Siebert Financial

SIEB · NASDAQ

$1.89+$0.00 (+0.00%)TodayMarket closed ·
Prev close $1.89

Who owns SIEB

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 68.9% of SIEB’s shares.

  • John J & Gloria E Gebbia TTEESS UAD 12/8/9423.9%
  • Kakao Corp.19.7%
  • Gebbia (Richard)8.9%
  • Gebbia (John M)5.9%
  • Next 6 largest institutions10.4%
  • All other shareholders31.1%
Top institutional holders of SIEB
HolderShares% of shares
John J & Gloria E Gebbia TTEESS UAD 12/8/949.80M23.95%
Kakao Corp.8.08M19.73%
Gebbia (Richard)3.65M8.93%
Gebbia (John M)2.41M5.89%
Gebbia (David)1.79M4.37%
Reich (Andrew H)617.57K1.51%
Zabatta (Charles)550.44K1.34%
Vanguard Capital Management, LLC549.72K1.34%
Cantor Fitzgerald, L.P515.91K1.26%
Geode Capital Management, L.L.C.253.89K0.62%

Largest mutual fund holders

Top mutual fund holders of SIEB
HolderShares% of shares
Vanguard Total Stock Market Index Fund322.27K0.79%
Vanguard Extended Market Index Fund227.44K0.56%
Fidelity Extended Market Index Fund114.98K0.28%
iShares Micro-Cap ETF50.69K0.12%
Fidelity Total Market Index Fund38.20K0.09%

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $27.90K (1 trade) of SIEB on the open market, with no sales.

Latest SIEB insider transactions
InsiderTypeSharesValue
Gebbia John JGift10.00K—
Gebbia Gloria EGift10.00K—
Gebbia John JGift22.50K—
Gebbia Gloria EGift22.50K—
Gebbia RichardBuy15.00K$27.90K

Short interest

Settled Sep 30, 2026

Shares short
186.48K
Days to cover
5.00
% of shares outstanding
0.46%
Average daily volume
37.32K
Change since last report
−19.0%

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