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CIK: 0001282683
Total reported value
$201.4M
$201.4M
50 檔
70.1%
During the Q3 2025 filing period, Nierenberg Investment Management Company, LLC (CIK: 0001282683) submitted its Form 13F report to the U.S. SEC, disclosing a tracked public equity portfolio valued at $201.4M across 50 reported positions.
Nierenberg Investment Management Company, LLC executed strategic sector rebalancing during Q3 2025, establishing 7 new positions while fully exiting 10 holdings and trimming 9 positions.
In terms of portfolio concentration, the top 5 core holdings (including PTB, EQT, 07WA) accounted for 70.1% of total reported equity market value during Q3 2025.
Top New Position Initiated
LYFT
市值: $17.9M
Top Position Liquidated / Trimmed
UTE0
前期市值: $19.4M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | PTB | Potbelly CORP | Stock-Other | 21.70% | — | — | |
| 2 | EQT | Eqt CORP | Stock-Energy | 12.48% | -2.77% | — | |
| 3 | 07WA | Mr Cooper Group Inc | Stock-Other | 11.36% | — | -57.40% | |
| 4 | LYFT | Lyft Inc-a | Stock-Tech | 7.65% | +0.85% | +1811.77% | |
| 5 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 7.12% | — | — | |
| 6 | RVSB | Riverview Bancorp Inc | Stock-Other | 4.67% | -0.07% | +4.90% | |
| 7 | QQQ | Invesco Qqq Trust Series 1 | ETF-Tech | 4.39% | — | +180.33% | |
| 8 | CRTO | Criteo Sa-spon Adr | Stock-Other | 4.10% | +0.18% | -20.67% | |
| 9 | GEV | GE Vernova Inc | Stock-Industrials | 2.94% | — | +21.74% | |
| 10 | GDOT | Green Dot Corp-class A | Stock-Other | 1.95% | +0.38% | — | |
| 11 | NVDA | Nvidia CORP | Stock-Tech | 1.82% | — | +111.11% | |
| 12 | BKD | Brookdale Senior Living Inc | Stock-Other | 1.48% | +0.31% | — | |
| 13 | AVGO | Broadcom Inc | Stock-Tech | 1.44% | — | +218.75% | |
| 14 | ADTN | Adtran Holdings Inc | Stock-Other | 1.38% | -0.58% | EXIT | |
| 15 | VRT | Vertiv Holdings Co-a | Stock-Industrials | 1.37% | — | +130.43% | |
| 16 | EXE | Expand Energy CORP | Stock-Energy | 1.34% | -0.15% | — | |
| 17 | ANET | Arista Networks Inc | Stock-Tech | 1.16% | — | +232.14% | |
| 18 | KBR | Kbr Inc | Stock-Industrials | 1.09% | -0.45% | — | |
| 19 | CEG | Constellation Energy | Stock-Utilities | 1.00% | — | +39.22% | |
| 20 | CNXC | Concentrix CORP | Stock-Tech | 1.00% | -0.43% | — | |
| 21 | DHC | Diversified Healthcare Trust | Stock-Other | 0.86% | +0.61% | — | |
| 22 | ECVT | Ecovyst Inc | Stock-Other | 0.86% | — | — | |
| 23 | MTCH | Match Group Inc | Stock-Comm Services | 0.86% | — | — | |
| 24 | TPC | Tutor Perini CORP | Stock-Other | 0.69% | — | -44.76% | |
| 25 | DXC | Dxc Technology Co | Stock-Tech | 0.58% | -0.19% | +634.45% | |
| 26 | RRC | Range Resources CORP | Stock-Energy | 0.48% | — | — | |
| 27 | SEB | Seaboard CORP | Stock-Other | 0.45% | — | — | |
| 28 | PLPC | Preformed Line Products Co | Stock-Other | 0.38% | — | — | |
| 29 | BFH | Bread Financial Holdings Inc | Stock-Financials | 0.37% | -0.13% | EXIT | |
| 30 | ACH | Accendra Health Inc | Stock-Other | 0.36% | -0.09% | EXIT | |
| 31 | HLX | Helix Energy Solutions Group | Stock-Other | 0.35% | -0.07% | — | |
| 32 | OSK | Oshkosh CORP | Stock-Industrials | 0.32% | +0.02% | — | |
| 33 | OIS | Oil States International Inc | Stock-Other | 0.29% | -0.02% | — | |
| 34 | TTGT | Techtarget Inc | Stock-Other | 0.28% | -0.15% | — | |
| 35 | ARHS | Arhaus Inc | Stock-Other | 0.27% | +0.01% | — | |
| 36 | BRY | Berry CORP | Stock-Other | 0.26% | — | -3.36% | |
| 37 | ETN | Eaton Corporation plc | Stock-Industrials | 0.26% | — | — | |
| 38 | CLFD | Clearfield Inc | Stock-Other | 0.24% | -0.22% | EXIT | |
| 39 | FLR | Fluor CORP | Stock-Industrials | 0.12% | +0.02% | — | |
| 40 | OSUR | Orasure Technologies Inc | Stock-Other | 0.06% | +0.04% | +285.59% | |
| 41 | WNC | Wabash National CORP | Stock-Other | 0.05% | -0.05% | EXIT | |
| 42 | GIFI | Gulf Island Fabrication Inc | Stock-Other | 0.05% | — | — | |
| 43 | FORR | Forrester Research Inc | Stock-Other | 0.05% | +0.18% | — | |
| 44 | SCYXEUR | Scynexis Inc | Stock-Other | 0.02% | -0.03% | EXIT | |
