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Nierenberg Investment Management Company, LLC 13F holdings, Q4 2025

Holdings as of December 31, 2025 · filings on SEC EDGAR · latest filing →

Nierenberg Investment Management Company, LLC disclosed 43 US equity positions worth $198.2m in its Q4 2025 13F filing. The largest position was SGOV at 32.4% of the reported book, followed by EQT and RKT. Against the Q3 2025 filing, it opened 9 new positions, added to 5 and reduced 3 among the top 43 holdings.

← Q3 2025 · Q1 2026 →

What did Nierenberg Investment Management Company, LLC own in Q4 2025? Top 43 positions

#StockSectorWeightValueSharesΔ sharesvs Q3 2025
1 SGOV ISHARES TR 32.4%$64.3m640,597 – new
2 EQT EQT CORP Energy 14.4%$28.6m533,363 -1% reduced
3 RKT ROCKET COS INC Financial Services 13.1%$25.9m1,336,631 – new
4 CRTO CRITEO S A 9.2%$18.3m888,888 109% added
5 LYFT LYFT INC Technology 8.0%$15.8m813,555 0% held
6 RVSB RIVERVIEW BANCORP INC Financial Services 5.1%$10.2m2,032,775 0% held
7 BKD BROOKDALE SR LIVING INC Healthcare 2.2%$4.4m410,110 0% held
8 GDOT GREEN DOT CORP Financial Services 2.2%$4.3m339,110 0% held
9 KBR KBR INC Industrials 1.5%$3.0m73,710 37% added
10 CNXC CONCENTRIX CORP Technology 1.4%$2.7m64,480 28% added
11 ECVT ECOVYST INC Basic Materials 1.1%$2.2m228,810 0% held
12 DHC DIVERSIFIED HEALTHCARE TR 1.1%$2.2m456,110 0% held
13 EXE EXPAND ENERGY CORPORATION Energy 0.9%$1.7m15,555 0% held
14 FCN FTI CONSULTING INC Industrials 0.8%$1.6m9,555 – new
15 DXC DXC TECHNOLOGY CO Technology 0.8%$1.5m102,510 3% added
16 SEB SEABOARD CORP DEL Industrials 0.6%$1.3m286 0% held
17 BFH BREAD FINANCIAL HOLDINGS INC Financial Services 0.6%$1.1m15,380 0% held
18 VRT VERTIV HOLDINGS CO Industrials 0.6%$1.1m7,000 – new
19 TNDM TANDEM DIABETES CARE INC Healthcare 0.5%$979.3k44,555 – new
20 GLRE GREENLIGHT CAPITAL RE LTD Financial Services 0.4%$810.0k55,555 – new
21 ADTN ADTRAN HOLDINGS INC Technology 0.4%$809.1k93,110 -73% reduced
22 HOS HELIX ENERGY SOLUTIONS GRP I 0.4%$780.3k124,450 0% held
23 OIS OIL STS INTL INC Energy 0.4%$755.2k111,555 0% held
24 TTGT TECHTARGET INC Technology 0.4%$739.3k136,910 23% added
25 OSK OSHKOSH CORP Industrials 0.4%$722.4k5,750 0% held
26 CLFD CLEARFIELD INC Technology 0.2%$481.3k16,510 0% held
27 FLR FLUOR CORP NEW Industrials 0.1%$259.8k6,555 0% held
28 GIFI GULF IS FABRICATION INC 0.1%$210.1k17,555 0% held
29 PLAB PHOTRONICS INC Technology 0.1%$202.6k6,330 – new
30 TTEC TTEC HLDGS INC Technology 0.1%$200.0k55,555 – new
31 ARHS ARHAUS INC Consumer Cyclical 0.1%$171.6k15,310 -74% reduced
32 HOPE HOPE BANCORP INC Financial Services 0.1%$137.6k12,555 – new
33 WNC WABASH NATL CORP Industrials 0.1%$108.6k12,555 0% held
34 OSUR ORASURE TECHNOLOGIES INC Healthcare 0.1%$107.8k44,555 0% held
35 FORR FORRESTER RESH INC Industrials 0.0%$93.8k11,555 0% held
36 ACH OWENS & MINOR INC NEW Healthcare 0.0%$77.2k27,555 0% held
37 CTMX CYTOMX THERAPEUTICS INC Healthcare 0.0%$53.5k12,555 0% held
38 EB4 EVENTBRITE INC 0.0%$51.4k11,555 0% held
39 SCYX SCYNEXIS INC 0.0%$47.8k75,555 0% held
40 TALK TALKSPACE INC Healthcare 0.0%$41.9k11,555 0% held
41 WTI W & T OFFSHORE INC Energy 0.0%$22.1k13,555 0% held
42 NNBR NN INC 0.0%$17.4k13,555 0% held
43 OLAPLEX HLDGS INC 0.0%$16.8k12,555 0% held

Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.