Tumblehill
Holdings
Signal Research SeriesIssue 03
SIG
NAL
NAL
Observations on Systems, Risk & Structure
Issue 03Tumblehill Holdings LtdAugust 2025
Issue 03
August 2025·12 min readPortfolio-Level
Programme
Coherence
Programme execution and portfolio execution are different disciplines. Most institutions assume they are the same.
In This Issue
01
Why Execution Discipline Built at Programme Level Does Not Scale Automatically
02
Cross-Programme Dependency Management
03
Sequencing Logic Across a Portfolio
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