Nierenberg Investment Management Company, Inc. Top Holdings and 13F Report (2026) About Nierenberg Investment Management Company, Inc.Investment ActivityNierenberg Investment Management Company, Inc. has $201.45 million in total holdings as of June 30, 2026.Nierenberg Investment Management Company, Inc. owns shares of 35 different stocks, but just 8 companies or ETFs make up 80% of its holdings.Approximately 7.08% of the portfolio was purchased this quarter.About 7.52% of the portfolio was sold this quarter.This quarter, Nierenberg Investment Management Company, Inc. has purchased 44 new stocks and bought additional shares in 2 stocks.Nierenberg Investment Management Company, Inc. sold shares of 3 stocks and completely divested from 12 stocks this quarter.Largest Holdings iShares 0-3 Month Treasury Bond ETF $46,413,601EQT $28,358,911Criteo $19,244,946Lyft $18,929,052MAPLEBEAR INC $13,820,897 Largest New Holdings this Quarter 405024100 - Haemonetics $1,971,000 Holding76680V108 - Ring Energy $1,511,519 Holding206787103 - Conduent $25,630 Holding Largest Purchases this Quarter FTI Consulting 64,107 shares (about $9.55M)Haemonetics 26,280 shares (about $1.97M)Ring Energy 1,399,555 shares (about $1.51M)Tandem Diabetes Care 79,400 shares (about $1.20M)Conduent 17,555 shares (about $25.63K) Largest Sales this Quarter iShares 0-3 Month Treasury Bond ETF 89,550 shares (about $9.01M)Concentrix 20,000 shares (about $448.10K)TECHTARGET INC 66,000 shares (about $237.60K) Sector Allocation Over TimeMap of 500 Largest Holdings ofNierenberg Investment Management Company, Inc. Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorSGOViShares 0-3 Month Treasury Bond ETF$46,413,601$9,014,998 â–¼-16.3%461,04723.0%ETFEQTEQT$28,358,9110.0%533,36314.1%EnergyCRTOCriteo$19,244,9460.0%1,052,7879.6%Communication ServicesLYFTLyft$18,929,0520.0%1,295,6239.4%IndustrialsMAPLEBEAR INC$13,820,8970.0%291,8886.9%COMKBRKBR$13,343,8770.0%386,4436.6%IndustrialsRVSBRiverview Bancorp$11,037,9680.0%2,032,7755.5%FinanceFCNFTI Consulting$11,009,902$9,552,584 â–²655.5%73,8875.5%IndustrialsRKTRocket Companies$6,766,6880.0%429,6313.4%FinanceGDOTGreen Dot$4,581,3760.0%339,1102.3%FinanceDHCDiversified Healthcare Trust$4,241,8230.0%456,1102.1%Real EstateBKDBrookdale Senior Living$4,104,7200.0%255,1102.0%HealthcareFIVNFive9$2,895,4690.0%135,8101.4%TechnologyTNDMTandem Diabetes Care$2,397,952$1,198,146 â–²99.9%158,9101.2%HealthcareHAEHaemonetics$1,971,000$1,971,000 â–²New Holding26,2801.0%HealthcareGLREGreenlight Capital Re$1,658,6120.0%102,5100.8%FinanceREIRing Energy$1,511,519$1,511,519 â–²New Holding1,399,5550.8%EnergyCNXCConcentrix$1,444,674$448,100 â–¼-23.7%64,4800.7%IndustrialsEXPAND ENERGY CORPORATION$1,418,4600.0%15,5550.7%COMFORRForrester Research$1,102,6350.0%131,1100.5%IndustrialsHLXHelix Energy Solutions Group$1,087,6930.0%124,4500.5%EnergyDXCDXC Technology$907,2140.0%102,5100.5%TechnologyOSKOshkosh$882,5100.0%5,7500.4%IndustrialsTTECTeleTech$495,7770.0%255,5550.2%IndustrialsTECHTARGET INC$492,876$237,600 â–¼-32.5%136,9100.2%COM NEWFLRFluor$343,4160.0%6,5550.2%IndustrialsDHXDHI Group$313,6990.0%84,5550.2%IndustrialsOSUROraSure Technologies$247,7750.0%55,5550.1%HealthcareARHSArhaus$103,6500.0%12,3100.1%Consumer DiscretionaryOISOil States International$92,5560.0%11,5550.0%EnergyTALKTalkspace$60,0860.0%11,5550.0%HealthcareNNBRNN$48,6620.0%13,5550.0%IndustrialsCTMXCytomX Therapeutics$47,0810.0%12,5550.0%HealthcareWTIW&T Offshore$42,6980.0%13,5550.0%EnergyCNDTConduent$25,630$25,630 â–²New Holding17,5550.0%IndustrialsCCRNCross Country Healthcare$0$1,358,817 â–¼-100.0%00.0%HealthcareADTNADTRAN$0$1,171,324 â–¼-100.0%00.0%TechnologyOCFCOceanFirst Financial$0$713,572 â–¼-100.0%00.0%FinanceHOPEHope Bancorp$0$709,909 â–¼-100.0%00.0%FinanceCLFDClearfield$0$437,020 â–¼-100.0%00.0%TechnologyPLABPhotronics$0$255,795 â–¼-100.0%00.0%TechnologyBFHBread Financial$0$253,128 â–¼-100.0%00.0%FinancePTLOPortillo's$0$177,506 â–¼-100.0%00.0%Consumer DiscretionaryOMIOwens & Minor$0$176,825 â–¼-100.0%00.0%HealthcareWNCWabash National$0$108,224 â–¼-100.0%00.0%IndustrialsSCYXSCYNEXIS$0$69,276 â–¼-100.0%00.0%HealthcareOLPXOlaplex$0$25,487 â–¼-100.0%00.0%Consumer StaplesShowing largest 100 holdings. 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