Diameter Capital Partners LP is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q4 2025, the fund manages $1.1B in reported equity holdings across 39 positions. The largest holdings are SATS (37.4%), MBC (6.1%), HCA (5.1%), CZR (5.0%), TDSPRU (4.0%). The portfolio is concentrated in Other (81.1%), Consumer Cyclical (8.8%), Healthcare (5.1%). Data sourced from SEC EDGAR 13F filings (CIK 1727012).