Nierenberg Investment Management Company
Latest statistics and disclosures from Nierenberg Investment Management Company's latest quarterly 13F-HR filing:
- Top 5 stock holdings are SGOV, EQT, RKT, CRTO, LYFT, and represent 74.21% of Nierenberg Investment Management Company's stock portfolio.
- Added to shares of these 10 stocks: SGOV (+$64M), RKT (+$26M), CRTO (+$9.6M), FCN, CNXC, TNDM, GLRE, KBR, PLAB, TTEC.
- Started 8 new stock positions in GLRE, FCN, RKT, TNDM, PLAB, TTEC, SGOV, HOPE.
- Reduced shares in these 10 stocks: PBPB (-$51M), Mr Cooper Group (-$27M), , QQQ (-$10M), NVDA, AVGO, ANET, GEV, CEG, VRT.
- Sold out of its positions in ANET, BRY, AVGO, CEG, QQQ, MTCH, Mr Cooper Group, NVDA, PBPB, PLPC. RRC, SPY, TPC, ETN.
- Nierenberg Investment Management Company was a net seller of stock by $-25M.
- Nierenberg Investment Management Company has $206M in assets under management (AUM), dropping by -11.98%.
- Central Index Key (CIK): 0001282683
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Portfolio Holdings for Nierenberg Investment Management Company
Nierenberg Investment Management Company holds 44 positions in its portfolio as reported in the December 2025 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price | |
|---|---|---|---|---|---|---|
| Ishares Tr 0-3 Mnth Treasry (SGOV) | 31.2 | $64M | NEW | 641k | 100.38 |
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| EQT Corporation (EQT) | 13.9 | $29M | 533k | 53.60 |
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| Rocket Cos Com Cl A (RKT) | 12.6 | $26M | NEW | 1.3M | 19.36 |
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| Criteo S A Spons Ads (CRTO) | 8.9 | $18M | +109% | 889k | 20.61 |
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| Lyft Cl A Com (LYFT) | 7.7 | $16M | 814k | 19.37 |
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| Riverview Ban (RVSB) | 5.0 | $10M | 2.0M | 5.02 |
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| Ge Vernova Put Option (GEV) | 2.4 | $5.0M | -32% | 7.6k | 653.57 |
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| Brookdale Senior Living (BKD) | 2.1 | $4.4M | 410k | 10.79 |
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| Green Dot Corp Cl A (GDOT) | 2.1 | $4.3M | 339k | 12.81 |
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| Concentrix Corp (CNXC) | 1.7 | $3.5M | +67% | 85k | 41.58 |
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| Chesapeake Energy Corp (EXE) | 1.6 | $3.3M | 30k | 110.36 |
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| KBR (KBR) | 1.4 | $3.0M | +37% | 74k | 40.20 |
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| Ecovyst (ECVT) | 1.1 | $2.2M | 229k | 9.73 |
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| Diversified Healthcare Tr Com Sh Ben Int (DHC) | 1.1 | $2.2M | 456k | 4.85 |
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| FTI Consulting (FCN) | 0.8 | $1.6M | NEW | 9.6k | 170.83 |
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| Dxc Technology (DXC) | 0.7 | $1.5M | +2% | 103k | 14.65 |
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| Seaboard Corporation (SEB) | 0.6 | $1.3M | 286.00 | 4444.82 |
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| Alliance Data Systems Corporation (BFH) | 0.6 | $1.1M | 15k | 74.03 |
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| Vertiv Holdings Com Cl A (VRT) | 0.6 | $1.1M | -66% | 7.0k | 162.01 |
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| Tandem Diabetes Care Com New (TNDM) | 0.5 | $979k | NEW | 45k | 21.98 |
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| Greenlight Capital Re Class A (GLRE) | 0.4 | $810k | NEW | 56k | 14.58 |
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| Adtran Holdings (ADTN) | 0.4 | $809k | -72% | 93k | 8.69 |
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| Helix Energy Solutions (HLX) | 0.4 | $780k | 125k | 6.27 |
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| Oil States International (OIS) | 0.4 | $755k | 112k | 6.77 |
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| Techtarget Com New (TTGT) | 0.4 | $739k | +22% | 137k | 5.40 |
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| Oshkosh Corporation (OSK) | 0.4 | $722k | 5.8k | 125.63 |
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| Owens & Minor (ACH) | 0.2 | $497k | 178k | 2.80 |
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| Clearfield (CLFD) | 0.2 | $481k | 17k | 29.15 |
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| Fluor Corporation (FLR) | 0.1 | $260k | 6.6k | 39.63 |
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| Gulf Island Fabrication | 0.1 | $210k | 18k | 11.97 |
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| Photronics (PLAB) | 0.1 | $203k | NEW | 6.3k | 32.00 |
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| Ttec Holdings (TTEC) | 0.1 | $200k | NEW | 56k | 3.60 |
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| Arhaus Com Cl A (ARHS) | 0.1 | $172k | -74% | 15k | 11.21 |
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| Hope Ban (HOPE) | 0.1 | $138k | NEW | 13k | 10.96 |
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| Wabash National Corporation (WNC) | 0.1 | $109k | 13k | 8.65 |
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| OraSure Technologies (OSUR) | 0.1 | $108k | 45k | 2.42 |
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| Forrester Research (FORR) | 0.0 | $94k | 12k | 8.12 |
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| Cytomx Therapeutics (CTMX) | 0.0 | $54k | 13k | 4.26 |
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| Eventbrite Com Cl A (EB) | 0.0 | $51k | 12k | 4.45 |
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| Scynexis Com New (SCYX) | 0.0 | $48k | 76k | 0.63 |
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| Talkspace (TALK) | 0.0 | $42k | 12k | 3.63 |
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| W&T Offshore (WTI) | 0.0 | $22k | 14k | 1.63 |
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| NN (NNBR) | 0.0 | $17k | 14k | 1.28 |
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| Olaplex Hldgs (OLPX) | 0.0 | $17k | 13k | 1.34 |
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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 Q4 filed Feb. 13, 2026
- 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