Mason Morfit MM

Mason Morfit

ValueAct Capital
Constructive activist — governance-focused

Runs one of the most respected 'quiet' activist funds — takes board seats and works collaboratively with management rather than via public proxy fights.

$5.63B
Portfolio Value
18
Positions
2026-06-30 ↗
SEC 13F Filing
15
Changes This Q
Portfolio Map
Sized by portfolio weight · colored by quarter-over-quarter change · click ticker to view analysis
New position Increased Reduced Sold / Closed Unchanged CALLBullish options bet PUTBearish options bet
Sector Allocation
% of portfolio value by sector · current filing only
Financial Services 29.83% Other / Unclassified 28.55% Communication Services 18.49% Consumer Cyclical 12.44% Technology 8.33% Real Estate 2.37%
Full Portfolio · 2026-06-30
18 positions — click any ticker to open its analysis page
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# Ticker Company Type Value Price Since Filed % Portfolio Δ % Shares Status
Conviction Moves
Largest portfolio-weight changes this quarter · bar length = change in % of portfolio
New / Increased Reduced Closed
Quarter-over-Quarter Changes
2026-03-31 → 2026-06-30 · 15 positions moved
Sort by
Action Ticker Company Shares Δ Value Wt. Δ Portfolio %