Jeffrey Ubben · quarter digest
What Jeffrey Ubben did in Q4 2025
ValueAct Capital filed 2 moves in Q4 2025: 1 new, 1 add, 0 trim, 0 exit.
13F filed 2026-02-14. Manager quality score: q8. Philosophy: Constructive activism. Partner with management, not fight them.
New positions · 1
Fresh money
NEW·4.2% book·−4
“New solar position.”
Adds · 1
Adding to conviction
ADD +10%·8.1% book·−2
“Activist continuing to build META exposure.”
Current top holdings
Jeffrey Ubben’s book, latest snapshot
Other quarters for Jeffrey Ubben
Not investment advice. Data from 13F filings with HoldLens parsing. Methodology.
Deep dive
Reading for your research
Optional background reading on interpreting company disclosures and investing methods. These books do not validate a signal or predict returns.
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Benjamin Graham
The Intelligent Investor
The foundational text. Buffett calls it 'by far the best book about investing ever written.'
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Benjamin Graham & David Dodd
Security Analysis
The deep dive behind The Intelligent Investor — how to actually read a filing and value a business.
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