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$SIEB
$1.83 +$0.03 (1.67%) Close

Ownership

13F as of Q2 2026 · 41.1M shares outstanding

Who owns SIEB?

By type of holder
Institutions 5.7% Insiders 0.0% Everyone else 94.3%
Concentration Top 10 holders own 169.2%
Gloria E. Gebbia 41.5% · David Gebbia 41.3%
Institutional ownership
5.7%
-2.1 pts vs last qtr
Institutional holders
46
-9 vs last qtr
Net shares bought
−864.4K
by institutions in Q2 2026
New / sold out
11 / 20
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • Cantor Fitzgerald, L. P. NEW +515.9K
  • Millennium Management LLC NEW +121.2K

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Biggest sellers in Q2 2026
  • BlackRock, Inc. −677.6K
  • Geode Capital Management, LLC −181.7K

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Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Siebert Financial Corp in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2012–FY2025
+3186.3%
+101.07% a year
Each share's claim on the business
−97.0%
shrank without buying or selling a share
Spent on buybacks vs paid in stock
$13K vs $2.46M
over 6 fiscal years
Diluted shares, split-adjusted
1.2M21.0M40.8M2012: 1.2M shares'122021: 31.3M shares'212022: 32.4M shares'222023: 37.1M shares'232024: 40.0M shares'242025: 40.4M shares'25
Buybacks Stock-based comp
$0$769.5K$1.5M2012 buybacks: $13.0K2012 stock comp: $0'122021 buybacks: $02021 stock comp: $0'212022 buybacks: $02022 stock comp: $461.0K'222023 buybacks: $02023 stock comp: $0'232024 buybacks: $02024 stock comp: $460.0K'242025 buybacks: $02025 stock comp: $1.5M'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years49% 3–5 years0% 1–3 years14% Under 1 year37%
Quarterly turnover
39.8%
of institutional shares changed hands
Top 10 managers, median time held
5 years

Super Investors

Investment managers reporting SIEB on Form 13F
B
BlackRock, Inc.
Shares
101.9K
% of company
0.25%
Change vs last qtr
−677.6K (−86.9%)
Held since
≤2021
VC
Vanguard Capital Management LLC
Shares
549.7K
% of company
1.34%
Change vs last qtr
−899 (−0.2%)
Held since
≤2021

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Institutional Funds

Mutual funds and ETFs reporting SIEB on Form N-PORT; together they hold 4.3% of the company
IR
iShares Russell 2000 ETF
iShares Trust
Position value
$581K
% of company
0.74%
% of the fund
0.00%
As of
March 31, 2026
VT
Vanguard Total Stock Market Index Fund
Vanguard Index Funds
Position value
$532K
% of company
0.78%
% of the fund
0.00%
As of
June 30, 2026

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Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
GE
Gloria E. Gebbia
5%+ holder13D · 42.0%
Shares
17.1M
% of company
41.51%
Change vs last qtr
—
Held since
—
DG
David Gebbia
5%+ holder13D · 42.0%
Shares
17.0M
% of company
41.26%
Change vs last qtr
—
Held since
—

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