13F HOLDINGS REPORT
Nierenberg Investment Management Company, Inc.
Quarter ended Q3 2025 · Filed November 12, 2025 · Accession 0001941040-25-000623
Total Value
$234.0M
Positions
52
Other Managers
0
Confidential Omitted
No
Holdings (52)
| # | Issuer | Ticker / CUSIP | Shares | Value | % of Filing |
|---|---|---|---|---|---|
| 1 | POTBELLY CORP | 73754Y100 | 2,980,564 | $50.8M | 21.70% |
| 2 | EQT CORP | EQT | 536,693 | $29.2M | 12.48% |
| 3 | MR COOPER GROUP INC | 62482R107 | 126,121 | $26.6M | 11.36% |
| 4 | LYFT INC | LYFT | 813,555 | $17.9M | 7.65% |
| 5 | SPDR S&P 500 ETF TR | SPY | 25,000 | $16.7M | 7.12% |
| 6 | RIVERVIEW BANCORP INC | RVSB | 2,032,775 | $10.9M | 4.67% |
| 7 | INVESCO QQQ TR | IVZ | 17,100 | $10.3M | 4.39% |
| 8 | CRITEO S A | CRTO | 424,959 | $9.6M | 4.10% |
| 9 | GE VERNOVA INC | GEV | 11,200 | $6.9M | 2.94% |
| 10 | GREEN DOT CORP | GDOT | 339,110 | $4.6M | 1.95% |
| 11 | NVIDIA CORPORATION | NVDA | 22,800 | $4.3M | 1.82% |
| 12 | BROOKDALE SR LIVING INC | 112463104 | 410,110 | $3.5M | 1.48% |
| 13 | BROADCOM INC | AVGO | 10,200 | $3.4M | 1.44% |
| 14 | ADTRAN HOLDINGS INC | ADTN | 343,110 | $3.2M | 1.38% |
| 15 | VERTIV HOLDINGS CO | VRT | 21,200 | $3.2M | 1.37% |
| 16 | ARISTA NETWORKS INC | ANET | 18,600 | $2.7M | 1.16% |
| 17 | KBR INC | KBR | 53,710 | $2.5M | 1.09% |
| 18 | CONSTELLATION ENERGY CORP | CEG | 7,100 | $2.3M | 1.00% |
| 19 | CONCENTRIX CORP | CNXC | 50,480 | $2.3M | 1.00% |
| 20 | DIVERSIFIED HEALTHCARE TR | DHCNL | 456,110 | $2.0M | 0.86% |
| 21 | ECOVYST INC | ECVT | 228,810 | $2.0M | 0.86% |
| 22 | MATCH GROUP INC NEW | MTCH | 56,680 | $2.0M | 0.86% |
| 23 | EXPAND ENERGY CORPORATION | EXE | 15,555 | $1.7M | 0.71% |
| 24 | TUTOR PERINI CORP | TPC | 24,680 | $1.6M | 0.69% |
| 25 | EXPAND ENERGY CORPORATION | EXE | 14,000 | $1.5M | 0.64% |
| 26 | DXC TECHNOLOGY CO | DXC | 99,555 | $1.4M | 0.58% |
| 27 | RANGE RES CORP | RRC | 29,555 | $1.1M | 0.48% |
| 28 | SEABOARD CORP DEL | SE | 286 | $1.0M | 0.45% |
| 29 | PREFORMED LINE PRODS CO | 740444104 | 4,555 | $893,463 | 0.38% |
| 30 | BREAD FINANCIAL HOLDINGS INC | BFH-PA | 15,380 | $857,743 | 0.37% |
| 31 | HELIX ENERGY SOLUTIONS GRP I | 42330P107 | 124,450 | $816,392 | 0.35% |
| 32 | OSHKOSH CORP | OSK | 5,750 | $745,775 | 0.32% |
| 33 | OWENS & MINOR INC NEW | 690732102 | 150,000 | $720,000 | 0.31% |
| 34 | OIL STS INTL INC | 678026105 | 111,555 | $676,023 | 0.29% |
| 35 | TECHTARGET INC | TTGT | 111,555 | $648,135 | 0.28% |
| 36 | ARHAUS INC | ARHS | 59,310 | $630,465 | 0.27% |
| 37 | BERRY CORP | 08579X101 | 160,000 | $604,800 | 0.26% |
| 38 | EATON CORP PLC | ETN | 1,600 | $598,800 | 0.26% |
| 39 | CLEARFIELD INC | CLFD | 16,510 | $567,614 | 0.24% |
| 40 | FLUOR CORP NEW | FLR | 6,555 | $275,769 | 0.12% |
| 41 | ORASURE TECHNOLOGIES INC | OSUR | 44,555 | $143,022 | 0.06% |
| 42 | OWENS & MINOR INC NEW | 690732102 | 27,555 | $132,264 | 0.06% |
| 43 | WABASH NATL CORP | 929566107 | 12,555 | $123,918 | 0.05% |
| 44 | GULF IS FABRICATION INC | 402307102 | 17,555 | $123,236 | 0.05% |
| 45 | FORRESTER RESH INC | 346563109 | 11,555 | $122,483 | 0.05% |
| 46 | SCYNEXIS INC | SCYX | 75,555 | $58,177 | 0.02% |
| 47 | CYTOMX THERAPEUTICS INC | CTMX | 12,555 | $40,050 | 0.02% |
| 48 | TALKSPACE INC | TALKW | 11,555 | $31,892 | 0.01% |
| 49 | EVENTBRITE INC | EVEX-WT | 11,555 | $29,119 | 0.01% |
| 50 | NN INC | NNBR | 13,555 | $27,923 | 0.01% |
| 51 | W & T OFFSHORE INC | WTI | 13,555 | $24,670 | 0.01% |
| 52 | OLAPLEX HLDGS INC | OLPX | 12,555 | $16,447 | 0.01% |