Stocks/Funds/CIK 1282683

Nierenberg Investment Management Company, Inc.

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1282683
Assets
$201M
+17.3% YoY
Holdings
44
Lifetime alpha vs market
-7.70% annual
Average hold time
1.9 yr
median 1.8 yr

Quarterly history

Cum return +10% vs S&P +52% · α -42% lifetimeAUM $201M · peak $201MFlow $12M (+6%)2020-122021-122022-122023-122024-122025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-1.99%
trims when stocks drop
when a holding falls −10%+
Middle response
-6.25%
baseline attrition
Rally response
-1.01%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
SGOViShares 0-3 Month Treasu$55M27.6%0.5 yr
EQTEQT Corporation$34M16.9%+20.5%5.5 yr
CRTOCriteo S.A.$19M9.4%-49.4%1.5 yr
LYFTLyft, Inc.$17M8.6%+12.0%1.0 yr
KBRKBR, Inc.$14M7.1%-24.9%5.5 yr
RVSBRiverview Bancorp, Inc.$11M5.6%-1.3%2.0 yr
CARTInstacart (Maplebear Inc$11M5.4%-6.1%0.3 yr
RKTRocket Companies, Inc.$6M3.0%+18.1%0.5 yr
GDOTGreen Dot Corporation$4M1.9%+32.9%1.3 yr
BKDBrookdale Senior Living $3M1.7%+118.5%2.5 yr
DHCDiversified Healthcare T$3M1.5%+180.2%5.0 yr
FIVNFive9, Inc.$2M1.0%-44.1%0.3 yr
GLREGreenlight Capital Re, L$2M0.9%+27.6%0.5 yr
CNXCConcentrix Corporation$2M0.9%-49.4%3.0 yr
FCNFTI Consulting, Inc.$2M0.9%+7.7%0.5 yr

Portfolio composition (YoY)

Industry mix
Asset Management - Bonds27.6%$55M
Oil & Gas Exploration & Production17.8%-1.0pp$36M
Software - Application9.6%$19M
Advertising Agencies9.4%+3.9pp$19M
Engineering & Construction7.2%+4.3pp$15M
Banks - Regional6.3%-0.3pp$13M
Specialty Retail5.5%+5.4pp$11M
Financial - Mortgages3.0%-20.5pp$6M
Medical - Care Facilities2.4%+0.9pp$5M
Financial - Credit Services2.0%+1.6pp$4M
Country
US89.1%-2.3pp
FR9.4%+3.9pp
KY0.9%
Unknown0.6%-2.4pp
Top 5: 69.6% · Top 10: 87.3% · Top 25: 98.1%

Winners

TickerPrev $PnLYoY %
EQT$29M+0.01B20.5%
BKD$3M+0.00B118.5%
DHC$1M+0.00B180.2%
PLAB$0M+0.00B94.7%
OSK$1M+0.00B59.0%

Losers

TickerPrev $PnLYoY %
CRTO$9M-0.00B-49.4%
CNXC$4M-0.00B-49.4%
KBR$3M-0.00B-24.9%
CLFD$1M-0.00B-10.9%
RVSB$9M-0.00B-1.3%

Top buys this quarter · 15

KBR KBR, Inc.+$12M
CART Instacart (Maplebear Inc.)new+$11M
LYFT Lyft, Inc.+$6M
CRTO Criteo S.A.+$3M
FIVN Five9, Inc.new+$2M
CCRN Cross Country Healthcare, Inc.new+$1M
GLRE Greenlight Capital Re, Ltd.+$1M
OCFC OceanFirst Financial Corp.new+$1M
FORR Forrester Research, Inc.+$1M
TNDM Tandem Diabetes Care, Inc.+$1M

Top sells this quarter · 11

SGOV iShares 0-3 Month Treasury Bon$0M
GIFI Gulf Island Fabrication, Inc.exit$0M
RKT Rocket Companies, Inc.$13M
ECVT Ecovyst Inc.exit$3M
BKD Brookdale Senior Living Inc.$2M
VRT Vertiv Holdings Coexit$2M
SEB Seaboard Corporationexit$2M
OIS Oil States International, Inc.$1M
BFH Bread Financial Holdings, Inc.$1M
EB Eventbrite, Inc.exit$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$201M44-0.46%+17.59%-18.05%+0.01B
2025-12-31$198M43+1.53%+17.72%-16.19%+0.02B
2025-09-30$181M40+14.26%+17.52%-3.26%+0.01B
2025-06-30$171M39+22.44%+14.94%+7.50%-0.01B
2025-03-31$171M47+16.67%+8.30%+8.37%+0.01B
2024-12-31$171M46+19.83%+24.89%-5.06%-0.01B
2024-09-30$167M47+15.33%+36.04%-20.70%-0.02B
2024-06-30$171M45+11.45%+24.49%-13.04%-0.00B
2024-03-31$171M35+23.29%+29.62%-6.34%+0.01B
2023-12-31$158M37+1.65%+26.18%-24.53%+0.01B
2023-09-30$139M33+7.89%+21.57%-13.68%-0.01B
2023-06-30$146M32+4.25%+19.42%-15.18%-0.00B
2023-03-31$133M36-22.86%-7.82%-15.04%+0.02B
2022-12-31$133M37+12.82%+7.56%+5.26%-0.00B
2022-09-30$120M40+0.15%-4.93%+5.08%-0.00B
2022-06-30$120M40-16.82%-16.11%-0.71%+0.00B