Q4 2025 · 13F-HR
Nierenberg Investment Management Company, LLCholdings as filed
Filed 2026-02-13 · accession 0001941040-26-000138
$206.0M
Reported value
47
Positions
2025-12-31
Period end
The Brief · Nierenberg Investment Management Company, LLC · Q4 2025
AI · grounded in 13F
Nierenberg Investment Management Company, LLC closed its position in PTB, reducing exposure by $50.8M. The fund established a new position in SGOV worth $64.3M and added RKT with a $25.9M investment. Other notable activity includes closing positions in 07WA and SPY, while increasing share counts in CRTO by 109.2% and CNXC by 67.4%.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 46436E718 | SGOV | ISHARES TR | $64.3M | 31.2% | 640,597 | Common | SHARED |
| 26884L109 | EQT | EQT CORP | $28.6M | 13.9% | 533,363 | Common | SHARED |
| 77311W101 | RKT | ROCKET COS INC | $25.9M | 12.6% | 1,336,631 | Common | SHARED |
| 226718104 | CRTO | CRITEO S A | $18.3M | 8.89% | 888,888 | Common | SHARED |
| 55087P104 | LYFT | LYFT INC | $15.8M | 7.65% | 813,555 | Common | SOLE |
| 769397100 | RVSB | RIVERVIEW BANCORP INC | $10.2M | 4.95% | 2,032,775 | Common | SHARED |
| 36828A101 | GEV | GE VERNOVA INC | $5.0M | 2.41% | 7,600 | PUT | SOLE |
| 112463104 | BKD | BROOKDALE SR LIVING INC | $4.4M | 2.15% | 410,110 | Common | SHARED |
| 39304D102 | GDOT | GREEN DOT CORP | $4.3M | 2.11% | 339,110 | Common | SHARED |
| 48242W106 | KBR | KBR INC | $3.0M | 1.44% | 73,710 | Common | SHARED |
| 20602D101 | CNXC | CONCENTRIX CORP | $2.7M | 1.30% | 64,480 | Common | SHARED |
| 27923Q109 | ECVT | ECOVYST INC | $2.2M | 1.08% | 228,810 | Common | SHARED |
| 25525P107 | DHC | DIVERSIFIED HEALTHCARE TR | $2.2M | 1.07% | 456,110 | Common | SHARED |
| 165167735 | EXE | EXPAND ENERGY CORPORATION | $1.7M | 0.83% | 15,555 | Common | SOLE |
| 302941109 | FCN | FTI CONSULTING INC | $1.6M | 0.79% | 9,555 | Common | SOLE |
| 165167735 | EXE | EXPAND ENERGY CORPORATION | $1.5M | 0.75% | 14,000 | CALL | SOLE |
| 23355L106 | DXC | DXC TECHNOLOGY CO | $1.5M | 0.73% | 102,510 | Common | SHARED |
| 811543107 | SEB | SEABOARD CORP DEL | $1.3M | 0.62% | 286 | Common | SHARED |
| 018581108 | BFH | BREAD FINANCIAL HOLDINGS INC | $1.1M | 0.55% | 15,380 | Common | SHARED |
| 92537N108 | VRT | VERTIV HOLDINGS CO | $1.1M | 0.55% | 7,000 | Common | SOLE |
| 875372203 | TNDM | TANDEM DIABETES CARE INC | $979,319 | 0.48% | 44,555 | Common | SOLE |
| 20602D101 | CNXC | CONCENTRIX CORP | $831,600 | 0.40% | 20,000 | CALL | SOLE |
| G4095J109 | GLRE | GREENLIGHT CAPITAL RE LTD | $809,992 | 0.39% | 55,555 | Common | SOLE |
| 00486H105 | ADTN | ADTRAN HOLDINGS INC | $809,126 | 0.39% | 93,110 | Common | SHARED |
| 42330P107 | HLX | HELIX ENERGY SOLUTIONS GRP I | $780,302 | 0.38% | 124,450 | Common | SHARED |
| 678026105 | OIS | OIL STS INTL INC | $755,227 | 0.37% | 111,555 | Common | SOLE |
| 87874R308 | TTGT | TECHTARGET INC | $739,314 | 0.36% | 136,910 | Common | SHARED |
| 688239201 | OSK | OSHKOSH CORP | $722,373 | 0.35% | 5,750 | Common | SHARED |
| 18482P103 | CLFD | CLEARFIELD INC | $481,267 | 0.23% | 16,510 | Common | SHARED |
| 690732102 | ACH | OWENS & MINOR INC NEW | $420,000 | 0.20% | 150,000 | PUT | SOLE |
| 343412102 | FLR | FLUOR CORP NEW | $259,775 | 0.13% | 6,555 | Common | SOLE |
| 402307102 | GIFI | GULF IS FABRICATION INC | $210,133 | 0.10% | 17,555 | Common | SOLE |
| 719405102 | PLAB | PHOTRONICS INC | $202,560 | 0.10% | 6,330 | Common | SHARED |
| 89854H102 | TTEC | TTEC HLDGS INC | $199,998 | 0.10% | 55,555 | Common | SOLE |
| 04035M102 | ARHS | ARHAUS INC | $171,625 | 0.08% | 15,310 | Common | SHARED |
| 43940T109 | HOPE | HOPE BANCORP INC | $137,603 | 0.07% | 12,555 | Common | SOLE |
| 929566107 | WNC | WABASH NATL CORP | $108,601 | 0.05% | 12,555 | Common | SOLE |
| 68554V108 | OSUR | ORASURE TECHNOLOGIES INC | $107,823 | 0.05% | 44,555 | Common | SOLE |
| 346563109 | FORR | FORRESTER RESH INC | $93,827 | 0.05% | 11,555 | Common | SOLE |
| 690732102 | ACH | OWENS & MINOR INC NEW | $77,154 | 0.04% | 27,555 | Common | SOLE |
| 23284F105 | CTMX | CYTOMX THERAPEUTICS INC | $53,484 | 0.03% | 12,555 | Common | SOLE |
| 29975E109 | EB4 | EVENTBRITE INC | $51,420 | 0.02% | 11,555 | Common | SOLE |
| 811292200 | SCYX | SCYNEXIS INC | $47,781 | 0.02% | 75,555 | Common | SOLE |
| 87427V103 | TALK | TALKSPACE INC | $41,945 | 0.02% | 11,555 | Common | SOLE |
| 92922P106 | WTI | W & T OFFSHORE INC | $22,095 | 0.01% | 13,555 | Common | SOLE |
| 629337106 | NNBR | NN INC | $17,350 | 0.01% | 13,555 | Common | SOLE |
| 679369108 | OLPX | OLAPLEX HLDGS INC | $16,824 | 0.01% | 12,555 | Common | SOLE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.