Sidus Space SIDU Institutional Ownership

Ownership Summary

Sidus Space Inc. (NASDAQ:SIDU) showed up in the 13F filings of 58 institutional investors as of March 2026.

• Collectively, these holders controlled 13.2% of Sidus Space's outstanding shares in March 2026, down from 26.6% in December 2025.
• Their total shares held in SIDU increased 256.27% from the prior quarter, while the number of investors in Sidus Space increased 163.64% year over year.
• Of these 58 funds, 46 grew their exposure to Sidus Space, 9 cut back, and 3 maintained positions.
• Altogether, these fund groups held 8.8Mn shares in SIDU by March 2026, up by 6.33Mn shares quarter on quarter, and up 8.27Mn shares year over year.
• As of March 31, 2026, the biggest holder of Sidus Space is VANGUARD CAPITAL MANAGEMENT LLC at 3.36Mn shares, representing 5.05% of shares outstanding.
• Leading buyers of Sidus Space shares for the quarter ending March 2026 were VANGUARD CAPITAL MANAGEMENT LLC (3.36Mn), BlackRock, Inc. (646.94K), MILLENNIUM MANAGEMENT LLC (445.23K), GEODE CAPITAL MANAGEMENT, LLC (417.34K), VANGUARD FIDUCIARY TRUST CO (379.93K).
• The biggest sellers of Sidus Space for the quarter ending March 2026 included JANE STREET GROUP, LLC (714.4K), TWO SIGMA SECURITIES, LLC (117.56K), Virtu Financial LLC (42.22K), SG Americas Securities, LLC (27.26K), UBS Group AG (26.63K).
• Per Business Quant, the top 10 investors in SIDU for the quarter ending March 2026 include VANGUARD CAPITAL MANAGEMENT LLC (3.36Mn), GEODE CAPITAL MANAGEMENT, LLC (755.31K), BlackRock, Inc. (649.27K), UBS Group AG (472.37K), MILLENNIUM MANAGEMENT LLC (445.23K), VANGUARD FIDUCIARY TRUST CO (379.93K), Penserra Capital Management LLC (363.18K), State Street Corp (307.22K), FOUNDATIONS INVESTMENT ADVISORS, LLC (269.75K), SLT Holdings LLC (269.75K).