UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE
OMB APPROVAL
OMB Number:3235-0006
Expires:July 31, 2015
Estimated average burden
hours per response:23.8
Report for the Calendar Year or Quarter Ended:
03-31-2025
Check here if Amendment: ☐ Amendment Number:
This Amendment (Check only one.):☐ is a restatement.
☐ adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:
Nierenberg Investment Management Company, Inc.
Address:
19605 NE 8th St
Camas, WA 98607
Form 13F File Number:
028-10859

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.


Person Signing this Report on Behalf of Reporting Manager:
Name:
Hanna Kuehl
Title:
Chief Compliance Officer
Phone:
360-604-8600


Signature, Place, and Date of Signing:

Hanna Kuehl
                         [Signature]
Camas, WASHINGTON
                 [City, State]
05-13-2025
                           [Date]
                          

Report Type (Check only one.):

☒ 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) 

☐ 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) 

☐ 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)


Form 13F Summary Page

Report Summary:

Number of Other Included Managers:
0
Form 13F Information table Entry Total:
57
Form 13F Information table Value Total:
183236209
          (thousands)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state "NONE" and omit the column headings and list entries.]

  
NONE


UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number:3235-0006
Expires:July 31, 2015
Estimated average burden
hours per response:23.8
COLUMN 1COLUMN 2COLUMN 3COLUMN 4COLUMN 5COLUMN 6COLUMN 7COLUMN 8
VALUESHRS ORSH/PUT/INVESTMENTOTHERVOTING AUTHORITY
NAME OF ISSUERTITLE OF CLASSCUSIP(x$1000)PRN AMTPRNCALLDISCRETIONMANAGERSOLESHAREDNONE
ADTRAN HOLDINGS INCCOM00486H1053,794,159435,110SHSOLE 0 435,110 0
ARHAUS INCCOM04035M102515,99759,310SHSOLE 0 59,310 0
ARISTA NETWORKS INCCOM040413205433,8885,600SHPutSOLE5,600 0 0
ARRAY TECHNOLOGIES INCCOM04271T10095,23319,555SHSOLE19,555 0 0
BERRY CORPCOM08579X10117,8325,555SHSOLE5,555 0 0
BERRY CORPCOM08579X101513,600160,000SHCallSOLE160,000 0 0
BIG 5 SPORTING GOODS CORPCOM08915P10165,31967,555SHSOLE67,555 0 0
BREAD FINANCIAL HOLDINGS INCCOM018581AN81,386,21427,680SHSOLE 0 27,680 0
BROADCOM INCCOM11135F101535,7763,200SHPutSOLE3,200 0 0
BROOKDALE SR LIVING INCCOM1124631042,567,289410,110SHSOLE 0 410,110 0
CANTALOUPE INCCOM13810310619,419,4932,467,534SHSOLE 0 2,467,534 0
CLEARFIELD INCCOM18482P1031,203,95740,510SHSOLE 0 40,510 0
CONCENTRIX CORPCOM20602D1013,587,66764,480SHSOLE 0 64,480 0
CONSTELLATION ENERGY CORPCOM21037T1091,028,3135,100SHPutSOLE5,100 0 0
CRITEO S ACOM2267181049,436,694266,498SHSOLE 0 266,498 0
CYTOMX THERAPEUTICS INCCOM23284F1057,98212,555SHSOLE12,555 0 0
DHI GROUP INCCOM23331S10061,93144,555SHSOLE44,555 0 0
DIVERSIFIED HEALTHCARE TRCOM25525P1071,094,664456,110SHSOLE 0 456,110 0
DXC TECHNOLOGY COCOM23355L106231,11313,555SHSOLE13,555 0 0
EATON CORP PLCCOMG29183103434,9281,600SHPutSOLE1,600 0 0
ECOVYST INCCOM27923Q1091,418,622228,810SHSOLE 0 228,810 0
ENZO BIOCHEM INCCOM29410010232,76588,555SHSOLE88,555 0 0
EQT CORPCOM26884L10928,675,507536,693SHSOLE 0 536,693 0
EXPAND ENERGY CORPORATIONCOM1651677352,176,86319,555SHSOLE19,555 0 0
EXPAND ENERGY CORPORATIONCOM1651677351,558,48014,000SHCallSOLE14,000 0 0
FIRST FNDTN INCCOM32026V10480,73015,555SHSOLE15,555 0 0
FLUOR CORP NEWCOM343412102234,8006,555SHSOLE6,555 0 0
FLUSHING FINL CORPCOM343873105984,94977,555SHSOLE77,555 0 0
GE VERNOVA INCCOM36828A1012,808,5769,200SHPutSOLE9,200 0 0
GREEN DOT CORPCOM39304D102654,56477,555SHSOLE77,555 0 0
GULF IS FABRICATION INCCOM402307102643,12599,555SHSOLE99,555 0 0
HELIX ENERGY SOLUTIONS GRP ICOM42330P1071,034,180124,450SHSOLE 0 124,450 0
HOPE BANCORP INCCOM43940T1091,042,34199,555SHSOLE99,555 0 0
INVESCO QQQ TRCOM46090E1032,860,4126,100SHPutSOLE6,100 0 0
KBR INCCOM48242W1062,675,29553,710SHSOLE 0 53,710 0
MATCH GROUP INC NEWCOM57667L1071,785,57657,230SHSOLE 0 57,230 0
MATRIX SVC COCOM576853105553,81944,555SHSOLE44,555 0 0
MR COOPER GROUP INCCOM62482R10740,341,558337,304SHSOLE 0 337,304 0
NIAGEN BIOSCIENCE INCCOM17107740779,73011,555SHSOLE11,555 0 0
NN INCCOM629337106502,974222,555SHSOLE222,555 0 0
NVIDIA CORPORATIONCOM67066G1041,170,50410,800SHPutSOLE10,800 0 0
OIL STS INTL INCCOM678026105574,508111,555SHSOLE111,555 0 0
OLAPLEX HLDGS INCCOM67936910815,94512,555SHSOLE12,555 0 0
OSHKOSH CORPCOM688239201540,9605,750SHSOLE 0 5,750 0
PHOTRONICS INCCOM719405102484,33123,330SHSOLE 0 23,330 0
POTBELLY CORPCOM73754Y10028,345,1642,980,564SHSOLE 0 2,980,564 0
PREFORMED LINE PRODS COCOM740444104638,1104,555SHSOLE4,555 0 0
RANGE RES CORPCOM75281A1091,180,13129,555SHSOLE29,555 0 0
RIVERVIEW BANCORP INCCOM7693971009,226,6421,633,034SHSOLE 0 1,633,034 0
SCYNEXIS INCCOM81129220071,93675,555SHSOLE75,555 0 0
SEABOARD CORP DELCOM811543107771,376286SHSOLE 0 286 0
SUPERIOR INDS INTL INCCOM868168105710,472333,555SHSOLE333,555 0 0
TUTOR PERINI CORPCOM9011091081,545,64266,680SHSOLE 0 66,680 0
UNIFI INCCOM90467720084,44017,555SHSOLE17,555 0 0
VERTIV HOLDINGS COCOM92537N108664,2409,200SHPutSOLE9,200 0 0
W & T OFFSHORE INCCOM92922P10621,01013,555SHSOLE13,555 0 0
WABASH NATL CORPCOM929566107613,88355,555SHSOLE55,555 0 0