Siebert Financial Corp (SIEB) Institutional Ownership

Ownership Summary

Siebert Financial Corp (NASDAQ:SIEB) has 48 institutional investors with active 13F positions as of December 2025.

• They owned 8.0% of outstanding stock in December 2025, down from 8.7% the prior quarter.
• They decreased total shares held in SIEB by -7.53% quarter over quarter, and investors in Siebert Financial increased 100.0% from a year ago.
• Activity in SIEB broke down as 20 buyers, 14 sellers, and 14 unchanged among 48 total holders.
• In total, institutional investors held 3.24Mn shares in Siebert Financial as of December 2025, down by 263.86K shares quarter on quarter, and up 2.13Mn shares year over year.
• BlackRock, Inc. leads ownership in SIEB with 791.1K shares as of December 31, 2025, equal to 1.96% of outstanding shares.
• The biggest buyers of Siebert Financial for the quarter ending December 2025 included VANGUARD GROUP INC (28.61K), BlackRock, Inc. (21.35K), JANE STREET GROUP, LLC (16.37K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (15.33K), Wells Fargo & Company/Mn (5.2K).
• Leading sellers of Siebert Financial shares for the quarter ending December 2025 were UBS Group AG (135.83K), NAVELLIER & ASSOCIATES INC (79.59K), WINTON GROUP Ltd (39.72K), Goldman Sachs Group Inc (34.06K), Russell Investments Group, Ltd. (30.16K).
• Business Quant data shows the 10 biggest positions in Siebert Financial as of December 2025 are held by BlackRock, Inc. (791.1K), VANGUARD GROUP INC (752.59K), GEODE CAPITAL MANAGEMENT, LLC (418.46K), Cetera Investment Advisers (152.07K), State Street Corp (144.23K), Northern Trust Corp (128.41K), UBS Group AG (87.29K), STRS OHIO (84.2K), NAVELLIER & ASSOCIATES INC (68.33K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (64.06K).