Nierenberg Investment Management Company
Latest statistics and disclosures from Nierenberg Investment Management Company's latest quarterly 13F-HR filing:
- Top 5 stock holdings are PBPB, EQT, Mr Cooper Group, LYFT, SPY, and represent 60.32% of Nierenberg Investment Management Company's stock portfolio.
- Added to shares of these 10 stocks: LYFT (+$17M), SPY (+$17M), QQQ (+$6.6M), AVGO, NVDA, ANET, VRT, GEV, DXC, OMI.
- Started 6 new stock positions in TALK, EB, FORR, OMI, TTGT, SPY.
- Reduced shares in these 9 stocks: Mr Cooper Group (-$36M), CRTO, TPC, HOPE, PLAB, WNC, CLFD, DHX, BRY.
- Sold out of its positions in DHX, HOPE, PLAB.
- Nierenberg Investment Management Company was a net buyer of stock by $11M.
- Nierenberg Investment Management Company has $234M in assets under management (AUM), dropping by 24.32%.
- Central Index Key (CIK): 0001282683
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Portfolio Holdings for Nierenberg Investment Management Company
Nierenberg Investment Management Company holds 50 positions in its portfolio as reported in the September 2025 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price | |
|---|---|---|---|---|---|---|
| Potbelly (PBPB) | 21.7 | $51M | 3.0M | 17.04 |
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| EQT Corporation (EQT) | 12.5 | $29M | 537k | 54.43 |
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| Mr Cooper Group | 11.4 | $27M | -57% | 126k | 210.79 |
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| Lyft Cl A Com (LYFT) | 7.7 | $18M | +1811% | 814k | 22.01 |
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| Spdr S&p 500 Etf Tr Tr Unit Put Option (SPY) | 7.1 | $17M | NEW | 25k | 666.18 |
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| Riverview Ban (RVSB) | 4.7 | $11M | +4% | 2.0M | 5.37 |
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| Invesco Qqq Tr Unit Ser 1 Put Option (QQQ) | 4.4 | $10M | +180% | 17k | 600.37 |
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| Criteo S A Spons Ads (CRTO) | 4.1 | $9.6M | -20% | 425k | 22.60 |
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| Ge Vernova Put Option (GEV) | 2.9 | $6.9M | +21% | 11k | 614.90 |
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| Green Dot Corp Cl A (GDOT) | 1.9 | $4.6M | 339k | 13.43 |
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| NVIDIA Corporation Put Option (NVDA) | 1.8 | $4.3M | +111% | 23k | 186.58 |
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| Brookdale Senior Living (BKD) | 1.5 | $3.5M | 410k | 8.47 |
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| Broadcom Put Option (AVGO) | 1.4 | $3.4M | +218% | 10k | 329.91 |
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| Adtran Holdings (ADTN) | 1.4 | $3.2M | 343k | 9.38 |
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| Vertiv Holdings Com Cl A Put Option (VRT) | 1.4 | $3.2M | +130% | 21k | 150.86 |
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| Chesapeake Energy Corp (EXE) | 1.3 | $3.1M | 30k | 106.24 |
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| Arista Networks Com Shs Put Option (ANET) | 1.2 | $2.7M | +232% | 19k | 145.71 |
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| KBR (KBR) | 1.1 | $2.5M | 54k | 47.29 |
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| Constellation Energy Put Option (CEG) | 1.0 | $2.3M | +39% | 7.1k | 329.07 |
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| Concentrix Corp (CNXC) | 1.0 | $2.3M | 51k | 46.15 |
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| Diversified Healthcare Tr Com Sh Ben Int (DHC) | 0.9 | $2.0M | 456k | 4.41 |
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| Ecovyst (ECVT) | 0.9 | $2.0M | 229k | 8.76 |
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| Match Group (MTCH) | 0.9 | $2.0M | 57k | 35.32 |
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| Tutor Perini Corporation (TPC) | 0.7 | $1.6M | -44% | 25k | 65.59 |
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| Dxc Technology (DXC) | 0.6 | $1.4M | +634% | 100k | 13.63 |
