Nierenberg Investment Management Company, LLC

Registered adviser

CIK

1282683

Location

Camas, WA

Portfolio Value

Small $201,445,395

Diversification

Diversified

Filing Date

Global Rank

#6,469 / 8,816 ▼ 461

Top Industry

Oil & Gas E&P 20.2%

Period ended 4 months ago

Filed Aug 11, 2026 · 2mo

23 quarters · since Dec 2020

Regulatory profile

From Form ADV, the SEC filer profile, 13D/13G type codes and N-CEN, never from the name.

Holder type

Registered adviser

Form ADV roster, Oct 1, 2026

Form ADV adviser

CRD 155416

Roster of Oct 1, 2026

Regulatory AUM

$235,480,967

Main clients

Pooled investment vehicles (98% of AUM)

Private funds

3 funds · Hedge funds

Focus by fund count, roster of Oct 1, 2026

$231,007,187 gross assets

Private funds on Schedule D 7.B.(1)

As filed Mar 18, 2024; SEC's bulk Form ADV archive ends with 2024 filings.

$169,170,423 gross assets in 3 funds Hedge funds $169,170,423 (3)

Form ADV history

Monthly rosters from Dec 2019; each row is a run with the same figures, newest first.

Rosters	Regulatory AUM	Main clients
Apr 2026 to Oct 2026	$235,480,967	Pooled investment vehicles (98%)
Apr 2025 to Mar 2026	$204,346,704	Pooled investment vehicles (97%)
Apr 2024 to Mar 2025	$174,454,363	Pooled investment vehicles (97%)
May 2023 to Mar 2024	$138,206,582	Pooled investment vehicles (97%)
Apr 2023	$138,206,582	Pooled investment vehicles (97%)
Apr 2022 to Mar 2023	$145,286,112	Pooled investment vehicles (97%)

3 earlier changes not shown.

Portfolio style

Measured from the filed 13F common-share book for Jun 30, 2026, never from the firm's own description.

Style

Concentrated

The top 10 positions are 86.1% of the book (60%+)

Turnover

Medium turnover

37.5% over the last four quarters (30% to under 100%)

Horizon

Medium horizon

Value-weighted holding period 8.8 quarters (4 to under 12)

Closest benchmark: every 13F filer's combined book, active share 96.0%; sector active share 29.8% against the combined 13F book's sector weights.

Over time 23 measured quarters

How the bands are measured

Style bands measure the filed 13F common-share book each closed quarter, tested in this order. Unknown: under $10,000,000 of valued equity or 5 stocks. Index-like (100+ stocks): active share of 20% or less against the closest benchmark, which is the S&P 500, S&P MidCap 400, S&P SmallCap 600, Russell 1000, Russell 2000, Nasdaq-100 or Dow Jones Industrial Average (weighted by an index-tracking fund's reported holdings or the index's constituents nearest the quarter end, over the names resolved to companies, and only when those are 90%+ of its weight) or every 13F filer's combined book, or index series holding 80%+ of the registered fund assets it advises (N-CEN) and equal to 50%+ of its book. Systematic-like: 500+ stocks, 100%+ annual turnover and a top 10 weight of 25% or less. Concentrated: a top 10 weight of 60%+ or 12 or fewer effective positions. Diversified active: none of these. Turnover is the smaller of buys and sells over average equity value, summed over four quarters: low under 30%, high 100%+. Horizon is the value-weighted number of quarters each position has been held: short under 4, long 12+.

Clone Performance

Build a hypothetical price-return history from this filer's public 13F holdings.

View clone backtest

Portfolio Concentration

35 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026

Top Position

23.0%

−4.7 pts

Top 5

62.9%

−6.9 pts

Top 10

86.1%

−1.4 pts

HHI

1,092

Diversified−263

Portfolio Trend

23 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026

Sector	% Portfolio	Value	Positions
Unclassified	23.0%	$46,413,601	1
Energy	15.6%	$31,424,142	5
Industrials	13.8%	$27,818,693	7
Technology	12.7%	$25,504,389	8
Financial Services	11.9%	$24,044,643	4
Communication Services	9.6%	$19,244,946	1
Consumer Cyclical	6.9%	$13,924,546	2
Healthcare	4.4%	$8,828,612	6
Real Estate	2.1%	$4,241,823	1

Last Quarter's Activity

Export CSV

Jun 30, 2026 vs Mar 31, 2026

Added To

Positions the filer increased

2 positions

Ticker	Company	Δ Shares	Shares	Value
TNDM	Tandem Diabetes Care Inc	+79,400	158,910	$2,397,951
FCN	Fti Consulting, Inc	+64,107	73,887	$11,009,901
No positions match the current search.

Trimmed

Positions the filer reduced

2 positions

Ticker	Company	Δ Shares	Shares	Value
SGOV	iShares 0-3 Month Treasury Bond ETF	−89,550	461,047	$46,413,601
TTGT	TechTarget, Inc.	−66,000	136,910	$492,876
No positions match the current search.

New Positions

Positions the filer opened this quarter

3 positions

Ticker	Company	Shares	Value
HAE	Haemonetics Corp	26,280	$1,971,000
REI	Ring Energy, Inc.	1,399,555	$1,511,519
CNDT	CONDUENT Inc	17,555	$25,630
No positions match the current search.

