Nierenberg Investment Management Company, LLC

Camas, WA · CIK 1282683 · 13F filing filed 2026-08-11

SEC-registered investment adviser since 2012 · limited liability company

Assets managed$235.5m
Staff3 · 2 in investment roles
Main clients (by assets)Private funds 98%, Companies 2%
Private funds3 (3 hedge) · $231.0m gross assets
Websited3familyfunds.com
Form ADV · 2026-03-13SEC adviser record

$201.4m reported value +0.3% vs Q1 2026

35positions

86.1%in top 10

3 new 2 added 2 reduced 12 sold out vs Q1 2026

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change	Shares change
1	ISHARES TR 0-3 MNTH TREASRY SGOV	SGOV	461,047	$46.4m23.04%	23.04%	Reduced -89.5k	-89,550 -16.3%
2	EQT CORP COM EQT	EQT	533,363	$28.4m14.08%	14.08%	Unchanged
3	CRITEO S A SPONS ADS CRTO	CRTO	1,052,787	$19.2m9.55%	9.55%	Unchanged
4	LYFT INC CL A COM LYFT	LYFT	1,295,623	$18.9m9.40%	9.40%	Unchanged
5	MAPLEBEAR INC COM CART	CART	291,888	$13.8m6.86%	6.86%	Unchanged
6	KBR INC COM KBR	KBR	386,443	$13.3m6.62%	6.62%	Unchanged
7	RIVERVIEW BANCORP INC COM RVSB	RVSB	2,032,775	$11.0m5.48%	5.48%	Unchanged
8	FTI CONSULTING INC COM FCN	FCN	73,887	$11.0m5.47%	5.47%	Added +64.1k	+64,107 655.5%
9	ROCKET COS INC COM CL A RKT	RKT	429,631	$6.8m3.36%	3.36%	Unchanged
10	GREEN DOT CORP CL A GDOT	GDOT	339,110	$4.6m2.27%	2.27%	Unchanged
11	DIVERSIFIED HEALTHCARE TR COM SH BEN INT DHC	DHC	456,110	$4.2m2.11%	2.11%	Unchanged
12	BROOKDALE SR LIVING INC COM BKD	BKD	255,110	$4.1m2.04%	2.04%	Unchanged
13	FIVE9 INC COM FIVN	FIVN	135,810	$2.9m1.44%	1.44%	Unchanged
14	TANDEM DIABETES CARE INC COM NEW TNDM	TNDM	158,910	$2.4m1.19%	1.19%	Added +79.4k	+79,400 99.9%
15	HAEMONETICS CORP MASS COM HAE	HAE	26,280	$2.0m0.98%	0.98%	New
16	GREENLIGHT CAPITAL RE LTD CLASS A GLRE	GLRE	102,510	$1.7m0.82%	0.82%	Unchanged
17	RING ENERGY INC COM REI	REI	1,399,555	$1.5m0.75%	0.75%	New
18	CONCENTRIX CORP COM CNXC	CNXC	64,480	$1.4m0.72%	0.72%	Unchanged
19	EXPAND ENERGY CORPORATION COM EXE	EXE	15,555	$1.4m0.70%	0.70%	Unchanged
20	FORRESTER RESH INC COM FORR	FORR	131,110	$1.1m0.55%	0.55%	Unchanged
21	HELIX ENERGY SOLUTIONS GRP I COM HOS	HOS	124,450	$1.1m0.54%	0.54%	Unchanged
22	DXC TECHNOLOGY CO COM DXC	DXC	102,510	$907.2k0.45%	0.45%	Unchanged
23	OSHKOSH CORP COM OSK	OSK	5,750	$882.5k0.44%	0.44%	Unchanged
24	TTEC HLDGS INC COM TTEC	TTEC	255,555	$495.8k0.25%	0.25%	Unchanged
25	TECHTARGET INC COM NEW TTGT	TTGT	136,910	$492.9k0.24%	0.24%	Reduced -66.0k	-66,000 -32.5%
26	FLUOR CORP NEW COM FLR	FLR	6,555	$343.4k0.17%	0.17%	Unchanged
27	DHI GROUP INC COM DHX	DHX	84,555	$313.7k0.16%	0.16%	Unchanged
28	ORASURE TECHNOLOGIES INC COM OSUR	OSUR	55,555	$247.8k0.12%	0.12%	Unchanged
29	ARHAUS INC COM CL A ARHS	ARHS	12,310	$103.7k0.05%	0.05%	Unchanged
30	OIL STS INTL INC COM OIS	OIS	11,555	$92.6k0.05%	0.05%	Unchanged
31	TALKSPACE INC COM TALK	TALK	11,555	$60.1k0.03%	0.03%	Unchanged
32	NN INC COM NNBR	NNBR	13,555	$48.7k0.02%	0.02%	Unchanged
33	CYTOMX THERAPEUTICS INC COM CTMX	CTMX	12,555	$47.1k0.02%	0.02%	Unchanged
34	W & T OFFSHORE INC COM WTI	WTI	13,555	$42.7k0.02%	0.02%	Unchanged
35	CONDUENT INC COM CNDT	CNDT	17,555	$25.6k0.01%	0.01%	New

Sold out since Q1 2026

Security	Ticker	Shares held before	Value then
CROSS CTRY HEALTHCARE INC CCRN	CCRN	144,555	$1.4m144.6k shares
ADTRAN HOLDINGS INC ADTN	ADTN	93,110	$1.2m93.1k shares
OCEANFIRST FINL CORP OCFC	OCFC	39,555	$713.6k39.6k shares
HOPE BANCORP INC HOPE	HOPE	63,555	$709.9k63.6k shares
CLEARFIELD INC CLFD	CLFD	16,510	$437.0k16.5k shares
PHOTRONICS INC PLAB	PLAB	6,330	$255.8k6.3k shares
BREAD FINANCIAL HOLDINGS INC BFH	BFH	3,380	$253.1k3.4k shares
PORTILLOS INC PTLO	PTLO	33,555	$177.5k33.6k shares
WABASH NATL CORP WNC	WNC	12,555	$108.2k12.6k shares
SCYNEXIS INC		75,555	$69.3k75.6k shares
OWENS & MINOR INC NEW ACH	ACH	27,555	$62.8k27.6k shares
OLAPLEX HLDGS INC OLPX	OLPX	12,555	$25.5k12.6k shares

Stakes above 5%

Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on.

Company	Ticker	Stake	Change	Schedule	Last filed
POTBELLY CORP PBPB · 13D · filed 2025-03-17	PBPB	10.3%		13D	2025-03-17
RIVERVIEW BANCORP INC RVSB · 13D · filed 2025-07-15	RVSB	10.0%≈ $11.4m	+1.0 pts	13D	2025-07-15

Trades reported as a company insider since 1 Apr 2026

Owning 10% or more of a company, or having someone on its board, makes this manager an insider there: it reports its trades in that company's shares on Form 4 within two business days. Open-market and private purchases and sales only.

Date	Company	Ticker	Trade	Shares	Value	Their holding
2026-07-24	RIVERVIEW BANCORP INC 10% owner · By: Haredale Ltd.	RVSB	Sold	5,000	$26.4k5.0k shares	-6%
2026-07-23	RIVERVIEW BANCORP INC 10% owner · By: Haredale Ltd.	RVSB	Sold	5,000	$26.3k5.0k shares	-6%
2026-07-22	RIVERVIEW BANCORP INC 10% owner · By: Haredale Ltd.	RVSB	Sold	5,000	$26.2k5.0k shares	-5%