BAMCO INC /NY/ is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q4 2025, the fund manages $36.9B in reported equity holdings across 327 positions. The largest holdings are TSLA (14.5%), ACGL (4.7%), MSCI (4.3%), CSGP (3.6%), IDXX (3.3%). The portfolio is concentrated in Other (86.9%), Real Estate (3.6%), Financial Services (3.4%). Data sourced from SEC EDGAR 13F filings (CIK 1017918).