Siebert Financial Corp
SIEB- Exchange
- Nasdaq
- Industry
- Security Brokers, Dealers & Flotation Companies
- SEC CIK
- 0000065596
In the last 90 days, Siebert Financial Corp insiders filed 1 open-market purchase and 0 sales; 47 institutions reported holding it in 13F filings for Q2 2026, worth $4.78M in total; no superinvestor holds it.
Key figures
- Insider buysLast 90 days, $27.9K in total
- 1
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −7 vs. previous quarter
- 47
- 13F valueReported value at the end of Q2 2026
- $4.78M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding SIEB, Q2 2026
No superinvestor reported holding SIEB at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Siebert Financial Corp insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 28, 2026 (view filing)3:00 PM ET | May 28 | 92 daysLate | Gebbia RichardOther: Member of 10% owner group | PPurchaseCommon Stock, $0.01 par value per share | +15.0K | $1.86 | +$27.9K | +2.7%576.3K after | |
| Apr 12, 2023 (view filing) | Apr 10 | 2 days | Gebbia John M.Other: Member of 10% owner group | SSaleCommon Stock, $0.01 par value per share | −100.0K | $1.85 | −$185.0K | −5.0%1.91M after | |
| Apr 12, 2023 (view filing) | Apr 10 | 2 days | Gebbia John M.Other: Member of 10% owner group | SSaleCommon Stock, $0.01 par value per share | −100.0K | $1.85 | −$185.0K | −0.6%17.4M after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Siebert Financial Corp at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cantor Fitzgerald, L. P. | 1,031,822 | $1.70M | 0.02% | +1,031,822 | New |
| Vanguard Capital Management LLC | 549,720 | $907.0K | 0.00% | −899−0.2% | Reduced |
| Geode Capital Management, LLC | 253,888 | $419.2K | 0.00% | −181,651−41.7% | Reduced |
| Cetera Investment Advisers | 146,990 | $242.5K | 0.00% | +531+0.4% | Added |
| Millennium Management LLC | 121,232 | $200.0K | 0.00% | +121,232 | New |
| Vanguard Fiduciary Trust Co | 107,626 | $177.6K | 0.00% | −5,269−4.7% | Reduced |
| BlackRock, Inc. | 101,946 | $168.2K | 0.00% | −677,640−86.9% | Reduced |
| Goldman Sachs Group Inc | 56,158 | $92.7K | 0.00% | +20,090+55.7% | Added |
| Jane Street Group, LLC | 55,771 | $92.0K | 0.00% | +55,771 | New |
| State Street Corp | 50,650 | $83.6K | 0.00% | −93,584−64.9% | Reduced |