Latticework

What Mason Hawkins bought and sold in Q3 2025

In Q3 2025, Mason Hawkins (Southeastern Asset Management) opened 5 new positions — including RYN (6.1%), AVTR (3.3%), GLIBK (1.6%), added to 7, trimmed 7, exited 5 (DINO, ANGI, OSCR). The book stood at $1.96B across 49 positions, filed Nov 14, 2025.

5New7Added7Trimmed5Exited
Share𝕏in

New positions (5)

Added to (7)

Trimmed (7)

Exited (5)

Mason Hawkins's other filings

Changes vs the prior quarter's 13F, long US equity positions only (no shorts, options, or non-US listings). ADD/TRIM are share- count changes of ±20% or more. Sourced from SEC EDGAR. Not investment advice.