Nierenberg Investment Management Company, LLC

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 13, 2024), Nierenberg Investment Management Company, LLC reported 35 stock positions worth $171.0 million. Its top holding was Mr Cooper (COOP) at 24.7% of the portfolio, followed by Potbelly (PBPB, 20.0%) and Fluor (FLR, 10.7%). Compared with Q4 2023, it sold out of 2, added to 12 and reduced 5. The biggest buy was Eastern Bankshares (EBC, shares +868%) and the biggest sale Mr Cooper (COOP, shares −14%).

Most Recent 13F
Q2 2026
Location
Camas, WA
CIK
0001282683
Portfolio Value
$171.0M (Q1 2024)
SEC Filing
0001941040-24-000249 ↗ filed May 13, 2024

Holdings Value

0$50.0M$100.0M$150.0M$200.0M$250.0M Q1 2024: $171.0M $171.0M Q1 2024 Q2 2024: $170.6M Q2 2024 Q3 2024: $166.9M Q3 2024 Q4 2024: $170.9M Q4 2024 Q1 2025: $171.2M Q1 2025 Q2 2025: $171.4M Q2 2025 Q3 2025: $180.9M Q3 2025 Q4 2025: $198.2M Q4 2025 Q1 2026: $200.8M Q1 2026 Q2 2026: $201.4M Q2 2026

Holdings 35 stocks · $171.0M
COOP Mr Cooper Group Inc. 24.68% 541,514 $42.2M Reduce -14.4%
PBPB Potbelly Corp. 20.04% 2,829,860 $34.3M No change
FLR Fluor Corp. 10.72% 433,588 $18.3M Reduce -0.2%
EQT Eqt Corp. 10.55% 486,693 $18.0M Add +2.1%
CTLP Cantaloupe Inc. 9.93% 2,641,658 $17.0M No change
EBC Eastern Bankshares Inc. 3.59% 446,088 $6.1M Add +867.9%
FTK Flotek Industries Inc. 2.73% 1,247,637 $4.7M No change
KBR KBR Inc. 1.89% 50,710 $3.2M Add +65.7%
ECVT Ecovyst Inc. 1.19% 182,610 $2.0M Add +31.7%
SP SP Plus Corp. 1.15% 37,555 $2.0M Reduce -3.7%
CLFD Clearfield Inc. 1.04% 57,510 $1.8M Add +3.5%
PREMIER INC-CLASS A 0.99% 77,010 $1.7M Add +36.0%
SWN Southwestern Energy Co. 0.88% 199,555 $1.5M No change
HELE Helen of Troy Ltd. 0.88% 13,080 $1.5M No change
TPC Tutor Perini Corp. 0.87% 102,610 $1.5M No change
HOS Hornbeck Offshore Services I filed as HELIX ENERGY SOLUTIONS GRP I 0.78% 122,555 $1.3M No change
CNXC Concentrix Corp. 0.77% 19,910 $1.3M No change
MTRX Matrix Service Co. 0.76% 99,555 $1.3M Reduce -18.8%
SONO Sonos Inc. 0.75% 67,555 $1.3M No change
INSW International Seaways Inc. 0.73% 23,480 $1.2M Add +176.9%
DHC Diversified Healthcare Trust 0.67% 467,110 $1.1M No change
RRC Range Resources Corp. 0.59% 29,555 $1.0M No change
FHN First Horizon Corp. 0.56% 62,555 $963K Add +398.3%
ARHS Arhaus Inc. 0.53% 59,310 $913K No change
SSUP Superior Industries Intl 0.50% 297,097 $862K Add +29.1%
GIFI Gulf Island Fabrication Inc. 0.48% 111,555 $820K Add +26.0%
BFH Bread Financial Holdings Inc. 0.46% 21,210 $790K No change
APP AppLovin Corp. Class A 0.31% 7,555 $523K Reduce -61.4%
BKD Brookdale Senior Living Inc. 0.30% 77,555 $513K No change
SND Smart Sand Inc. 0.25% 222,555 $425K Add +25.3%
DAN Dana Inc. 0.16% 21,350 $271K No change
DZSIQ DZS Inc. 0.13% 172,555 $228K Add +210.6%
ORN Orion Group Holdings Inc. 0.11% 22,555 $185K No change
WTI W&T Offshore Inc. 0.02% 13,555 $36K No change
ENZB Enzo Biochem Inc. 0.01% 11,555 $15K No change

Options reported separately and not counted above: EQT calls ($4.3M), BFH calls ($968K), INSW calls ($910K), FHN calls ($770K), CYH calls ($420K), SSUP calls ($322K), ALGT calls ($301K), VISN calls ($288K), PREMIER INC-CLASS A calls ($221K).

Portfolio Sells Q4 2023 → Q1 2024
COOP Mr Cooper Group Inc. Reduce -14.4% 24.68% −1.44
FFWM First Foundation Inc. Sold out 0.00% −0.57
BBW Build-A-Bear Workshop Inc. Sold out 0.00% −0.25
APP AppLovin Corp. Class A Reduce -61.4% 0.31% −0.19
SP SP Plus Corp. Reduce -3.7% 1.15% −0.12
FLR Fluor Corp. Reduce -0.2% 10.72% −0.07
MTRX Matrix Service Co. Reduce -18.8% 0.76% −0.00

Portfolio Buys Q4 2023 → Q1 2024
EBC Eastern Bankshares Inc. Add +867.9% 3.59% +3.18
KBR KBR Inc. Add +65.7% 1.89% +0.81
INSW International Seaways Inc. Add +176.9% 0.73% +0.49
FHN First Horizon Corp. Add +398.3% 0.56% +0.45
ECVT Ecovyst Inc. Add +31.7% 1.19% +0.33
GIFI Gulf Island Fabrication Inc. Add +26.0% 0.48% +0.24
PREMIER INC-CLASS A Add +36.0% 0.99% +0.19
DZSIQ DZS Inc. Add +210.6% 0.13% +0.06
SSUP Superior Industries Intl Add +29.1% 0.50% +0.04
SND Smart Sand Inc. Add +25.3% 0.25% +0.03
CLFD Clearfield Inc. Add +3.5% 1.04% +0.01
EQT Eqt Corp. Add +2.1% 10.55% −1.13

Options Activity Q4 2023 → Q1 2024
PREMIER INC-CLASS A call Reduce -50.0% 10,000 $221K

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 35$201.4MSGOV, EQT, CRTO, LYFT, CART
Q1 2026 44$200.8MSGOV, EQT, CRTO, LYFT, KBR
Q4 2025 43$198.2MSGOV, EQT, RKT, CRTO, LYFT
Q3 2025 40$180.9MPBPB, EQT, COOP, LYFT, RVSB
Q2 2025 39$171.4MCOOP, PBPB, EQT, CRTO, RVSB
Q1 2025 47$171.2MCOOP, EQT, PBPB, CTLP, CRTO
Q4 2024 46$170.9MCOOP, PBPB, CTLP, EQT, EBC
Q3 2024 47$166.9MCOOP, PBPB, FLR, EQT, CTLP
Q2 2024 45$170.6MCOOP, PBPB, FLR, EQT, CTLP
Q1 2024 35$171.0MCOOP, PBPB, FLR, EQT, CTLP