Q1 2026 · 13F-HR
Nierenberg Investment Management Company, LLCholdings as filed
Filed 2026-05-13 · accession 0001941040-26-000327
$201.5M
Reported value
46
Positions
2026-03-31
Period end
The Brief · Nierenberg Investment Management Company, LLC · Q1 2026
AI · grounded in 13F
Nierenberg Investment Management Company, LLC established a new position in CART valued at $10.9M. The fund also opened new stakes in FIVN for $2.1M and CCRN for $1.4M. On the sell side, the manager closed its position in GEV, resulting in a $5.0M reduction. Other notable exits included ECVT and SEB.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 46436E718 | SGOV | ISHARES TR | $55.4M | 27.5% | 550,597 | Common | SHARED |
| 26884L109 | EQT | EQT CORP | $33.9M | 16.8% | 533,363 | Common | SHARED |
| 226718104 | CRTO | CRITEO S A | $18.9M | 9.37% | 1,052,787 | Common | SHARED |
| 55087P104 | LYFT | LYFT INC | $17.2M | 8.55% | 1,295,623 | Common | SHARED |
| 48242W106 | KBR | KBR INC | $14.2M | 7.07% | 386,443 | Common | SHARED |
| 769397100 | RVSB | RIVERVIEW BANCORP INC | $11.2M | 5.55% | 2,032,775 | Common | SHARED |
| 565394103 | CART | MAPLEBEAR INC | $10.9M | 5.43% | 291,888 | Common | SHARED |
| 77311W101 | RKT | ROCKET COS INC | $6.1M | 3.04% | 429,631 | Common | SHARED |
| 39304D102 | GDOT | GREEN DOT CORP | $3.8M | 1.89% | 339,110 | Common | SHARED |
| 112463104 | BKD | BROOKDALE SR LIVING INC | $3.5M | 1.73% | 255,110 | Common | SHARED |
| 25525P107 | DHC | DIVERSIFIED HEALTHCARE TR | $3.0M | 1.50% | 456,110 | Common | SHARED |
| 338307101 | FIVN | FIVE9 INC | $2.1M | 1.02% | 135,810 | Common | SHARED |
| G4095J109 | GLRE | GREENLIGHT CAPITAL RE LTD | $1.8M | 0.88% | 102,510 | Common | SHARED |
| 20602D101 | CNXC | CONCENTRIX CORP | $1.8M | 0.88% | 64,480 | Common | SHARED |
| 302941109 | FCN | FTI CONSULTING INC | $1.7M | 0.86% | 9,780 | Common | SHARED |
| 165167735 | EXE | EXPAND ENERGY CORPORATION | $1.7M | 0.85% | 15,555 | Common | SOLE |
| 875372203 | TNDM | TANDEM DIABETES CARE INC | $1.5M | 0.76% | 79,510 | Common | SHARED |
| 227483104 | CCRN | CROSS CTRY HEALTHCARE INC | $1.4M | 0.67% | 144,555 | Common | SOLE |
| 23355L106 | DXC | DXC TECHNOLOGY CO | $1.3M | 0.64% | 102,510 | Common | SHARED |
| 42330P107 | HLX | HELIX ENERGY SOLUTIONS GRP I | $1.2M | 0.61% | 124,450 | Common | SHARED |
| 00486H105 | ADTN | ADTRAN HOLDINGS INC | $1.2M | 0.58% | 93,110 | Common | SHARED |
| 688239201 | OSK | OSHKOSH CORP | $846,458 | 0.42% | 5,750 | Common | SHARED |
| 87874R308 | TTGT | TECHTARGET INC | $787,291 | 0.39% | 202,910 | Common | SHARED |
| 346563109 | FORR | FORRESTER RESH INC | $742,083 | 0.37% | 131,110 | Common | SHARED |
| 675234108 | OCFC | OCEANFIRST FINL CORP | $713,572 | 0.35% | 39,555 | Common | SOLE |
| 43940T109 | HOPE | HOPE BANCORP INC | $709,909 | 0.35% | 63,555 | Common | SOLE |
| 89854H102 | TTEC | TTEC HLDGS INC | $638,888 | 0.32% | 255,555 | Common | SOLE |
| 20602D101 | CNXC | CONCENTRIX CORP | $547,200 | 0.27% | 20,000 | CALL | SOLE |
| 18482P103 | CLFD | CLEARFIELD INC | $437,020 | 0.22% | 16,510 | Common | SHARED |
| 343412102 | FLR | FLUOR CORP NEW | $305,791 | 0.15% | 6,555 | Common | SOLE |
| 719405102 | PLAB | PHOTRONICS INC | $255,795 | 0.13% | 6,330 | Common | SHARED |
| 018581108 | BFH | BREAD FINANCIAL HOLDINGS INC | $253,128 | 0.13% | 3,380 | Common | SHARED |
| 23331S100 | DHX | DHI GROUP INC | $237,600 | 0.12% | 84,555 | Common | SOLE |
| 73642K106 | PTLO | PORTILLOS INC | $177,506 | 0.09% | 33,555 | Common | SOLE |
| 68554V108 | OSUR | ORASURE TECHNOLOGIES INC | $166,665 | 0.08% | 55,555 | Common | SOLE |
| 678026105 | OIS | OIL STS INTL INC | $134,500 | 0.07% | 11,555 | Common | SOLE |
| 690732102 | ACH | ACCENDRA HEALTH INC | $114,000 | 0.06% | 50,000 | CALL | SOLE |
| 929566107 | WNC | WABASH NATL CORP | $108,224 | 0.05% | 12,555 | Common | SOLE |
| 04035M102 | ARHS | ARHAUS INC | $83,462 | 0.04% | 12,310 | Common | SHARED |
| 811292200 | SCYX | SCYNEXIS INC | $69,276 | 0.03% | 75,555 | Common | SOLE |
| 690732102 | ACH | ACCENDRA HEALTH INC | $62,825 | 0.03% | 27,555 | Common | SOLE |
| 87427V103 | TALK | TALKSPACE INC | $59,797 | 0.03% | 11,555 | Common | SOLE |
| 23284F105 | CTMX | CYTOMX THERAPEUTICS INC | $59,009 | 0.03% | 12,555 | Common | SOLE |
| 92922P106 | WTI | W & T OFFSHORE INC | $46,223 | 0.02% | 13,555 | Common | SOLE |
| 679369108 | OLPX | OLAPLEX HLDGS INC | $25,487 | 0.01% | 12,555 | Common | SOLE |
| 629337106 | NNBR | NN INC | $19,655 | 0.01% | 13,555 | 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.