+9,21913F-HRTimelineGroup
De Lisle Partners LLP363,696$3.24M0.4%+8,67713F-HRTimeline
DEPRINCE RACE & ZOLLO INC313,473$2.78M0.06%+27,76613F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…261,397$2.32M<0.01%+43,30413F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC247,713$2.2M<0.01%-37413F-HRTimelineGroup
Teton Advisors, LLC243,500$2.16M1.33%13F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp242,941$2.15M<0.01%-2,96013F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP180,400$1.6M<0.01%-5,51413F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP92,654$822K<0.01%-1,40013F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC80,392$713K<0.01%-4,11313F-HRTimelineGroup
HANOVER ADVISORS INC78,135$693K0.27%013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY76,545$679K<0.01%+2,30513F-HR/ATimelineGroup
RENAISSANCE TECHNOLOGIES LLC71,102$631K<0.01%+60013F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP54,000$479K<0.01%013F-HRTimelineGroup
SYNOVUS FINANCIAL CORP30,565$271K<0.01%013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC30,173$268K<0.01%new13F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC26,677$237K<0.01%+1,26113F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co25,735$228K<0.01%013F-HRTimelineGroup
Nuveen, LLCin group TIAA19,406$172K<0.01%013F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA18,926$167K<0.01%+3,31413F-HRTimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC18,428$163K<0.01%-3,09713F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/16,155$144K<0.01%013F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…14,133$121K<0.01%-413F-HRTimeline
RHUMBLINE ADVISERS12,648$112K<0.01%-74213F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC12,503$111K<0.01%-3,07013F-HR/ATimelineGroup
BURNEY CO/12,196$108K<0.01%-68013F-HRTimeline
Summit Financial Strategies, Inc.11,256$99.8K0.01%+613F-HRTimeline
ALLIANCEBERNSTEIN L.P.10,440$92.6K<0.01%013F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP10,006$88.8K<0.01%013F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/9,678$85.8K<0.01%-60513F-HR/ATimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.8,619$75.2K<0.01%-35113F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN6,061$53.8K<0.01%+96713F-HRTimelineGroup
FMR LLCin group FMR LLC4,804$42.6K<0.01%-5,42713F-HRTimelineGroup
UBS Group AGin group UBS Group AG4,661$41.3K<0.01%+1,63913F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…4,268$37.9K<0.01%-75913F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND4,171$37K<0.01%013F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO4,105$36.4K<0.01%-76413F-HR/ATimelineGroup
Police & Firemen's Retirement System of…3,065$27.2K<0.01%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co2,387$21K<0.01%-913F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC1,704$15.1K<0.01%+74413F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS1,610$14.3K<0.01%+54713F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,204$10.7K<0.01%-2,33113F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…813$7.21K<0.01%013F-HRTimelineGroup
CWM, LLCin group CWM, LLC840$7K<0.01%+17713F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc739$6.55K<0.01%013F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…636$5.64K<0.01%013F-HRTimeline
Princeton Global Asset Management LLC500$4.43K<0.01%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…488$4.33K<0.01%013F-HRTimelineGroup
HARBOR CAPITAL ADVISORS, INC.452$4K<0.01%+1313F-HRTimeline
CITIGROUP INCin group CITIGROUP INC362$3.21K<0.01%-2,71013F-HRTimelineGroup
Sterling Capital Management LLC284$2.52K<0.01%+19313F-HRTimeline
AMALGAMATED BANK280$2K<0.01%013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\213$1.89K<0.01%013F-HRTimelineGroup
GAMMA Investing LLC184$1.63K<0.01%+8513F-HRTimeline
Arax Advisory Partners147$1.3K<0.01%new13F-HRTimeline
SBI Securities Co., Ltd.140$1.24K<0.01%+2213F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.126$1.12K<0.01%new13F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP86$795<0.01%013F-HRTimelineGroup
COUNTRY TRUST BANK60$532<0.01%013F-HRTimeline
Friedenthal Financial31$274<0.01%+113F-HRTimeline
IFP Advisors, Inc30$266<0.01%+313F-HR/ATimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…14$124<0.01%-313F-HRTimelineGroup
Essential Partners LLC13$115<0.01%+813F-HRTimeline
Sunbelt Securities, Inc.5$44<0.01%new13F-HRTimeline
True Wealth Design, LLC4$36<0.01%013F-HRTimeline
Covestor Ltd49$00%-313F-HRTimelineValue filed as zero, left out of ratios.