| 45 | CTMX | Cytomx Therapeutics Inc | Stock-Other | 0.02% | -0.01% | — | |
| 46 | TALK | Talkspace Inc | Stock-Other | 0.01% | — | — | |
| 47 | EB4 | Eventbrite Inc-class A | Stock-Other | 0.01% | — | — | |
| 48 | NNBR | Nn Inc | Stock-Other | 0.01% | +0.01% | — | |
| 49 | WTI | W&t Offshore Inc | Stock-Other | 0.01% | — | — | |
| 50 | OLPX | Olaplex Holdings Inc | Stock-Other | 0.01% | -0.01% | EXIT |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | PTB | Potbelly CORP | +6.2% | — | Unchanged |
| 2 | QQQ | Invesco Qqq Trust Series 1 | +2.8% | +180.33% | Add |
| 3 | GDOT | Green Dot Corp-class A | +1.6% | — | Add |
| 4 | GEV | GE Vernova Inc | +1.4% | +21.74% | Add |
| 5 | NVDA | Nvidia CORP | +1.2% | +111.11% | Add |
| 6 | AVGO | Broadcom Inc | +1.2% | +218.75% | Add |
| 7 | VRT | Vertiv Holdings Co-a | +1% | +130.43% | Add |
| 8 | ANET | Arista Networks Inc | +0.9% | +232.14% | Add |
| 9 | DXC | Dxc Technology Co | +0.5% | +634.45% | Add |
| 10 | CEG | Constellation Energy | +0.4% | +39.22% | Add |
| 11 | DHC | Diversified Healthcare Trust | +0.3% | — | Unchanged |
| 12 | ECVT | Ecovyst Inc | +0.1% | — | Unchanged |
| 13 | BKD | Brookdale Senior Living Inc | +0.1% | — | Unchanged |
| 14 | SEB | Seaboard CORP | 0% | — | Unchanged |
| 15 | PLPC | Preformed Line Products Co | 0% | — | Unchanged |
| 16 | OSK | Oshkosh CORP | 0% | — | Unchanged |
| 17 | ETN | Eaton Corporation plc | 0% | — | Unchanged |
| 18 | ARHS | Arhaus Inc | 0% | — | Unchanged |
| 19 | OIS | Oil States International Inc | 0% | — | Unchanged |
| 20 | MTCH | Match Group Inc | -0.1% | — | Trim |
| 21 | HLX | Helix Energy Solutions Group | -0.2% | — | Unchanged |
| 22 | NNBR | Nn Inc | -0.3% | — | Trim |
| 23 | WNC | Wabash National CORP | -0.3% | -83.81% | Trim |
| 24 | GIFI | Gulf Island Fabrication Inc | -0.3% | — | Trim |
| 25 | KBR | Kbr Inc | -0.4% | — | Unchanged |
| 26 | RVSB | Riverview Bancorp Inc | -0.4% | +4.90% | Add |
| 27 | CLFD | Clearfield Inc | -0.4% | -52.16% | Trim |
| 28 | ADTN | Adtran Holdings Inc | -0.7% | — | Trim |
| 29 | EXE | Expand Energy CORP | -0.7% | — | Trim |
| 30 | CNXC | Concentrix CORP | -1% | — | Trim |
| 31 | CRTO | Criteo Sa-spon Adr | -1.1% | -20.67% | Add |
| 32 | EQT | Eqt CORP | -3.2% | — | Unchanged |
| 33 | 07WA | Mr Cooper Group Inc | -10.7% | -57.40% | Trim |
| 34 | UTE0 | Cantaloupe Inc | — | EXIT | Sold out |
| 35 | LYFT | Lyft Inc-a | — | NEW | New buy |
| 36 | SPY | Ss Spdr S&p 500 ETF Trust-us | — | NEW | New buy |
| 37 | BFH 4.25 06-15-28Bond | Bread Financial Hldgs | — | EXIT | Sold out |
| 38 | HOPE | Hope Bancorp Inc | — | EXIT | Sold out |
| 39 | FL8 | Flushing Financial CORP | — | EXIT | Sold out |
| 40 | BFH | Bread Financial Holdings Inc | — | NEW | New buy |
| 41 | ACH | Accendra Health Inc | — | NEW | New buy |
| 42 | SSUP | Superior Industries Intl | — | EXIT | Sold out |
| 43 | TTGT | Techtarget Inc | — | NEW | New buy |
| 44 | MTRX | Matrix Service Co | — | EXIT | Sold out |
| 45 | PLAB | Photronics Inc | — | EXIT | Sold out |
| 46 | OSUR | Orasure Technologies Inc | — | NEW | New buy |
| 47 | FORR | Forrester Research Inc | — | NEW | New buy |
| 48 | ARRY | Array Technologies Inc | — | EXIT | Sold out |
| 49 | UFI | Unifi Inc | — | EXIT | Sold out |
| 50 | FFWM | First Foundation Inc | — | EXIT | Sold out |
According to official SEC Form 13F filings, Nierenberg Investment Management Company, LLC reported a total U.S. public equity portfolio value of $201.4M across 50 disclosed positions in Q3 2025.
During Q3 2025, Nierenberg Investment Management Company, LLC's top holdings by market value included PTB (21.7%)、EQT (12.5%)、07WA (11.4%). The largest single position, PTB, represented 21.7% of total portfolio value.
In Q3 2025, Nierenberg Investment Management Company, LLC made 37 total portfolio adjustments, initiating 7 new buys, adding to 11 positions, trimming 9 holdings, and fully liquidating 10 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
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