Siebert Financial Corp (SIEB) shareholders
SIEBNasdaqSecurity Brokers, Dealers & Flotation CompaniesFiscal year ends December 31
$1.70−0.11 (-6.08%)
Close on Nov 13, 2026Market cap $69.87MP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
7.0%
3M of 41M shares
Institutional holders
48
12 new, 18 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
1 buys · 0 sales
Net bought $27.90K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Gloria E. Gebbia Joint filing with John M. Gebbia (42.00%), Richard Gebbia (42.00%) and 3 more | 17,060,603 | 42.00% | 13D (active) amendment | Aug 26, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of SIEB | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Cantor Fitzgerald, L. P. | 1,031,822 | 2.51% | $1.70M | New | 0.01% |
| Vanguard Capital Management LLC | 549,720 | 1.34% | $907.04K | −899 | 0.00% |
| Geode Capital Management, LLC | 253,888 | 0.62% | $419.17K | −181,651 | 0.00% |
| Cetera Investment Advisers | 146,990 | 0.36% | $242.53K | +531 | 0.00% |
| Millennium Management LLC | 121,232 | 0.29% | $200.03K | New | 0.00% |
| Vanguard Fiduciary Trust Co | 107,626 | 0.26% | $177.58K | −5,269 | 0.00% |
| BlackRock, Inc. | 101,946 | 0.25% | $168.21K | −677,640 | 0.00% |
| Goldman Sachs Group Inc | 56,158 | 0.14% | $92.66K | +20,090 | 0.00% |
| Jane Street Group, LLC | 55,771 | 0.14% | $92.02K | New | 0.00% |
| State Street Corp | 50,650 | 0.12% | $83.57K | −93,584 | 0.00% |
| Citadel Advisors LLC | 48,906 | 0.12% | $80.70K | +21,561 | 0.00% |
| Susquehanna International Group, Llp | 48,308 | 0.12% | $79.71K | +19,643 | 0.00% |
| Northern Trust Corp | 42,312 | 0.10% | $69.82K | −96,313 | 0.00% |
| Bridgeway Capital Management, LLC | 35,307 | 0.09% | $58.26K | −21,953 | 0.00% |
| Dimensional Fund Advisors LP | 26,299 | 0.06% | $43.55K | −8,542 | 0.00% |
| Aqr Capital Management LLC | 25,273 | 0.06% | $41.70K | New | 0.00% |
| UBS Group AG | 22,296 | 0.05% | $36.79K | −138,297 | 0.00% |
| Morgan Stanley | 22,084 | 0.05% | $36.44K | +13,852 | 0.00% |
| Williams & Novak, LLC | 21,900 | 0.05% | $36.14K | +6,100 | 0.02% |
| Qube Research & Technologies Ltd | 21,315 | 0.05% | $35.17K | New | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 48 | 3M | 7.0% | 12 / 12 | 22 / 18 | 1M | 2M |
| Q1 2026 | 55 | 3M | 7.8% | 14 / 12 | 20 / 6 | 1M | 0M |
| Q4 2025 | 48 | 3M | 7.9% | 3 / 17 | 14 / 3 | 0M | 0M |
| Q3 2025 | 48 | 4M | 8.6% | 8 / 20 | 10 / 4 | 1M | 0M |
| Q2 2025 | 44 | 3M | 7.8% | 27 / 12 | 3 / 6 | 2M | 0M |
| Q1 2025 | 23 | 1M | 2.6% | 1 / 8 | 8 / 0 | 0M | 0M |
| Q4 2024 | 22 | 1M | 2.6% | 5 / 11 | 3 / 1 | 0M | 0M |
| Q3 2024 | 18 | 1M | 2.2% | 4 / 5 | 5 / 2 | 0M | 0M |
| Q2 2024 | 18 | 1M | 2.0% | 2 / 8 | 4 / 2 | 0M | 0M |
| Q1 2024 | 18 | 1M | 1.6% | 3 / 3 | 6 / 1 | 0M | 0M |
| Q4 2023 | 16 | 1M | 1.5% | 1 / 6 | 5 / 2 | 0M | 0M |
| Q3 2023 | 17 | 1M | 1.5% | 3 / 5 | 4 / 3 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
79 funds held SIEB in Q1 2026, 63% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of SIEB | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 322,275 | 0.78% | $531.75K | 0.00% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 227,445 | 0.55% | $375.28K | 0.00% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 121,426 | 0.30% | $225.85K | 0.00% | May 31, 2026 |
| Vanguard Russell 2000 Index Fund | 71,987 | 0.18% | $133.90K | 0.00% | May 31, 2026 |
| iShares Micro-Cap ETF | 50,031 | 0.12% | $82.55K | 0.01% | Jun 30, 2026 |
