Siebert Financial CORP (SIEB) 13F Holdings Overview (Q2 2026)

SIEB ranks #6219 out of 37501 tracked stocks by institutional interest, inside the more closely watched half of our coverage.

SIEB is a disclosed holding of Israel Englander (Millennium Management), one of the tracked superinvestors on AlphaSMO — it makes up 0.0% of that fund's own 13F portfolio.

49 institutions disclose a position in SIEB, but none treat it as a major bet — even Williams & Novak, LLC, its most concentrated holder, allocates just 0.0% of its own portfolio to it.

Susquehanna International Group, LLP has added to its SIEB position for two straight quarters, increasing it by $25.9K to reach $79.7K today.

BlackRock has trimmed its SIEB position for two straight quarters, cutting it by $2.6M while still holding $168.2K.

SIEB reported a net loss of $1.1M over the trailing twelve months.

• Not yet profitable — net loss of $1.1M over the trailing twelve months
• Revenue grew 21.6% year over year
• Net income declined year over year, from $9.5M to -$1.1M
• Generated $10.2M in positive operating cash flow
• Current ratio of 1.10x — below the conventional 1.5x liquidity buffer
• Liabilities run 7.51x equity — a highly leveraged balance sheet worth noting