Millennium Management’s Siebert Financial SIEB Stock Holding History

Millennium Management's SIEB Position: Q2 2026 in Review

Millennium Management opened a new position in Siebert Financial (SIEB) in Q2 2026: 121,232 shares worth $200K. The stake represents ﹤0.01% of the portfolio and ranks #5322 among its holdings. This is a return to the name: Millennium Management previously reported a position in SIEB as recently as Q1 2025.

Millennium Management first reported a position in SIEB in Q1 2018 and has held it in 13 quarters since. The position peaked at $465K in Q1 2021. 48 funds tracked by Wall St. Rank hold SIEB as of Q2 2026.

• Millennium Management held 121,232 shares of Siebert Financial worth $200K as of Q2 2026.
• Siebert Financial was a new Millennium Management position in Q2 2026.
• Siebert Financial made up ﹤0.01% of Millennium Management's portfolio in Q2 2026, its #5322 holding.
• Millennium Management first reported a position in Siebert Financial in Q1 2018 and has held it in 13 quarters since.
• Millennium Management's Siebert Financial position peaked at $465K in Q1 2021.
• 48 funds tracked by Wall St. Rank held Siebert Financial as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.