| Fidelity Total Market Index Fund | 38,204 | 0.09% | $71.06K | 0.00% | May 31, 2026 |
| Ultra-Small Company Fund | 35,307 | 0.09% | $58.26K | 0.06% | Jun 30, 2026 |
| Fidelity Series Total Market Index Fund | 32,347 | 0.08% | $60.17K | 0.00% | May 31, 2026 |
| Fidelity Nasdaq Composite Index Fund | 18,579 | 0.05% | $34.56K | 0.00% | May 31, 2026 |
| U.S. Micro Cap Portfolio | 11,146 | 0.03% | $18.17K | 0.00% | Jul 31, 2026 |
| Avantis U.S. Small Cap Value ETF | 10,547 | 0.03% | $19.62K | 0.00% | May 31, 2026 |
| Vanguard Russell 2000 Value Index Fund | 9,678 | 0.02% | $18.00K | 0.00% | May 31, 2026 |
| Bridge Builder Small/Mid Cap Value Fund | 6,476 | 0.02% | $10.69K | 0.00% | Jun 30, 2026 |
| Small Cap Index Fund | 5,751 | 0.01% | $10.70K | 0.00% | May 31, 2026 |
| Siit Extended Market Index Fund | 3,600 | 0.01% | $6.70K | 0.00% | May 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| John J. Gebbia | CEO, Director, 10% owner | 26,914,957 | 65.49% | Sep 30, 2026 |
| Andrew H. Reich | EVP, COO CFO and Secretary, Director | 617,574 | 1.50% | Nov 24, 2025 |
| John M. Gebbia | Director | 19,566,534 | 47.61% | Sep 30, 2026 |
| Lewis Solimene | Director | 0 | – | Nov 28, 2025 |
| Charles Zabatta | Director | 550,439 | 1.34% | Jul 30, 2025 |
| David Gebbia | – | 18,926,621 | 46.05% | Sep 30, 2026 |
| Richard Gebbia | – | 20,791,703 | 50.59% | Sep 30, 2026 |
| Gloria E. Gebbia | 10% owner | 26,914,957 | 65.49% | Sep 30, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| David Gebbia – | Sep 28, 2026 | Gift | +17,340 | – | – | 391,340 |
| John M. Gebbia Director | Sep 28, 2026 | Gift | +34,680 | – | – | 524,680 |
| Richard Gebbia – | Sep 28, 2026 | Gift | +17,340 | – | – | 593,613 |
| John J. Gebbia CEO, Director, 10% owner | Sep 2, 2026 | Gift | −10,000 | – | – | 9,794,994 |
| Gloria E. Gebbia Director, 10% owner | Sep 2, 2026 | Gift | −10,000 | – | – | 9,794,994 |
| John J. Gebbia CEO, Director, 10% owner | Aug 26, 2026 | Gift | −22,500 | – | – | 9,804,994 |
| Gloria E. Gebbia Director, 10% owner | Aug 26, 2026 | Gift | −22,500 | – | – | 9,804,994 |
| Richard Gebbia – | May 28, 2026 | Buy | +15,000 | $1.86 | $27.90K | 576,273 |
| Gloria E. Gebbia Director, 10% owner | Mar 9, 2026 | Gift | −6,000 | – | – | 9,827,494 |
| John J. Gebbia CEO, Director, 10% owner | Mar 9, 2026 | Gift | −6,000 | – | – | 9,827,494 |
| Richard Gebbia – | Jan 20, 2026 | Other | −13,000 | – | – | 561,273 |
| Richard Gebbia – | Jan 20, 2026 | Gift | +13,000 | – | – | 574,273 |
| David Gebbia – | Jan 20, 2026 | Gift | +13,000 | – | – | 387,000 |
| David Gebbia – | Jan 20, 2026 | Other | −13,000 | – | – | 374,000 |
| Gloria E. Gebbia Director, 10% owner | Jan 20, 2026 | Gift | −140,000 | – | – | 9,833,494 |
| John J. Gebbia CEO, Director, 10% owner | Jan 20, 2026 | Gift | −140,000 | – | – | 9,833,494 |
| John M. Gebbia – | Jan 20, 2026 | Gift | +26,000 | – | – | 516,000 |
| John M. Gebbia – | Jan 20, 2026 | Gift | −3,000 | – | – | 1,921,891 |
| John M. Gebbia – | Jan 20, 2026 | Other | −26,000 | – | – | 490,000 |
| John M. Gebbia – | Nov 20, 2025 | Other | −26,000 | – | – | 490,000 |
| John M. Gebbia – | Nov 20, 2025 | Gift | +26,000 | – | – | 516,000 |
| David Gebbia – | Nov 20, 2025 | Gift | +13,000 | – | – | 387,000 |
| David Gebbia – | Nov 20, 2025 | Other | −13,000 | – | – | 374,000 |
| John J. Gebbia CEO, Director, 10% owner | Nov 20, 2025 | Gift | −128,000 | – | – | 9,569,714 |
