Nierenberg Investment Management Company as of Sept. 30, 2025
Portfolio Holdings for Nierenberg Investment Management Company
Nierenberg Investment Management Company holds 50 positions in its portfolio as reported in the September 2025 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price |
|---|---|---|---|---|---|
| Potbelly (PBPB) | 21.7 | $51M | 3.0M | 17.04 | |
| EQT Corporation (EQT) | 12.5 | $29M | 537k | 54.43 | |
| Mr Cooper Group | 11.4 | $27M | 126k | 210.79 | |
| Lyft Cl A Com (LYFT) | 7.7 | $18M | 814k | 22.01 | |
| Spdr S&p 500 Etf Tr Tr Unit Put Option (SPY) | 7.1 | $17M | 25k | 666.18 | |
| Riverview Ban (RVSB) | 4.7 | $11M | 2.0M | 5.37 | |
| Invesco Qqq Tr Unit Ser 1 Put Option (QQQ) | 4.4 | $10M | 17k | 600.37 | |
| Criteo S A Spons Ads (CRTO) | 4.1 | $9.6M | 425k | 22.60 | |
| Ge Vernova Put Option (GEV) | 2.9 | $6.9M | 11k | 614.90 | |
| Green Dot Corp Cl A (GDOT) | 1.9 | $4.6M | 339k | 13.43 | |
| NVIDIA Corporation Put Option (NVDA) | 1.8 | $4.3M | 23k | 186.58 | |
| Brookdale Senior Living (BKD) | 1.5 | $3.5M | 410k | 8.47 | |
| Broadcom Put Option (AVGO) | 1.4 | $3.4M | 10k | 329.91 | |
| Adtran Holdings (ADTN) | 1.4 | $3.2M | 343k | 9.38 | |
| Vertiv Holdings Com Cl A Put Option (VRT) | 1.4 | $3.2M | 21k | 150.86 | |
| Chesapeake Energy Corp (EXE) | 1.3 | $3.1M | 30k | 106.24 | |
| Arista Networks Com Shs Put Option (ANET) | 1.2 | $2.7M | 19k | 145.71 | |
| KBR (KBR) | 1.1 | $2.5M | 54k | 47.29 | |
| Constellation Energy Put Option (CEG) | 1.0 | $2.3M | 7.1k | 329.07 | |
| Concentrix Corp (CNXC) | 1.0 | $2.3M | 51k | 46.15 | |
| Diversified Healthcare Tr Com Sh Ben Int (DHC) | 0.9 | $2.0M | 456k | 4.41 | |
| Ecovyst (ECVT) | 0.9 | $2.0M | 229k | 8.76 | |
| Match Group (MTCH) | 0.9 | $2.0M | 57k | 35.32 | |
| Tutor Perini Corporation (TPC) | 0.7 | $1.6M | 25k | 65.59 | |
| Dxc Technology (DXC) | 0.6 | $1.4M | 100k | 13.63 | |
| Range Resources (RRC) | 0.5 | $1.1M | 30k | 37.64 | |
| Seaboard Corporation (SEB) | 0.4 | $1.0M | 286.00 | 3647.00 | |
| Preformed Line Products Company (PLPC) | 0.4 | $894k | 4.6k | 196.15 | |
| Alliance Data Systems Corporation (BFH) | 0.4 | $858k | 15k | 55.77 | |
| Owens & Minor (OMI) | 0.4 | $852k | 178k | 4.80 | |
| Helix Energy Solutions (HLX) | 0.3 | $816k | 125k | 6.56 | |
| Oshkosh Corporation (OSK) | 0.3 | $746k | 5.8k | 129.70 | |
| Oil States International (OIS) | 0.3 | $676k | 112k | 6.06 | |
| Techtarget Com New (TTGT) | 0.3 | $648k | 112k | 5.81 | |
| Arhaus Com Cl A (ARHS) | 0.3 | $631k | 59k | 10.63 | |
| Berry Pete Corp Call Option (BRY) | 0.3 | $605k | 160k | 3.78 | |
| Eaton Corp SHS Put Option (ETN) | 0.3 | $599k | 1.6k | 374.25 | |
| Clearfield (CLFD) | 0.2 | $568k | 17k | 34.38 | |
| Fluor Corporation (FLR) | 0.1 | $276k | 6.6k | 42.07 | |
| OraSure Technologies (OSUR) | 0.1 | $143k | 45k | 3.21 | |
| Wabash National Corporation (WNC) | 0.1 | $124k | 13k | 9.87 | |
| Gulf Island Fabrication (GIFI) | 0.1 | $123k | 18k | 7.02 | |
| Forrester Research (FORR) | 0.1 | $123k | 12k | 10.60 | |
| Scynexis Com New (SCYX) | 0.0 | $58k | 76k | 0.77 | |
| Cytomx Therapeutics (CTMX) | 0.0 | $40k | 13k | 3.19 | |
| Talkspace (TALK) | 0.0 | $32k | 12k | 2.76 | |
| Eventbrite Com Cl A (EB) | 0.0 | $29k | 12k | 2.52 | |
| NN (NNBR) | 0.0 | $28k | 14k | 2.06 | |
| W&T Offshore (WTI) | 0.0 | $25k | 14k | 1.82 | |
| Olaplex Hldgs (OLPX) | 0.0 | $16k | 13k | 1.31 |
