Mason Hawkins runs Southeastern Asset Management, Inc.. Classic Graham-Dodd discipline. Long holding periods, deep research, concentrated bets. As of the Q2 2026 13F filing, the disclosed long-equity portfolio is valued at $1.9B across 46 positions. The largest holdings are RAYONIER INC, MATTEL INC, and CNX RES CORP (RAYONIER INC alone is 10.5% of the book).

New positions opened in the latest quarter include ABBOTT LABORATORIES, LIBERTY CAP CORP, and TENCENT MUSIC ENTMT GROUP. Recently exited names: BIO RAD LABS INC, CLARIVATE PLC, and CONSTELLATION BRANDS INC.

Mason Hawkins runs Southeastern Asset Management, Inc.. Classic Graham-Dodd discipline. Long holding periods, deep research, concentrated bets. As of the Q2 2026 13F filing, the disclosed long-equity portfolio is valued at $1.9B across 46 positions. The largest holdings are RAYONIER INC, MATTEL INC, and CNX RES CORP (RAYONIER INC alone is 10.5% of the book).

New positions opened in the latest quarter include ABBOTT LABORATORIES, LIBERTY CAP CORP, and TENCENT MUSIC ENTMT GROUP. Recently exited names: BIO RAD LABS INC, CLARIVATE PLC, and CONSTELLATION BRANDS INC.