BlackRock Takes 6.7% Stake in Sidus Space, Signaling Confidence in Defense

BlackRock disclosed a 6.7% passive stake in Sidus Space (SIDU), a space and defense technology firm.

The asset manager reported the position in a Schedule 13G filing with the U.S. Securities and Exchange Commission.

BlackRock held 6,479,638 shares of Class A common stock as of June 30, 2026.

The 13G filing denotes a passive investment, indicating BlackRock does not intend to influence company control.

This move represents a significant position increase and provides a major institutional endorsement for the smaller firm.