Sold Out

Positions the filer fully exited

12 positions

Ticker	Company	Shares	Value
ADTN	ADTRAN Holdings, Inc.	93,110	$1,171,323
OCFC	Oceanfirst Financial Corp	39,555	$713,572
HOPE	Hope Bancorp Inc	63,555	$709,909
CLFD	Clearfield, Inc.	16,510	$437,019
PLAB	Photronics Inc	6,330	$255,795
BFH	Bread Financial Holdings, Inc.	3,380	$253,128
PTLO	Portillo's Inc.	33,555	$177,505
WNC	WABASH NATIONAL Corp	12,555	$108,224
SCYX	Scynexis Inc	75,555	$69,283
ACH	Accendra Health Inc	27,555	$62,825
—		12,555	$0
—		144,555	$0
No positions match the current search.

Portfolio Positions

Compact Export CSV View 13F filing

35 tracked positions · $201,445,395 total · filing declares 35 positions · $201,445,405 · as of Jun 30, 2026

All sectors Communication Services Consumer Cyclical Energy Financial Services Healthcare Industrials Real Estate Technology

Ticker	Company	Type	Shares	Δ Shares	Value (USD)	% Δ Value	Held (qtrs)	Est. cost/share	% of Portfolio
SGOV	iShares 0-3 Month Treasury Bond ETF	Reduced	461,047	-89,550	$46,413,601	−16.3%	3	unpriced	23.04%
EQT	EQT Corp Energy	Held	533,363	0	$28,358,910	−16.5%	23	before history	14.08%
CRTO	Criteo S.A. Communication Services	Held	1,052,787	0	$19,244,946	+2.0%	7	$25.61	9.55%
LYFT	Lyft, Inc. Technology	Held	1,295,623	0	$18,929,052	+9.8%	5	$16.18	9.40%
CART	Maplebear Inc. Consumer Cyclical	Held	291,888	0	$13,820,896	+26.4%	2	$37.93	6.86%
KBR	Kbr, Inc. Industrials	Held	386,443	0	$13,343,876	−6.3%	23	before history	6.62%
RVSB	Riverview Bancorp Inc Financial Services	Held	2,032,775	0	$11,037,968	−1.3%	9	$4.86	5.48%
FCN	Fti Consulting, Inc Industrials	Added	73,887	+64,107	$11,009,901	+536.8%	3	$163.80	5.47%
RKT	Rocket Companies, Inc. Financial Services	Held	429,631	0	$6,766,688	+10.5%	3	$17.88	3.36%
GDOT	Green Dot Corp Financial Services	Held	339,110	0	$4,581,376	+20.4%	6	$8.91	2.27%
DHC	Diversified Healthcare Trust Real Estate	Held	456,110	0	$4,241,823	+40.1%	21	$1.16	2.11%
BKD	Brookdale Senior Living Inc. Healthcare	Held	255,110	0	$4,104,719	+17.6%	11	$5.51	2.04%
FIVN	Five9, Inc. Technology	Held	135,810	0	$2,895,469	+40.5%	2	$17.38	1.44%
TNDM	Tandem Diabetes Care Inc Healthcare	Added	158,910	+79,400	$2,397,951	+57.3%	3	$18.56	1.19%
HAE	Haemonetics Corp Healthcare	NEW	26,280	NEW	$1,971,000	NEW	1	$64.24	0.98%
GLRE	Greenlight Capital Re, Ltd. Financial Services	Held	102,510	0	$1,658,611	−6.4%	3	$13.79	0.82%
REI	Ring Energy, Inc. Energy	NEW	1,399,555	NEW	$1,511,519	NEW	1	$1.39	0.75%
CNXC	Concentrix Corp Technology	Reduced	64,480	-20,000	$1,444,674	−37.5%	13	$56.66	0.72%
EXE	EXPAND ENERGY Corp Energy	Held	15,555	0	$1,418,460	−16.9%	8	$92.11	0.70%
FORR	Forrester Research, Inc. Industrials	Held	131,110	0	$1,102,635	+48.6%	4	$7.13	0.55%
HOS	Hornbeck Offshore Services, Inc. Industrials	Held	124,450	0	$1,087,693	−11.6%	18	$7.17	0.54%
DXC	DXC Technology Co Technology	Held	102,510	0	$907,213	−29.6%	9	$14.79	0.45%
OSK	Oshkosh Corp Industrials	Held	5,750	0	$882,510	+4.3%	8	$104.22	0.44%
TTEC	TTEC Holdings, Inc. Technology	Held	255,555	0	$495,776	−22.4%	3	$2.98	0.25%
TTGT	TechTarget, Inc. Technology	Reduced	136,910	-66,000	$492,876	−37.4%	4	$5.81	0.24%
FLR	Fluor Corp Industrials	Held	6,555	0	$343,416	+12.3%	23	before history	0.17%
DHX	Dhi Group, Inc. Technology	Held	84,555	0	$313,699	+32.0%	2	$2.21	0.16%
OSUR	Orasure Technologies Inc Healthcare	Held	55,555	0	$247,775	+48.7%	5	$3.03	0.12%
ARHS	Arhaus, Inc. Consumer Cyclical	Held	12,310	0	$103,650	+24.2%	17	$7.85	0.05%
OIS	Oil States International, Inc Energy	Held	11,555	0	$92,555	−31.2%	7	$5.20	0.05%
		Held	11,555	0	$60,086	+0.5%	4	$2.59	0.03%
NNBR	Nn Inc Industrials	Held	13,555	0	$48,662	+147.6%	6	$2.87	0.02%
CTMX	CytomX Therapeutics, Inc. Healthcare	Held	12,555	0	$47,081	−20.2%	9	$1.99	0.02%
WTI	W&T Offshore Inc Energy	Held	13,555	0	$42,698	−7.6%	16	$5.47	0.02%
CNDT	CONDUENT Inc Technology	NEW	17,555	NEW	$25,630	NEW	1	$1.55	0.01%

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.