Morgan Stanley analysts estimate that European sustainability-focused funds could inject $38 billion to $71 billion into global aerospace and defense stocks. This projection assumes these funds, which previously avoided weapons makers, will now align their holdings with standard benchmark weightings like the MSCI indexes.

This potential flood of capital follows a deliberate policy reversal by major asset managers. Firms including Allianz Global Investors and Deutsche Bank's DWS have dropped exclusions on defense contractors, framing the shift as a necessary response to geopolitical threats that demand the defense of democratic values.

The bank's analysis splits the estimated flows into two scenarios based on fund exposure levels. It specifically examines funds registered under the EU's Article 8 (promoting ESG) and Article 9 (ESG as objective) frameworks. The reallocation arrives amid heightened Middle East conflict, which has already roiled markets and driven oil prices higher.