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Nierenberg Investment Management Company, Inc.
Nierenberg Investment Management Company, Inc. is a value-focused investment management firm headquartered in Camas, Washington. Founded and led by David Nierenberg, the company is known for its concentrated investment approach and activist style, primarily managing assets for high-net-worth individuals, institutional investors, and affiliated private funds. The firm is recognized for active involvement with portfolio companies and long-term engagement. It employs a small, specialized team and has been operating since at least the early 2000s.
Investment Strategy
Nierenberg Investment Management Company pursues a value-oriented investment strategy with significant concentration in select equity positions, often in small and mid-cap companies. The firm demonstrates activist tendencies—engaging with management and boards to create shareholder value and drive corporate change. Investments are typically long-term, with thorough fundamental analysis and active monitoring of portfolio companies. It primarily invests through dedicated funds like the Benedict Value Fund, the D3 Family Fund, and others.
Latest 13F Filing Activity
Nierenberg Investment Management Company, Inc. filed their most recent 13F report on Jun 30, 2025 disclosing 39 equity positions and 10 options positions with a total 13F market value of $188M. The fund increased holdings in Potbelly Corp., MR Cooper Group Inc., Criteo S A among other positions. Nierenberg Investment Management Company, Inc. reduced exposure to Cantaloupe Inc., Flushing Finl Corp., Concentrix Corp. among others.
Top Holdings
Equity Positions (39)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
C COOP | MR COOPER GROUP INC | 23.47% | $44.2M | 296,054 | $31.05 | $149.21 | +$3.8M |
P PBPB | POTBELLY CORP | 19.40% | $36.5M | 2,980,564 | $6.45 | $12.25 | +$8.2M |
E EQT | EQT CORP | 16.63% | $31.3M | 536,693 | $15.53 | $58.32 | +$2.6M |
C CRTO | CRITEO S A | 6.82% | $12.8M | 535,702 | $30.18 | $23.96 | +$3.4M |
R RVSB | RIVERVIEW BANCORP INC | 5.66% | $10.7M | 1,937,775 | $4.98 | $5.50 | +$1.4M |
Options Positions (10)
| Ticker | Security | Action | Type | Notional Value | Contracts | Underlying Price | Premium Paid | Change (Contracts) | Change (Value) |
|---|---|---|---|---|---|---|---|---|---|
G GEV | GE VERNOVA INC | — | Put | $4.9M | 92 | $529.15 | $305.28 | 0 | +$2.1M |
Q QQQ | INVESCO QQQ TR | — | Put | $3.4M | 61 | $551.64 | $468.92 | 0 | +$504.6K |
N NVDA | NVIDIA CORPORATION | — | Put | $1.7M | 108 | $157.99 | $108.38 | 0 | +$535.8K |
C CEG | CONSTELLATION ENERGY CORP | — | Put | $1.6M | 51 | $322.76 | $201.63 | 0 | +$617.8K |
E EXE | EXPAND ENERGY CORPORATION | — | Call | $1.6M | 140 | $116.94 | $82.50 | 0 | +$78.7K |
Industry Allocation
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