Diameter Capital Partners LP is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q1 2026, the fund manages $1.1B in reported equity holdings across 28 positions. The largest holdings are SPY (30.4%), SATS (16.3%), ECNS.SN (9.3%), UNIT (5.0%), NBIS (3.6%). The portfolio is concentrated in Other (90.1%), Consumer Cyclical (4.6%), Healthcare (2.1%). Data sourced from SEC EDGAR 13F filings (CIK 1727012).