| Andrew H. Reich EVP, COO CFO and Secretary, Director | Nov 20, 2025 | Gift | −20,000 | – | – | 589,574 |
| Gloria E. Gebbia Director, 10% owner | Nov 20, 2025 | Gift | −128,000 | – | – | 9,569,714 |
| Richard Gebbia – | Nov 20, 2025 | Other | −13,000 | – | – | 561,273 |
| Richard Gebbia – | Nov 20, 2025 | Gift | +13,000 | – | – | 574,273 |
| Charles Zabatta Director | Jul 28, 2025 | Gift | +180,000 | – | – | 530,439 |
| Charles Zabatta Director | Jul 28, 2025 | Gift | −180,000 | – | – | 20,000 |
| John M. Gebbia – | Jun 11, 2025 | Other | −100,000 | – | – | 1,924,891 |
| John M. Gebbia – | Jun 11, 2025 | Other | +300,000 | – | – | 490,000 |
| David Gebbia – | Jun 11, 2025 | Other | +300,000 | – | – | 374,000 |
| David Gebbia – | Jun 11, 2025 | Other | −100,000 | – | – | 1,415,318 |
| Richard Gebbia – | Jun 11, 2025 | Other | +300,000 | – | – | 561,273 |
| Richard Gebbia – | Jun 11, 2025 | Other | −100,000 | – | – | 3,078,127 |
| Gloria E. Gebbia Director, 10% owner | Jun 10, 2025 | Other | +9,697,714 | – | – | 9,697,714 |
| Gloria E. Gebbia Director, 10% owner | Jun 10, 2025 | Other | −9,697,714 | – | – | 0 |
| John J. Gebbia CEO, Director, 10% owner | Jun 10, 2025 | Other | +9,697,714 | – | – | 9,697,714 |
| Richard Gebbia – | May 27, 2025 | Gift | −2,589,592 | – | – | 261,273 |
| Richard Gebbia – | May 27, 2025 | Gift | +2,589,592 | – | – | 3,178,127 |
| Gloria E. Gebbia Director, 10% owner | May 21, 2025 | Gift | −18,000 | – | – | 9,697,714 |
| Charles Zabatta Director | May 21, 2025 | Gift | −100,000 | – | – | 350,439 |
| Charles Zabatta Director | May 21, 2025 | Gift | +100,000 | – | – | 200,000 |
| Andrew H. Reich EVP, COO CFO and Secretary, Director | May 1, 2025 | Gift | −60,664 | – | – | 609,574 |
| Andrew H. Reich EVP, COO CFO and Secretary, Director | Apr 17, 2025 | Gift | −50,000 | – | – | 670,238 |
| Gloria E. Gebbia Director, 10% owner | Mar 3, 2025 | Gift | −361,000 | – | – | 9,715,714 |
| Richard Gebbia – | Mar 3, 2025 | Gift | +125,000 | – | – | 588,535 |
| John M. Gebbia – | Mar 3, 2025 | Gift | +118,000 | – | – | 2,024,891 |
| David Gebbia – | Mar 3, 2025 | Gift | +118,000 | – | – | 1,515,318 |
| Charles Zabatta Director | Jan 7, 2025 | Gift | −20,000 | – | – | 450,439 |
| John M. Gebbia – | Dec 9, 2024 | Gift | −1,000 | – | – | 1,906,891 |
| Charles Zabatta Director | Nov 12, 2024 | Gift | −10,000 | – | – | 470,439 |
| Charles Zabatta Director | Nov 11, 2024 | Gift | −10,000 | – | – | 480,439 |
| Andrew H. Reich EVP, COO CFO and Secretary, Director | Jun 3, 2024 | Gift | −10,000 | – | – | 720,238 |
| Gloria E. Gebbia Director, 10% owner | Jan 19, 2024 | Gift | −108,000 | – | – | 10,076,714 |
| Richard Gebbia – | Jan 19, 2024 | Gift | +18,000 | – | – | 261,273 |
| John M. Gebbia – | Jan 19, 2024 | Gift | +36,000 | – | – | 190,000 |
| David Gebbia – | Jan 19, 2024 | Gift | +18,000 | – | – | 74,000 |
| Charles Zabatta Director | Dec 19, 2023 | Gift | −10,000 | – | – | 490,439 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of shares outstanding
0.37%
0M shares short
Days to cover
12.5
At 0M shares a day
Change since last report
-2.7%
From 0M shares
Short volume, 20 days
45.7%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Siebert Financial's stock actually held short. Settlement fails (shares not delivered on time) peaked at 1,212 shares on Sep 23, 2026 over the last 90 days.
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