Nierenberg Investment Management Company, LLC is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q2 2026, the fund manages $201M in reported equity holdings across 35 positions. The largest holdings are ECNS.SN (23.0%), EQT (14.1%), CRTO (9.6%), LYFT (9.4%), CART (6.9%). The portfolio is concentrated in Other (85.2%), Energy (14.1%), Technology (0.7%). Data sourced from SEC EDGAR 13F filings (CIK 1282683).