Nierenberg Investment Management Company, Inc. 13F Holdings

CIK 0001282683 · CAMAS, WA

As of Sep 30, 2025, Nierenberg Investment Management Company, Inc. reported 50 positions worth $234.0M in its SEC Form 13F filing.

Top 25 holdings

SecurityTickerSectorSharesValue% of portfolio
POTBELLY CORPPBPBConsumer Cyclical2,980,564$50.8M21.70%
EQT CORPEQTEnergy536,693$29.2M12.48%
MR COOPER GROUP INCCOOPFinancial Services126,121$26.6M11.36%
LYFT INCLYFTTechnology813,555 7.9M7.65%
SPDR S&P 500 ETF TRUSTSPY—25,000 6.7M7.12%
RIVERVIEW BANCORP INCRVSBFinancial Services2,032,775 0.9M4.67%
INVESCO QQQ TRUST SERIES 1QQQ—17,100 0.3M4.39%
CRITEO SACRTOCommunication Services424,959$9.6M4.10%
GE VERNOVA INCGEVUtilities11,200$6.9M2.94%
GREEN DOT CORPGDOTFinancial Services339,110$4.6M1.95%
NVIDIA CORPNVDATechnology22,800$4.3M1.82%
BROOKDALE SENIOR LIVING INCBKDHealthcare410,110$3.5M1.48%
BROADCOM INCAVGOTechnology10,200$3.4M1.44%
ADTRAN HOLDINGS INCADTNTechnology343,110$3.2M1.38%
VERTIV HOLDINGS COVRTIndustrials21,200$3.2M1.37%
EXPAND ENERGY CORPEXEEnergy29,555$3.1M1.34%
ARISTA NETWORKS INCANETTechnology18,600$2.7M1.16%
KBR INCKBRIndustrials53,710$2.5M1.09%
CONSTELLATION ENERGY CORPCEGUtilities7,100$2.3M1.00%
CONCENTRIX CORPCNXCTechnology50,480$2.3M1.00%
DIVERSIFIED HEALTHCARE TRUSTDHCReal Estate456,110$2.0M0.86%
ECOVYST INCECVTBasic Materials228,810$2.0M0.86%
MATCH GROUP INCMTCHCommunication Services56,680$2.0M0.86%
TUTOR PERINI CORPTPCIndustrials24,680 .6M0.69%
DXC TECHNOLOGY CODXCTechnology99,555 .4M0.58%