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Nierenberg Investment Management Company, LLC

Q3 2025 Holdings

Filed 2025-11-12 | 52 holdings | $234.0M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Potbelly Corp(PTB)COM73754Y100$50.8M2,980,56421.7%
EQT Corp(EQT)COM26884L109$29.2M536,69312.5%
MR Cooper Group Inc(07WA)COM62482R107$26.6M126,12111.4%
Lyft Inc(LYFT)CL A COM55087P104$17.9M813,5557.7%
Spdr S&P 500 ETF TR(SPY)PutTR UNIT78462F103$16.7M25,0007.1%
Riverview Bancorp Inc(RVSB)COM769397100$10.9M2,032,7754.7%
Invesco QQQ TR(QQQ)PutUNIT SER 146090E103$10.3M17,1004.4%
Criteo S A(CRTO)SPONS ADS226718104$9.6M424,9594.1%
GE Vernova Inc(GEV)PutCOM36828A101$6.9M11,2002.9%
Green DOT Corp(GDOT)CL A39304D102$4.6M339,1101.9%
Nvidia Corporation(NVDA)PutCOM67066G104$4.3M22,8001.8%
Brookdale SR Living Inc(BKD)COM112463104$3.5M410,1101.5%
Broadcom Inc(AVGO)PutCOM11135F101$3.4M10,2001.4%
Adtran Holdings Inc(ADTN)COM00486H105$3.2M343,1101.4%
Vertiv Holdings Co(VRT)PutCOM CL A92537N108$3.2M21,2001.4%
Arista Networks Inc(ANET)PutCOM SHS040413205$2.7M18,6001.2%
KBR Inc(KBR)COM48242W106$2.5M53,7101.1%
Constellation Energy Corp(CEG)PutCOM21037T109$2.3M7,1001.0%
Concentrix Corp(CNXC)COM20602D101$2.3M50,4801.0%
Diversified Healthcare TR(DHC)COM SH BEN INT25525P107$2.0M456,1100.9%
Ecovyst Inc(ECVT)COM27923Q109$2.0M228,8100.9%
Match Group Inc New(MTCH)COM57667L107$2.0M56,6800.9%
Expand Energy Corporation(EXE)COM165167735$1.7M15,5550.7%
Tutor Perini Corp(TPC)COM901109108$1.6M24,6800.7%
Expand Energy Corporation(EXE)CallCOM165167735$1.5M14,0000.6%
DXC Technology Co(DXC)COM23355L106$1.4M99,5550.6%
Range RES Corp(RRC)COM75281A109$1.1M29,5550.5%
Seaboard Corp del(SEB)COM811543107$1.0M2860.4%
Preformed Line Prods Co(PLPC)COM740444104$893.5K4,5550.4%
Bread Financial Holdings Inc(BFH)COM018581108$857.7K15,3800.4%
Helix Energy Solutions GRP I(HLX)COM42330P107$816.4K124,4500.3%
Oshkosh Corp(OSK)COM688239201$745.8K5,7500.3%
Owens & Minor Inc New(ACH)PutCOM690732102$720.0K150,0000.3%
Oil STS Intl Inc(OIS)COM678026105$676.0K111,5550.3%
Techtarget Inc(TTGT)COM NEW87874R308$648.1K111,5550.3%
Arhaus Inc(ARHS)COM CL A04035M102$630.5K59,3100.3%
Berry Corp(BRY)CallCOM08579X101$604.8K160,0000.3%
Eaton Corp PLC(ETN)PutSHSG29183103$598.8K1,6000.3%
Clearfield Inc(CLFD)COM18482P103$567.6K16,5100.2%
Fluor Corp New(FLR)COM343412102$275.8K6,5550.1%
Orasure Technologies Inc(OSUR)COM68554V108$143.0K44,5550.1%
Owens & Minor Inc New(ACH)COM690732102$132.3K27,5550.1%
Wabash Natl Corp(WNC)COM929566107$123.9K12,5550.1%
Gulf IS Fabrication Inc(GIFI)COM402307102$123.2K17,5550.1%
Forrester Resh Inc(FORR)COM346563109$122.5K11,5550.1%
Scynexis Inc(SCYX)COM NEW811292200$58.2K75,5550.0%
Cytomx Therapeutics Inc(CTMX)COM23284F105$40.1K12,5550.0%
Talkspace Inc(TALK)COM87427V103$31.9K11,5550.0%
Eventbrite Inc(EB)COM CL A29975E109$29.1K11,5550.0%
NN Inc(NNBR)COM629337106$27.9K13,5550.0%
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