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| Range Resources (RRC) | 0.5 | $1.1M | 30k | 37.64 |
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| Seaboard Corporation (SEB) | 0.4 | $1.0M | 286.00 | 3647.00 |
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| Preformed Line Products Company (PLPC) | 0.4 | $894k | 4.6k | 196.15 |
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| Alliance Data Systems Corporation (BFH) | 0.4 | $858k | 15k | 55.77 |
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| Owens & Minor (OMI) | 0.4 | $852k | NEW | 178k | 4.80 |
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| Helix Energy Solutions (HLX) | 0.3 | $816k | 125k | 6.56 |
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| Oshkosh Corporation (OSK) | 0.3 | $746k | 5.8k | 129.70 |
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| Oil States International (OIS) | 0.3 | $676k | 112k | 6.06 |
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| Techtarget Com New (TTGT) | 0.3 | $648k | NEW | 112k | 5.81 |
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| Arhaus Com Cl A (ARHS) | 0.3 | $631k | 59k | 10.63 |
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| Berry Pete Corp Call Option (BRY) | 0.3 | $605k | -3% | 160k | 3.78 |
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| Eaton Corp SHS Put Option (ETN) | 0.3 | $599k | 1.6k | 374.25 |
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| Clearfield (CLFD) | 0.2 | $568k | -52% | 17k | 34.38 |
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| Fluor Corporation (FLR) | 0.1 | $276k | 6.6k | 42.07 |
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| OraSure Technologies (OSUR) | 0.1 | $143k | +285% | 45k | 3.21 |
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| Wabash National Corporation (WNC) | 0.1 | $124k | -83% | 13k | 9.87 |
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| Gulf Island Fabrication (GIFI) | 0.1 | $123k | 18k | 7.02 |
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| Forrester Research (FORR) | 0.1 | $123k | NEW | 12k | 10.60 |
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| Scynexis Com New (SCYX) | 0.0 | $58k | 76k | 0.77 |
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| Cytomx Therapeutics (CTMX) | 0.0 | $40k | 13k | 3.19 |
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| Talkspace (TALK) | 0.0 | $32k | NEW | 12k | 2.76 |
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| Eventbrite Com Cl A (EB) | 0.0 | $29k | NEW | 12k | 2.52 |
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| NN (NNBR) | 0.0 | $28k | 14k | 2.06 |
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| W&T Offshore (WTI) | 0.0 | $25k | 14k | 1.82 |
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| Olaplex Hldgs (OLPX) | 0.0 | $16k | 13k | 1.31 |
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Past Filings by Nierenberg Investment Management Company
SEC 13F filings are viewable for Nierenberg Investment Management Company going back to 2010
- Nierenberg Investment Management Company 2025 Q3 filed Nov. 12, 2025
- Nierenberg Investment Management Company 2025 Q2 filed Aug. 11, 2025
- Nierenberg Investment Management Company 2025 Q1 filed May 13, 2025
- Nierenberg Investment Management Company 2024 Q4 filed Feb. 13, 2025
- Nierenberg Investment Management Company 2024 Q3 filed Nov. 13, 2024
- Nierenberg Investment Management Company 2024 Q2 filed Aug. 13, 2024
- Nierenberg Investment Management Company 2024 Q1 filed May 13, 2024
- Nierenberg Investment Management Company 2023 Q4 filed Feb. 14, 2024
- Nierenberg Investment Management Company 2023 Q3 filed Nov. 13, 2023
- Nierenberg Investment Management Company 2023 Q2 filed Aug. 11, 2023
- Nierenberg Investment Management Company 2023 Q1 filed May 12, 2023
- Nierenberg Investment Management Company 2022 Q4 filed Feb. 10, 2023
- Nierenberg Investment Management Company 2022 Q3 filed Nov. 10, 2022
- Nierenberg Investment Management Company 2022 Q2 filed Aug. 12, 2022
- Nierenberg Investment Management Company 2022 Q1 filed May 13, 2022
- Nierenberg Investment Management Company 2021 Q4 filed Feb. 11, 2022