Nierenberg Investment Management Company, LLC Q2 2025 Filing
Filed August 11, 2025
Portfolio Value
$188.2B
Holdings
47
Report Date
Q2 2025
Filing Type
13F-HR
All Holdings (47 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | 07WAMR COOPER GROUP INC | 296,054 | $44.2B | 23.47% | |
| 2 | PTBPOTBELLY CORP | 2,980,564 | $36.5B | 19.40% | |
| 3 | EQTEQT CORP | 536,693 | $31.3B | 16.63% | |
| 4 | CRTOCRITEO S A | 535,702 | $12.8B | 6.82% | |
| 5 | RVSBRIVERVIEW BANCORP INC | 1,937,775 | $10.7B | 5.66% | |
| 6 | GEVGE VERNOVA INC | 9,200 | $4.9B | 2.59% | Put |
| 7 | GDOTGREEN DOT CORP | 339,110 | $3.7B | 1.94% | |
| 8 | EXEEXPAND ENERGY CORPORATION | 29,555 | $3.5B | 1.84% | Call |
| 9 | NDQINVESCO QQQ TR | 6,100 | $3.4B | 1.79% | Put |
| 10 | ADTNADTRAN HOLDINGS INC | 343,110 | $3.1B | 1.64% | |
| 11 | B7SBROOKDALE SR LIVING INC | 410,110 | $2.9B | 1.52% | |
| 12 | CNXCCONCENTRIX CORP | 50,480 | $2.7B | 1.42% | |
| 13 | K6BKBR INC | 53,710 | $2.6B | 1.37% | |
| 14 | TPCTUTOR PERINI CORP | 44,680 | $2.1B | 1.11% | |
| 15 | ECVTECOVYST INC | 228,810 | $1.9B | 1.00% | |
| 16 | MTCHMATCH GROUP INC NEW | 56,680 | $1.8B | 0.93% | |
| 17 | NVDANVIDIA CORPORATION | 10,800 | $1.7B | 0.91% | Put |
| 18 | CEGCONSTELLATION ENERGY CORP | 5,100 | $1.6B | 0.87% | Put |
| 19 | DHCDIVERSIFIED HEALTHCARE TR | 456,110 | $1.6B | 0.87% | |
| 20 | CLFDCLEARFIELD INC | 34,510 | $1.5B | 0.80% | |
| 21 | RRCRANGE RES CORP | 29,555 | $1.2B | 0.64% | |
| 22 | VRTVERTIV HOLDINGS CO | 9,200 | $1.2B | 0.63% | Put |
| 23 | HOPEHOPE BANCORP INC | 99,555 | $1.1B | 0.57% | |
| 24 | AVGOBROADCOM INC | 3,200 | $882.1M | 0.47% | Put |
| 25 | BFHBREAD FINANCIAL HOLDINGS INC | 15,380 | $878.5M | 0.47% | |
| 26 | WNCWABASH NATL CORP | 77,555 | $824.4M | 0.44% | |
| 27 | SEBSEABOARD CORP DEL | 286 | $818.3M | 0.43% | |
| 28 | CTVHELIX ENERGY SOLUTIONS GRP I | 124,450 | $776.6M | 0.41% | |
| 29 | PLPCPREFORMED LINE PRODS CO | 4,555 | $727.9M | 0.39% | |
| 30 | LYFTLYFT INC | 42,555 | $670.7M | 0.36% | |
| 31 | OSKOSHKOSH CORP | 5,750 | $652.9M | 0.35% | |
| 32 | PLABPHOTRONICS INC | 34,330 | $646.4M | 0.34% | |
| 33 | OISOIL STS INTL INC | 111,555 | $597.9M | 0.32% | |
| 34 | ANETARISTA NETWORKS INC | 5,600 | $572.9M | 0.30% | Put |
| 35 | ETNEATON CORP PLC | 1,600 | $571.2M | 0.30% | Put |
| 36 | ARHSARHAUS INC | 59,310 | $514.2M | 0.27% | |
| 37 | BRYBERRY CORP | 165,555 | $458.6M | 0.24% | Call |
| 38 | FLRFLUOR CORP NEW | 6,555 | $336.1M | 0.18% | |
| 39 | DXCDXC TECHNOLOGY CO | 13,555 | $207.3M | 0.11% | |
| 40 | DHXDHI GROUP INC | 44,555 | $132.3M | 0.07% | |
| 41 | GIFIGULF IS FABRICATION INC | 17,555 | $116.7M | 0.06% | |
| 42 | SCYXSCYNEXIS INC | 75,555 | $51.0M | 0.03% | |
| 43 | EP3ORASURE TECHNOLOGIES INC | 11,555 | $34.7M | 0.02% | |
| 44 | CTMXCYTOMX THERAPEUTICS INC | 12,555 | $28.5M | 0.02% | |
| 45 | NNBRNN INC | 13,555 | $28.5M | 0.02% | |
| 46 | WTIW & T OFFSHORE INC | 13,555 | $22.4M | 0.01% | |
| 47 | OLPXOLAPLEX HLDGS INC | 12,555 | $17.6M | 0.01% |