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Who owns Siebert Financial (SIEB) stock

42 funds reported Siebert Financial (SIEB) shares in their latest 13F filings, worth $5.7M in all. The largest holder is Vanguard Group ($2.6M). Last quarter 20 funds added to their stakes and 36 cut them.

Largest holders of SIEB (13F)Largest holders of SIEB (13F)Vanguard Group$2.6MVanguard Capital Management LLC$907KGeode Capital Management, LLC$419KCetera Investment Advisers$243KMillennium Management LLC$200KVanguard Fiduciary Trust$178KBlackRock$168KGoldman Sachs Group$93KJane Street Group, LLC$92KState Street$84K

Largest holders (13F)

FundSharesValueChangeQuarter
Vanguard Group752,586$2.6Mincrease2025-12-31
Vanguard Capital Management LLC549,720$907Kdecrease2026-06-30
Geode Capital Management, LLC253,888$419Kdecrease2026-06-30
Cetera Investment Advisers146,990$243Kincrease2026-06-30
Millennium Management LLC121,232$200Knew2026-06-30
Vanguard Fiduciary Trust107,626$178Kdecrease2026-06-30
BlackRock101,946$168Kdecrease2026-06-30
Goldman Sachs Group56,158$93Kincrease2026-06-30
Jane Street Group, LLC55,771$92Knew2026-06-30
State Street50,650$84Kdecrease2026-06-30
Citadel Advisors LLC48,906$81Kincrease2026-06-30
Susquehanna International Group, LLP48,308$80Kincrease2026-06-30
Northern Trust42,312$70Kdecrease2026-06-30
Bridgeway Capital Management, LLC35,307$58Kdecrease2026-06-30
Dimensional Fund Advisors LP26,299$44Kdecrease2026-06-30

Siebert Financial's latest quarter

Siebert Financial, Q2 2026: revenue $31.2M (+110% year over year), operating margin -1.5%, net loss $326K, operating cash flow −$2.6M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most SIEB stock?

By the latest 13F filings: Vanguard Group ($2.6M); Vanguard Capital Management LLC ($907K); Geode Capital Management, LLC ($419K); Cetera Investment Advisers ($243K); Millennium Management LLC ($200K).

What is the short interest in SIEB?

157,451 shares were sold short at the 2026-10-15 settlement, -15.57% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.