ALT5 Sigma Corp (ALTS) Institutional Ownership

Ownership Summary

Recent 13F filings as of December 2025 show that 2 institutional investors hold a position in ALT5 Sigma Corp (NASDAQ:ALTS).

• The collective stake of institutional investors in ALT5 Sigma moved to 1.1% in December 2025, a shift down from the 468.2% reported for September 2025.
• The company experienced a nan% quarterly change in institutional shares held, alongside a decrease of 94.44% in total owners annually.
• Among the 2 institutional holders of ALT5 Sigma, 2 added to their stakes while 0 trimmed their positions and 0 held steady.
• Collectively, institutional investors increased their stake in ALT5 Sigma to 200.00K shares as of December 2025, a change that is up by 200.00K shares quarter on quarter and down 1.62Mn shares year over year.
• SG Americas Securities, LLC's holding of 100.00K shares as of December 31, 2025 makes it the primary institutional investor in ALT5 Sigma, owning 0.54% of the stock.
• Among the most significant buyers of ALT5 Sigma during December 2025 were SG Americas Securities, LLC (100.00K), SG Americas Securities, LLC (100.00K).
• The top 2 institutional holders of ALT5 Sigma for the quarter ending December 2025 included SG Americas Securities, LLC (100.00K), SG Americas Securities, LLC (100.00K).